Service difficulty report · Fire Loop · Boeing 737522

Difficulty date
April 17, 2008
Submitted
April 21, 2008
Operation
Air carrier
Aircraft
N914UA
Make and model
Boeing 737522
Aircraft serial
25381
Aircraft time
45,793 hours, 32,863 cycles
Engine
Ge CFM56*
Part
Fire Loop
Condition
Inoperative
Location
Nr 2 Nacelle
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

NR 2 ENG FIRE LOOP 'A' INOPERATIVE. AFTER EXSTENSIVE TROUBLE SHOOTING FOUND FIRE LOOP FAULTY. REPLACED ENGINE NR 2 LOWER FAN FIRE LOOP DETECTION. SYSTEM TESTED NORMAL IAW MM 26-11-11-401. AC OK FOR SERVICE.