What was found
DURING A CPCP 4 INSPECTION PERFORMED AT AMR EAGLE MAINTENANCE CENTER, FOUND LIGHT CORROSION ON FUSELAGE FLANGES AROUND AFT AVIONICS DOOR (AFT). INSTALLED DOUBLER ON AFT FLANGE OF AVIONICS DOOR IAW AIRAMS/T/ATR/32986/98, FAX COVER SHEET 141/98/002 AND ATR SRM 51-25-02. CAUSE OF DAMAGE: ENVIRONMENTAL. AIRCRAFT TT: 18,688.4 HOURS. TAC: 23,278. 2075T6 - .063 INCH.