1AD/DH114/17 - Landing Gear Actuator Piston - Inspection and Replacement

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 

Image unavailable in extracted text DH114 (Heron) Series Aeroplanes

 

AD/DH114/17 Landing Gear Actuator Piston - Inspection NK

and Replacement

 

Applicability: All models fitted with Dunlop actuators P/N AC 11130 in which pistons P/N AHO 19742 are installed.

 

Requirement: 1. Remove the piston from the jack and inspect the piston crown for signs of cracking.

 

2. Remove from service Dunlop piston Part Number AHO 19742. Compliance: For Para. 1 - At intervals not exceeding 200 landings after 15 June 1966.

For Para. 2 - Whenever a cracked piston crown is detected or at intervals not exceeding 5000 landings whichever occurs first.

 

Note: Incorporation of Heron Mod. No. 1161 cancels these requirements. DH114 (HERON).