COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Cessna 400 Series Aeroplanes AD/CESSNA 400/5 Fuel Crossover Line - Inspection and Modification 6/68 Applicability: All models 401 and 402 with S/Nos. below 401-0226 and 402-0226 except 401-0189, 401-0197, 401-0212 and 401-0214 to 401-0225 and 402-0171, 401-0172, 402-0191, 402-0209, 402-0210 and 402-0214 to 402-0225. Document: Cessna SL No. ME68-6. Compliance: Within 100 hours time in service after 11 July 1968.