# SDR YYFA20130109001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2013
- Submitted: March 25, 2013
- Operation: Air carrier
- Aircraft: N836NK
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53045
- Aircraft time: 43,078 hours, 29,980 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Cabin Pressure
- Condition: Malfunctioned
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: G
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YYFA20130109001

## Discrepancy

CABIN ALTITUDE CLIMBED UNCONTROLLED, DECENDED QRH COMPLETED, CABIN ALT EXCEEDED 12,000 FT, CABIN O2.

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