# SDR ASAA0752442

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 29, 2007
- Submitted: December 31, 2007
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 3,238 hours, 977 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: 761574B
- Condition: Malfunctioned
- Location: Nr 2 Engine
- 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/ASAA0752442

## Discrepancy

NR 2 DRIVE LIGHT DOES NOT ILLUMINATE WHEN ENGINE SHUT DOWN.  FOUND IDG OVERSERVICED.  DRAINED 1.5QTS OUT OF IDG.  RESET AND RAN ENGINES, NO HELP.  REPLACED NR 2 IDG.  OFF IDG FILTERS SHOW NO CONTAMINATION.  NO HELP FOR LIGHT.  RESET NR 2 GCU CB BITE CHECK GOOD.  LEAK OPS & DRIVE LIGHT CHECKS GOOD.

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