As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ACCOMPLISHMENT OF BOEING SERVICE BULLETIN 747-53A2390, CRACKED FASTENER HOLES WERE NOTED AT SKIN PANEL UNDER LONGERON EXTENSION FITTING 1 EACH BODY STATION 1480 STRINGER S-32L AND 1 EACH AT BODY STATION 1480 BETWEEN STRINGERS S-32R AND S-34R. REPAIR ACCOMPLISHED IN ACCORDANCE WITH BOEING SERVICE BULLETIN 747-53A2390 PLAN A REPAIRS.