# SDR CA991116013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Boeing 757-28A
- Registry model: [Boeing 757-28A](https://openairdocs.org/model/boeing-757-28a) (OpenAirDocs)
- Engine: Rroyce RB211535E437
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Flow Valve
- Part number: 396401
- Condition: Failed
- Location: Rt Pack
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA991116013

## Discrepancy

(CAN) AIRCRAFT RETURNED DUE UNABLE TO PRESSURIZE.  AFT CABIN DOOR SEAL FOUND ADRIFT.  LEFT PACK UNDER MEL UNABLE TO PRESSURZIZE.  REPLACED RIGHT PACK FLOW CONTROL VALVE.

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