# SDR ASAA2014052507903

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2014
- Submitted: May 29, 2014
- Operation: Air carrier
- Aircraft: [N579AS](https://openairdocs.org/aircraft/N579AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35187
- Aircraft time: 27,807 hours, 8,278 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: 761574B
- Part serial: AAAH002937
- Condition: Failed
- Location: Nr 1 Engine
- Part time: 39,023 hours, 14,346 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: P
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2014052507903

## Discrepancy

NR 1 ENGINE DRIVE LIGHT IS NOT ON WHILE AT GATE WITH ENGINE NOT RUNNING.  ACFT GROUNDED.  REMOVED NR 1 ENGINE IDG, INSTALLED SERVICEABLE IDG, LEAK AND OPS CHECKED GOOD IAW MM 24-11-11.

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