COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Piper PA-31 Series Aeroplanes AD/PA-31/2 Electric Wiring and Fuel Crossfeed Line - Inspection and Modification 7/68 Applicability: All models with S/Nos. 31-2 to 31-220, 31-222, 31-223, 31-225, 31-228, 31-234, 31- 237, 31-238, 31-240, 31-242 and 31-243. Requirement: 1. Remove fuel control panel cover assembly P/N 41448-00 and inspect all wiring for signs of chafing or interference at the fuel crossfeed line, the spar structure and the fuel control cable. Also inspect for chafing of the fuel crossfeed line against the spar structure and the P/N 41448-00 cover. Replace all chafed wires and any fuel crossfeed line chafed or worn in excess of 10 percent of the wall thickness (approximately .003 inch). 2. Re-route wiring and secure fuel crossfeed line to assure adequate clearance in accordance with Piper SB No. 278. (Kit No. 760216) dated 27 May 1968. Compliance: Inspect within 5 hours time in service after 31 May 1968. Modify before 1 August 1968.