# SDR 2005UALA00585

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2005
- Submitted: June 28, 2005
- Operation: Air carrier
- Aircraft: [N481UA](https://openairdocs.org/aircraft/N481UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1559
- Aircraft time: 11,695 hours, 5,042 cycles
- Engine: Iae V2527A5
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Blower
- Part number: EVT3454H
- Part serial: 4863
- Condition: Smoke
- Location: E/E Bay
- Part time: 11,695 hours, 5,042 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: B, E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2005UALA00585

## Discrepancy

VIBRATIONS & RUMBLING NOISE UNDER FLT DECK ACCOMPANIED BY SMOKE.  FOUND AVIONICS BLOWER FAN 20HQ FAILED.  REPLACED FAN.

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