As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C LH BS 1480 B/H HOLE #15 CRACK FOUND AT SPLICE PLATE RUNNING UP & DOWN, BOTH CRACKS APPROX 0.020", REFER ATTACH SKETCH. LH B/H BOLT HOLE #15 REAMED TO 0.500" AS PER SB 747-53A2390 FIG.11 CRACK TEST DONE NO CRACK FOUND AS PER NTM PT6 51-00-00 FIG 4 AND BUSHING INSTALLED AS PER SB 747-53A2390 R1