# SDR ASAA2022123041331

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 30, 2022
- Submitted: January 3, 2023
- Operation: Air carrier
- Aircraft: [N409AS](https://openairdocs.org/aircraft/N409AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41733
- Aircraft time: 35,811 hours, 11,423 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: 761574B
- Part serial: AAAH009230
- Condition: Faulted
- Location: Nr 2
- Part time: 35,830 hours, 11,428 cycles
- Stage of operation: CR
- 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/ASAA2022123041331

## Discrepancy

GEN 2 DRIVE LIGHT ILLUMINATED IN FLIGHT. PER ASA QRH DISCONNECTED DRIVE. GROUNDED - YES. #2 ENG IDG DIFFERENTIAL PRESSURE INDICATOR POPPED. REMOVED AND REPLACED #2 ENG IDG REF B737-900 AMM 24-11-11-400-801.

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