# SDR ASAA2016030615765

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2016
- Submitted: March 8, 2016
- Operation: Air carrier
- Aircraft: [N486AS](https://openairdocs.org/aircraft/N486AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44107
- Aircraft time: 1,788 hours, 579 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: 761574B
- Part serial: AAAH004552
- Condition: Failed
- Location: Nr 2
- Part time: 34,916 hours, 10,893 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016030615765

## Discrepancy

DURING TAXI OUT NR 2 GENERATOR DRIVE LIGHT AND MASTER CAUTION ILLUMINATED.  RETURNED TO GATE.  ACFT GROUNDED. TROUBLESHOOT FOUND IDG FAULT LIGHT ON GCU NR 2.  PERFORMED FIM 24-21 TASK 806, R & R NR 2 ENGINE IDG REF AMM 24-11-11, OPS & LEAK CHECKED GOOD.

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