What was found
WHILE PERFORMING A REPAIR TO WING STR 9 PER MM 57-13-0, FIG 802 AT WS656.5 AN EXISTING HOLE ON THE TOP FLANGE OF THE RIB CHORD ASSY FALLS OUT IN THE RADIUS OF THE STRINGER TO RIB ATTACHMENT ANGLE. REWORKED PER ERA 331251-14AD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE PERFORMING A REPAIR TO WING STR 9 PER MM 57-13-0, FIG 802 AT WS656.5 AN EXISTING HOLE ON THE TOP FLANGE OF THE RIB CHORD ASSY FALLS OUT IN THE RADIUS OF THE STRINGER TO RIB ATTACHMENT ANGLE. REWORKED PER ERA 331251-14AD.