What was found
WHILE IN FOR C-CHECK, MAINT FOUND RT WING STA 171.5 OB SIDE OF RIB, FWD VENT BOX AFT FLANGE CRACKED. REPAIRED IAW SRM 57-10-4, BY REMOVING AND REPLACING VENT STRINGER TAB.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE IN FOR C-CHECK, MAINT FOUND RT WING STA 171.5 OB SIDE OF RIB, FWD VENT BOX AFT FLANGE CRACKED. REPAIRED IAW SRM 57-10-4, BY REMOVING AND REPLACING VENT STRINGER TAB.