Document ID: chunk:federal_register_of_legislation:F2008L02944:body:0:p2
Version: federal_register_of_legislation:F2008L02944
Segment Type: other
Provision Reference: 
Character Range: 2951–4868

not have the new upgraded software per Requirement 5.a. may not be installed as a replacement spare on any aeroplane.
             Later revisions of SB 27-3787, approved by the United States Federal Aviation Administration (FAA) as an Alternate Method of Compliance (AMOC) to FAA AD 2008-16-02, are considered acceptable for compliance with the equivalent Requirements of this Directive.
             Note:  FAA AD 2008-16-02 Amdt 39-15620 refers.
Compliance:  For Requirement 1 - Within 15 hours time-in-service (TIS) after 3 September 2008 (the effective date of this Directive) or within 30 days after 3 September 2008, whichever occurs first.
             For Requirement 2 - Following every flight after AFM Temporary Change is inserted in accordance with Requirement 1 until Requirement 5.a. or 5.b. is accomplished.
             For Requirements 3 and 4 - Before further flight.
             For Requirement 5 - Within 250 hours TIS after 3 September 2008 or within 12 months after 3 September 2008, whichever occurs first.
             For Requirement 6 - Following compliance with Requirement 5.a. or 5.b.
             For Requirement 7 - As of 3 September 2008.
             This Airworthiness Directive becomes effective on 3 September 2008.
Background:  The FAA has received reports of the potential for unannunciated loss of the heating function in the LH and RH stall warning AOA transmitters of Model 390 aeroplanes.  This Directive initially requires repetitive post-flight checks for residual heat in the AOA probes and, if necessary, maintenance manual operational test of the heat of the AOA probes.  The Directive also requires eventual replacement or modification (upload software) of the stall warning AOA transmitters and is issued to correct potentially inadequate stall warning with loss of stick pusher function.

James Coyne
Delegate of the Civil Aviation Safety Authority

1 August 2008