What was found
AIRCRAFT REQUIRES 12 PERCENT LWD WITH 7 PERCENT RUDDER AT 160 KTS, 88 PERCENT LWD WITH 0 PERCENT RUDDER AT 160 KTS. REFERENCE DAYJET WORK ORDER 1600, NR-00001. TEMPORARILY INSTALLED 2 EACH GURNEY TABS ON THE RT WING FLAP IAW SEM 500-0096 REVISION B DATED 3/20/2008. UPON COMPLETION OF TEST FLIGHT, IF PROBLEM IS CORRECTED, RETURN AIRCRAFT TO GNV SERVICE CENTER FOR PERMANENT ATTACHMENT OF GURNEY TABS IAW SEM 500-0096 REVISION B DATED MARCH 20, 2008. REFERENCE LOGBOOK PAGE 0902, ITEM 1. EVALUATION FLT COMPLETED, DATA FORWARDED TO MAINTENANCE ENGINEERING FOR REVIEW. REFERENCE WORK ORDER 1676, NR-00001. INSTALLED 2 GURNEY TABS ON RIGHT OUTBOARD FLAP TRAILING EDGE IAW SEM 500-0096 REVISION B.