# SDR ASAA2015101213473

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2015
- Submitted: October 15, 2015
- Operation: Air carrier
- Aircraft: [N596AS](https://openairdocs.org/aircraft/N596AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35688
- Aircraft time: 28,504 hours, 8,804 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 71211997101AC
- Part serial: 9960331
- Condition: Failed
- Location: Cabin Pressure
- Part time: 8 hours, 4 cycles
- Stage of operation: TX
- 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/ASAA2015101213473

## Discrepancy

IN AUTO, RECEIVED AUTO FAIL AND ALTN LIGHTS.  UNABLE TO ADJUST LAND ALT AND FLT ALT. WORK IN ALTN MODE.  ACFT GROUNDED. REPLACED NR 1 CABIN PRESSURE CONTROLLER REF AMM 21-31-01.

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