# SDR ASAA2016122819181

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2016
- Submitted: January 4, 2017
- Operation: Air carrier
- Aircraft: [N581AS](https://openairdocs.org/aircraft/N581AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35188
- Aircraft time: 36,910 hours, 11,153 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: 761574B
- Part serial: AAAH006043
- Condition: Failed
- Location: Nr 1 Engine
- Part time: 28,098 hours, 9,350 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: P
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016122819181

## Discrepancy

NR 1 ENGINE DRIVE LIGHT DOES NOT ILLUMINATE WITH ENGINE SHUTDOWN, BULB TESTS GOOD. GROUNDED - YES. REMOVED AND REPLACED THE NR 1 ENGINE IDG, REF AMM 24-11-11/401. NO LEAKS NOTED. OPERATIONAL CHECK COMPLETE AND CHECKS GOOD.

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