1AD/BEECH 50/24 - Exhaust Augmenter Clamps

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Beechcraft 50 (Twin Bonanza) Series Aeroplanes

AD/BEECH 50/24 Exhaust Augmenter Clamps 3/73

Applicability: All models.

Requirement: Inspect the clamps on the main augmenter tubes for security. Pay particular attention to the forward clamp at the rear of the fire-wall, adequate clearance must be present between the two halves of the clamp when fully tightened.

Note: The specified bolts AN4-13A are longer than strictly necessary in order to facilitate installation, therefore they must be fitted with the appropriate number of spacing washers and care must be taken to ensure that the nut does not bottom on the thread when fully torqued. The recommended torque values for the clamp nuts are 50- 70 in. lbs with 100 in. lbs maximum.

Compliance: Within 100 hours’ time in service after 30 March 1973.