As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLIND RIVETS ON INNER WALL OF AFT FUSELAGE TANK SKIN TO FRAME WERE INCORRECTLY INSTALLED. RIVETS DID NOT EXTEND THROUGH SUFFICIENTLY TO FASTEN ALL MATERIAL. LEFT SIDE OF AIRCRAFT FR 22-25, STR 10-14. TT: 4,971.5 HOURS. LANDINGS: 3,301.