# SDR AALA20160327001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2016
- Submitted: March 28, 2016
- Operation: Air carrier
- Aircraft: N176AA
- Make and model: Boeing 757223
- Aircraft serial: 32395
- Aircraft time: 46,277 hours, 13,175 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20160327001

## Discrepancy

AIRCRAFT WAS NOT GNDED.  DURING DESCENT FROM FL340 TO FL200 RECEIVED CABIN ALTITUDE WARNING.  CABIN ALTITUDE WENT TO 10500.  INITIATED IMMEDIATE DESCENT TO 10000.  ACCOMPLISHED AMM 21-31-02 TEST ON BOTH CABIN ALTITUDE CONTROLLERS WITH NO FAULT FOUND.  OK FOR SERVICE.

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