Service difficulty report · Actuator · Boeing 767322

Difficulty date
January 18, 2010
Submitted
February 1, 2010
Operation
Air carrier
Aircraft
N667UA
Make and model
Boeing 767322
Aircraft serial
29239
Aircraft time
40,839 hours, 11,326 cycles
Engine
Pwa PW4056
Part
Actuator
Part number
256T21103
Part serial
1741
Condition
Faulty
Location
Nr 7 Slat
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

NEED TO DISC NR 7 SLAT INBD CONTROL ROD TO FACILITATE MAN MOVEMENT OF SLAT TO CK FOR FREEDOM OF MOVEMENT, PRIOR TO ROTARY ACTUATOR & G-BOX REPLACEMENT. DISC SLAT DRIVE CONTROL RODS, MANUALLY MOVED SLAT, THEN RECONNECTED AND MOVED SLAT MANUALLY WITH TORQUE TUBES CONNECTED (IN BYPASS) THRU FULL CYCLE WITH NO BINDING FELT OTHER THAN NORMAL PRELOAD AT DETENTS. NO OTHER DEFECTS FOUND IN NR 7 SLAT WELL DRIVE COMPONENTS. REPLACED NR 7 SLAT OTBD OFF SET GEARBOX. OPS CK'D GOOD.