# SDR DXTA2012070505027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2012
- Submitted: July 5, 2012
- Operation: Air carrier
- Aircraft: [N641QS](https://openairdocs.org/aircraft/N641QS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605295
- Aircraft time: 8,402 hours, 6,588 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Motor
- Part number: 7003400
- Part serial: 0376
- Condition: Burned
- Location: Recirc Fan
- Part time: 8,402 cycles
- Stage of operation: CL
- 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/DXTA2012070505027

## Discrepancy

AFTER TAKEOFF, CLIMBING THROUGH 10000 FT, COCKPIT RECIRC FAN WAS SWITCHED ON HI.  A STRONG ODOR OF BURNING AND MELTED PLASTIC WAS NOTED.  FAN WAS TURNED OFF, BUT ODOR CONTINUED AND SEEMED TO GET STRONGER.  NO SMOKE WAS NOTED.  CO-PILOT NOTED A RATTLING SOUND COMING FROM THE RECIRCULATION FAN WHEN IT WAS ON.  PERFORMED ENG RUN , NO NOTICEABLE ODOR OF MELTED PLASTIC IN COCKPIT OR CABIN , COCKPIT RECIRULATION FAN HAS BAD BEARING DEFECTIVE UNIT ORDERED NEW FAN ASSY, R & R COCKPIT RECIRC FAN IAW MM 21-22-00.  OPS CHECKED NORMAL.

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