Commonwealth legislation

AD/BEECH 99/6 - Wing Structural Fatigue Limitations

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Commonwealth

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legislative instrument

Plain English Summary

3/10 complexity

The Directive requires all Beechcraft Model 99 aeroplanes to undergo inspections and retire life‑limited wing structural components per the Beechcraft 99 Continued Airworthiness Program Inspection Manual (Sections 57‑10/57‑20). It affects aircraft owners/operators, who must follow the manual’s intervals and bear inspection, replacement and downtime costs. Its purpose is to reduce wing spar fatigue‑failure risk; practical effects include changed maintenance planning, parts procurement and recordkeeping to ensure compliance.

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AD/BEECH 99/6 - Wing Structural Fatigue Limitations

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Beechcraft 99 Series Aeroplanes

AD/BEECH 99/6 Wing Structural Fatigue Limitations 12/96

Applicability: All model 99 aircraft.

Requirement: Inspect and retire the wing structural components in accordance with the Beechcraft 99 Airliner Series Continued Airworthiness Program Inspection Manual P/N 98- 30131 Rev. A1, Sections 57-10 and 57-20.

Note: FAA AD 92-15-13 refers.

Compliance: This Directive takes effect 7 November 1996.

Background: This Directive requires life limited components to be retired to prevent fatigue failure of the wing spar and associated structure.

Source text

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