# SDR DALA2025051203645

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2025
- Submitted: May 12, 2025
- Operation: Air carrier
- Aircraft: [N352NW](https://openairdocs.org/aircraft/N352NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 778
- Aircraft time: 78,956 hours, 37,500 cycles
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Buss
- Condition: Abnormal
- Location: Ac System
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025051203645

## Discrepancy

SHIP 3252 DISC: WHILE CLOSING CIRCUIT BREAKERS FOR BREAK SELECTOR VALVE REPLACEMENT, AC 2 BUS DROPPED OFF-LINE. ATTEMPTED RESETS, NO HELP. UPON INITIATING BPCU BITE THROUGH CFDS, THE 123VU PANEL SPARKED. C/A: REF HANGAR VISIT P334905220250503 NR 32 FOR CORRECTIVE ACTIONS. (LP: 7166697)

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