Service difficulty report · Fire Detector · Boeing 747451

Difficulty date
August 1, 2007
Submitted
August 2, 2007
Operation
Air carrier
Aircraft
N673US
Make and model
Boeing 747451
Aircraft serial
30268
Aircraft time
35,649 hours, 4,483 cycles
Part
Fire Detector
Condition
Malfunctioned
Location
Apu Bay
Stage of operation
NR
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

DURING FLIGHT HAD A FALSE EICAS, APU FIRE WARNING. NO OTHER INDICATIONS NOTICED. FLIGHT CONTINUED ON AND LANDING WAS UNEVENTFUL. MAINTENANCE REMOVED AND REPLACED BOTH A&B LOOP DETECTORS AND LUGS ON THE ACCESS DOOR. OPERATIONAL CHECKED GOOD AND AIRCRAFT RETURNED TO SERVICE.