Service difficulty report · Fire Loop · Boeing 747123

Difficulty date
August 28, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N676UP
Make and model
Boeing 747123
Aircraft serial
20101
Part
Fire Loop
Condition
Out Of Position
Location
Nr 1 Engine
Stage of operation
TO
Nature of condition
N
Precautionary procedure
K

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

What was found

INSPECTION TYPE-N/A, NR 1 ENG LOOP 'A' FAULT DETECTOR ILLUMINATED INTERMITTENTLY FROM T/O UNTIL FL 180 DEG. NEEDLE WAS ERRATIC BOTTOM SCALE TO TOP OF SCALE EGDT OF NR 1 AT 855 DEG C ON T/O M29-15. REROUTED NR 1 FIRE LOOP, OPS CKD GOOD PER MM 26-10-00.