# SDR XA1R0711110001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 2, 2011
- Submitted: July 12, 2011
- Operation: General aviation
- Aircraft: [N447DB](https://openairdocs.org/aircraft/N447DB), registered now
- Make and model: Beech C90A
- Registry model: [Beech C90A](https://openairdocs.org/model/beech-c90a) (OpenAirDocs)
- Aircraft serial: LJ1656
- Aircraft time: 1,750 hours, 1,448 cycles
- Engine: Pwa PT6*
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Blower
- Part number: 903840311
- Part serial: 1796
- Condition: Seized
- Location: Cabin Air
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/XA1R0711110001

## Discrepancy

CABIN VENTILATION BLOWER MOTOR SEIZED CAUSING SMOKE IN COCKPIT AND MELTING OF OUTER HYD BRAKE LINE PLASTIC CHAFE PROTECTION SLEEVING; LINE FOUND RESTING ON MOTOR. CIRCUIT PROTECTION (CURRENT LIMITER-30 AMP) DID NOT OPEN POSSIBLY DUE TO BLOWER SELECTED TO "LOW" POSITION.

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