Service difficulty report · Module · Boeing 767322

Difficulty date
February 7, 2012
Submitted
February 10, 2012
Operation
Air carrier
Aircraft
N675UA
Make and model
Boeing 767322
Aircraft serial
29243
Aircraft time
42,312 hours, 10,774 cycles
Engine
Pwa PW4056
Part
Module
Part number
7321870019
Part serial
32
Condition
Faulty
Location
Flap-Slat
Stage of operation
IN
How discovered
O
Nature of condition
E
Precautionary procedure
O

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

What was found

VERY SIGNIFICANT HARMONIC-VIBRATION BEING TRANSMITTED THRU FLAP HANDLE AS FLAPS APPROACH 5. REPLACED FLAP-SLAT SHUTOFF VALVE MODULE, MODULE INSTALLATION TEST CKS OK, NO LEAKS, NO VIBRATION FELT DURING SEVERAL FLAP EXTENSION CYCLES.