Commonwealth legislation

AD/BELL 222/22 - Flapping Bearing-to-Yoke Attachment Bolts

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Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This Airworthiness Directive requires owners/operators of specified Bell 222, 222B and 222U helicopters (listed serial numbers) to inspect the flapping bearing‑to‑yoke attachment bolts per the Bell Alert Service Bulletin dated 12 October 1998 and to replace any bolts showing thread damage, shank wear or corrosion. CASA issued the directive after a reported bolt fracture; operators must meet the inspection deadline at the next scheduled 150‑hour check (by 31 December 1999) and will face added recurring inspections at 1,200‑hour intervals.

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Current sections

Direct links to the current provisions in AD/BELL 222/22 - Flapping Bearing-to-Yoke Attachment Bolts.

AD/BELL 222/22 - Flapping Bearing-to-Yoke Attachment Bolts

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Bell Helicopter Textron Canada (BHTC) 222 Series Helicopters

AD/BELL 222/22 Flapping Bearing-to-Yoke Attachment Bolts 7/99

Applicability: Model 222, serial numbers 47006 through 47089; Model 222B, serial numbers 47131 through 47156; and Model 222U, serial numbers 47501 through 47574.

Requirement: Perform an initial inspection of the flapping bearing-to-yoke attachment bolts in accordance with Part I of BHTC Alert Service Bulletin 222-98-83 or 222U-98-54, as applicable; both bulletins dated 12 October 1998.

Replace bolts that show evidence of thread damage, shank wear, or corrosion.

Note: Transport Canada AD CF-99-12 refers.

Compliance: At the next scheduled 150-hour inspection after 15 July 1999, but not later than 31 December 1999; unless already accomplished.

Note: Repetitive inspections at 1,200 hour intervals will be included in a forthcoming revision to the Maintenance Manual.

This Airworthiness Directive becomes effective on 15 July 1999.

Background: Transport Canada received a report of a post-flight inspection finding that one of the four flapping bearing-to-yoke attachment bolts had fractured.

Source text

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

1 AD/BELL 222/22 - Flapping Bearing-to-Yoke Attachment Bolts