Service difficulty report · Fan · Boeing 767322

Difficulty date
August 24, 2025
Submitted
August 26, 2025
Operation
Air carrier
Aircraft
N671UA
Make and model
Boeing 767322
Aircraft serial
30026
Aircraft time
89,837 hours, 18,018 cycles
Part
Fan
Part number
732591D
Part serial
1914
Condition
Failed
Location
Zone 100
Part time
730,541 hours, 704,317 cycles
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

SMOKE/FUMES SMELLED ON FLIGHT DECK AND IN FORWARD GALLEY.FWD EQ EXH FAN STATUS MESSAGE. CREW AND FA'S AT FORWARD GALLEY SMELL ELECTRICAL ACRID SMELL ON AND OFF WITH AN ASSOCIATED VIBRATION AT RIGHT FORWARD GALLEY FLOOR. PERFORMED CONDITIONAL INSPECTION PER AMM 05-51-56, FOUND P6-4 C/B H21 POPPED, FWD EQUIPT COOLING EXT FAN. FAN IDENTIFIED AS SOURCE OF ODOR. REPLACED FAN PER AMM 21-58-06, OPS CKS COMPLETED. NO ADDITIONAL ODOR NOTICED.