Service difficulty report · Fire Warning · Boeing 747422

Difficulty date
April 16, 2014
Submitted
April 17, 2014
Operation
Air carrier
Aircraft
N119UA
Make and model
Boeing 747422
Aircraft serial
28812
Aircraft time
62,397 hours, 7,147 cycles
Engine
Pwa PW4056
Part
Fire Warning
Condition
Faulted
Location
Cockpit
Stage of operation
IN
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

ENG 1 FIRE LOOP B STATUS MSG DISPLAYED ON EICAS. MAINT MSG 26021, CMC GND TEST WOULD NOT RESET STATUS MSG.