As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING D-CHECK ACCEPTANCE INSPECTION WHILE PERFORMING DC-9 FLAP OFF WING INSPECTION ON LEFT FLAP, FOUND LEVEL II CORROSION ON UPPER AFT SPAR AT STA. FLS. 114. BLENDED AND TREATED FOR CORROSION PER DC-9 SRM 581-10-3. REPAIRED SPAR PER DC-9 SRM 57-06.