What was found
WHILE IN 'D' CHECK MAINTENANCE FOUND CORROSION BS 870 WEB STIFFENER AT LBL 57.5. INSTALLED REPAIR IAW SRM 51-30-2.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE IN 'D' CHECK MAINTENANCE FOUND CORROSION BS 870 WEB STIFFENER AT LBL 57.5. INSTALLED REPAIR IAW SRM 51-30-2.