Lycoming Service Bulletin 388C
Recently a number of CAP 182T aircraft have experienced sticking exhaust valves. Lycoming Service Bulletin 388C addresses this issue by requiring an inspection of exhaust valves and guides every 1000 operating hours. Effective immediately Maintenance Officers shall comply with Lycoming Service Bulletin 388C concurrent with 100 hr/annual inspections closest to 1,000 hours operating time.