As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSTALLATION OF MED EQUIPMENT RAILS IAW DWG 749-1035-002: RT UPPER MED RAIL LOCATION IN AFT WALL WAS MISDRILLED AT 9.5 AND NOT AT 9.95 IAW ECO 9485. LOWER MED MOUNT RAIL LOCATIONS IN AFT WALL WERE MISDRILLED FOR INCORRECT NUT-PLATE.