# SDR PNSA050906

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 26, 2005
- Submitted: September 29, 2005
- Operation: Air carrier
- Aircraft: [N676PA](https://openairdocs.org/aircraft/N676PA), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 316
- Aircraft time: 29,775 hours
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Indicator
- Part number: 522783
- Part serial: 08850072
- Condition: Faulty
- Location: Cabin Pressure
- 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/PNSA050906

## Discrepancy

WHILE ON CLIMBOUT AIRCRAFT CABIN PRESSURIZATION STARTED MAKING FULL SCALE FLUCTUATIONS OR HAD NO INDICATION AT ALL.  PILOT REPORTED , ALSO THAT IT SEEMED TO HAVE NO POWER.  CREW ELECTED TO RETURN TO DEPARTURE AIRPORT AND A UNEVENTFUL LANDING WAS ACCOMPLISHED.  MX DISCOVERED A FAULTY CABIN PRESSURE INDICATOR, PART WAS REPLACED AND OPS CHECKED NORMAL.

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