Service difficulty report · Chiller · Boeing 767322

Difficulty date
March 2, 2025
Submitted
March 4, 2025
Operation
Air carrier
Aircraft
N641UA
Make and model
Boeing 767322
Aircraft serial
25091
Aircraft time
129,680 hours, 19,986 cycles
Part
Chiller
Condition
Smoke
Location
Zone 900
Stage of operation
IN
How discovered
V
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

AFT CHILLERS SMOKING WITH SMELL REF TO LP 4024883 THIS CHILLER WAS REPLACED FOR THE SAME ISSUES.. REF LOGPAGE 4024883, ISOLATED ISSUE TO AFT GALLEY UPPER CHILLER. INSPECTED BOTH UPPER AND LOWER CANNON PLUGS AND ASSC'D WIRE HARNESSES FOR SIGNS OF BURNING OR ARCING, NONE FOUND. ALSO, ISOLATED GALLEY VENT FAN 1 AND 2 FOR T/S, NO ABNORMALTIES NOTED. FOUND BAD ODER PRESENT WHEN ONLY UPPER CHILLER WAS RUNNING. ODOR DISSAPATED AFTER PULLING UPPER CHILLER CB'S. ODOR DID NOT RETURN. THIS LOG IS CLOSED. SEE 4024883 FOR MEL REOPENINING.