# SDR ASAA2015012910480

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2015
- Submitted: February 2, 2015
- Operation: Air carrier
- Aircraft: [N563AS](https://openairdocs.org/aircraft/N563AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35180
- Aircraft time: 31,613 hours, 9,639 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Warning Light
- Condition: False Activation
- Stage of operation: TX
- 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/ASAA2015012910480

## Discrepancy

FOUND AUTO FAIL & ALTN LIGHT ON AT PREFLIGHT ON PRESSURIZATION PANEL.  ACFT GROUNDED. SELECTED CONTROL PANEL TO MANUAL THEN RETURNED TO AUTO AND ALL FAULT INDICATIONS EXTINGUISHED.  BITE CHECKS OF PRESSURE CONTROLLER 1 AND 2 SHOWS NO CURRENT FAULTS. NO HISTORY LAST 30 DAYS, REF 21-31-827 AND 21-31-801.

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