# SDR 95ZZZX1957

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N94UX
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE94
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Circuit Board
- Part number: 1143641407
- Condition: Failed
- Location: Environ System
- Part time: 2,345 hours
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95ZZZX1957

## Discrepancy

ISN - THE CREW ELECTED AN AIR TURN-BACK AFTER THE LEFT ENVIRONMENTAL FAIL ANNUNCIATOR ILLUMINATED.  AN UNEVENTFUL LANDING WAS ACCOMPLISHED.  MAINTENANCE REPLACED THE PC BOARD.  RAN AIRCRAFT AND OPS CHECKED GOOD.

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