As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CHECK-C MAINT NUMBER 3 AND 4 DORSAL FIN RIBS, FROM UPPER EDGE ON LT SIDE, WERE CRACKED. ROUTED AND RADIUSED END OF RIB. INSTALLED REPLACEMENT FILLER ON NUMBER 3 AND 4. INSTALLED 2024-T3 0.050 DOUBLER PICKING UP MINIMUM 3 ROWS OF FASTENERS BEYOND CRACK PER 55-30-102.