# SDR ASAA1058249

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2010
- Submitted: September 8, 2010
- Operation: Air carrier
- Aircraft: [N590AS](https://openairdocs.org/aircraft/N590AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35687
- Aircraft time: 9,878 hours, 3,101 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: 761574B
- Part serial: AAAH005425
- Condition: Faulty
- Location: Nr 1 Engine
- Part time: 9,883 hours, 3,102 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/ASAA1058249

## Discrepancy

NR 1 GEN DRIVE LIGHT IS DARK WITH ENGINES OFF.  LIGHT TEST CHECKS OK.  REPLACED NR 1 ENG IDG IAW AMM 24 11 11, OPS CHECK NORMAL.

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