Service difficulty report · Fire Warning · Boeing 747422

Difficulty date
September 25, 2013
Submitted
September 27, 2013
Operation
Air carrier
Aircraft
N121UA
Make and model
Boeing 747422
Aircraft serial
29167
Aircraft time
59,971 hours, 6,961 cycles
Engine
Pwa PW4056
Part
Fire Warning
Condition
Failed
Location
Cargo Bay
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

FIRE TEST FAIL CARGO COM CHRONIC LEVEL 1.