# SDR AALA20021025

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2002
- Operation: Air carrier
- Aircraft: [N772AN](https://openairdocs.org/aircraft/N772AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 29580
- Engine: Rroyce RB211*
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Idg
- Part number: GEN3014
- Condition: Failed
- Location: Left Engine
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20021025

## Discrepancy

FOUR HOURS INTO FLIGHT, LEFT GENERATOR FAILED.  REPLACED LEFT GCU PER MM. REPLACEMENT TEST PASSED MESSAGE CLEARED.  LEFT GEN SYS STILL INOPERATIVE ON ENGINE RUN MESSAGE AND NO VOLT OUTPUT.  REPLACED LEFT IDDG PER MM.  LEAK AND GEN SYS OPS TEST OK.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.