Service difficulty report · Fire Detector · Boeing 737322

Difficulty date
June 17, 2009
Submitted
June 17, 2009
Operation
Air carrier
Aircraft
N335UA
Make and model
Boeing 737322
Aircraft serial
24230
Aircraft time
59,857 hours, 32,997 cycles
Engine
Cfmint CFM563C1
Part
Fire Detector
Part number
CGAB140001
Condition
Faulty
Location
Cargo Bay
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

FWD CARGO PIT LOOP B FAIL LIGHT FLICKERS DURING TAXI. DUPLICATED PROBLEM AS REPORTED. FOUND CHAFED WIRES TO GND BEHIND CARGO FIRE DET PANEL IN E&E BAY. THE 1B DETECTOR REPLACED. CHECKED WIRES AND FOUND NO STRAND DAMAGE. ACCOMPLISHED INSULATION REPAIR. SECURED BUNDLE WITH LACING CORD TO PREVENT FURTHER CONTACT WITH STRUCTURE. CHECKED STRUCTURE, NO VISIBLE DAMAGE NOTED. ACCOMPLISHED SYSTEM TEST, SYSTEM TESTS NORMAL.