boaclhryul asked if I was making a broad comment....
It was broad but look at the Chinook, JSF and other machines having problems with electronics software updates.
The 777......
"
If you read the entire AD, what it says is that the anomaly was introduced by an error in a certain software update for the FADEC on the LR. However, because the -300 has an identical software update, it could presumably cause the same problems on that aircraft as well......"
"Some would be surprised that the FAA should allow an ETOPS aircraft with a defect that reduces engine power by up to 77 percent on takeoff to be considered serviceable. In theory, an engine with FADEC version A.0.4.5 installed has a defect that can't be cleared and is therefore unserviceable. Others might wonder how such safety critical software can make it through the validation and verification regime into world-wide fleet service. Overall, it's shades of the previous GE90 "rollback" and IFSDs (inflight shutdowns) from earlier days. The only difference was in those cases, it was in cruise and was caused by moisture freezing in the P3B and PS3 lines to the FADEC, and it was resolved by increasing the tubing diameters. Perhaps the software now needs uppercase zeroes and ones in its coding -- or a larger pitch font."
Air Safety Week, Oct 9, 2006
Last edited by aviate1138; 16th Mar 2008 at 19:11.
Reason: typo