Service difficulty report · Fire Loop · Boeing 777222

Difficulty date
April 21, 2008
Submitted
December 11, 2008
Operation
Air carrier
Aircraft
N795UA
Make and model
Boeing 777222
Aircraft serial
26927
Aircraft time
45,877 hours, 6,877 cycles
Engine
Pwa PW40903
Part
Fire Loop
Part number
473760
Condition
Faulty
Location
Nr 2 Engine
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

FIRE LOOP 2 ENG R RIGHT ENGINE FIRE DETECTION SYSTEM LOOP 2 FAILURE. STATUS MSG01- ACTIVE CLIMB INTERMITTENT; FIRE LOOP 2 (RIGHT ENGINE) IS SHORTED. DB- ENGINE FIRE DETECTION CARD (RIGHT) MSG02- ACTIVE CLIMB HARD; ENGINE FIRE DETECTION CARD (RIGHT) HAS AN INTERNAL FAILURE. DB- ENGINE FIRE DETECTION CARD (RIGHT) MSG03- ACTIVE CLIMB HARD; ENGINE FIRE DETECTION CARD (RIGHT) HAS AN INTERNAL FAILURE. ITEM CNX PER PLF SHOWS NOT ACTIVE. MSG-2610232 ACTIVE CL INTER, MSG-2610012 ACTIVE CL HARD, MSG-2610012 ACTIVE CL HARD. FIRE LOOP FAILURE. REPLACED RIGHT ENGINE FIRE LOOP. FIRE TEST PASSED.