COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Schweizer (Grumman) G-164 (Ag-Cat) Series Aeroplanes
AD/G164/14 Elevator Control Horn Attach Bolts - Inspection
and Replacement
8/83
Applicability: All models.
Requirement: 1. Inspect the AN4-12A bolts attaching the elevator control horn, P/N A1841-3, to the left and right side elevator P/N A1201-5A and A1801-4A respectively for a standard torque rating of 50-70 in. lbs. and for corrosion. If looseness is detected remove bolts and inspect for wear. Replace worn or corroded bolts.
2. Replace the AN4-12A bolts attaching the elevator control horn, P/N A1841-3, to the left and right side elevator P/N A1201-5A and A1201-4A respectively.
Compliance: 1. Within the next 25 hours time in service after 1 October 1973 and thereafter at intervals not exceeding 100 hours time in service.
2. At intervals not exceeding 1000 hours time in service, or 1 year whichever occurs first.
Background: This reprint is to correct a typographical error in compliance para. 2 : hourly intervals.