Service difficulty report · Contactor · Airbus A321253NX

Difficulty date
September 21, 2025
Submitted
September 23, 2025
Operation
Air carrier
Aircraft
N403AN
Make and model
Airbus A321253NX
Aircraft serial
8780
Aircraft time
21,525 hours, 5,972 cycles
Part
Contactor
Part number
564CA04F10Y00
Condition
Failed
Location
Zone 200
Stage of operation
CL
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: FLIGHT CREW REPORTED AN ELECTRICAL SMELL DURING CLIMB INITIALLY BUT THEN DISSIPATED AND DID NOT REOCCUR UNTIL AFTER LANDING. WHILE TROUBLESHOOTING AN ELECTRICAL TR 2 ECAM FAULT THAT OCCURRED INFLIGHT, MAINTENANCE FOUND THE TR2 CONTACTOR 14PU WAS BURNT, REPLACED THE CONTACTOR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 24-32-55 WITH NO ODORS OR FAULTS NOTED.

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