Service difficulty report · Warning System · Boeing 777222

Difficulty date
September 26, 2012
Submitted
October 12, 2012
Operation
Air carrier
Aircraft
N217UA
Make and model
Boeing 777222
Aircraft serial
30550
Aircraft time
50,980 hours, 6,302 cycles
Engine
Pwa PW40903
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

EICAS MESSAGE DETECTOR FAN 1 CARGO FORWARD SHOWED AT DEP. MAINT MESSAGE 26-21041 MAT TEST FAIL PER FIM 26-16 TASK 803. MSG DET FAN 1 CGO FWD NOT DISPLAYED ON EICAS, NO EXISTING OR INBD FLIGHT FAULTS. ACCOMPLISHED GROUND TEST 26 CARGO SMOKE DET SYS TEST PER FIM 26-16 TASK 803, TEST PASSED, CARGO SMOKE DET SYS CHECKS OKAY.