As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING M-CHECK FOUND FWD CARGO BETWEEN STA.218 AND 237 JUST OTBD OF LT LONG 28. INTERCOSTAL HAS CORROSION AND CRACKED APPROX 1 IN. DRILLED STOP HOLE IN INTERCOSTAL IN FWD CARGO STA 218-237 JUST OTBD OF LONG 28. FABRICATED REPAIR DOUBLERS FROM .025" 7075T6. IAW SRM 51-13-1, FIG 2. TREATED & PRIME DOUBLERS IAW SRM 51-10-3. NDT STOP HOLE FOR CRACK IAW NDT SPMM 06-10-01.001. NO CRACK NOTED. INSTALLED DOUBLERS IAW SRM 53-01, FIG 2, 53-30-2.19.