# SDR ASAA2016072917550

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2016
- Submitted: August 1, 2016
- Operation: Air carrier
- Aircraft: [N534AS](https://openairdocs.org/aircraft/N534AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35202
- Aircraft time: 22,117 hours, 6,459 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Warning Message
- Condition: False Activation
- Stage of operation: CR
- 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/ASAA2016072917550

## Discrepancy

FRM 21312100 CABIN ALTITUDE IS AT 7000 FT AND DIFFERENTIAL PRESSURE IS AT 8.5 PSI.  AIRCRAFT WAS FLOWN AT FL380.   ACFT GROUNDED.  PERFORMED FIM 21-33 TASK 803, OPS NORMAL.

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