The U.S. aircraft register, updated daily
Parts

Cvr Bk

No failure report names the cvr bk. 256 FAA approvals let 2 companies make a replacement cvr bk, Torrington Distributors INC holding the most (247).

Approved replacement parts 256 parts manufacturer approvals

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

For these models most: Boeing 737 (83), Airbus A320 (80), Airbus A321 (35), Boeing 777 (21), Airbus A330 (21), Airbus A319 (10), Boeing 757 (1).

MakerPartReplacesFitsGrantedStatus
Torrington Distributors INC.CVR-BK-HR LR 17.20 1298661-043HZG1298661-043HZGAirbus SAS A321-111, A321-112, A321-1312026-02-06current
Torrington Distributors INC.CVR-BK-HR VID 17.80 1298661-035HZG1298661-035HZGAirbus SAS A321-111, A321-112, A321-1312026-02-06current
Torrington Distributors INC.CVR-BK-HR VID 18.36 1298661-037HZG1298661-037HZGAirbus SAS A321-111, A321-112, A321-1312026-02-06current
Torrington Distributors INC.CVR-BK-HR VID 17.80 1298661-035HZG1298661-035HZGAirbus SAS A321-111, A321-112, A321-1312026-02-06current
Torrington Distributors INC.CVR-BK-HR VID17.80 PEY 1298661-055IAC1298661-055IACAirbus SAS A321-111, A321-112, A321-1312026-02-06current
Torrington Distributors INC.CVR-BK-HR VID18.36 PEY 1298661-057IAC1298661-057IACAirbus SAS A321-111, A321-112, A321-1312026-02-06current
Torrington Distributors INC.CVR-BK-HR VID18.36 PEY 1298661-057IAC1298661-057IACAirbus SAS A321-111, A321-112, A321-1312026-02-06current
Torrington Distributors INC.CVR-BK-HR LR 18.36 1298661-047HZG1298661-047HZGAirbus SAS A321-111, A321-112, A321-1312026-02-06current
Torrington Distributors INC.CVR-BK-HR LR LIT 18.36 1298661-067HZG1298661-067HZGAirbus SAS A321-111, A321-112, A321-1312026-02-06current
Torrington Distributors INCCVR-BK-HR VID 18.36 OB CH 1273851-037HAL1273851-037HALAirbus SAS A321 Series2025-01-08current
Torrington Distributors INCCVR-BK-HR VID 17.20 IB CH 1273851-034HAL1273851-034HALAirbus SAS A321 Series2025-01-08current
Torrington Distributors INCCVR-BK-HR VID 17.20 OB CH 1273851-033HAL1273851-033HALAirbus SAS A321 Series2025-01-08current
Torrington Distributors INCCVR-BK-HR LR 18.36 LP NO CH 1273851-057HAL1273851-057HALAirbus SAS A321 Series2025-01-08current
Torrington Distributors INCCVR-BK-HR LR 18.36 NO CH 1273851-047HAL1273851-047HALAirbus SAS A321 Series2025-01-08current
Torrington Distributors INCCVR-BK-HR VID 18.36 IB CH 1273851-038HAL1273851-038HALAirbus SAS A321 Series2025-01-08current
Torrington Distributors INCCVR-BK-HR LR 18.36 LP NO CH 1273851-058HAL1273851-058HALAirbus SAS A321 Series2025-01-08current
Torrington Distributors INCCVR-BK-HR LR 17.20 NO CH 1273851-043HAL1273851-043HALAirbus SAS A321 Series2025-01-08current
Torrington Distributors INC CVR-BK-PEY 18.36 UP LIT 1337775-177EVU1337775-177EVUAirbus SAS A320 Series2023-11-17current
Torrington Distributors INCCVR-BK-LR 18.36 BLANK 1337775-147EVT1337775-147EVTAirbus SAS A320 Series2023-11-17current
Torrington Distributors INCCVR-BK-LR 17.20 BLANK 1337775-143EVT1337775-143EVTAirbus SAS A320 Series2023-11-17current
Torrington Distributors INCCVR-BK-STD 18.36 UP LIT 1337775-117EVT1337775-117EVTAirbus SAS A320 Series2023-11-17current
Torrington Distributors INCCVR-BK-STD 17.20 UP LIT 1337775-113EVT1337775-113EVTAirbus SAS A320 Series2023-11-17current
Torrington Distributors INCCVR-BK-HR VID 17.80CVR-BK HR LR 16.55 1100701-205FYD1100701-211FYD1100701-205FYD1100701-211FYDThe Boeing... 737-8737-82022-07-18current
Torrington Distributors INCCVR-BK-STD 17.20 UP LITCVR-BK-STD 18.36 UP LIT 1068676-103EVT1068676-107EVT1068676-103EVT 1068676-107EVTAirbus SAS. Airbus SAS A320 SeriesA320 Series2021-12-08current
Torrington Distributors INCCVR-BK-LR 17.20 BLANKCVR-BK-LR 18.36 BLANK 1068676-143EVT1068676-147EVT1068676-143EVT1068676-147EVTAirbus SASAirbus SAS A320 seriesA320 Series2021-12-08current
Torrington Distributors INCCVR-BK- LR 17.20 BLANKCVR-BK- LR 18.36 BLANK 1068676-143EVT1068676-147EVT1068676-143EVT1068676-147EVTAirbus SASAirbus SAS A320seriesA320Series2021-12-07current
Torrington Distributors INCCVR-BK- STD 17.20 UP LITCVR-BK- STD 18.36 UP LIT 1068676-103EVT1068676-107EVT1068676-103EVT1068676-107EVTAirbus SAS Airbus SAS A320SeriesA320Series2021-12-07current
Torrington Distributors INCCVR-BK 17.20 CVR-BK 17.20 1124041- 003GDU1124041- 003GDV1124041- 003GDU 1124041-003GDVAirbus SAS. Airbus SAS A320 SeriesA320 Series2021-11-23current
Torrington Distributors INCCVR-BK 18.36CVR-BK 18.36 1124041- 007GDV1124041- 107GDT1124041- 007GDV1124041- 107GDTAirbus SASAirbus SAS A320 SeriesA320 Series2021-11-23current
Torrington Distributors INCCVR-BK 18.36CVR-BK 18.36 1124041-007GDT1124041-007GDU1124041-007GDT1124041-007GDUAirbus SASAirbus SAS A320 seriesA320 Series2021-11-23current
Torrington Distributors INCCVR-BK-HR 16.55 1094291-011FRD1094291-011FRDThe Boeing Company B737-82019-07-15current
Torrington Distributors INCCVR-BK LR HR 16.55 1094291-051FRD1094291-051FRDThe Boeing Company B737-82019-07-15current
Torrington Distributors INCCVR-BK-HR 17.80 1094291-015FRD1094291-015FRDThe Boeing Company B737-82019-07-15current
Torrington Distributors INCCVR-BK-HR ULP 17.80 1093892-015FPH1093892-015FPHThe Boeing Company B737-82019-06-10current
Torrington Distributors INCCVR-BK LR HR 16.55 1093892-051FPH1093892-051FPHThe Boeing Company B737-82019-06-10current
Torrington Distributors INCCVR-BK-HR ULP 16.55 1093892-011FPH1093892-011FPHThe Boeing Company B737-82019-06-10current
Torrington Distributors INCCVR-BK-HR VIDEO - 18.0 DARK 1084401-307FIX1084401-307FIXAirbus SAS A320 Series2019-05-29current
Torrington Distributors INCCVR-BK-HR VIDEO - 17.3 DARK 1084401-305FIX1084401-305FIXAirbus SAS A320 Series2019-05-29current
Torrington Distributors INCCVR-BK-HR - 18.0 1084401-127FIX1084401-127FIXAirbus SAS A320 Series2019-05-29current
Torrington Distributors INCCVR-BK-HR VIDEO 18.0 NO BMFT 1084401-117FIX1084401-117FIXAirbus SAS A320 Series2019-05-29current
Torrington Distributors INCCVR-BK-HR - 18.0 DARK 1084401-327FIX1084401-327FIXAirbus SAS A320 Series2019-05-29current
Torrington Distributors INCCVR-BK-HR - 17.3 1084401-125FIX1084401-125FIXAirbus SAS A320 Series2019-05-29current
Torrington Distributors INCCVR-BK-HR VIDEO-18 NOBMFT DARK 1084401-317FIX1084401-317FIXAirbus SAS A320 Series2019-05-29current
Torrington Distributors INCCVR-BK-HR VIDEO - 18.0 1084401-107FIX1084401-107FIXAirbus SAS A320 Series2019-05-29current
Torrington Distributors INCCVR-BK-HR VIDEO - 17.3 1084401-105FIX1084401-105FIXAirbus SAS A320 Series2019-05-29current
Torrington Distributors INCCVR-BK-HR 16.55 1094291-011FRD1094291-011FRDThe Boeing Company B737-82019-04-17current
Torrington Distributors INCCVR-BK-HR 17.80 1094291-015FRD1094291-015FRDThe Boeing Company B737-82019-04-17current
Torrington Distributors INCCVR-BK LR HR 16.55 1094291-051FRD1094291-051FRDThe Boeing Company B737-82019-04-17current
Torrington Distributors INCCVR-BK-HR 16.55 1094281-011EJJ1094281-011EJJThe Boeing Company B737-82019-04-01current
Torrington Distributors INCCVR-BK LR HR 16.55 1094281-051EJJ1094281-051EJJThe Boeing Company B737-82019-04-01current
Torrington Distributors INCCVR- BK LR HR 17.80 1094281-055EJJ1094281-055EJJThe Boeing Company B737-82019-04-01current
Torrington Distributors INCCVR-BK-HR 17.80 1094281-015EJJ1094281-015EJJThe Boeing Company B737-82019-04-01current
Torrington Distributors INCCVR-BK-HR ULP 16.55 1081790-011FGG1081790-011FGGThe Boeing Company 737-8 Series2018-11-05current
Torrington Distributors INCCVR-BK LR HR 16.55 1081790-021FGG1081790-021FGGThe Boeing Company 737-8 Series2018-11-05current
Torrington Distributors INCCVR-BK-HR ULP 17.80 1081790-015FGG1081790-015FGGThe Boeing Company 737-8 Series2018-11-05current
Torrington Distributors INCCVR-BK LR HR 17.80 1081790-025FGG1081790-025FGGThe Boeing Company 737-8 Series2018-11-05current
Torrington Distributors INCCVR-BK-DLX 17.3 LR 1050595-007DVI1050595-007DVIThe Boeing Company 737-8 Series2018-07-18current
Torrington Distributors INCCVR-BK-18.0 HR UP LIT 1059692-107EFR1059692-107EFRAirbus A320 Series2017-05-09current
Torrington Distributors INCCVR BK 17.83 ST, NO ANTIM 1063325-007ECZ1063325-007ECZAirbus A320/A321 Series2016-08-21current
Torrington Distributors INCCVR BK 17.83 STD, VID NO ANTIM 1058978-017ECZ1058978-017ECZAirbus A330 Series2016-03-22current
Torrington Distributors INCCVR ASSY BK - LR 16.3 1053068-181DXA1053068-181DXABoeing 737-800 Series2016-03-22current
Torrington Distributors INCCVR BK 16.33, VID, NO ANTIM 1058978-011ECZ1058978-011ECZAirbus A330 Series2015-12-29current
Torrington Distributors INCCVR BK 17.17, NO VID, NO ANTIM 1058978-015ECZ1058978-015ECZAirbus A330 Series2015-12-29current
Torrington Distributors INCCVR BK 17.17, VID, NO ANTIM 1058978-009ECZ1058978-009ECZAirbus A330 Series2015-12-29current
Torrington Distributors INCCVR BK 17.83 STD, VID NO ANTIM 1058978-007ECZ1058978-007ECZAirbus A330 Series2015-12-29current
Torrington Distributors INCCVR BK 17.84, NO VID, NO ANTIM 1058978-013ECZ1058978-013ECZAirbus A330 Series2015-12-29current
Torrington Distributors INCCVR-BK-DLX 17.3 1050595-003DVI1050595-003DVIBoeing 737-800 Series2015-12-08current
Torrington Distributors INCCVR-BK-DLX 16.3 1050595-001DVI1050595-001DVIBoeing 737-800 Series2015-12-08current
Torrington Distributors INCCVR-BK-DLX 17.3 HR UP LIT 1023252-135DF101023252-135DF10Airbus A319 Series2015-12-08current
Torrington Distributors INCCVR-BK-DLX 16.3 LR 1050595-005DVI1050595-005DVIBoeing 737-800 Series2015-12-08current
Torrington Distributors INCCVR ASSY BK - STD 17.3 1053068-175DXA1053068-175DXABoeing 737-800 Series2015-12-08current
Torrington Distributors INCCVR ASSY BK - HR 17.3 1053068-165DXA1053068-165DXABoeing 737-800 Series2015-12-08current
Torrington Distributors INCCVR ASSY BK - HR 16.3 1053068-161DXA1053068-161DXABoeing 737-800 Series2015-12-08current
Torrington Distributors INCCVR-BK-DLX 18.0 HR UP LIT 1023252-137DF101023252-137DF10Airbus A319 Series2015-12-08current
Torrington Distributors INCCVR-BK-17.3 HR LR WO LWR LIT 1023252-175DF101023252-175DF10Airbus A319 Series2015-12-08current
Torrington Distributors INCCVR ASSY BK - STD 16.3 1053068-171DXA1053068-171DXABoeing 737-800 Series2015-12-08current
Torrington Distributors INCCVR-BK-DLX 18.0 HR LR 1023252-177DF101023252-177DF10Airbus A319 Series2015-12-08current
Torrington Distributors INCCVR-BK DLX 17.3 1047841-005DSP1047841-005DSPBoeing 737-800 Series2015-05-10current
Torrington Distributors INCCVR-BK DLX 16.3 1047841-001DSP1047841-001DSPBoeing 737-800 Series2015-05-10current
Torrington Distributors INCCVR-BK-DLX 16.3 HR UP LIT 1046591-131DSK1046591-131DSKBoeing 737-800 Series2015-05-10current
Torrington Distributors INCCVR-BK 17.3 1046443-205DSS1046443-205DSSBoeing 737-800 Series2015-05-10current
Torrington Distributors INCCVR-BK-DLX 16.3 HR UP LIT LR 1046591-151DSK1046591-151DSKBoeing 737-800 Series2015-05-10current
Torrington Distributors INCCVR-BK DLX 16.3 LR 1047841-011DSQ1047841-011DSQBoeing 737-800 Series2015-05-10current
Torrington Distributors INCCVR-BK DLX 16.3 LR 1047841-011DSP1047841-011DSPBoeing 737-800 Series2015-05-10current
Torrington Distributors INCCVR-BK-DLX 17.3 HR UP LIT 1046591-135DSK1046591-135DSKBoeing 737-800 Series2015-05-10current
Torrington Distributors INCCVR-BK 16.3 LR 1046443-211DSS1046443-211DSSBoeing 737-800 Series2015-05-10current
Torrington Distributors INCCVR-BK 16.3 1046443-201DSS1046443-201DSSBoeing 737-800 Series2015-05-10current
Torrington Distributors INCCVR-BK DLX 16.3 1047841-001DSQ1047841-001DSQBoeing 737-800 Series2015-05-10current
Torrington Distributors INCCVR-BK DLX 17.3 1047841-005DSQ1047841-005DSQBoeing 737-800 Series2015-05-10current
Torrington Distributors INCCVR-BK-SL 17.3 1041321-0651041321-065Boeing 737-900ER2014-11-23current
Torrington Distributors INCCVR-BK-SL-EMB PLACARD 17.3 1041321-0451041321-045Boeing 737-900ER2014-11-23current
Torrington Distributors INCCVR BK 17.83 PADDED HDRST ST 1041863-001DLQ1041863-001DLQAirbus A3202014-11-23current
Torrington Distributors INCCVR-BK-SL 16.3 LR 1041321-0511041321-051Boeing 737-900ER2014-11-23current
Torrington Distributors INCCVR-BK-SL 16.3 1041321-0611041321-061Boeing 737-900ER2014-11-23current
Torrington Distributors INCCVR BK 16.33 STYLE D ANTI CUP 1004405-023DE141004405-023DE14Airbus A320/A321 Series2014-04-29current
Torrington Distributors INCCVR BK 16.33 DTDL, HR, NO ANTI 1011904-005RED1011904-005REDAirbus A330 Series2014-02-23current
Torrington Distributors INCCVR BK 16.33 DTDL, HR, NO ANTI 1011904-005GRY1011904-005GRYAirbus A330 Series2014-02-23current
Torrington Distributors INCCVR-BK-DLX 16.3 HR UP LIT 1027622-131DDZ1027622-131DDZBoeing 737-800 Series2014-01-30current
Torrington Distributors INCCVR-BK-DLX 17.3 HR UP LIT 1027622-135DDZ1027622-135DDZBoeing 737-800 Series2014-01-30current
Torrington Distributors INCCVR-BK-DLX 17.3 HR UP LIT LR 1027622-155DDZ1027622-155DDZBoeing 737-800 Series2014-01-30current
Torrington Distributors INCCVR-BK-DLX 16.3 HR UP LIT LR 1027622-151DDZ1027622-151DDZBoeing 737-800 Series2014-01-30current
Torrington Distributors INCCVR BK 17.84 STYLE E 1023546-427AZ221023546-427AZ22Boeing 777-300 Series2013-10-22current
Torrington Distributors INCCVR BK 17.17 STYLE C 1025622-003GD051025622-003GD05Airbus A320 Series2013-10-22current
Torrington Distributors INCCVR-BK-DL 17.3 1021881-065BZA1021881-065BZABoeing 737-800 Series2013-10-22current
Torrington Distributors INCCVR-BK-DL 16.3 1021881-061BZA1021881-061BZABoeing 737-800 Series2013-10-22current
Torrington Distributors INCCVR BK 17.17 STY A HDRST 1024241-103DAS1024241-103DASBoeing 737-800 Series2013-10-22current
Torrington Distributors INCCVR-BK-SL 17.3 1018141-005MA011018141-005MA01Airbus A319 Series2013-10-22current
Torrington Distributors INCCVR BK 16.33 STY A HDRST 1024241-105DAS1024241-105DASBoeing 737-800 Series2013-10-22current
Torrington Distributors INCCVR BK 17.83 STYLE C 1025622-001GD051025622-001GD05Airbus A320 Series2013-10-22current
Torrington Distributors INCCVR BK 17.17 STYLE E 1023546-429AZ221023546-429AZ22Boeing 777-300 Series2013-10-22current
Torrington Distributors INCCVR BK 18.50 STYLE E 1023546-425AZ221023546-425AZ22Boeing 777-300 Series2013-10-22current
Torrington Distributors INCCVR BK 18.50 STYLE E N/V 1023546-433AZ221023546-433AZ22Boeing 777-300 Series2013-10-22current
Torrington Distributors INCCVR-BK-SL 18.0 1018141-007MA011018141-007MA01Airbus A319 Series2013-10-22current
Torrington Distributors INCCVR BK 18.50 STYLE E BLANK 1023546-441AZ221023546-441AZ22Boeing 777-300 Series2013-10-22current
Torrington Distributors INCCVR BK 16.33 CTDL, HR, ANTIM 1018564-001KL031018564-001KL03Airbus A330 Series2013-10-22current
Torrington Distributors INCCVR-BK-DL 16.3 L/R 1021881-141BZA1021881-141BZABoeing 737-800 Series2013-10-22current
Torrington Distributors INCCVR BK 16.33 CTDL, HR, ANTIM 1018564-001KL021018564-001KL02Airbus A330 Series2013-10-22current
Torrington Distributors INCCVR BK 17.17 STYLE E BLANK 1023546-443AZ221023546-443AZ22Boeing 777-300 Series2013-10-22current
Torrington Distributors INCCVR BK 18.50 STYLE E 1023546-475AZ231023546-475AZ23Boeing 777-300 Series2013-10-22current
Torrington Distributors INCCVR BK 17.83 STYLE D ANTI 1020743-007JR081020743-007JR08Airbus A320 Series2013-04-30current
Torrington Distributors INCCVR BK 17.83 STYLE D ANTI 1020743-007JR071020743-007JR07Airbus A320 Series2013-04-30current
Torrington Distributors INCCVR BK 17.17 NO/ANTI, W/VID 1019703-001GE091019703-001GE09Boeing 757-300 Series2013-04-30current
Torrington Distributors INCCVR BK 17.83 STYLE D ANTI 1020743-007JR061020743-007JR06Airbus A320 Series2013-04-30current
Torrington Distributors INCCVR-BK-SL 18.0 LR 1016545-107LL021016545-107LL02Airbus A320 Series2012-08-28current
Torrington Distributors INCCVR-BK-SL 17.3 UP LIT 1016545-025LL021016545-025LL02Airbus A320 Series2012-08-28current
Torrington Distributors INCCVR-BK-SL 18.0 UP LIT 1016545-027LL021016545-027LL02Airbus A320 Series2012-08-28current
Torrington Distributors INCCVR-BK-SL 17.3 LR 1016545-105LL011016545-105LL01Airbus A320 Series2012-08-28current
Torrington Distributors INCCVR-BK-SL 18.0 UP LIT 1016545-027LL011016545-027LL01Airbus A320 Series2012-08-28current
Torrington Distributors INCCVR-BK-SL 17.3 LR 1016545-105LL021016545-105LL02Airbus A320 Series2012-08-28current
Torrington Distributors INCCVR-BK-SL 18.0 LR 1016545-107LL011016545-107LL01Airbus A320 Series2012-08-28current
Torrington Distributors INCCVR-BK-SL 17.3 UP LIT 1016545-025LL011016545-025LL01Airbus A320 Series2012-08-28current
Torrington Distributors INCCVR BK 17.17 PADDED NO ANTI 1017042-009EF051017042-009EF05Airbus A320-200 series2012-04-25current
Torrington Distributors INCCVR BK 17.83 PADDED NO ANTI 1017042-007EF051017042-007EF05Airbus A320-200 series2012-04-25current
Torrington Distributors INCCvr Bk 17.83, VID, No Anti 1009567-007GY031009567-007GY03Airbus A330 series2012-04-02current
Torrington Distributors INCCVR BK 17.17 STY C HDRST 1003868-103-CMCI1003868-103-CMCIBoeing 737 series2012-04-02current
Torrington Distributors INCCVR BK 17.83, NV,CVT, ANTIM,HR 1011103-101HQ021011103-101HQ02Airbus A320 series2012-04-02current
Torrington Distributors INCCVR BK 17.17 STY E, CVT, HR AM 1003641-415JC021003641-415JC02Boeing 737 series2012-04-02current
Torrington Distributors INCCVR BK 17.83 STYLE B ANTI 1003540-007HH011003540-007HH01Airbus A319 series, A320 series, A321 series2012-04-02current
Torrington Distributors INCCVR BK 16.33 HDRST NO CUP 1003868-105-CMCI1003868-105-CMCIBoeing 737 series2012-04-02current
Torrington Distributors INCCVR-BK 17.83 STYLE E ANTIM 1012760-401KF011012760-401KF01Airbus A321 series2012-04-02current
Torrington Distributors INCCVR BK 17.83 STYLE D ANTI 1004405-007KL011004405-007KL01Airbus A320 series2012-04-02current
Torrington Distributors INCCVR BK 17.17 NO VID, ANTIM 1011103-003HQ011011103-003HQ01Airbus A320 series2012-04-02current
Torrington Distributors INCCVR BK 16.33 STY E, CVT, HR AM 1003641-417JC021003641-417JC02Boeing 737 series2012-04-02current
Torrington Distributors INCCVR BK 17.83 NO VID, ANTIM 1011103-001HQ011011103-001HQ01Airbus A320 series2012-04-02current
Torrington Distributors INCCVR BK 17.17 STYLE E ANTIM 1003641-009JC011003641-009JC01Boeing 737 series2012-04-02current
Torrington Distributors INCCVR BK 16.33 HDRST NO CUP 1004513-105JH011004513-105JH01Boeing 737 series2012-04-02current
Torrington Distributors INCCVR BK 16.33 STYLE E ANTIM 1003641-011EK041003641-011EK04Boeing 737 series2012-04-02current
Torrington Distributors INCCVR BK 17.83 STYLE A NO ANTI 1003626-001HR011003626-001HR01Airbus A320 series2012-04-02current
Torrington Distributors INCCVR BK 17.83 STYLE A ANTI 1003626-007EW011003626-007EW01Airbus A320 series2012-04-02current
Torrington Distributors INCCVR BK 17.17 STYLE E W/HDRST 1003641-103JC021003641-103JC02Boeing 737 series2012-04-02current

The first 150 of 256.

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.