Service difficulty report · Circuit Card · Boeing 75724APF

Difficulty date
February 23, 2015
Submitted
February 25, 2015
Operation
Air carrier
Aircraft
N454UP
Make and model
Boeing 75724APF
Aircraft serial
25475
Aircraft time
31,007 hours, 15,335 cycles
Part
Circuit Card
Part number
35008138
Part serial
C239
Condition
Faulted
Location
Fire Detection
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
F

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

What was found

WHEEL WELL FIRE LGT ON EICAS MESSAGE WHEEL WELL FIRE DISPLAYED. LIGHT EXTINGUISHES AFTER GEAR EXTENSION, LIGHT REMAINED ON FOR APPROXIMATELY 15 MINS, ALSO, DUCT LEAK LP STATUS MSG WAS DISPLAYED. PERFORMED MAIN GEAR BRAKES INSP IAW AMM 32-41-10-601, FOUND ALL MAIN GEAR BRAKES NORMAL AND NO FIRE OCCURRENCE FOUND. PERFORMED WING AND BODY DUCT LEAK CHECK IAW AMM 36-11-00/501, NO LEAK FOUND. REFER DUCT LEAK LP STATUS MSG, T/S IAW FIM 26-18-00-813-802, FROM BLOCK 1, 10, 2, 3, 4, 11, 12, 23.

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