Service difficulty report · Detector · Boeing 747422

Difficulty date
January 12, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N191UA
Make and model
Boeing 747422
Aircraft serial
26880
Engine
Pwa PW4056
Part
Detector
Condition
Activated
Location
Nr 2 Engine
Stage of operation
CL
Nature of condition
N
Precautionary procedure
E, A

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

What was found

NR 2 ENGINE FIRE WARNING CAME ON WHILE CLIMBING THROUGH 2500 FEET. SHUT DOWN ENGINE FOUND EVIDENCE OF OVERHEAT AT UPPER AFT FIRE DETECTOR. CAUSED BY BURNED TAPE. CLEANED AREA AND ACCOMPLISHED FIRE DETECTION TEST. TESTED OK.