As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE REMOVAL OF PROFILE IN AFT PIT L/H FRAME 54 NEAR STRINGER 38 INADVERTENTLY DRILLED THROUGH RADIUS OF FRAME. GROUNDED - YES. REMOVED AND REPLACED FRAME SECTION AT L/H FRAME 54 P/N D5347055320200 PO# 1070959.1 IAW AIRBUS DWG D53470330 ISSUE E AND A320 SRM 51-42-11.