# SDR AALA20011969

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 2001
- Submitted: December 20, 2001
- Operation: Air carrier
- Aircraft: [N787AL](https://openairdocs.org/aircraft/N787AL), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30010
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: GEN3014
- Condition: Failed
- Location: Lt Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20011969

## Discrepancy

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)

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