As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CPCP CHECK INSPECTION, FOUND FLOORBEAM INTERCOSTAL WEB AT STA 740 LBL 20 HAS CRACK ON UPPER SURFACE AT RIVET. REPAIRED INTERCOSTAL WEB AT STA 740 LBL20 IAW B727 SRM 51-40-2 FIG 1. CORROSION TASK CARD NUMBER C57-174-01 PART 1 OF 1. NON-ROUTINE TASK CARD NUMBER 110106.