# SDR IPXA2014051682968

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 2014
- Submitted: May 16, 2014
- Operation: Air carrier
- Aircraft: [N583UP](https://openairdocs.org/aircraft/N583UP), registered now
- Make and model: Boeing 747-4R7F
- Registry model: [Boeing 747-4R7F](https://openairdocs.org/model/boeing-747-4r7f) (OpenAirDocs)
- Aircraft serial: 25867
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Condition: Odor
- Location: Cockpit
- Stage of operation: CL
- 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/IPXA2014051682968

## Discrepancy

DURING CLIMB OUT, SMELLED FUMES LIKE ELECTRICAL BURNED WIRES.  RAN SMOKE, FIRE, FUMES, QRH, ISOLATED RT UTILITY BUSS, FUMES DISSAPATED.  ACCOMPLISHED AMM TASK 05-51-56 SMOKE AND FUMES IN CABIN AND FIM PROCEDURE 21-00-00-812-810.  FOUND MESSAGE 21716, REPLACED FLIGHT DECK VENT FAN.  PERFORMED REPAIR CONFIRMATION RAN ALL REQUIRED SYSTEMS IAW FIM 21-00-00-812-810.  ALL INDICATIONS NORMAL.  NO FUMES OR SMOKE APPEARED.

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