What was found
AIRCRAFT WAS GROUNDED: RECIRCULATION FAN MESSAGE IN FLIGHT. STRONG ODOR IN MID CABIN. MAINTENANCE FOUND THE UPPER AFT RECIRCULATION FAN FAULTY. REPLACED FAN PER AMM 21-25-01. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.
- Difficulty date
- April 24, 2023
- Submitted
- April 25, 2023
- Operation
- Air carrier
- Aircraft
- N794AN
- Make and model
- Boeing 777223
- Aircraft serial
- 30256
- Aircraft time
- 85,405 hours, 11,116 cycles
- System (JASC)
- 2121 · Air Distribution Fan
- Part
- Fan
- Part number
- 4100945B
- Condition
- Faulty
- Location
- Zone 200 - Fuse
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.