As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLAP CONTROL VALVE PN 2710970 TO BE MAKING CONTACT WITH DUMP VALVE PN OA55319-1 CAUSING WAS SUBSTIALLY DAMAGE. BY SHORTING THE STAND OFF ON THE BOTTOM SIDE OF THE DUMP VALVE BY APROX .1250 OF AN INCH A CLEARANCE OF APROX .0625 OF AN INCH WAS OBTAINED. (K)