Commonwealth legislation

AD/JT8D/23 Amdt 2 - First Stage Fan Blade Retention Plate

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Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

Requires operators of JT8D-9, -11, -15 and -17 engines to install an improved first‑stage fan blade retention plate (P/N 803996 or 808145). Operators must fit one of these plates at the next engine access or by 31 December 1991; operators pay for parts and installation. The amendment recognises P/N 808145 as an alternative to P/N 803996 and notes a related FAA AD (Background; Requirement; Compliance; Note).

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AD/JT8D/23 Amdt 2 - First Stage Fan Blade Retention Plate

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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 Turbine Engines - JT8D Series

AD/JT8D/23

Amdt 2

First Stage Fan Blade Retention Plate 8/90

Applicability: JT8D-9, -11, -15, -17 series engines.

Requirement: Install a P/N 803996 or 808145 first stage fan blade retention plate.

Note: FAA AD 89-25-11 refers.

Compliance: At next access when parts are available, but no later than 31 December 1991.

Background: This Directive has been amended to reflect the PWA release of an additional improved fan blade retention plate. Plate P/N 808145 incorporates the improved fan blade retention features of the P/N 803996 plate and incorporates non chamfered counterweight rivet holes as requested by certain JT8D operators. The P/N 803996 plate has chamfered counterweight rivet holes.

Source text

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