As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, A 1 INCH CRACK WAS FOUND ON THE C3 CARGO DOOR OUTER CHORD BY THE LOWER STOP FITTING. REMOVED AND REPLACED THE CRACKED FORWARD CLOSURE RIB ON THE C-3 CARGO DOOR IAW THE BOEING 727 SRM CH 51-10-1 PAR 6. AIRCRAFT WAS RETURNED TO SERVICE. (M)