The U.S. aircraft register, updated daily
Parts

Sub

No failure report names the sub. 245 FAA approvals let 14 companies make a replacement sub, Heritage Aviation LTD holding the most (134).

Approved replacement parts 245 parts manufacturer approvals

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

For these models most: Md Helicopters Inc MD 900 (134), Boeing 737 (31), Boeing 747 (28), Boeing 757 (16), Boeing 767 (14), Boeing 777 (3), Boeing 787 Dreamliner (2), Airbus A321 (2), Airbus A320 (2), Airbus A319 (2), Mcdonnell Douglas DC-9 (1), Mcdonnell Douglas Aircraft Co MD-88 (1).

MakerPartReplacesFitsGrantedStatus
Garmin International INCSub-Assy, GHA 15, PMA 011-05259-51Modification PartSee Approved Model... See Approved Model List for STC SA12219WI2026-01-14current
Garmin International INCSub-Assy, GEA 24B, PMA 011-05991-01Modification PartSee Approved Model... See Approved Model List for STC SA02658SE2023-07-18current
Airborne Maintenance & Engineering ServicesSub-Assy (737-300) 007-00400-69007-00400-69Boeing 737-300/7002022-07-11current
Airborne Maintenance & Engineering ServicesSub-Assembly 007-00500-79007-00500-79Boeing 737-300/400/7002022-07-11current
Airborne Maintenance & Engineering ServicesSub-Assy (737-400) 007-00400-59007-00400-59Boeing 737-4002022-07-11current
Garmin International INCSub-Assy,Kit GMU 44 Universal Mount 011-01779-01Modification PartSee Approved Model... See Approved Model List for STC SR01980WI2022-06-16current
L2 AviationSub-Kit, Takeoff Check Switch 3422-B123-SK405-173422-B123-SK405-17Boeing 767-200 Series767-300 Series767-300F Series2021-10-09current
L2 AviationSub-Kit, Lightplate, Gear Lever, 162, 190, 195, 210, 220, 240K 3422-B123-SK405-133422-B123-SK405-13Boeing 767-200 Series767-300 Series767-300F Series2021-10-09current
L2 AviationSub-Kit, Lightplate, Gear Lever, 170, 180, 210, 210, 230, 250K 3422-B123-SK405-153422-B123-SK405-15Boeing 767-200 Series767-300 Series767-300F Series2021-10-09current
L2 AviationSub-Kit, Annunciator Plugs, Brown 3422-B123-SK405-093422-B123-SK405-09Boeing 767-200 Series767-300 Series767-300F Series2021-10-09current
Garmin International INCSub-Assy, Conn Kit, GTR200 011-03240-01Modification PartSee Approved Model... See Approved Model List for STC SA01899WI2020-01-12current
Garmin International INCSub-Assy, GTR20 011-03007-30Modification PartSee Approved Model... See Approved Model List for STC SA01899WI2020-01-12current
Garmin International INCSub-Assy, Conn Kit, GTR20 011-03241-01Modification PartSee Approved Model... See Approved Model List for STC SA01899WI2020-01-12current
Garmin International INCSub-Assy, GMA245R MKR 011-03784-10Modification PartSee Approved Model... See Approved Model List for STC SA01899WI2020-01-12current
Garmin International INCSub-Assy, GAP 26, Probe Only, Self Regulating 011-02964-70Modification PartSee Approved Model... See Approved Model List for STC SA01899WI2020-01-12current
Garmin International INCSub-Assy, GTR200, BT 011-02980-40Modification PartSee Approved Model... See Approved Model List for STC SA01899WI2020-01-12current
Garmin International INCSub-Assy, Conn Kit, GMA245R 011-03828-10Modification PartSee Approved Model... See Approved Model List for STC SA01899WI2020-01-12current
Luminator Holding, LPSub-Kit E.E.P.M.S. 0201991-0150201991-015The Boeing Company 737-809, -823, -8242019-11-11current
Luminator Holding, LPSub-Kit E.E.P.M.S. 0201991-0130201991-013The Boeing Company 737-809, -823, -8242019-11-11current
Luminator Holding, LPSub-Kit E.E.P.M.S. 0201991-0140201991-014The Boeing Company 737-809, -823, -8242019-11-11current
Luminator Holding, LPSub-Kit E.E.P.M.S. 0201991-0210201991-021The Boeing Company 737-809, -823, -8242019-11-11current
Luminator Holding, LPSub-Kit E.E.P.M.S. 0201991-0160201991-016The Boeing Company 737-809, -823, -8242019-11-11current
Garmin International INCSub-Assy, Kit GMU44 Universal Mount 011-01779-01Modification PartSee Approved Model... See Approved Model List for STC SR02622SE2019-11-04current
L2 AviationSub Kit, Take Off Check Switch 3422-B109-SK405-15Modification PartBoeing 757-200PF Series2018-07-04current
L2 AviationSub Kit, Data Load Port 3422-B109-SK405-07Modification PartBoeing 757-200PF Series2018-07-04current
L2 AviationSub Kit, ADF Deactivation, Right 3422-B109-SK425-01Modification PartBoeing 757-200PF Series2018-07-04current
Aviation Materials Management, INCSub Kit Assy 273N2006-6273N2006-6Boeing 757-200 SERIES, 757-300 SERIES.2015-02-12current
Aviation Materials Management, INCSub Kit Assy 162N3001-9162N3001-9Boeing 757-200 SERIES, 757-200PF SERIES.2015-02-12current
Aviation Materials Management, INCSub Kit Assy 161T1100-431161T1100-431Boeing 767-300 SERIES, 767-300F SERIES.2015-02-12current
Aviation Materials Management, INCSub Kit Assy 275N1211-3275N1211-3Boeing 757-200 SERIES, 757-200CB SERIES,...2015-02-12current
Aviation Materials Management, INCSub Kit Assy 162T0000-618162T0000-618Boeing 767-200 SERIES, 767-300 SERIES,...2015-02-12current
Aviation Materials Management, INC.Sub Kit Assy 161T1100-431161T1100-431Boeing 767-300 SERIES, 767-300F SERIES.2014-09-04current
Aviation Materials Management, INC.Sub Kit Assy 162T0000-618162T0000-618Boeing 767-200 SERIES, 767-300 SERIES,...2014-09-04current
Aviation Materials Management, INC.Sub Kit Assy 162N3001-9162N3001-9Boeing 757-200 SERIES, 757-200PF SERIES.2014-09-04current
Aviation Materials Management, INC.Sub Kit Assy 273N2006-6273N2006-6Boeing 757-200 SERIES, 757-300 SERIES.2014-09-04current
Aviation Materials Management, INC.Sub Kit Assy 275N1211-3275N1211-3Boeing 757-200 SERIES, 757-200CB SERIES,...2014-09-04current
Wencor LLC (Formerly Dixie Aerospace LLC)Sub Assembly, Claw Plate 3A071-0325WD3A071-0325Boeing McDonnell Douglas) (DC-9-81 (MD-81),...2014-08-14current
B/E Aerospace, INC.SUB-ASSY, OXYBOX, 2 MASK 4570003-0144570003-014Boeing 787-82014-07-10current
B/E Aerospace, INC.SUB-ASSY, OXYBOX, PREM SEAT, LG 4570006-0014570006-001Boeing 787-82014-07-10current
Aviation Materials Management INCSub Kit Assy 162T0000-618162T0000-618Boeing 767-200 SERIES, 767-300 SERIES,...2013-03-24current
Aviation Materials Management INCSub Kit Assy 275N1211-3275N1211-3Boeing 757-200 SERIES, 757-200CB SERIES,...2013-03-24current
Aviation Materials Management INCSub Kit Assy 162N3001-9162N3001-9Boeing 757-200 SERIES, 757-200PF SERIES.2013-03-24current
Aviation Materials Management INCSub Kit Assy 273N2006-6273N2006-6Boeing 757-200 SERIES, 757-300 SERIES.2013-03-24current
Aviation Materials Management INCSub Kit Assy 161T1100-431161T1100-431Boeing 767-300 SERIES, 767-300F SERIES.2013-03-24current
Rsg Products INCSub Assembly, Roll Control Tube PA85-120-212101-01PA85-120-212101-01Eurocopter France EC120B2012-03-22current
Aviation Materials Management INCSub Kit Assy 273N2006-6273N2006-6Boeing 757-200 SERIES, 757-300 SERIES.2010-10-18current
Aviation Materials Management INCSub Kit Assy 161T1100-431161T1100-431Boeing 767-300 SERIES, 767-300F SERIES.2010-10-18current
Aviation Materials Management INCSub Kit Assy 275N1211-3275N1211-3Boeing 757-200 SERIES, 757-200CB SERIES,...2010-10-18current
Aviation Materials Management INCSub Kit Assy 162T0000-618162T0000-618Boeing 767-200 SERIES, 767-300 SERIES,...2010-10-18current
Aviation Materials Management INCSub Kit Assy 162N3001-9162N3001-9Boeing 757-200 SERIES, 757-200PF SERIES.2010-10-18current
Bae Systems Controls INCSub Kit 65C80001-165C80001-1The Boeing Company 737-100 Series, 737-200 Series2010-08-23current
Bae Systems Controls INCSUB KIT - UPPER DECK 015U1622-2015U1622-2The Boeing Company 747-400 SERIES, 747-400F SERIES2010-08-05current
Bae Systems Controls INCSUB KIT - MAIN DECK 015U1622-3015U1622-3The Boeing Company 747-400 SERIES, 747-400F SERIES2010-08-05current
Bae Systems Controls INCSUB KIT 65C80001-165C80001-1The Boeing Company 737-100 SERIES, 737-200 SERIES2010-08-05current
Goodrich Landing GearSUB KIT ASSY 65B81434-30865B81434-308Boeing 747-400 SERIES, 747-400F SERIES2009-10-29current
Goodrich Landing GearSUB KIT ASSY 160U0100-12160U0100-12Boeing 747-400 SERIES, 747-400D SERIES,...2009-10-29current
Goodrich Landing GearSUB KIT ASSY 65B81434-30665B81434-306Boeing 747-400 SERIES, 747-400F SERIES2009-10-29current
Goodrich Landing GearSUB KIT ASSY 65B81434-30265B81434-302Boeing 747-400 SERIES, 747-400F SERIES2009-10-29current
Goodrich Landing GearSUB KIT ASSY 162U1500-53162U1500-53Boeing 747-400 SERIES, 747-400F SERIES2009-10-29current
Goodrich Landing GearSUB KIT ASSY 65B81434-30465B81434-304Boeing 747-400 SERIES, 747-400F SERIES2009-10-29current
Goodrich Landing GearSUB KIT ASSY 65B01379-265B01379-2Boeing 747-100 SERIES, 747-100B SERIES,...2009-10-29current
Goodrich Landing GearSUB KIT ASSY 69B70997-1269B70997-12Boeing 747-100 SERIES, 747-100B SERIES,...2009-10-29current
Goodrich Landing GearSUB KIT ASSY 162U1500-53162U1500-53Boeing 747-400 SERIES, 747-400F SERIES2009-10-29current
Goodrich Landing GearSUB KIT ASSY 69B70997-1269B70997-12Boeing 747-100 SERIES, 747-100B SERIES,...2009-10-29current
Goodrich Landing GearSUB KIT ASSY 65B81434-30265B81434-302Boeing 747-400 SERIES, 747-400F SERIES2009-10-29current
Goodrich Landing GearSUB KIT ASSY 65B81434-30665B81434-306Boeing 747-400 SERIES, 747-400F SERIES2009-10-29current
Goodrich Landing GearSUB KIT ASSY 65B81434-30465B81434-304Boeing 747-400 SERIES, 747-400F SERIES2009-10-29current
Goodrich Landing GearSUB KIT ASSY 65B81434-30865B81434-308Boeing 747-400 SERIES, 747-400F SERIES2009-10-29current
Goodrich Landing GearSUB KIT ASSY 160U0100-12160U0100-12Boeing 747-400 SERIES, 747-400D SERIES,...2009-10-29current
Goodrich Landing GearSUB KIT ASSY 275A5301-5275A5301-5Boeing 737-600 SERIES, 737-700 SERIES,...2009-10-29current
Goodrich Landing GearSUB KIT ASSY 65B01503-1965B01503-19Boeing 747-100B SERIES, 747-100B SUD...2009-10-29current
Goodrich Landing GearSUB-KIT ASSY 162W1100-6162W1100-6Boeing 777-200 SERIES, 777-300 SERIES2009-10-29current
Goodrich Landing GearSUB-KIT ASSY 162W1100-6162W1100-6Boeing 777-200 SERIES, 777-300 SERIES2009-10-29current
Goodrich Landing GearSUB KIT ASSY 65B01503-1765B01503-17Boeing 747-100B SERIES, 747-100B SUD...2009-10-29current
Goodrich Landing GearSUB KIT ASSY 275A5301-5275A5301-5Boeing 737-600 SERIES, 737-700 SERIES,...2009-10-29current
Goodrich Landing GearSUB KIT ASSY 65B01503-1765B01503-17Boeing 747-100B SERIES, 747-100B SUD...2009-10-29current
Goodrich Landing GearSUB KIT ASSY 65B01503-1865B01503-18Boeing 747-100B SERIES, 747-100B SUD...2009-10-29current
Goodrich Landing GearSUB KIT ASSY 275A5301-4275A5301-4Boeing 737-600 SERIES, 737-700 SERIES,...2009-10-29current
Goodrich Landing GearSUB KIT ASSY 65B01503-1965B01503-19Boeing 747-100B SERIES, 747-100B SUD...2009-10-29current
Goodrich Landing GearSUB KIT ASSY 275A5301-4275A5301-4Boeing 737-600 SERIES, 737-700 SERIES,...2009-10-29current
Goodrich Landing GearSUB KIT ASSY 65B01503-1865B01503-18Boeing 747-100B SERIES, 747-100B SUD...2009-10-29current
Goodrich Landing GearSUB KIT ASSY 65B01503-2065B01503-20Boeing 747-100B SERIES, 747-100B SUD...2009-10-29current
Goodrich Landing GearSUB KIT ASSY 65B01503-2065B01503-20Boeing 747-100B SERIES, 747-100B SUD...2009-10-29current
Heritage Aviation LTDSub-Assy, R/H Aft Door Surround A56-33001-14Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Ceiling Trim A56-23001-17Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Ceiling Trim A56-33001-21Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Fwd Sidewall Trim (L/H) A56-33004-13Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assembly, Fwd Panel A56-33000-05Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assembly, Door Trim A56-33004-01Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assembly, Door Trim A56-33004-05Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Ceiling Trim A56-33001-19Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, R/H Fwd Door Surround A56-33001-02Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Fwd Sidewall Trim (R/H) A56-33004-20Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assembly, Panel Aft A56-33000-07Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Aft Header A56-33004-11Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assembly, Right A32-33004-07Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Aft Sidewall Trim A56-33004-25Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Flamm. Specimen A56-33001-TS03Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, L/H Fwd Blkhd Closeout A56-33001-05Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Ceiling Trim A56-33001-17Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Flamm. Specimen A56-33001-TS02Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, R/H Fwd Blkhd Closeout A56-33001-07Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Aft Blkhd Closeout A56-33001-15Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, L/H Aft Door Surround A56-33001-03Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assembly, Bracket A32-33004-09Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, L/H Fwd Door Surround A56-33001-11Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assembly, Interior Door Panels A56-33002-02Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, R/H Fwd Door Surround A56-33001-12Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Door Trim A56-33004-19Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assembly, Interior Door Panel A56-33002-01Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Door Trim A56-33004-02Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Ceiling Trim A56-33001-22Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Fwd Sidewall Trim (R/H) A56-33004-18Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Flamm. Specimen A56-33001-TS05Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Fwd Sidewall Trim (L/H) A56-33004-15Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, R/H Aft Door Surround A56-33001-04Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assembly, Left A32-33004-05Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Fwd Sidewall Trim (L/H) A56-33004-17Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assembly, Bottom A32-33004-03Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Fwd Sidewall Trim (R/H) A56-33004-16Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assembly, Panel Mid A56-33000-01Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Aft Sidewall Trim A56-33004-23Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assembly, Door Trim A56-33004-03Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Fwd Sidewall Trim (R/H) A56-33004-14Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, L/H Aft Door Surround A56-33001-13Modification PartMD Helicopters, Inc. MD900) (MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Door Trim A56-33004-10Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Door Trim A56-33004-06Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Door Trim A56-33004-20Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Flamm. Specimen A56-33001-TS01Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Aft Sidewall Trim A56-33004-27Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Ceiling Trim A56-23001-19Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Flamm. Specimen A56-33001-TS04Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assy, Door Trim A56-33004-04Modification PartMD Helicopters, Inc. MD9002009-08-26current
Heritage Aviation LTDSub-Assembly, EMS Power Distribution Panel A32-33004-01Modification PartMD Helicopters, Inc. MD9002009-08-26current
Bae Systems Controls INCSUB KIT - PROXIMITY SWITCH ELECTRONICS UNIT (PSEU) 285A1614-2285A1614-2The Boeing Company 737-600 SERIES, 737-700 SERIES,...2009-08-20current
Bae Systems Controls INCSUB KIT - PROXIMITY SWITCH ELECTRONICS UNIT (PSEU) 285A1614-1285A1614-1The Boeing Company 737-600 SERIES, 737-700 SERIES,...2009-08-20current
Heritage Aviation LTDSub-Assy, L/H Fwd Door Surround A56-33001-11Modification PartMD Helicopters, Inc. MD9002009-06-23current
Heritage Aviation LTDSub-Assy/Detail, VIP Console Cabinet Drawer, Bottom Panel A55-33002-25Modification PartMD Helicopters, Inc. MD9002009-06-23current
Heritage Aviation LTDSub-Assy, Ceiling Trim A56-23001-19Modification PartMD Helicopters, Inc. MD9002009-06-23current
Heritage Aviation LTDSub-Assy, Window Frame A46-33001-01Modification PartMD Helicopters, Inc. MD9002009-06-23current
Heritage Aviation LTDSub-Assy, R/H Aft Door Surround A56-33001-14Modification PartMD Helicopters, Inc. MD9002009-06-23current
Heritage Aviation LTDSub-Assy, L/H Fwd Door Surround A56-23001-01Modification PartMD Helicopters, Inc. MD9002009-06-23current
Heritage Aviation LTDSub-Assy, Fwd Sidewall Trim (L/H) A56-33004-19Modification PartMD Helicopters, Inc. MD9002009-06-23current
Heritage Aviation LTDSub-Assy/Detail, VIP Console Cabinet Drawer, Back Panel A55-33002-23Modification PartMD Helicopters, Inc. MD9002009-06-23current
Heritage Aviation LTDSub-Assy, Aft Sidewall Trim A56-33004-27Modification PartMD Helicopters, Inc. MD9002009-06-23current
Heritage Aviation LTDSub-Assy, R/H Aft Door Surround A56-33001-04Modification PartMD Helicopters, Inc. MD9002009-06-23current
Heritage Aviation LTDSub-Assy/Detail, Window Cover A46-33000-02Modification PartMD Helicopters, Inc. MD9002009-06-23current
Heritage Aviation LTDSub-Assy/Detail, Window Cover, L/H A46-33000-11Modification PartMD Helicopters, Inc. MD9002009-06-23current
Heritage Aviation LTDSub-Assy, L/H Fwd Door Surround A56-23001-11Modification PartMD Helicopters, Inc. MD9002009-06-23current
Heritage Aviation LTDSub-Assy/Detail, Upper Enclosure, side panel A55-33001-11Modification PartMD Helicopters, Inc. MD9002009-06-23current

The first 150 of 245.

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.