# SDR ASAA2018110926811

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2018
- Submitted: November 14, 2018
- Operation: Air carrier
- Aircraft: [N459AS](https://openairdocs.org/aircraft/N459AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36352
- Aircraft time: 18,839 hours, 6,222 cycles
- System (JASC): [2430 · DC Generating System](https://openairdocs.org/jasc/2430)
- Part: Pcu
- Part number: 115195219
- Part serial: 115195250366
- Condition: Failed
- Location: Cockpit
- Part time: 18,835 hours, 6,219 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018110926811

## Discrepancy

ON PREFLIGHT FOUND "ELEC" LIGHT ILLUMINATED ON ELECTRICAL OVERHEAD PANEL. GROUNDED - YES. PERFORMED FIM 24-24 TASK 802 FOUND SPCU FAULT WILL NOT CLEAR. REMOVED & REPLACED SPCU REF AMM 24-34-11 OPS CKS GOOD.

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