# SDR AC2R2018040201

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2018
- Submitted: April 2, 2018
- Operation: General aviation
- Filed by: [Chevron USA, Production Company Aviation Maintenan, repair station AC2R685K](https://openairdocs.org/faa-repair-station/AC2R685K/chevron-usa-production-company-aviation-maintenan.md) (OpenAirDocs)
- Aircraft: [N639MM](https://openairdocs.org/aircraft/N639MM), registered now
- Make and model: Agusta AW139
- Registry model: [Agusta AW139](https://openairdocs.org/model/agustawestland-philadelphia-aw139) (OpenAirDocs)
- Aircraft serial: 41216
- Aircraft time: 7,138 hours
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 3G2150V533
- Part serial: 166100182
- Condition: Overheated
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: M, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AC2R2018040201

## Discrepancy

PRIOR TO CRUISE CLEARANCE, PILOTS NOTICED A STRONG ELECTRICAL OVERHEAT ODOR WITH A SIMULTANEOUS FWD FAN CAS MESSAGE. NO SMOKE OR FLAMES WERE NOTED.  CREW COMPLIED WITH QRH.  REPLACED THE PILOT'S COCKPIT FAN.

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