What was found
DURING C-CHECK, FOUND RIGHT WING REAR SPAR CRACKED AT INBOARD FLAP HINGE LOWER STUD. REPAIRED CRACKED SPAR IAW ABX EA AD-57-3904.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C-CHECK, FOUND RIGHT WING REAR SPAR CRACKED AT INBOARD FLAP HINGE LOWER STUD. REPAIRED CRACKED SPAR IAW ABX EA AD-57-3904.