As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING D-CHECK INSPECTION, FOUND 3 CRACKS IN WING RIB AT RT WING STATION 171, TOP SIDE OF RIB. REMOVED STIFFENER, FABRICATED ANGLES OF 7075-0 AND HEAT TREATED TO 7075-T6. INSTALLED ANGLES PER BAC DWG 53-98012-5. INSTALLED STIFFENER PER SRM 51-30-02. (M)