As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C LT WING FRONT SPAR UPPER CHORD WS 642 AREA FOUND 1EA HOLE CRACK AT WEB RUNNING O/B APPROX .0625 INCH LONG. LT WING FRONT SPAR UPPER CHORD WS 642 WEB REPAIRED AS PER RS R57-21-35488. INSPECT THE FRONT SPAR IN ZONE-A AS PER SB 747-57A2311 R2 TABLE 3 WITH REPEAT INSPECTION INTERVALS OF 1600 FLIGHT CYCLES OR 6200 FLIGHT HOURS WHICHEVER IS EARLIER.