What was found
GUST LOCK LIGHT ILLUMINATED, ENSURE GUST LOCK DISENGAGED, PULLED CB G4 DISCONNECTED C/P SWITCH. REMOVED AND REPLACED THE RUDDER GUST LOCK SWITCH3CF IAW SMM 27-72-15-05, RIGGED AND TESTED SYSTEM OP'S CHECK GOOD IAW SMM 27-72-15-05. RIGGED AND TESTED SYSTEM GOOD IAW SMM 27-72-15-05.