# SDR TWAA0008204

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2000
- Submitted: June 9, 2000
- Operation: Air carrier
- Aircraft: [N919TW](https://openairdocs.org/aircraft/N919TW), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49368
- Aircraft time: 44,093 hours, 22,535 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Motor
- Part number: 20220142
- Condition: Damaged
- Location: Outflow Valve
- Stage of operation: DE
- How discovered: V
- Nature of condition: J
- Precautionary procedure: G
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWAA0008204

## Discrepancy

DURING DESCENT HAD A CABIN PRESSURIZATION PROBLEM.  PASSENGER OXYGEN MASKS DROPPED.  FERRY TO MCI FOR CORRECTIONS.  AC04  01-28-00  DFW.  REPLACED THE OUTFLOW VALVE MOTOR.  FOUND THE TACH WINDINGS OF THE MOTORS WERE OPEN.

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