# SDR Q2SA753008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2011
- Submitted: January 19, 2011
- Operation: Air carrier
- Aircraft: N753SA
- Make and model: Boeing 747228F
- Aircraft serial: 21787
- Aircraft time: 120,284 hours, 23,744 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 6054577
- Part serial: 1256178
- Condition: Faulty
- Location: Cockpit
- Part time: 3,981 hours, 930 cycles
- Stage of operation: CR
- 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/Q2SA753008

## Discrepancy

FLIGHT DECK FAN IS BURNED UP.  SEVERE ELECTRICAL BURNING SMELL WHEN TURNED ON.  FOLLOW UP TO ASSIGNED DI 23969 - REMOVED AND REPLACED FLIGHT COMPARTMENT AIR RECIRCULATING FAN IAW B747 AMM 21-25-06, OPS CHECK GOOD.  THIS CLEARS DI 23969 - PLACARD REMOVED.

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