What was found
39TH SCREW IB OF RIB 20 ON RT WING UPPER FIXED STRUCTURE BOX RIB 13 TO 20 IS CHAFFING ON HYDRAULIC RETURN LINE FOR RT AILERON SERVO.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
39TH SCREW IB OF RIB 20 ON RT WING UPPER FIXED STRUCTURE BOX RIB 13 TO 20 IS CHAFFING ON HYDRAULIC RETURN LINE FOR RT AILERON SERVO.