# SDR SWAA2024032165896

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2024
- Submitted: March 21, 2024
- Operation: Air carrier
- Aircraft: [N925WN](https://openairdocs.org/aircraft/N925WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36630
- Aircraft time: 51,901 hours, 31,427 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Gcu
- Part number: UNKNOWN
- Condition: Inoperative
- Location: Zn 100
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2024032165896

## Discrepancy

FL 410 #1 DRIVE AND SOURCE OFF LIGHT<[01] R/R #1 GCU REF AMM 24-21-81. RAN ENGINE AT IDLE PER AMM 71-00-00; OPS CK GOOD. SEE TTG8Q00S84GP FOR PART R/R

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