# SDR AALA20170130011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2017
- Submitted: January 30, 2017
- Operation: Air carrier
- Aircraft: [N780AN](https://openairdocs.org/aircraft/N780AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 29956
- Aircraft time: 66,823 hours, 8,413 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 4100945A
- Part serial: 1286
- Condition: Faulty
- Location: Zone 200
- Part time: 26,872 hours, 3,014 cycles
- Stage of operation: CR
- 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/AALA20170130011

## Discrepancy

AIRCRAFT WAS GROUNDED. STRONG ELECTRICAL ODOR NOTED AROUND R2/L2 AREA AND AFT SECTION OF FIRST CLASS. RECIRCULATION FAN WAS MANUALLY TURNED OFF AND ODOR WENT AWAY. REMOVED AND REPLACED UPPER FORWARD RECIRCULATION FAN IAW AMM 21-25-01. OPERATIONAL CHECK GOOD.

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