What was found
DURING HEAVY CHECK, RT WING F5, F6, FLAP TORQUE TUBES CORRODED ON MALE END SPLINES. AND F5, F6, TORQUE TUBE BEARINGS ARE CORRODED ON SPLINES. MX R & R F5, F6 TORQUE TUBES IAW AMM 27-51-03. R & R F5, F6 FLAP BEARING SUPPORT,IAW AMM 27-51-04. ACFT REMAINS UNTIL COMPLETION OF HEAVY CHECK.