Commonwealth legislation

AD/SD3-60/41 - Propeller Attaching Bolts

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This mandatory aviation safety order requires urgent and recurring inspections of the B-3339 propeller bolts that attach Hartzell HC-B5MP propellers on Short SD3-60 aircraft. It applies only where propeller and engine flanges have accrued 3,000+ hours.

Initial inspection must occur within 120 flight hours of 8 Dec 1994, with re-inspections every 120 hours, after reports of at least 12 cracked or failed bolts that could allow in-flight propeller separation.

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Current sections

Direct links to the current provisions in AD/SD3-60/41 - Propeller Attaching Bolts.

AD/SD3-60/41 - Propeller Attaching Bolts

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Short SD3-60 Series Aeroplanes

AD/SD3-60/41 Propeller Attaching Bolts 13/94

Applicability: All model SD3-60 series aircraft fitted with Hartzell HC-B5MP-( ) propellers. Requirement: Action in accordance with Hartzell Alert SB A203.

Compliance: Within 120 hours time in service from 8 December 1994.

Thereafter, reinspect at intervals not exceeding 120 hours time in service.

Note: This directive does not apply until the propeller AND engine flanges have been in operation for 3000 or more hours since new.

Background: The FAA has previously advised that at least 12 failures of the P/N B-3339 propeller attaching bolts had occurred. This Directive is being raised after advice from the propeller manufacturer that further cracked and failed propeller attaching bolts have been reported.

Source text

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

1 AD/SD3-60/41 - Propeller Attaching Bolts