CFM56-7 LOTC Events
**** Hidden Message ***** CFM56-7<BR>LOTC<BR>Events<BR>CFM56-5C China All Operators Meeting 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 2<BR>CFM56-7B LOTC Events Dec. 2001 - Mar. 2002<BR>• December 24, 2001<BR>- Description - Engine rolled back during cruise<BR>- Result - Airplane diversion<BR>- Maintenance Action - EEC replaced<BR>- Root Cause - EEC Memory Corruption (DFDR data duplicated by CFMI testing)<BR>• December 30, 2001<BR>- Description - At top of decent engine remained at part power<BR>- Result - Commanded In Flight Shutdown<BR>- Maintenance Action - HMU and EEC Replaced<BR>- Root Cause - EEC Memory Corruption (DFDR data duplicated by CFMI<BR>testing)<BR>• January 5, 2002<BR>- Description - Engine rolled sub-idle during lightning strikes<BR>- Result - Uneventful single engine landing<BR>- Maintenance Action - EEC sent to BAE as precaution -<BR>- Root Cause - Disturbances at the engine inlet caused by lightning strikes<BR>CFM56-5C China All Operators Meeting 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 3<BR>CFM56-7B LOTC Events Dec. 2001 - Mar. 2002<BR>• February 15, 2002<BR>- Description - Engine rolled back during taxi out<BR>- Result - Aborted Takeoff<BR>- Maintenance Action - N2 sensor replaced. N2 sensor had been installed for<BR>15 hours. N2 sensor may not have been repaired.<BR>- Root Cause - N2 Sensor (Waiting sensor repair results)<BR>• February 23, 2002<BR>- Description - N1 split during takeoff roll<BR>- Result - Aborted Takeoff<BR>- Maintenance Action - TBD<BR>- Root Cause - Under Investigation (Decoded DFDR data was corrupted -<BR>DFDR ground station being investigated by Boeing)<BR>CFM56-5C China All Operators Meeting 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 4<BR>CFM56-7B LOTC Events Dec. 2001 - Mar. 2002<BR>• March 13, 2002<BR>- Description - N1 rolled back at 35,000 ft. - recovered - and rolled back<BR>again. Engine stayed at idle during thrust reverser operation. After<BR>stowing the thrust reverser the engine rolled sub-idle and shutdown.<BR>- Result - Air turn back<BR>- Maintenance Action - EEC replaced<BR>- Root Cause - EEC Memory Corruption (DFDR data duplicated by CFMI<BR>testing)<BR>• March 19, 2002<BR>- Description - Aircrew reported engine would not respond to throttle prior<BR>to takeoff<BR>- Result - Aborted Takeoff<BR>- Maintenance Action - PEO sensor replaced<BR>- Root Cause - Under Investigation (PEO sensor to be returned for<BR>investigation)回复 1# 航空 的帖子
CFM56-7 Starter Reliability :victory: :victory: CFM56-7 LOTC Events CFM56-7 LOTC Events 谢谢楼主谢谢楼主谢谢楼主谢谢楼主谢谢楼主
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