# SDR ASAA2016041716434

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2016
- Submitted: April 19, 2016
- Operation: Air carrier
- Aircraft: [N519AS](https://openairdocs.org/aircraft/N519AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36482
- Aircraft time: 27,859 hours, 8,308 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: 761574B
- Part serial: AAAH005382
- Condition: Failed
- Location: Nr 1
- Part time: 26,924 hours, 8,392 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016041716434

## Discrepancy

ON PREFLIGHT, NR 1 IDG DRIVE LIGHT NOT ILLUMINATED WITH NR 1 ENGINE NOT RUNNING.  ACFT GROUNDED.  REPLACED THE NR 1 IDG IAW AMM 24-11-11.

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