# SDR AALA202509238758

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2025
- Submitted: September 23, 2025
- Operation: Air carrier
- Aircraft: [N403AN](https://openairdocs.org/aircraft/N403AN), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 8780
- Aircraft time: 21,525 hours, 5,972 cycles
- System (JASC): [2400 · Electrical Power System](https://openairdocs.org/jasc/2400)
- Part: Contactor
- Part number: 564CA04F10Y00
- Condition: Failed
- Location: Zone 200
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202509238758

## Discrepancy

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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