SDR 99UAL900660

Service difficulty report · Fire Loop · Boeing 727222

Difficulty date: December 20, 1999
Submitted: October 9, 2000
Operation: Air carrier
Aircraft: N7451U
Make and model: Boeing 727222
Aircraft serial: 21905
Aircraft time: 59,109 hours, 33,645 cycles
Engine: Pwa JT8D15
Engine time: 58,439 hours, 33,307 cycles
System (JASC): 2612 · Fire Detection
Part: Fire Loop
Condition: Out Of Position
Location: Nr 1 Engine
Stage of operation: AP
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

ENGINE 1 STRUT OVERHEAT LIGHT CAME ON. COMPLETED IN FLIGHT ENGINE SHUTDOWN, LIGHT REMAINED ON. *S/D* THE STRUT OVERHEAT LIGHT ILLUMINATION IN-FLIGHT WAS AN INDICATION PROBLEM. ALL DUCTS WERE FOUND INTACT. THE OVERHEAT LOOP WAS FOUND RESTING ON THE 13TH STAGE DUCT AND WAS RESPOITIONED.