Commonwealth legislation

AD/FSM/26 - Air Metering Stop Pin P/N 62-226 Fitted to MA4-5, MA-5 and MA-6 Series Carburettors

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Commonwealth

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Plain English Summary

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This Airworthiness Directive requires owners/operators to modify specific Facet Aerospace (Marvel Schebler) MA4-5, MA-5 and MA-6 carburettors (manufactured after April 1984 and listed by part and serial number) by following Facet service bulletin A1-88. The stated purpose is to prevent possible throttle jamming if the air‑metering stop pin becomes loose. Who pays and acts: the aircraft owner/operator must arrange and fund the modification; compliance is at the next carburettor removal or within 200 operating hours after 18 May 1989, whichever is sooner.

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AD/FSM/26 - Air Metering Stop Pin P/N 62-226 Fitted to MA4-5, MA-5 and MA-6 Series Carburettors

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Fuel Supply and Metering Equipment

AD/FSM/26 Air Metering Stop Pin P/N 62-226 Fitted to

MA4-5, MA-5 and MA-6 Series Carburettors

5/89

Applicability: Facet Aerospace (Marvel Schebler) MA4-5, MA-5 and MA-6 series carburettors manufactured after April 1984 whose part number and serial numbers are listed in the Requirement Document.

Note: These carburettors may be used on but not limited to Lycoming 0-360, 0-540, VO-540 and TVO-435 series engines; Teledyne Continental 0-470 series engines and Pezetel (Franklin) model 6A-350 series engines).

Requirement: Modify affected carburettors in accordance with Facet Aerospace products service bulletin A1-88 dated August 1988.

Note: FAA AD 89-04-02 Amdt 39-6109 refers.

Compliance: Unless already accomplished prior to installation, at the next removal or prior to achieving 200 operating hours after 18 May 1989 whichever is the sooner.

Background: This directive is issued to prevent a potential risk to the safety of flight due to the possibility of the engine throttle becoming jammed inside the carburettor if the air metering stop pin becomes loose.

Source text

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

1 AD/FSM/26 - Air Metering Stop Pin P/N 62-226 Fitted to MA4-5, MA-5 and MA-6 Series Carburettors