COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Beechcraft 50 (Twin Bonanza) Series Aeroplanes
AD/BEECH 50/20 Outer Wing Electrical Wiring 12/71
Applicability: All models.
Requirement: 1. Inspect the electrical wiring aft of the rear auxiliary fuel tank(s) in each outer wing for chafing, especially where it passes through the ribs at wing stations 155.78 to 273.735.
2. Replace any missing grommets or other insulation material missing from clips supporting the electrical wiring loom in each outer wing.
Compliance: Within 30 hours’ time in service after 21 December 1971.