Service difficulty report · Fire Warning · Boeing 747422

Difficulty date
April 28, 2017
Submitted
April 29, 2017
Operation
Air carrier
Aircraft
N116UA
Make and model
Boeing 747422
Aircraft serial
26908
Aircraft time
72,462 hours, 8,109 cycles
Part
Fire Warning
Condition
False Activation
Location
Cockpit
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
K

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

What was found

FIRE WARNING INDICATION AND LIGHT IS RINGING WITH NO FIRE RESET MAWEA SYSTEM. FIRE TEST OPERATES NORMALLY NOW.