# SDR ASAA2016022015577

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2016
- Submitted: February 22, 2016
- Operation: Air carrier
- Aircraft: [N581AS](https://openairdocs.org/aircraft/N581AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35188
- Aircraft time: 33,901 hours, 10,268 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Warning Light
- Part number: UNKNOWN
- Condition: False Activation
- Location: Cabin Pressure
- Stage of operation: NR
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016022015577

## Discrepancy

AUTO FAIL LIGHT ILLUMINATED ON PRESSURIZATION PANEL.  ACFT GROUNDED.  ACCOMPLISHED FIM 21-31, TASK 827 AUTO FAIL LIGHT ON.  NR 2 CPC FAULTED ON GROUND, CABIN PRESSURE CONTROL MODULE NR 1 NO FAULTS.  SWITCHED TO MANUAL THEN BACK TO AUTO, FAIL LIGHT EXTINGUISHED. PERFORMED DCPC BITE AND TEST REF FIM 21-31, TASK 803, NO EXISTING FAULTS AND OPS CHECKED NORMAL.  CABIN PRESS CONTROL MODULE FAULT CLEARED NR 2 CPC.

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