Service difficulty report · Fire Loop · Boeing 7478F

Difficulty date
July 26, 2025
Submitted
August 13, 2025
Operation
Air carrier
Aircraft
N614UP
Make and model
Boeing 7478F
Aircraft serial
64260
Aircraft time
24,969 hours, 3,653 cycles
Part
Fire Loop
Condition
False Activation
Location
Zone 100
Stage of operation
DE
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

WHEEL WELL FIRE INDICATION AT GEAR DOWN. REMOVED AND REPLACED THE LEFT BODY GEAR WHEEL WELL FIRE LOOPS M691 AND M694 IN REF TO THE AMM 26-17-02-000-801 ALL OPS CHECKS ARE GOOD AT THIS TIME . ALSO REMOVED AND REPLACED THE DUCT LEAK WHEEL WELL CTL CARD ASSY IN REF TO AMM 26-10-01 OPS CHECKS ARE GOOD.

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