Commonwealth legislation

AD/SC7/24 - Main Landing Gear Shock Absorber Attachment Pin

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legislative instrument

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Requires owners/operators of Skyvan MK3, 3A, 3M and Skyliner aircraft fitted with listed main landing gear types to replace shock absorber attachment pin P/N EH183113 with either the same P/N or a new-design P/N 200621639. The directive sets life limits (5,280 landings for EH183113; 23,000 for 200621639) and imposes specified compliance deadlines. CASA issued the directive; operators pay replacement costs and must track landing counts to meet the intervals.

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AD/SC7/24 - Main Landing Gear Shock Absorber Attachment Pin

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Short SC7 (Skyvan) Series Aeroplanes

AD/SC7/24 Main Landing Gear Shock Absorber Attachment Pin 10/95

Applicability: All Skyvan MK 3, 3A, 3M and Skyliner series aircraft fitted with main landing gear type numbers EH1831-D, EH1832-D, EH1837-B, EH1838-B, EH1885-1 and EH1886-1.

Requirement: Replace the main landing gear shock absorber attachment pin P/N EH183113 with a new pin of the same P/N or with a new design pin, P/N 200621639.

Note: CAA(UK) AD 004-04-81 refers.

Compliance: If pin P/N EH183113 has exceeded 5280 landings, replace before 14 November 1995 or before 300 landings after 14 September 1995, whichever is the sooner.

Continue to replace pin P/N EH183113 at 5280 landing intervals, replace pin P/N 200621639 at 23 000 landing intervals.

Background: A life limitation has been established on main landing gear shock absorber attachment pin. Installation of a new part number pin provides a substantial increase in fatigue life.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.

1 AD/SC7/24 - Main Landing Gear Shock Absorber Attachment Pin