Service difficulty report · Fire Loop · Boeing 757222

Difficulty date
December 25, 2007
Submitted
December 26, 2007
Operation
Air carrier
Aircraft
N558UA
Make and model
Boeing 757222
Aircraft serial
26654
Aircraft time
51,725 hours, 18,983 cycles
Engine
Pwa PW2037
Part
Fire Loop
Condition
Intermittent
Location
Rt Nacelle
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

RIGHT ENGINE LOOP 2 FIRE DETECTION INOPERATIVE. PROBLEM WAS INTERMITTENT FROM DAY ONE..HARD TO DIAGNOSE. AFTER SEVERAL WEEKS ON THE WATCH LIST, THE ISSUE NEVER RETURNED.