As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOWER FUSELAGE, PRESSURIZATION LEAK AT EXTERNAL REPAIR (APPROX 30 RIVETS) BELOW R-1 DOOR. STA 312 AT STRINGER 19R LAP SEAM. REMOVED FASTENERS AT LOWER FUSELAGE AT STA 312 STR 19R AT LAP SEAM. PERFORMED NDT INSP OF FASTENER HOLES, NO DEFECT NOTED. FOUND WHEN DOUBLER WAS APPLIED TO ACFT, NOT ENOUGH SEALANT WAS USED. CLEANED THE ENTIRE AREA AND REINSTALLED FASTENERS WET WITH SEALANT IAW SRM 51-20-4.