1AD/F406/1 - Canted Rib Upper Cap

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Reims Aviation F406 Series Aeroplanes

AD/F406/1 Canted Rib Upper Cap 6/99 DM

Applicability: Model F406 aircraft, serial numbers F406-0001 through F406-0083.

Requirement: Inspect the canted ribs upper cap in the centre wing carry-through area for cracks in accordance with Reims / Cessna Service Bulletin CAB 98-16.

Note 1: Reims Aviation Service Bulletin F406-38 is equivalent to CAB98-16. Note 2: DGAC AD 1999-087(A).

Compliance: 1. Unless already accomplished, perform initial inspection before further flight after 12 May 1999.

2. A modification shall be installed dependent upon the result of the initial inspection, but not later than 600 hours of operation or 12 months after this directive is effective, whichever occurs first; unless already accomplished.

3. Repetitive inspections shall be accomplished at intervals not to exceed 200 hours time in service or 12 months after the initial inspection, or until modified as specified in the Requirement document.

This Airworthiness Directive becomes effective on 12 May 1999.

Background: Cracks have been found in the canted ribs upper cap in the centre wing carry-through area.