Service difficulty report · Fire Warning · Boeing 747123

Difficulty date
September 3, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N673UP
Make and model
Boeing 747123
Aircraft serial
20325
Part
Fire Warning
Condition
Malfunctioned
Location
Nr 3 Engine
Stage of operation
CR
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

INSPECTION TYPE, NR 3 ENGINE FIRE LIGHT AND FIRE WARNING BELL CAME ON BRIEFLY 1 TO 2 SECONDS, 4 TIMES DURING THE 7 HOUR FLIGHT. NACELLE TEMP, EGT AND ALL OTHER PARAMETERS NORMAL. INSPECTED NR 3 ENGINE FIRE LOOPS AND PERFORMED TEST IAW MM 26-11-00, NO FAULTS DETECTED AND OPS OK.