Service difficulty report · Fan · Boeing 777223

Difficulty date
January 6, 2023
Submitted
January 9, 2023
Operation
Air carrier
Aircraft
N798AN
Make and model
Boeing 777223
Aircraft serial
30797
Aircraft time
82,590 hours, 10,733 cycles
Part
Fan
Condition
Failed
Location
Recirculation
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS GROUNDED: DURING CRUISE FLT ELECTRICAL SMELL AND SOME SMOKE. RECIRCULATION FANS WERE TURNED OFF. TECH ADVISES THE UPPER FORWARD RECIRCULATION FAN IS THE ISSUE. FOUND UPPER RECIRCULATION FAN FAILED. REMOVED AND REPLACED FAN PER AMM 21-25-01-000-801.