Service difficulty report · Exhaust Fan · Boeing 7673CB

Difficulty date
August 31, 2025
Submitted
September 2, 2025
Operation
Air carrier
Aircraft
N685UA
Make and model
Boeing 7673CB
Aircraft serial
33467
Aircraft time
76,439 hours, 13,331 cycles
Part
Exhaust Fan
Condition
Odor
Location
Zone 100
Stage of operation
IN
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.

What was found

DUE TO ODOR IN CABIN, PERFORM CONDITIONAL INSPECTIONS PER AMM 05-51-56 COMPLIED WITH REQUIREMENTS DETAILED IN AMM05-51-56-940-801-C1. FROM CREW DEBRIEFING THE SOURCE OF ODOR WAS DETERMINED TO BE THE E/E EQUIPMENT EXHAUST FAN. ITEM CORRECTED ON LOG6118228.

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