Commonwealth legislation

AD/PW-P/15 - Crankshaft Flyweight and Flyweight Liners - Inspection and Modification

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legislative instrument

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This directive makes Pratt & Whitney SB 1758 Rev. A mandatory for R985 series engines: owners, operators and overhaul/maintenance shops must inspect and, if needed, modify or replace the crankshaft flyweight and flyweight liners per that service bulletin. Inspections are required before engines are installed after overhaul and before spare engines enter service (unless already done). It forces SB compliance, creating inspection/rework costs, downtime, or the option to replace parts/engines.

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AD/PW-P/15 - Crankshaft Flyweight and Flyweight Liners - Inspection and Modification

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Pratt and Whitney Piston Engines

AD/PW-P/15 Crankshaft Flyweight and Flyweight NK

Liners - Inspection and Modification

Applicability: R985 series.

Document: Pratt & Whitney SB 1758 Rev. A.

Compliance: Installed Engines - Before installation in an aircraft following each overhaul. Spare engines - Before installation in an aircraft after 2 November 1967 unless previously inspected and reworked or replaced as necessary in accordance with Pratt & Whitney SB No. 1758 or P&W Wasp Junior Overhaul Manual P/N 123440 at last overhaul.

Source text

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