As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD ENTRY DOOR CUT OUT LOWER AFT CORNER HAS A CRACK ON BEAR STRAP. GROUNDED - YES. REPAIRED DAMAGE TO SKIN IAW B737 400 SRM 53 10 01 2R 12. THIS IS A CATEGORY B REPAIR WITH AN INSPECTION THRESHOLD OF 60,000 TOTAL FLIGHT CYCLES OR 12,000 FLT. CYCLES AFTER REPAIR INSTALLATION, WHICHEVER COMES LATER. REFER TO OPERATORS REPAIR ASSESSMENT GUIDLINES FOR METHODS AND INTERVALS.