# SDR ASAA1150658

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2011
- Submitted: November 15, 2011
- Operation: Air carrier
- Aircraft: [N570AS](https://openairdocs.org/aircraft/N570AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35185
- Aircraft time: 18,163 hours, 5,440 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: 761574B
- Part serial: AAAH004749
- Condition: Defective
- Location: Nr 1 Engine
- Part time: 17,538 hours, 5,533 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1150658

## Discrepancy

NR 1 GEN DRIVE LIGHT NOT ILLUMINATED WITH ENGINE OFF.  DUPLICATED DEFECT.  RANG OUT NR 1 IDG PRESS S/W AT  DP1206 FOUND HIGH RESISTANCE AT S/W.  ALSO JUMPED OUT PLUG PIN 5 & 6 AND DRIVE LIGHT COME ON.  REF WDM:24 11 11.  REPLACED NR 1 IDG REF AMM 24 11 11.  OPS AND LEAK CHECKED GOOD REF AMM 24 11 00 700 802.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
