# SDR MWEA010169

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 19, 2001
- Submitted: February 22, 2001
- Operation: Air carrier
- Aircraft: N602ME
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 48133
- Aircraft time: 45,132 hours, 30,690 cycles
- System (JASC): [3418 · Stall Warning System](https://openairdocs.org/jasc/3418)
- Part: Stall Warning
- Part number: 80098717
- Part serial: 0903
- Condition: Malfunctioned
- Location: Lt Fuselage
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MWEA010169

## Discrepancy

AFTER GEAR UP, AIRCRAFT FAILED TO PRESSURIZE AND STALL INDICATION FAILURE LIGHT CAME ON AT FLAPS 5 DEGREES.  MAINTENANCE FOUND OUTFLOW VALVE WAS INLOCKED OPEN/MANUAL POSITION ON PEDESTAL.  RETURNED TO OPEN/AUTO POSITION.  ALSO REMOVED AND REPLACED LEFT ANGLE OF ATTACK SENSOR.

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