Document ID: chunk:federal_register_of_legislation:F2012L01141:body:0:p2
Version: federal_register_of_legislation:F2012L01141
Segment Type: other
Provision Reference: 
Character Range: 3004–4255

2:  An extension to the interval for Requirement 2 of this AD (use of 5 hour tolerance) must not extend the subsequent occurrence of Requirement 2.  For example, if as a result of an extension to Requirement 2 (having an interval of 50 hours) the inspection is carried out at 55 hours, the Requirement 2 inspection must next be carried out no later than 45 hours after the previous inspection, to preserve the 50 hour interval.

                This Directive was originally issued to address reports of Aerostar exhaust systems failing in service.  Exhaust system defects can result in an engine fire.

                This Amendment is issued to align the AD with the FAA AD 90-01-02 in mandating the installation of the Fire Detection System in accordance with the SB No. 920A.
                Amendment 3 of this Airworthiness Directive became effective on 20 March 2003.

                Amendment 2 of this Airworthiness Directive became effective on 9 March 1990.

                Amendment 1 of this Airworthiness Directive became effective on 24 January 1990.

                The original issue of this Airworthiness Directive became effective on 31 May 1986.

Mike Higgins
Delegate of the Civil Aviation Safety Authority

31 May 2012