# SDR ABXA9702009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 23, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N944AX
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47550
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Vlv Act
- Part number: 20219741
- Condition: Failed
- Location: Fuselage
- Part time: 362 hours
- Stage of operation: DE
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA9702009

## Discrepancy

AIRCRAFT LOST PRESSURIZATION IN FLIGHT.  COULD NOT REGAIN PRESSURIZATION WITH AUTO CONTROLLER OR MANUAL MODE UNTIL CABIN REACHED 14,000 FT.  REPLACED OUTFLOW VALVE ACTUATOR IAW DC-9 SUPP MM 21-32-0.

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