# SDR ASAA2019070229895

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 2, 2019
- Submitted: July 3, 2019
- Operation: Air carrier
- Aircraft: [N593AS](https://openairdocs.org/aircraft/N593AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35107
- Aircraft time: 42,844 hours, 12,927 cycles
- System (JASC): [2430 · DC Generating System](https://openairdocs.org/jasc/2430)
- Part: Pcu
- Part number: 115195216
- Part serial: 030C1048
- Condition: Failed
- Location: Cockpit
- Part time: 35,803 hours, 12,624 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019070229895

## Discrepancy

ELEC LIGHT CAME ON DURING START. GROUNDED - YES. SPCU INOP LOGGED. REPLACED SPCU & OPS NML REF AMM 24-34-11-400-801. RAN #1 ENG & VERIFIED FAULT DID NOT RETURN. GROUND VERIFICATION GOOD.

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