Commonwealth legislation

AD/S-PUMA/23 - Main Rotor Spindles and Flapping Hinge Pins

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Commonwealth

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legislative instrument

Plain English Summary

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The Civil Aviation Safety Authority requires operators of Eurocopter AS332 Super Puma models C, C1, L and L1 to remove certain main rotor spindles and flapping hinge pins from service unless they’ve been reinforced per MOD.07‑43100, following Eurocopter AS332 Service Bulletin No. 01.00.44. Effective 15 August 1996, this targets parts whose life limits were reduced by ageing-induced load increases on frequency adapters. Operators/owners must inspect, modify or replace affected parts and bear the associated costs and downtime.

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AD/S-PUMA/23 - Main Rotor Spindles and Flapping Hinge Pins

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Eurocopter AS 332 (Super Puma) Series Helicopters

AD/S-PUMA/23 Main Rotor Spindles and Flapping Hinge Pins 9/96

Applicability: Models C, C1, L, and L1 not modified per MOD. 07-43100; and fitted with spindles P/N 332A31-1390-00 to -07, 332A31-1398-00; and all dash number flapping hinge pins P/N 332A31-1380-.

Requirement: Action in accordance with Eurocopter AS332 SB No. 01.00.44.

Note: DGAC AD 96-100-058(B) refers.

Compliance: In accordance with Paragraph 1.D of the Requirement document, with effect from 15 August 1996.

Background: Tests by the manufacturer have discovered that ageing has modified the static and dynamic properties of the frequency adapters, leading to the introduction of considerable loads which reduce the life limits of the spindles and flapping hinge pins. This Directive is to remove from service those spindles and pins that have not been reinforced to cope with the increased loads.

Source text

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

1 AD/S-PUMA/23 - Main Rotor Spindles and Flapping Hinge Pins