ode(s) 321057 : Main Gear Timer Valve Striker Arm (Left) - Inspection. Resolution: Complied with CMP code(s) 321057 : Math Gear Timer Valve Striker Ann (Left) - Inspection as required, no discrepancies noted at this time. All work performed I/A/W 32-31-00. 09/09/2014.LK. Time & Materials Flat Rate Total Labor: 55.