AD/BEECH 300/3 - Engine Mount Assembly Attachment Bolts
1AD/BEECH 300/3 - Engine Mount Assembly Attachment Bolts
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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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Beechcraft 300 Series Aeroplanes
AD/BEECH 300/3 Engine Mount Assembly Attachment Bolts 10/92
Applicability: Models and serial numbers as listed in Beech SB 2432.
Requirement: 1. Individually remove each engine truss-to-firewall bolt and determine whether the bolt is manufactured by Dumont Aviation as specified by Figure 2 of, and in accordance with paragraphs 1 and 2 of the ACCOMPLISHMENT INSTRUCTIONS section of Beech SB 2432. Only one engine truss-to-firewall bolt shall be removed at any given time.
- Replace any bolt manufactured by Dumont Aviation as identified in Requirement 1 of this Directive with a new bolt part number MS20006-20 /M/.
Note: FAA AD 92-15-01 Amdt 39-8294 refers.
Compliance: 1. Within 150 hours time in service after 17 September 1992.
- Prior to further flight.
Background: This Directive requires a one-time visual inspection of all engine mount assembly attachment bolts to determine whether bolts that could have been improperly heat treated are installed, and replacement of any such bolts.