What was found
RT INBD BRACKET, 31003-07, BRACKET REMPLACED, 4-57 DOUBLE INSP C/OUT. SYS TESTED OK. IN DESCENT, RT FLAP DIDN`T GO DOWN, THE PILOT THUS KEPT THE FLAPS UP FOR LANDING. RT INBD BRACKET WAS FOUND BROKEN. BRACKET REPLACED, RIVETING ACCORDING TO AC 4313-1B, PARA 4-57, DOUBLE INSP C/OUT SYSTEM TESTED AND OK.