Service difficulty report · Fire Loop · Boeing 747475

Difficulty date
February 3, 2000
Submitted
July 5, 2000
Operation
Air carrier
Make and model
Boeing 747475
Aircraft time
39,255 hours
Part
Fire Loop
Condition
Chafed
Location
Apu
Part time
42,038 hours, 54,260 cycles
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

(CAN) APU FIRE WARNING CAME ON DURING CLIMB FIRE BOTTLE DISCHARGED AND STILLWARNING ON A/C RETURNED. FOUND WIRING CHAFFED AND SHORTED BENEATH SUPPORT CLAMP. REPAIRED.