# SDR AALA201912029018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2019
- Submitted: December 2, 2019
- Operation: Air carrier
- Aircraft: [N792AN](https://openairdocs.org/aircraft/N792AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30253
- Aircraft time: 77,209 hours, 9,778 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Ducted Fan
- Part number: 4100945
- Part serial: 0950
- Condition: Failed
- Location: Recirculation
- Stage of operation: NR
- 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/AALA201912029018

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS RECIRC FAN STATUS MESSAGE FLIGHT ATTENDANT REPORT SLIGHT SMELL BURNING IN THE CABIN. SMELL WENT AWAY AFTER A SHORT WHILE. MAINTENANCE ACCOMPLISHED JOB CARD 05-96-70. REPLACED AFT UPPER RECIRC FAN, OPS CHECKED NORMAL IAW AMM 21-25-00.

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