The U.S. aircraft register, updated daily
Parts

Backshell

0 failure reports named the backshell in the last ten years, 1 since 1997. 158 FAA approvals let 11 companies make a replacement backshell, Glenair INC holding the most (132).

Reports by year

0001111997
Reports by year, as a table
reports
19971

Approved replacement parts 158 parts manufacturer approvals

A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a backshell and sell it as an approved part for the models named. These are the companies holding such approvals for a backshell:

For these models most: Boeing 777 (123), Boeing 737 (16), Boeing 747 (11), Boeing 767 (9), Cessna 441 Conquest II (7), Boeing 757 (6), Gulfstream GVI G650 (1), Airbus Helicopters AS355 TwinStar (1).

MakerPartReplacesFitsGrantedStatus
Garmin International INCBackshell w/Hardware, Short, 15/26 Pin 011-06076-00Modification PartTextron Aviation Inc. Refer to STC SA01535WI-D2023-09-25current
Thales Avionics INCBACKSHELL 311075-102311075-102Boeing 737-82021-06-28current
Aerospares McoBackshell Assembly ASP4703-2BACC10HD14A BACC10KA14 149933P&W PW4052, 4056, 40602020-07-23current
Rockwell Collins INCBackshell Assy 1309142-0011309142-001Boeing B767-3002016-06-01current
Rockwell Collins, INCBackshell, Assembly EMI Connector Size 2 2500-5200-0012500-5200-001Gulfstream GVI2013-10-17current
Cinch Connectivity SolutionsBackshell Kit CN1156-KB2CN1156-KB2Boeing 767-200 Series 767-300 Series 767-300F Series2007-07-17current
Cinch Connectivity SolutionsBackshell Kit CN1156-KB1CN1156-KB1Boeing 767-200 Series 767-300 Series 767-300F Series2007-07-17current
Aerospares INCBackshell Assembly ASP4703-2BACC10HD14A, BACC10KA14, 149933Pratt & Whitney PW4052, PW4056, PW4056(-3)2004-03-04current
S-Tec CorporationBackshell 61259Modification PartCessna 441 with STC SA09619AC installed2003-03-18current
S-Tec CorporationBackshell 61259Modification PartCessna 441 with STC SA09620AC installed2003-03-18current
S-Tec CorporationBackshell 61258Modification PartCessna 441 with STC SA09619AC installed2003-03-18current
S-Tec CorporationBackshell 61257Modification PartCessna 441 with STC SA09619AC installed2003-03-18current
S-Tec CorporationBackshell 55230Modification PartCessna 441 with STC SA09619AC installed2003-03-18current
S-Tec CorporationBackshell 61258Modification PartCessna 441 with STC SA09620AC installed2003-03-18current
S-Tec CorporationBackshell 61179-23Modification PartCessna 441 with STC SA09619AC installed2003-03-18current
Glenair INCBackshell, Electrical, General Purpose 447AJ 631 NF28 26 DS280W603-320Boeing 777-200 Series, 777-300 Series2002-05-28current
Glenair INCBackshell, Electrical, General Purpose 447AJ 631 NF24 22 DS280W603-317Boeing 777-200 Series, 777-300 Series2002-05-28current
Glenair INCBackshell, Electrical, General Purpose 447AJ 631 NF24 16 DS280W603-318Boeing 777-200 Series, 777-300 Series2002-05-28current
Glenair INCBackshell, Electrical, General Purpose 447 AJ 631 NF08 07 DS280W603-300Boeing 777-200 Series, 777-300 Series2002-05-28current
Glenair INCBackshell, Electrical, General Purpose 447AJ 631 NF28 38 DS280W603-319Boeing 777-200 Series, 777-300 Series2002-05-28current
Glenair INCBackshell, Electrical, General Purpose 447AJ 631 NF28 20 DS280W603-321Boeing 777-200 Series, 777-300 Series2002-05-28current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 28 38 DS280W603-119Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 12 14 DS280W603-202Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AJ631 NF 20 26 DS280W603-310Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 14 16 DS280W603-104Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AJ631 NF 22 28 DS280W603-313Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 28 26 DS280W603-220Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 24 16 DS280W603-218Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AJ631 NF 14 10 DS280W603-305Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 12 10 DS280W603-203Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 22 20 DS280W603-114Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 16 20 DS280W603-206Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AJ631 NF 16 16 DS280W603-307Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 28 26 DS280W603-120Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 14 10 DS280W603-105Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 08 07 DS280W603-200Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 22 28 DS280W603-213Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 14 10 DS280W603-205Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AJ631 NF 18 22 DS280W603-308Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 28 38 DS280W603-219Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 14 16 DS280W603-204Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 22 14 DS280W603-215Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 18 22 DS280W603-108Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AJ631 NF 18 14 DS280W603-309Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 20 10 DS280W603-212Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 22 14 DS280W603-115Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AJ631 NF 22 14 DS280W603-315Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 24 22 DS280W603-217Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 16 20 DS280W603-106Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AJ631 NF 14 16 DS280W603-304Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 16 16 DS280W603-207Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 20 26 DS280W603-110Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AJ631 NF 12 10 DS280W603-303Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 10 10 DS280W603-101Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 10 10 DS280W603-201Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AJ631 NF 10 10 DS280W603-301Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 20 20 DS280W603-211Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 20 26 DS280W603-210Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 28 20 DS280W603-121Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AJ631 NF 12 14 DS280W603-302Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AJ631 NF 16 20 DS280W603-306Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AJ631 NF 22 20 DS280W603-314Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 24 16 DS280W603-118Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 08 07 DS280W603-100Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 22 28 DS280W603-113Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 12 10 DS280W603-103Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 20 10 DS280W603-112Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 24 32 DS280W603-216Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 18 22 DS280W603-208Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 24 32 DS280W603-116Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 22 20 DS280W603-214Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 16 16 DS280W603-107Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 20 20 DS280W603-111Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 28 20 DS280W603-221Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AJ631 NF 20 10 DS280W603-312Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AH631 NF 18 14 DS280W603-209Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AJ631 NF 20 20 DS280W603-311Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AJ631 NF 24-32-DS280W603-316Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 24 22 DS280W603-117Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 18 14 DS280W603-109Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 12 14 DS280W603-102Boeing 777-200 Series, 777-300 Series2002-04-25current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 10 10 DS280W603-201Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AA631 NF 18 18 DS280W603-303Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 28 28 DS280W603-119Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AA631 NF 24 24 DS280W603-311Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 20 20 DS280W603-210Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 16 16 DS280W603-106Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 20 16 DS280W603-211Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 18 12 DS280W603-209Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AA631 NF 18 12 DS280W603-304Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AA631 NF 28-16-DS280W603-316Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 18 12 DS280W603-109Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 24 24 DS280W603-216Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 22 12 DS280W603-115Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AA631 NF 22 12 DS280W603-310Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 16 14 DS280W603-107Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 24 14 DS280W603-218Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 08 08 DS280W603-200Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 14 14 DS280W603-104Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 20 16 DS280W603-111Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 12 12 DS280W603-202Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 24 18 DS280W603-217Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 18 18 DS280W603-208Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 24 24 DS280W603-116Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AA631 NF 22 16 DS280W603-309Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 12 10 DS280W603-203Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 16 14 DS280W603-207Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AA631 NF 20 16 DS280W603-306Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 24 14 DS280W603-118Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AA631 NF 16 14 DS280W603-302Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 22 16 DS280W603-114Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 16 16 DS280W603-206Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AA631 NF 24 18 DS280W603-312Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AA631 NF 20 20 DS280W603-305Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 28 16 DS280W603-221Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 14 14 DS280W603-204Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 20 10 DS280W603-212Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AA631 NF 24 14 DS280W603-313Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AA631 NF 20 10 DS280W603-307Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 24 18 DS280W603-117Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 28 20 DS280W603-220Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AA631 NF 28 28 DS280W603-314Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 22 16 DS280W603-214Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AA631 NF 22 22 DS280W603-308Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 22 22 DS280W603-213Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 28 16 DS280W603-121Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 28 20 DS280W603-120Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AA631 NF 16 16 DS280W603-301Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AA631 NF 28 20 DS280W603-315Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 14 10 DS280W603-205Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 08 08 DS280W603-100Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 22 22 DS280W603-113Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 28 28 DS280W603-219Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 20 20 DS280W603-110Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AB631 NF 22 12 DS280W603-215Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 12 12 DS280W603-102Boeing 777-200 Series, 777-300 Series2000-07-26current
Glenair INCBackshell, Electrical, General Purpose 447AS631 NF 18 18 DS280W603-108Boeing 777-200 Series, 777-300 Series2000-07-26current
Simmonds Precision Products INC Goodrich Sensors and Integrated Systems - VtBACKSHELL, STRAIN RELEIEF 042382-01, DWG NO.042382-01 REV. A042382-01Eurocopter France AS-355N1998-09-13current
Glenair INCBackshell BACC10HV4Boeing BACC10HV4Boeing 747-4001998-07-06current
Glenair INCBackshell BACC10HD14ABoeing BACC10HD14ABoeing 737-100, -200, -3001998-07-06current
Glenair INCBackshell BACC10HF16ABoeing BACC10HF16ABoeing 737-100, -200, -3001998-07-06current
Glenair INCBackshell BACC10HD12ABoeing BACC10HD12ABoeing 737-100, -200, -300 -4001998-07-06current
Glenair INCBackshell BACC10HE16ABoeing BACC10HE16ABoeing 737-100, -200, -3001998-07-06current
Glenair INCBackshell BACC10HW32Boeing BACC10HW32Boeing 747-4001998-07-06current
Glenair INCBackshell BACC10HF24ABoeing BACC10HF24ABoeing 737-100, -200, -300 -4001998-07-06current
Glenair INCBackshell BACC10GL12Boeing BACC10GL12Boeing 737-100, -200, -3001998-07-06current
Glenair INCBackshell BACC10HF10ABoeing BACC10HF10ABoeing 737-100, -200, -3001998-07-06current
Glenair INCBackshell BACC10HD10ABoeing BACC10HD10ABoeing 737-100, -200 737-300, -4001998-07-06current
Simmonds Precision Products INC Goodrich Sensors and Integrated Systems - VtBackshell,strain Relief 042382-01, DWG. NO....NO UNIQUE P/NEurocopter France A-S350B1/B21997-12-14current
Joslyn Sunbank CorporationBackshell BACC10HD12ABoeing BACC10HD12ABoeing 737-100, -200, -3001997-08-24current

The first 150 of 158.

Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.