# SDR YENA20121130659

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2012
- Submitted: December 5, 2012
- Operation: Air carrier
- Aircraft: [N809JB](https://openairdocs.org/aircraft/N809JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 5349
- Aircraft time: 142 hours, 54 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Cooling Fan
- Part number: 20092455102
- Part serial: MA36982
- Condition: Seized
- Location: E&E Bay
- Part time: 129 hours, 48 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA20121130659

## Discrepancy

FLT 253 BOS-DFW, CREW DECLARED EMERGENCY AND DIVERTED TO IAD DUE TO AFT AVIONICS RACK SMOKE INDICATION CAME IN FLIGHT.  (AVIONIC SMOKE DET SYS-AFT AVIONICS CARGO RACK (LTV) )FOUND AFT RACK COOLING FAN ASSY SEIZED & TERMINAL LUG ON T1 WIRE 9842 OVERHEATED.  REMOVED AND REPLACED COOLING FAN ASSY.  RE-TERMINATED T1 TERMINAL ON WIRE 9842.  OPS CHECKS GOOD.  ALL WORK WAS IAW AMM 26-15-01 & 23-39-00.  WD 23-39-00 DWG 99FS933302.

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