What was found
AMBER PITCH FEEL AFTER T/O LEAVING 5000 FT AT 240 KNOTS. DID NOT FEEL ANY CONTROL CHANGES. INSTALLED BREALEASH BOX TO SWITCH. ACCESSED FAULT HISTORY & FOUND NO FAULT CODES. PERFORMED TEST OF PITCH ARTHUR IAW MM 27-308 UPON MOVEMENT OF HORIZ STAB TO +1 DEG 15, "PITCH FEEL" CAS ILLUMINATES & TEST FAILS. PERFORMED TEST OF CUSTOM I/O MODULES LAND 2 WITH NO DEFECTS NOTED IAW MM 31-425. SUSPECT FAULTY PITCH ARTHUR CONTROL UNIT. SUB SQK R & R ELEVATOR ARTHUR UNIT. COMPLIED WITH PRE-REMOVAL THROWS & FOUND ALL 3 POSITIONS OF ELEVATOR THROWS TO BE WITHIN LIMITS IAW MM 27-309. REMOVED IAW MM 27-318, INSTALLED IAW MM 27-318. COMPLIED WITH POST INSTALL CHECK. REF MM 27-318, SEC 4 AND 5. ES 206028.