As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT FLIGHT COMPT NR 3 WINDOW CUTOUT SKIN FOUND CRACKED AT AFT LOWER CORNER BOLT HOLE CUTOUT, CRACK LENGTH 3/4" APPROX. FX LT BS 330 TO BS 340 STR 7L TO STR 10L WINDOW CUTOUT SKIN REPAIRED AS PER HX RS NR R53-11-35448 WITHOUT ZERO TIMING SUBSEQUENT INSPECTION ARE NECESSARY FOR CATEGORY B REPAIR SEE SRM 53-30-03 FIG 49 TABLE II FOR THE INSP REQUIREMENTS REF UPS EO# B747-5310-24045-A