What was found
AIRCRAFT RETURNED TO PLATFORM DURING TAXI DUE TO AN INDICATION OF 500 DEGREES IN EGT ON THE LEFT ENGINE. FCU WAS ADJUSTED IAW MM AND TESTED OK. FCU WAS REPLACED BY N1, N2 AND EPR OSCILATIONS. TESTS WERE PERFORMED IAW MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT RETURNED TO PLATFORM DURING TAXI DUE TO AN INDICATION OF 500 DEGREES IN EGT ON THE LEFT ENGINE. FCU WAS ADJUSTED IAW MM AND TESTED OK. FCU WAS REPLACED BY N1, N2 AND EPR OSCILATIONS. TESTS WERE PERFORMED IAW MM.