# SDR SWAA2016072754258

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2016
- Submitted: July 27, 2016
- Operation: Air carrier
- Aircraft: [N726SW](https://openairdocs.org/aircraft/N726SW), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27858
- Aircraft time: 62,150 hours, 36,426 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Valve
- Part number: 396498
- Condition: Stuck
- Location: Rt A/C Pack
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2016072754258

## Discrepancy

AIRCRAFT CANNOT MAINTAIN PRESSURIZATION.  AIR TURNBACK.   FOUND FLIGHT PACK VALVE TO BE INTERMENITTENT.  R & R RIGHT PACK VALVE PER MM.

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