# SDR 016041

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2004
- Submitted: January 15, 2004
- Operation: Air carrier
- Aircraft: N210CJ
- Make and model: Beech 1900C
- Registry model: [Beech 1900C](https://openairdocs.org/model/beech-1900c) (OpenAirDocs)
- Aircraft serial: UC110
- Aircraft time: 24,066 hours, 34,538 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Computer
- Condition: Malfunctioned
- Location: Yaw Damper
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/016041

## Discrepancy

RT ENVIR OFF LIGHT FAILS TO ILLUMINATE WITH BLEED AIR VALVE IN OFF POSITION ELECTRICAL ODOR IN MAIN CABIN.  SOURSE OF ODOR YAW DAMP COMPUTER.  YAW DAMP COMPUTER DEFERRED PER MEL 22-1 CAT C.

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