# SDR IPXA2019070844198

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2019
- Submitted: July 10, 2019
- Operation: Air carrier
- Aircraft: [N257UP](https://openairdocs.org/aircraft/N257UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48451
- Aircraft time: 75,713 hours, 15,566 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Cooling Fan
- Part number: 29680
- Part serial: 538
- Condition: Defective
- Location: E&E Bay
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2019070844198

## Discrepancy

INSPECTION TYPE:N/A ELEC SMELL FROM FWD AVIONICS COMPARTMENT. REPLACED # 1 AVIONICS COOLING FAN REF MM 21-26-02 . P/N 29680 S/N OFF 538 , S/N ON 562 IPC 21-26-15-01-545.  AIRCRAFT OK FOR SERVICE.

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