# SDR ASAA2021070735297

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2021
- Submitted: July 8, 2021
- Operation: Air carrier
- Aircraft: [N487AS](https://openairdocs.org/aircraft/N487AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44108
- Aircraft time: 21,007 hours, 6,565 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: 761574B
- Part serial: AAAH011765
- Condition: Failed
- Location: Nr 1
- Part time: 21,007 hours, 6,565 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021070735297

## Discrepancy

#1 IDG INOP. FOUND NO OIL ON SIGHT GLASS. GROUNDED - YES. R/R ENG #1 IDG REF B737-900 AMM 24-11-11 OPS CHK GOOD REF AMM 24-11-00.

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