# SDR IPXA2014082984089

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 24, 2014
- Submitted: August 29, 2014
- Operation: Air carrier
- Aircraft: [N284UP](https://openairdocs.org/aircraft/N284UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48541
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 29680
- Part serial: 53
- Condition: Failed
- Location: E/E Bay
- Stage of operation: CR
- 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/IPXA2014082984089

## Discrepancy

WITH AVIONICS AIR FLOW OFF, CREW REPORTED SMOKE IN THE COCKPIT.  EMERGENCY DECLARED. DIVERTED.  FOUND NR 1 AV RACK FAN AT FAULT IAW AMM 21-26-03-00.  R & R NR 1 AND NR 2 AV RACK FAN IAW AMM21-26-02-201.  TEST EDIAW AMM 21-26-02-201, TASK 700-801.  BOTH 1 AND 2 AV RACK FAN, OPS NORMAL.

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