AD/A109/1 Amdt 3 - Main Rotor Blade
1AD/A109/1 Amdt 3 - Main Rotor Blade
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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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Agusta A109 Series Helicopters
AD/A109/1
Amdt 3
Main Rotor Blade 2/88
Applicability: All models fitted with main rotor blades P/N 109-0103-01-( ) (all dash numbers) which have achieved 600 or more hours component time in service.
Requirement: Action in accordance with Agusta Bollettino Tecnico No 109-50 Rev A. Compliance: Part 1 of the Requirement document: At each daily inspection after 25 February
Part 2 of the Requirement document: Within 25 hours’ time in service after 25 February 1988, and thereafter at intervals not exceeding 25 hours’ time in service OR at the occurrence of anomalous vibratory conditions.
The Daily Inspection requirement may be accomplished by the pilot in command in which case the pilot shall enter and certify for the AD in Col 2 Part 3 of the Maintenance Release.
Background: Several cases of main rotor blade cracking have been found in service. This amendment reduces the initial inspection threshold.