# SDR 98ZZZM609

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N859CA](https://openairdocs.org/aircraft/N859CA), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE128
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Switch
- Part number: 1143810035
- Condition: Failed
- Location: Lt Wing Root
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZM609

## Discrepancy

LEFT ENVIRONMENTAL FAIL ON TAKEOFF.  OVERPRESSURE SWITCH FAILURE.  REPLACED LT ENVIRONMENTAL OVERPRESSURE SWITCH.  (M)

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