As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING MAINTENANCE IT WAS DISCOVERED THAT THE R/H WING FLAP PRIMARY TORQUE TUBE AT APPROX. WING STN YW 325.00 WAS DEEPLY GROOVED. GROOVE WAS AT ABOUT THE MIDLENGTH OF THE TUBE AROUND ITS CIRCUMFERENCE. TUBE HAD BEEN WEARING ON A NEARBY ELECTRICAL BUNDLE 'P' CLAMP.TORQUE TUBE REPLACED AND CLAMP ADJUSTED TO GIVE ADEQUATE CLEARANCE.