# SDR UPS96521383

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N424UP](https://openairdocs.org/aircraft/N424UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25369
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Cooling Fan
- Condition: Defective
- Location: Nr 1 Flight Deck
- Stage of operation: CR
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS96521383

## Discrepancy

INSPECTION TYPE-N/A, STRONG ELECTRICAL BURNING SMELL FROM UNDER FORWARD PANEL BOTH SIDES AFTER 1HR 30M FLT TIME.  UNABLE TO DETERMINE CAUSE.  FOUND NR 1 FD EQUIP COOLING SUPPLY FAN BAD.  DEFERRED PER MEL 21-58-04.

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