# SDR ASAA1150850

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2011
- Submitted: December 27, 2011
- Operation: Air carrier
- Aircraft: [N588AS](https://openairdocs.org/aircraft/N588AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35685
- Aircraft time: 15,503 hours, 4,943 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: 761574B
- Part serial: AAAH003380
- Condition: Failed
- Location: Nr 1 Engine
- Part time: 13,478 hours, 5,148 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1150850

## Discrepancy

NR 1 IDG LIGHT NOT ILLUMINATED WITH ENGINE OFF.  REPLACED IDG REF AMM 24 11 11 OPERATIONAL TEST FOR NR 1 IDG GOOD REF AMM 24 11 10.

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