Airworthiness Directives

234 FAA ADs published since 1998 for Boeing 737-400, matched to the aircraft and engine models they may apply to. AI-extracted — verify against original; applicability must be confirmed by a mechanic against the aircraft's records.

2026-13-13NavigationJul 1, 2026
2026-09-12FuselageJun 17, 2026
2025-02-02FuselageMar 17, 2025
2024-23-03Flight controlsJan 6, 2025
2024-18-08Equipment/ furnishingsNov 15, 2024
2023-13-12OxygenSep 5, 2023
2022-24-09Air conditioningJan 26, 2023
2022-25-15WingsJan 26, 2023
2022-21-05Auto flightNov 10, 2022
2022-05-04NavigationFeb 24, 2022
2021-25-05FuselageFeb 22, 2022
2021-26-03FuselageFeb 22, 2022
2021-10-11WingsJul 29, 2021
2021-08-14Auto flightJun 2, 2021
2021-08-12WingsMay 28, 2021
2021-08-04OxygenMay 26, 2021
2020-26-09WingsJan 27, 2021
2020-26-04FuselageJan 25, 2021
2020-17-04Equipment/ furnishingsSep 29, 2020
2020-16-51PneumaticAug 26, 2020
2020-14-03WingsAug 27, 2020
2020-02-16FuselageMar 18, 2020
2019-25-55Equipment/ FurnishingsJan 21, 2020
2019-23-14Fuel; 47, Nitrogen Generation SystemJan 21, 2020
2019-23-12WingsJan 13, 2020
2019-15-07FuselageSep 19, 2019
2019-16-12WingsOct 9, 2019
2019-14-15FuselageSep 19, 2019
2019-14-02Hydraulic powerAug 27, 2019
2019-13-02FuselageAug 23, 2019
2019-10-03FuselageJul 11, 2019
2019-09-01Ice and rain protectionJun 26, 2019
2019-08-03FuselageJun 17, 2019
2019-08-02FuselageJun 13, 2019
2019-03-24FuselageApr 8, 2019
2019-01-06FuselageMar 19, 2019
2018-21-08The Boeing Company AirplanesNov 20, 2018
2018-19-20FuselageOct 31, 2018
2018-18-13WingsOct 18, 2018
2018-18-03Doors; 53, FuselageOct 15, 2018
2018-17-23FuselageOct 4, 2018
2018-16-09FuselageSep 10, 2018
2018-12-05WingsJul 13, 2018
2018-10-12Wings; 53, FuselageJun 7, 2018
2018-09-13WingsJun 19, 2018
2018-09-08FuselageJun 8, 2018
2018-09-01WingsJun 4, 2018
2018-04-12FuelApr 9, 2018
2018-04-08FuselageApr 3, 2018
2018-04-06FuselageMar 30, 2018