What was found
DURING A CPCP 4 INSPECTION PERFORMED AT AMR EAGLE MAINTENANCE CENTER, FOUND NUT PLATE HOLES CORRODED ON FLOORBEAM 36. INSTALLED REPLACEMENT FLOORBEAM 36 IAW ATR 42 SRM 51-25-02. CAUSE OF DAMAGE: ENVIRONMENTAL. AIRCRAFT TT: 18,688.4 HOURS. TAC: 23,278.