Service difficulty report · Selector Valve · Boeing 747123

Difficulty date
May 4, 2006
Submitted
May 9, 2006
Operation
Air carrier
Aircraft
N858FT
Make and model
Boeing 747123
Aircraft serial
20109
Aircraft time
81,618 hours, 19,363 cycles
Part
Selector Valve
Part number
366103
Part serial
146
Condition
Cracked
Location
Mlg
Stage of operation
TX
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

SECONDS AFTER START, NR 1 ENGINE NR 1 HYDRAULIC SYSTEM LOST ALL FLUID. FOUND LEFT HAND LANDING GEAR SELECTOR VALVE HOUSING CRACKED. REMOVED AND REPLACED SAME PER MM 32-31-03.