# SDR AALA20110626LHR01

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 26, 2011
- Submitted: June 29, 2011
- Operation: Air carrier
- Aircraft: [N765AN](https://openairdocs.org/aircraft/N765AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 32879
- Aircraft time: 34,155 hours, 4,459 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Condition: Inoperative
- Location: Cabin
- Stage of operation: DE
- 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/AALA20110626LHR01

## Discrepancy

LHR - CREW REPORTED STATUS MESSAGE RECIRC FAN DISPLAYED ON LOWER EICAS DURING DESCENT WITH ASSOCIATED SMELL OF SOMETHING BURNING THROUGHOUT CABIN.  FLIGHT LANDED LHR WITHOUT INCIDENT.  AFT UPPER RECIRC FAN DEFERRED INOPERATIVE PER MEL 21-03.  CIRCUIT BREAKER PULLED AND COLLARED.  REPLACED AFT UPPER RECIRCULATION FAN AT DFW ON 06/27/2011.  SYSTEM GROUND CHECK NORMAL OPERATION.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.