Commonwealth legislation

AD/S-PUMA/18 - Main Rotor Blade De-Icers

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legislative instrument

Plain English Summary

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This Airworthiness Directive requires owners/operators of Eurocopter AS332 (Super Puma) helicopters (versions C, C1, L and L1) fitted with main rotor blades P/N 332A11-030-03 or 332A11-030-04 to modify those blades according to Eurocopter Telex 01-42 (17 Jan 1995). The AD sets mandatory compliance deadlines tied to each blade’s total time-in-service to restore/ensure the de‑icing electrical return braid integrity and preserve blade de‑icing function.

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AD/S-PUMA/18 - Main Rotor Blade De-Icers

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/18 Main Rotor Blade De-Icers 9/95

Applicability: All AS 332 helicopters versions C, C1, L and L1 equipped with de-iced main rotor blades Part Number (P/N) 332A11-030-03 and 332A11-030-04.

Requirement: Modify rotor blades P/N 332A11-030-03 and 332A11-030-04 in accordance with Eurocopter France AS 332 Telex Service 01-42 dated 17 January 1995.

Note: DGAC France AD 95-029-054(B) refers.

Compliance: The modification is to be incorporated in accordance with the following table:

Rotor Blade Total Time in Service (TIS)

Time Limit for Modification

greater than 2000 hours within 50 hours TIS after 17 August 1995

1850 to 2000 hours on reaching 2050 hours TIS

1500 to 1850 hours within 200 hours TIS after 17 August 1995

1400 to 1500 on reaching 1700 hours TIS

700 to 1400 hours within 300 hours TIS after 17 August 1995

less than 700 hours within 1000 hours TIS after 17 August 1995 Background: Eurocopter advised that main rotor blade de-icing system electrical return braids have

been found partially damaged. If complete failure of the braid occurred, depending on the braid damaged, this could result in the loss of the de-icing function on two or three heating strips and normal rotor blade de-icing conditions would no longer be ensured. Action specified by this Directive is intended to ensure the integrity of the rotor blade de-icing system.

Source text

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

1 AD/S-PUMA/18 - Main Rotor Blade De-Icers