As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - LEFT GENERATOR TRIPPED OFF IN FLIGHT, DID NOT RESET. SERVICED LT AND RT IDGS AND APU. A/C RESTRICTED TO 120 MINS ETOPS. CHANGED LT GCU, PERFORMED ENGINE RUN UP NO HELP. SHOWS MAINTENANCE MSG 24-31611 IDG LT EXCITER FIELD CURRENT IS OUT OF RANGE. REPLACED LEFT ENGINE IDG OPS AND LEAK CHECK GOOD. (M)