# SDR AALA201808229041

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2018
- Submitted: August 22, 2018
- Operation: Air carrier
- Aircraft: [N793AN](https://openairdocs.org/aircraft/N793AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30255
- Aircraft time: 71,650 hours, 9,106 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 4100945A
- Part serial: 0809
- Condition: Odor
- Location: Recirculation
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201808229041

## Discrepancy

ELECTRICAL BURNING ODOR IN FIRST CLASS, 2L DOOR AREA. TURNED OFF POWER PORTS AND ODOR DISAPATED.  THEAIRCRAFT WAS GROUNDED.   MAINTENANCE ACCOMPLISHED CARD 05-96-70, FOUND RIGHT RECIRCULATION FAN OVERHEAD MESSAGE FAULT AND REPLACED THE RIGHT UPPER RECIRCULATION FAN IAW MM 21-25-01, AND PERFORMED SATISFACTORY OPERATIONAL CHECK. NO ODOR NOTED THROUGH OUT CABIN.

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