COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Airtractor AT-300, 400 and 500 Series Aeroplanes
AD/AT/4 | Rudder Hinges - Inspection | 7/83 |
Applicability: | All models AT-300, AT-301 and AT-302 with S/Nos. 0001 to 0260. |
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Document: | Snow Engineering Co. Service Letter No. 48. |
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Compliance: Within 100 hours time in service after 31st July 1983 and thereafter at intervals not exceeding 1 year.
Background: The manufacturer reports a case of a rudder hinge failure due to corrosion of the rudder spar tube.