# SDR AALA20120228015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2012
- Submitted: March 1, 2012
- Operation: Air carrier
- Aircraft: [N771AN](https://openairdocs.org/aircraft/N771AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 29579
- Aircraft time: 53,822 hours, 7,122 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Condition: Malfunctioned
- Location: Cabin
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20120228015

## Discrepancy

LHR  (REPEAT ITEM)  CREW REPORTED ELECTRICAL SMELL IN FIRST CLASS CABIN.  FLIGHT LANDED LHR WITHOUT INCIDENT.  FOUND UPPER FORWARD RECIRCULATION FAN CIRCUIT BREAKER POPPED.  PLACARD RECIRCULATION FAN INOPERATIVE PER MEL 21-3A/2-681C-C.  REPLACED RECIRCULATION FAN AT DFW ON 02/29/2012.  SYSTEM GROUND CHECK NORMAL OPERATION.

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