As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING NON ROUTINE CHECK, MAINTENANCE FOUND LEFT AFT DOOR THRESHOLD SILL ENTRANCE AT FORWARD FR 66 UPPER SURFACE CORRODED. REMOVED CORROSION IAW A319 SRM 51-74-00 L=1.6" W=.900" D=.052" ORIG MAT .150" FOUND TO BE OUT OF LIMITS IAW A319 SRM 53-41-14 FIG 101. INSTALLED REPAIR PARTS IAW A319 SRM 51-42-11 AND SRM 53-41-14.