SDR CALA2017061201795

Service difficulty report · Circuit Breaker · Airbus A320232

Difficulty date: June 12, 2017
Submitted: June 12, 2017
Operation: Air carrier
Aircraft: N432UA
Make and model: Airbus A320232
Aircraft serial: 587
Aircraft time: 70,843 hours, 27,226 cycles
System (JASC): 2450 · AC Power Distribution System
Part: Circuit Breaker
Part number: 630CC01Y1
Condition: Failed
Stage of operation: CL
How discovered: O
Nature of condition: G, J
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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.

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