# SDR CALA2017061201795

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2017
- Submitted: June 12, 2017
- Operation: Air carrier
- Aircraft: [N432UA](https://openairdocs.org/aircraft/N432UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 587
- Aircraft time: 70,843 hours, 27,226 cycles
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Circuit Breaker
- Part number: 630CC01Y1
- Condition: Failed
- Stage of operation: CL
- How discovered: O
- Nature of condition: G, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2017061201795

## Discrepancy

CIRCUIT BREAKER 1PH TRIPPED DURING TAKEOFF.  EMERGENCY DECLARED. REPLACED CIRCUIT BREAKERS 8PH, 31XE AND 1PH IAW AMM 24-62-55. POWERED AIRCRAFT WITH EXTERNAL POWER, APU AND ENGINES FOR 1 HOUR. ACCOMPLISHED AN EMERGENCY GENERATOR CHECK . NO FAULTS FOUND.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.