What was found
ENGINES FAILED TO SET 93.5 N1 ON TAKEOFF, ONLY ACHIEVED 93.0. TEMPERATURE DROPPED FROM OAT 22C TO 13C. PERFORMED A BITE AND FAULTS LOGGED 73-43850 AND 73-43855, PERFORMED IFIM TASK G73-21-00-810, NO CURRENT FAULTS ACTIVE, SUSPECT RAPID TEMP DROPPED IN EXCESS OF 9 DEGREES CELSIUS VARIES FROM TAT TO T12 READINGS; SYSTEM CHECKS NORMAL.