# SDR ASAA20181227577

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 25, 2018
- Submitted: December 27, 2018
- Operation: Air carrier
- Aircraft: [N532AS](https://openairdocs.org/aircraft/N532AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36346
- Aircraft time: 33,309 hours, 9,919 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: 761574B
- Part serial: AAAH004775
- Condition: Faulted
- Location: Nr 2
- Part time: 41,976 hours, 14,577 cycles
- Stage of operation: TX
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA20181227577

## Discrepancy

COULD NOT GET GENERATOR ON #2 ENGINE ON-LINE AFTER ENGINE START. GROUNDED - YES. PERFORMED A #2 GCU BITE PER B737-800 FIM 24-21 TASK 801. FOUND IDG FAULT, AND RESET IT. STARTED #2 ENGINE AND HAD 0 VOLTS/AMPS. SHUTDOWN AND FOUND #2 GCU WITH IDG FAULT ILLUMINATED. REMOVED AND REPLACED #2 ENG IDG REF B737-800 AMM 24-11-11. OPS & LK CK'D GOOD.

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