Service difficulty report · Chiller · Airbus A321253NX

Difficulty date
July 16, 2026
Submitted
July 20, 2026
Operation
Air carrier
Aircraft
N422AN
Make and model
Airbus A321253NX
Aircraft serial
10159
Aircraft time
21,459 hours, 5,841 cycles
Part
Chiller
Part number
276502
Part serial
PH00341773
Condition
Odor
Location
Zone 900
Part time
1,413 hours, 392 cycles
Stage of operation
NR
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 NOT GROUNDED: AFT CHILLER WAS MAKING LOTS OF NOISE AND THEN HAD A SLIGHT BURNING SMELL SO FLIGHT ATTENDANTS SHUT IT OFF. MAINENANCE REPLACED CHILLER PER AMM 25-34-51 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.

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