Service difficulty report · Circuit Breaker · Boeing 75733N

Difficulty date
April 11, 2026
Submitted
April 13, 2026
Operation
Air carrier
Aircraft
N57863
Make and model
Boeing 75733N
Aircraft serial
32587
Aircraft time
73,826 hours, 22,493 cycles
Part
Circuit Breaker
Condition
Tripped
Stage of operation
TX
How discovered
O
Nature of condition
S
Precautionary procedure
O

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

What was found

DURING LT ENG START, LT GEN FAILED. RESET SUCCESSFUL. LT RECIRC FAN INOP. FOUND LT RECIRC FAN CB ON P70 PANEL TRIPPED. RESET CB, LT RECIRC FAN FUNCTIONS NORMALLY. RAN BOTH ENGINES AND HAD NORMAL START AND POWER TRANSFER OPERATIONS. NO HISTORY FOR L RECIRC FAN CB TRIP. OK TO CONTINUE.

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