As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BS500B - BS500B + 10" AFT JAMB INNER SKIN OF MAIN CARGO DOOR HAS EXISTING SKIN REPAIR, IMPROPER FASTENER INSTALLATION, ELONGATED HOLES IN SKIN AND MANY GOUGES. REPLACED INNER SKIN WITH MADE REPAIR PART AT STA 500B-500B+ 10 IAW AEI DWG AE737-3-200-2 REV E, THIS REPLACEMENT OF SKIN REMOVED EXISTING REPAIR, FIXED IMPROPER FASTENERS AND ELONGATED HOLES AND GOUGES IN SKIN.