Service difficulty report · Seal · Boeing 747122

Difficulty date
April 21, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N851FT
Make and model
Boeing 747122
Aircraft serial
19756
Part
Seal
Part number
5201200
Condition
Leaking
Location
Lt Wing
Stage of operation
TX
Nature of condition
J
Precautionary procedure
D

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

What was found

****CORRECTION****RETURNED TO GATE DUE TO LEFT WING L/E OVERHEAT LIGHT CAME ON DURING PUSHBACK. REPLACED LEFT WING ANTI-ICE VALVE IAW MM 30-11-03. REPLACED D-D SEALS AT NR 4 LED UNIT AT 2 INCH DUCT ASSY AND TWO NEW CLAMPS INSTALLED AT THE MANIFOLD ELBOW AND LED UNIT IAW MM 27-81-03. PRESSURE CHECK NORMAL, NO OVERHEAT LIGHTS NOTED.