Originally Posted by
punkalouver
Exactly. We could have the same aircraft be compliant on one flight but not on the next flight. It can depend on other items such as the maintenance performed(eg. each engine having oil service from a different technician). While the company is allowed to use all of its 777 on ETOPS flights, proof that the aircraft is ETOPS compliant is confirmed by the large E stamped in the logbook while there is no E in the logbook for the same aircraft on the shorter flights. No E in the logbook, no ETOPS allowed.
At AA there has to be a sign-off in the tech log that the ETOPS check has been completed. Should the airplane not be ETOPS compliant due to a MEL, a placard has to be posted in the tech log.