# SDR ASAA2018073025545

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2018
- Submitted: July 31, 2018
- Operation: Air carrier
- Aircraft: [N590AS](https://openairdocs.org/aircraft/N590AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35687
- Aircraft time: 40,063 hours, 12,140 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: NR
- 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/ASAA2018073025545

## Discrepancy

PRESSURE CONTROLLER SHOWED AUTO FAIL QRH FOLLOWED. GROUNDED - YES. CYCLED PRESSURE CONTROLLER SELECTOR FROM AUTO TO MANUAL & FAULT CLEARED. RAN PRESSURE CONTROLLER 1 & 2 BITE PER AMM 21-31-00 - NO FAULTS NOTED.

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