# SDR AALA202405204769

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2024
- Submitted: May 20, 2024
- Operation: Air carrier
- Aircraft: [N462AA](https://openairdocs.org/aircraft/N462AA), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 11057
- Aircraft time: 6,584 hours, 1,765 cycles
- System (JASC): [2497 · Electrical Power System Wiring](https://openairdocs.org/jasc/2497)
- Part: Contactor
- Part number: 558CA04A30Y00
- Condition: Defective
- Location: Zone 200 - Fuse
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202405204769

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO LAX DUE TO THE FLIGHT CREW REPORTING THAT DURING CRUISE SEVERAL ECAM MESSAGES' FWC #2' SDAC#2 DMC #2 APPEARED ALONG WITH OTHER ASSOCIATED FAULTS. LATER ON, DURING FOLLOW UPS FOUND A TRIPPED C/B ON 123 VU PANEL. THE AIRCRAFT LANDED SAFELY AT LAX WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED CIRCUIT BREAKER 3XN2 (AALA202405208322), CONTACTOR 9XU2 (AALA202405204769) AND CONTACTOR 11XU2 (AALA202405206953). A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO FAUL MESSAGES NOTED.

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