Service difficulty report · Control Unit · Boeing 747451

Difficulty date
January 29, 2008
Submitted
January 30, 2008
Operation
Air carrier
Aircraft
N671US
Make and model
Boeing 747451
Aircraft serial
26477
Aircraft time
40,855 hours, 5,186 cycles
Part
Control Unit
Condition
Malfunctioned
Location
Windshield Heat
Stage of operation
CL
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

DURING CLIMB-OUT, SMOKE BEGAN POURING OUT OF THE FIRST OFFICER FRONT WINDSHIELD AREA. PERFORMED FIRE/SMOKE CHECKLIST, RETURNED TO MNL AND LANDING WAS UNEVENTFUL. AFTER LANDING FLIGHT ATTENDANT REPORTED SMELLING SMOKE AT DOOR 3 LEFT. MAINTENANCE REMOVED AND REPLACED COCKPIT WINDOW AND WINDOW HEAT CONTROL UNIT. OPERATIONAL CHECKED GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.