CFM CFM56 Airworthiness Directives

Every AD in the library whose text names the CFM CFM56, of which 2,346 are registered in the US.

55 not superseded, 14 of them with a repeat action. 71 listed in all, newest published March 22, 2024.

Published sinceHide 16 supersededOnly repeat actions55 of 71

2018-26-01Requires the same initial and repetitive inspections but revises the compliance time for the initial inspections and revises the installation prohibition based on the updated compliance timeTurbine engine compressor section · EngineSupersedes 2018-18-01Repeat actionDec 26, 2018
2017-14-08Requires initial and repetitive checks of the variable stator vane (VSV) actuation system in the high-pressure compressor (HPC)Turbine engine compressor section · EngineRepeat actionJul 14, 2017
2016-02-04Requires initial and repetitive inspections of certain P/N TRFs on the low-pressure turbine (LPT) frame assemblyCFM International S.A. Turbofan Engines · EngineRepeat actionJan 26, 2016
2013-14-06Requires cleaning, inspection, and repair of affected HMUsCFM International, S. A. Turbofan Engines · EngineRepeat actionJul 30, 2013
2010-12-03CFM International, S.A. Models CFM56-3 and -3B Turbofan EnginesEngineRepeat actionJun 8, 2010
2010-09-14CFM International, S.A. CFM56-5B1/P, -5B2/P, -5B3/P, -5B3/P1, -5B4/P, -5B5/P, -5B6/P, -5B7/P, -5B8/P, -5B9/P, -5B1/2P, -5B2/2P, -5B3/2P, -5B3/2P1, -5B4/2P, -5B4/P1, -5B6/2P, -5B4/2P1, and -5B9/2P Turbofan EnginesEngineSupersedes 2009-01-01Repeat actionMay 4, 2010
2010-01-05Requires initial and repetitive eddy current inspections (ECIs) of certain part number (P/N) low-pressure (LP) turbine rear framesCFM International, S.A. CFM56-7B Series Turbofan Engines · EngineRepeat actionJan 14, 2010
2009-18-01Requires initial and repetitive eddy current inspections (ECIs) of certain part number (P/N) low-pressure (LP) turbine rear framesCFM International, S.A. CFM56-5B1/P; -5B2/P; -5B3/P; -5B3/P1; -5B4/P; -5B4/P1; -5B5/P; -5B6/P; -5B7/P; -5B8/P; -5B9/P; -5B1/3; -5B2/3; -5B3/3; -5B4/3; -5B5/3; -5B6/3; -5B7/3; -5B8/3; -5B9/3; -5B3/3B1; and -5B4/3B1 Turbofan Engines · EngineRepeat actionAug 27, 2009
2008-03-09Requires revising the Airworthiness Limitations Section (ALS) in the Engine Shop Manual (ESM) and the air carrier's approved continuous airworthiness maintenance program (CAMP) to add mandatory inspections of certain...CFM International, S.A. CFM56-7B Series Turbofan Engines · EngineRepeat actionFeb 4, 2008
2000-15-01Requires initial and repetitive visual inspections of the fuel pump filter cover helicoil inserts and bolts for damage, and, if necessary, repair or replacement with serviceable partsCFM International CFM56-2, -2A, -2B, -3, -3B, -3C, -5, -5A, -5B, -5C Series Turbofan Engines · EngineRepeat actionAug 2, 2000
98-21-23CFM International, S.A. CFM56-7B Series Turbofan EnginesEngineRepeat actionOct 16, 1998
98-19-20CFM International CFM56-7B and -7B/2 Series Turbofan EnginesEngineRepeat actionSep 22, 1998
89-23-06 R1CFM International CFM56-2, -3, -3B, - 3C, and -5 Series Turbofan EnginesEngineRepeat actionJan 28, 1998
97-06-01Requires removal and replacement of certain stationary number 3 bearing aft air/oil seals as terminating action to the inspection programCFM International, S.A. Engines · EngineRepeat actionApr 4, 1997
2024-06-09Requires replacing certain compressor discharge pressure (CDP) seals, high-pressure compressor (HPC) stage 3 disks, and high-pressure turbine (HPT) rear shaftsEngineMar 22, 2024
2023-05-05Requires removal, inspection, and replacement of the affected HPT inner stationary seal and, depending on the findings, replacement of the rotating air HPT front seal, HPT rotor blades, and NoTurbine engine compressor section · EngineSupersedes 2021-10-09Apr 5, 2023
2022-02-03Turbine engine accessory driveEngineSupersedes 2013-26-01Mar 1, 2022
2021-16-08Requires replacement of affected rotating air HPT front seals installed on CFM CFM56-5B, CFM56-5C, and CFM56-7B model turbofan engines that have fewer cycles since being reconfigured than the engines affected by AD...Turbine section · EngineSupersedes 2019-12-05Aug 24, 2021
2018-09-51Requires a one-time ultrasonic inspection (USI) of the concave and convex sides of the fan blade dovetailEngineMay 23, 2018
2017-05-09Requires removal of the radial drive shaft (RDS) assembly and the RDS outer housing and their replacement with parts eligible for installationAccessory gearboxes · EngineMar 9, 2017
2016-14-10CFM International, S.A. Turbofan Engines Modified by Supplemental Type Certificate SE00034ENEngineSupersedes 2013-02-02Jul 25, 2016
2015-18-04CFM International S.A. Turbofan EnginesEngineOct 19, 2015
2015-04-02Requires modification of the engine by removing full authority digital engine control (FADEC) software, version 7CFM International S.A. Turbofan Engines · EngineFeb 24, 2015
2012-02-03Requires removing from service certain serial number (S/N) fan bladesCFM International, S.A. Turbofan Engines · EngineFeb 9, 2012
2010-13-09Requires removing from service, nine stage 3 low-pressure turbine (LPT) disks, identified by serial number (S/N)CFM International, S.A. CFM56-5, -5B, and -7B Series Turbofan Engines · EngineJun 21, 2010
2009-11-02Requires removing certain HPC 4-9 spools listed by P/N and SN in this ADCFM International S.A. Model CFM56 Turbofan Engines · EngineMay 19, 2009
2007-24-04Requires that the same P/N LPT conical support be removed from service before reaching the new, relaxed cyclic life limit of 20,000 CSNCFM International, S.A. CFM56-5C4/1 Series Turbofan Engines · EngineSupersedes 2001-17-14Nov 21, 2007
2007-03-15Requires the same actions but for an increased population of affected EGT harnessesCFM International CFM56-5 and -5B Series Turbofan Engines · EngineSupersedes 2003-02-04Feb 12, 2007
2006-26-01Requires replacing certain fuel filters manufactured under parts manufacturer approvals (PMA)CFM International, S.A. CFM56 Series Turbofan Engines · EngineDec 19, 2006
2005-10-05Requires removing certain part number (P/N) air turbine starters from serviceCFM International CFM56-5, -5B, and -5C Series Turbofan Engines · EngineMay 10, 2005
97-09-02 R3CFM International, S.A. EnginesEngineSupersedes 97-09-02 R2Sep 9, 2004
2004-10-13CFM International, S.A. CFM56-2-C, -3 Series, and -5 Series Turbofan EnginesEngineMay 20, 2004
2002-16-18CFM International CFM56-5B and -7B Series Turbofan EnginesEngineAug 14, 2002
2002-13-03CFM International (CFMI) CFM56-2, -2A, -2B, -3, -3B, -3C, -5, -5B, -5C, and -7B Series Turbofan EnginesEngineSupersedes 2000-12-01Jun 27, 2002
2002-02-13CFM International, S.A. CFM56-5 Series Turbofan EnginesEngineFeb 14, 2002
2001-11-05CFM International (CFMI) CFM56-2, -2B, -3, -5B, -5C and -7B Series Turbofan EnginesEngineJun 1, 2001
2001-09-17CFM International (CFMI) CFM56-5C Turbofan EnginesEngineSupersedes 2001-08-51May 9, 2001
2001-04-06CFM International, S.A. CFM56-3, -3B, and -3C Series Turbofan EnginesEngineFeb 28, 2001
2001-02-12CFM International (CFMI) Model CFM56-7B Turbofan EnginesEngineJan 30, 2001
2000-05-22CFM International CFM56-2, -2A, -2B, -3, -3B, and -3C Series Turbofan EnginesEngineMar 28, 2000
99-06-16CFM International CFM56-5 Series Turbofan EnginesEngineMar 22, 1999
98-14-51Requires checks of the Accessory Gearbox (AGB)/Transfer Gearbox (TGB) Magnetic Chip Detector (MCD) for abnormal magnetic particles that indicate a pending starter gearshaft failure, and, removal from service of...CFM International CFM56-7B Series Turbofan Engines · EngineSep 16, 1998
98-19-10CFM International CFM56-3, -3B, and -3C Series Turbofan EnginesEngineSep 11, 1998
98-12-32Requires a one-time eddy current inspection (ECI) for cracks or gouges in certain high pressure turbine rotor (HPTR) disksCFM International CFM56-2, -2A, -2B, - 3, -3B, and -3C Series Turbofan Engines · EngineJun 19, 1998
98-10-11CFM International CFM56-3, -3B, -3C, - 5, -5B, and -5C Series Turbofan EnginesEngineMay 19, 1998
98-07-02CFM International CFM56-2, -3, -3B, and -3C Series Turbofan EnginesEngineMar 30, 1998
98-02-04Requires a reduction of the low cycle fatigue (LCF) retirement life for certain low pressure turbine (LPT) casesCFM International CFM56-5B/2P Series Turbofan Engines · EngineJan 21, 1998
97-08-01Requires a reduction of the low cycle fatigue (LCF) retirement lives for certain fan disksCFM International CFM56-3, -3B, and -3C Series Turbofan Engines · EngineApr 22, 1997
97-05-13Requires rework of the air turbine engine starterCFM International, S.A. Engines · EngineApr 4, 1997
96-25-11Requires the installation of redesigned fan blades as a terminating action to the thrust level limitations of this ADCFM International, S.A. Engines · EngineDec 30, 1996
96-18-16Requires part number reidentification of certain low pressure turbine rotor (LPTR) stub shafts and conical supports, and reduction of the low cycle fatigue (LCF) retirement lives for these reidentified partsCFM International, S.A. Engines · EngineOct 10, 1996
91-02-10CFM International, S.A. EnginesEngineFeb 11, 1991
90-20-13CFM International, S.A. EnginesEngineOct 14, 1990
86-08-05 R1CFM International, S.A. EnginesEngineJul 7, 1986
84-26-03CFM International, S.A. EnginesEngineFeb 22, 1985

Listed by the model designations in each AD's text. An AD written for a part number, or for "all" engines of a maker, may name no model and so not appear here: search the library for the part or the maker as well.