As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C, M/D L5 DOOR FWD CUTOUT REVEAL PNL CRACK. M/D L5 DOOR FWD CUTOUT REVEAL PANEL DOUBLER & LWR REVEAL PANEL BETWEEN LT STA 2231 AND STR 21L-22L AREA REPAIRED IAW HX RS R-53-00-37051, REV A AND EO B747-5310-42737-A. THIS REPAIR IS A CATEGORY B REPAIR WITH REPETITIVE INSP THRESHOLD 15978 TOTAL FLT CYCLES. REPEAT INTERVAL 23000 FLT CYCLES.