Originally Posted by
J-Class
A user on AVHerald posted a question which merits an answer from the pilots here:
It must be true that if this accident had begun on the ground, there could not have been injuries from cabin decompression.
Is there any merit in the argument that stressing engines to the max on the ground from time to time would be a good idea?
When operating flex takeoffs, there's a requirement to assure that max thrust is still available on the engine when(if) required. Traditionally that was done via requiring a full power (non flex) takeoff periodically (100 flights). Today, operators can also use trend monitoring programmes to keep an eye on engine wear and react before they would have failed the full piower check.
All of this however is intended to check that you can get full rated thrust without breaching ITT limits (the normal problemthat occurs first on a "worn" engine is failing to be able to do so); it was never seen as a check on fatigue life remaining. So by that logic, using trend monitoring in lieu of the full power check is entirely reasonable.