As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE C-CHECK INSPECTION, FOUND CRACKS NOTED IN RIB 3 AND 4 EMANATING FROM RIB WEB CUTOUT DOWN WEB AND INTO THE LOWER RIB FLANGE, CRACKS APPEAR TO TERMINATE AT 4TH FASTENER HOLE FWD FROM END OF FLANGE. INSTALLED REPAIR IAW L1011 SRM 57-51-00 FIG 812. C-CHECK WORK CARD NUMBER 05-57-1006. NON-ROUTINE TASK CARD NUMBER 002637.