# SDR ASAA2023100945526

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2023
- Submitted: October 12, 2023
- Operation: Air carrier
- Aircraft: [N407AS](https://openairdocs.org/aircraft/N407AS), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 41731
- Aircraft time: 41,146 hours, 12,849 cycles
- System (JASC): [2430 · DC Generating System](https://openairdocs.org/jasc/2430)
- Part: Control Unit
- Part number: 115195219
- Part serial: 115195251031
- Condition: Faulty
- Location: Flight Deck
- Part time: 26,194 hours, 8,067 cycles
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023100945526

## Discrepancy

ELEC AMBER LIGHT ON OVERHEAD PANEL ILLUMINATED. GROUNDED - YES. PERFORMED TROUBLESHOOTING PER REF FIM 24-31 TASK 801 AND FIM 34-31 TASK 802 AND FOUND SPCU TO BE INOP.  REMOVED AND REPLACED SPCU PER AMM 24-34-11-000-801 AND AMM 24-34-11-400-801.  OPS CHECK GOOD.  NO FURTHER FAULTS NOTED.

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