# SDR QXEA2016121600796

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 15, 2016
- Submitted: December 16, 2016
- Operation: Air carrier
- Aircraft: N404QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4046
- Aircraft time: 37,671 hours, 39,444 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Warning Light
- Condition: Illuminated
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA2016121600796

## Discrepancy

CPCS FAULT LIGHT ILLUMINATED IN FLIGHT. CYCLED DUMP/MAN/AUTO SELECTOR PER FAULT ANNUNCIATOR ON PRESSURIZATION CONTROLLER EMERGENCY CHECKLIST. FAULT LIGHT EXTINGUISHED AND AUTO PRESSURIZATION OPERATED NORMALLY. ACCOMPLISHED FSM CPCS FAULT RESET VERIFICATION PROCEDURE FAULT ANNUNCIATOR DID NOT RE-ILLUMINATE. RETURNED TO SERVICE. NO PARTS REPLACED.

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