Service difficulty report · Fire Detector · Boeing 7372Y5

Difficulty date
May 31, 2007
Submitted
June 1, 2007
Operation
Air carrier
Aircraft
N810AL
Make and model
Boeing 7372Y5
Aircraft serial
24031
Aircraft time
47,751 hours, 60,644 cycles
Engine
Pwa JT8D9A
Engine time
45,642 hours, 93,689 cycles
Part
Fire Detector
Part number
899929
Part serial
0508
Condition
Failed
Location
Nr 1 Nacelle
Stage of operation
TX
How discovered
O
Nature of condition
N
Precautionary procedure
E

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

What was found

FLIGHT 93 HNL-LIH - AFTER STARTING THE NR 1 ENGINE, THE CREW NOTED THE NR 1 ENGINE FIRE INDICATION LIGHT ILLUMINATED. CREW FOLLOWED THE QRH PROCEDURES: SHUT DOWN NR 1 ENGINE AND DISCHARGED BOTH ENGINE FIRE EXTINGUISHER BOTTLES. AIRCRAFT WAS TOWED BACK TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THAT THERE HAD NOT BEEN AN ENGINE FIRE. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE LOWER FIRE DETECTION LOOP, AND BOTH ENGINE FIRE EXTINGUISHER BOTTLES. AIRCRAFT WAS RETURNED TO SERVICE.

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