Service difficulty report · Smoke Detector · Boeing 747422

Difficulty date
April 25, 2012
Submitted
May 25, 2012
Operation
Air carrier
Aircraft
N181UA
Make and model
Boeing 747422
Aircraft serial
25278
Aircraft time
86,277 hours, 10,509 cycles
Engine
Pwa PW4056
Part
Smoke Detector
Condition
Faulted
Location
Cargo Bay
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

FOUND FAULT IN CARGO AFT-3 LOOP-A. MESSAGE NR 26164. REPLACED SMOKE DETECTOR 3A I IN AFT PIT PER MM26-16-01 AND IPC 26-16-01-002. TEST PASS.