AD/R22/46 - MA-4-5 Carburettor
1AD/R22/46 - MA-4-5 Carburettor
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
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Robinson R22 Series Helicopters
| AD/R22/46 | MA-4-5 Carburettor | 3/98 |
|---|---|---|
| Applicability: | All helicopters S/N 2571 through 2664 fitted with MA-4-5 carburettor and Carburettor Air Temperature (CAT) gauge P/N C604-6. |
Requirement: Unless previously carried out, replace the carburettor and CAT gauge in accordance with the requirements of Robinson R-22 Service Bulletin 82, dated 03 March 1997, and Robinson Helicopter Company Kit KI-114 Revision A, dated 6 March 1997.
Note: FAA AD 97-25-05 Amdt 39-10228 refers.
Compliance: Within 50 hours time in service from the effective date of this Directive.
This directive become effective on the 26 February 1998.
Background: Advice has been received that the mixture control could inadvertently be placed in the idle cut position during in-flight manual leaning of the fuel/air mixture. This would cause an engine in-flight shut down with subsequent loss of helicopter control. When the carburettor is changed a flight manual amendment will be required.