# SDR ASAA2015110213601

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2015
- Submitted: November 4, 2015
- Operation: Air carrier
- Aircraft: [N508AS](https://openairdocs.org/aircraft/N508AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35691
- Aircraft time: 27,893 hours, 8,538 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Warning Light
- Condition: False Activation
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015110213601

## Discrepancy

IN CRUISE GOT "AUTO FAIL" PRESSURIZATION LIGHT, IAW CHECKLIST WENT TO ALTN MODE. PRESSURIZATION NORMAL.  ACFT GROUNDED.  BITE CHECK OF CPC NR 1 SHOWED NO FAULTS, AND SYSTEM TEST OK.  CPC NR 2 SHOWED FAULT CODE 032 LRU FAIL.  ACCOMPLISHED FIM 21-31/824, SYSTEM TEST OK AND FAULT RESET.  FAULT WAS ONLY ON FLT LEG 00.  NO OTHER FAULT HISTORY. GROUND VERIFICATION SATISFACTORY.  ALL SYS OP NORMAL, REF FIM 21-31/824, 21-31/801.

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