# SDR AWXA0001567

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2001
- Submitted: April 2, 2001
- Operation: Air carrier
- Aircraft: [N322AW](https://openairdocs.org/aircraft/N322AW), registered now
- Make and model: Boeing 737-3G7
- Registry model: [Boeing 737-3G7](https://openairdocs.org/model/boeing-737-3g7) (OpenAirDocs)
- Aircraft serial: 25400
- Aircraft time: 32,252 hours, 22,140 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 322684003
- Part serial: 07850528
- Condition: Failed
- Location: Cabin Pressure
- Part time: 8,547 hours, 5,296 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AWXA0001567

## Discrepancy

SJC - AIR TURNBACK - 3/26/01 - THE AIRCRAFT EXPERIENCED A VIBRATION FROM THE LEFT SIDE OF THE FUSELAGE AND RETURNED TO SJC.  TECHNICIANS WERE SENT FROM PHX WHO PERFORMED A VISUAL INSPECTION OF THE AIRCRAFT - FOUND NO DISCREPANCIES.  REMOVED AND REPLACED THE FWD OUTFLOW VALVE AS THE MOST LIKELY CAUSE; ALSO REPLACED THE EQUIPMENT COOLING VALVE AS A PRECAUTION; NO FURTHER VIBRATIONS NOTED.  PART: VALVE, EQUIP. COOLING EXHAUST - MFG: ABLE CORP. - P/N: 31040 - S/N: 1149 - LOC: FWD E/E COMP - COND: PRECAUTION - T.T.: 2576 - T.C.: 1680

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