# SDR ASAA2023083044874

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 30, 2023
- Submitted: September 5, 2023
- Operation: Air carrier
- Aircraft: [N428AS](https://openairdocs.org/aircraft/N428AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36353
- Aircraft time: 27,282 hours, 8,545 cycles
- System (JASC): [2600 · Fire Protection System](https://openairdocs.org/jasc/2600)
- Part: Control Panel
- Part number: 355A534012
- Part serial: F07665
- Condition: Faulty
- Location: Fire
- Part time: 13,938 hours, 4,352 cycles
- Stage of operation: CR
- 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/ASAA2023083044874

## Discrepancy

FAULT LIGHT ILLUMINATED DURING APU START ATTEMPT @ FL 350 SUCCESSFUL CSS ACCOMPLISHED DURING DESCENT, AFTER FAULT LIGHT EXTINGUISHED, @ FL 310. GROUNDED - YES. R&R OF APU FIREPANEL, GOOD APU START, NO FAULTS. PER SEAMC JEREMY OK TO CLEAR MEL 49-1B. PLACARDS REMOVED.

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