Commonwealth legislation

AD/CON/49 Amdt 1 - Rotary Fuel Pump P/N 643367A2

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legislative instrument

Plain English Summary

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This directive requires owners/operators of Teledyne Continental GTSIO‑520‑N engines fitted with Lear Siegler rotary fuel pump P/N 643367A2 to loosen, retorque, and safety‑wire the four regulator valve cover screws to specified values and wire size, following the FAA priority letter (Requirement). CASA issued the directive; the maintenance cost and labour fall to the aircraft owner/operator, and compliance is required within 10 operating hours after 27 February 1987 (Compliance). The amendment only corrects a prior metrication/unit error (Background).

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AD/CON/49 Amdt 1 - Rotary Fuel Pump P/N 643367A2

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Teledyne Continental Motors Piston Engines

AD/CON/49

Amdt 1

Rotary Fuel Pump P/N 643367A2 8/87 TX

Applicability: GTSIO-520-N Series engines fitted with Lear Siegler rotary fuel pump P/N 643367A2.

Requirement: Action in accordance with the technical requirement of FAA AD Priority Letter 87- 04-05 dated 12 February 1987 as follows:

Quote;

"(a) Cut and remove the safety wire from the four attaching screws on the regulator valve cover of fuel pump P/N 643367A2.

(b) Loosen screws one full turn

(c) Tighten the four screws to 24-27 inch pounds

(d) Safety wire the four screws with .032 inch wire" Unquote.

(Lear Siegler INC SB No. 101SB015 dated 17 December 1986, and TCM SB No. M87-6 dated 6 February 1987 refer).

Compliance: Within 10 operating hours after 27 February 1987.

Note: Prior compliance with the referenced Service Bulletins does not constitute compliance with this Directive.

Background: This Directive is amended to correct the metrication error which was introduced into the 7 May published issue of this Directive. Reference to Nm has been deleted from this Amendment.

Source text

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

1 AD/CON/49 Amdt 1 - Rotary Fuel Pump P/N 643367A2