# SDR YYFA2012F00209

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2012
- Submitted: October 3, 2012
- 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: 42,794 hours, 29,755 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Cabin Pressure
- Condition: Malfunctioned
- Stage of operation: CR
- 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/YYFA2012F00209

## Discrepancy

EMERGENCY DESCENT FROM FL 340 DUE TO RISING CABIN ALTITUDE OF ABOVE 10K, FLOW LIGHT AND CABIN ALT MASTER WARNING ON.  CREW COMPLIED WITH MEMORY/QRM ITEMS, RESUMED FLIGHT IN MANUAL.

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