# SDR MEX2003035

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2003
- Submitted: March 6, 2003
- Operation: Air carrier
- Aircraft: [N945AS](https://openairdocs.org/aircraft/N945AS), registered now
- Make and model: Doug MD 83
- Registry model: [Doug MD 83](https://openairdocs.org/model/mcdonnell-douglas-md-83) (OpenAirDocs)
- Aircraft serial: 49643
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Gcu
- Condition: Failed
- Location: Left
- Part time: 65,226 hours, 19,523 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MEX2003035

## Discrepancy

FLT 198 - MLM-TIJ - AIRCRAFT RETURNED TO GATE, FAIL LIGHT AC/CROSSTIE LOCK-OUT OFF RESET PROCEDURE WS PERFORMED AND LIGHT WAS TURN OFF, BUT LIGHT L GEN OFF APPEARS.  GCU WAS NOT POSSIBLE RESET AND ENGINES WERE SHUTDOWN.  REPORT WAS DEFERRED UNDER MEL 24-1-1 AND AIRCRAFT WAS REFUELED.  DURING OVERNIGHT SERVICE, GENERATOR (P/N 976J252-8) AND GCU WERE CHANGED IAW MM 24-20-01, ALL CORRECT. (M)

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