# SDR AALA202108103173

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 2021
- Submitted: August 11, 2021
- Operation: Air carrier
- Aircraft: [N785AN](https://openairdocs.org/aircraft/N785AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30005
- Aircraft time: 78,345 hours, 9,614 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 4100945B
- Condition: Failed
- Location: Recirculation
- Stage of operation: CR
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202108103173

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: TEMPORARY BURNING SMELL IN FIRST CLASS CABIN, FOLLOWED BY RECIRC FAN MESSAGE ON EICAS. REPLACED FWD UPPER RECIRCULATION FAN IAW AMM 21-25-01, OPS CHECK GOOD.

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