# SDR O2GA2017102486401

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2017
- Submitted: October 24, 2017
- Operation: Air carrier
- Aircraft: N864UP
- Make and model: Beech B300
- Registry model: [Beech B300](https://openairdocs.org/model/hawker-beechcraft-b300) (OpenAirDocs)
- Aircraft serial: FL1064
- Aircraft time: 914 hours, 795 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Blower
- Part number: 30002611
- Part serial: TM1873501
- Condition: Defective
- Location: Cabin
- Part time: 914 hours, 795 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/O2GA2017102486401

## Discrepancy

AIRCRAFT COCKPIT FILLED WITH SMOKE ON TAXI OUT. CREW SHUT OFF ECS AND BLEED AIR VALVES. SMOKE STOPPED ENTERING THE COCKPIT. MAINTENANCE REPLACED A DEFECTIVE AFT CABIN, FORWARD EVAPORATOR BLOWER ASSEMBLY. AIRCRAFT WAS RETURNED TO SERVICE.

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