# SDR ASAA2019012627938

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2019
- Submitted: January 29, 2019
- Operation: Air carrier
- Aircraft: [N483AS](https://openairdocs.org/aircraft/N483AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36350
- Aircraft time: 13,815 hours, 4,561 cycles
- System (JASC): [2430 · DC Generating System](https://openairdocs.org/jasc/2430)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019012627938

## Discrepancy

AFTER BOTH ENGINES START ON PUSHBACK, PSEU LIGHT ILLUMINATED. FOLLOWED QRH PROCEDURES AND PSEU LIGHT DID NOT EXTINGUISH WITH MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED PSEU BITE IDENTIFIED NON DISPATCHABLE FAULTS 31-52108 AND 31-52109. CYCLED A/C POWER. PSEU BITE NOW OK, NO FAULTS. SECONDARY INDICATION ELEC LIGHT ILLUMINATED WITH SPCU-1 FAULT. ACCOMPLISHED ELEC BITE PER FIM 24-31 TASK 801, FAULT CLEARED. ACFT OK FOR SERVICE REF FIM 32-09 TASK 801 FOR PSEU BITE CHECK.

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