As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OP 15 MAINT CHECK, THE FLOOR MEMBRANE WAS CRACKED AT STA 595, APPROX 56 RBL. STOP DRILLED CRACK WITH 0.025 DIA DRILL AND FABRICATED DOUBLER PER SRM 53-01, FIG 2 SHEET 3. INSTALLED RIVETS PER SRM 51-30-02. PRIMED AND PAINTED PER SRM 51-10-03.