Service difficulty report · Fire Loop · Boeing 777222

Difficulty date
June 9, 2016
Submitted
June 13, 2016
Operation
Air carrier
Aircraft
N210UA
Make and model
Boeing 777222
Aircraft serial
30216
Aircraft time
59,116 hours, 12,503 cycles
Engine
Pwa PW4077
Part
Fire Loop
Condition
Shorted
Location
Lt Engine
Stage of operation
IN
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

LEFT ENGINE FIRE DETECTION SYS LOOP 1 FAILURE. FIRE LOOP 1, LT ENGINE IS SHORTED. ENGINE FIRE DETECTION CARD, LEFT.