Document ID: chunk:federal_register_of_legislation:F2005L04152:body:0:p2
Version: federal_register_of_legislation:F2005L04152
Segment Type: other
Provision Reference: 
Character Range: 5694–6960

962830A-1-S-8, 962830A-2-S-8 or 962830A-3-S-8, Configurations B, C, and D, may not be installed on any aeroplane either as an initial installation or as a replacement spare unless it has been upgraded as specified in Requirement 2.
             Note 3:  FAA AD 2005-25-08 Amdt 39-14401 refers.
Compliance:  For Requirement 1 - Within the next 25 hours time-in-service (TIS) the effective date of this Directive and thereafter before each flight until the ADC is upgraded as specified Requirement 3.
             For Requirement 2 - Before further flight after the ADC fails the Requirement 1 altimetry accuracy check.
             For Requirement 3 - Within 15 months after the effective date of this Directive.
             For Requirement 4 - As of the effective date of this Directive.
             This Airworthiness Directive becomes effective on 23 January 2006.
Background:  The United States FAA has received reports that certain ADC-2000 units display incorrect altitude information on the EFIS to the pilot.  The display of incorrect altitude could cause the flight crew to react to this incorrect flight information and possibly result in an unsafe operating condition.

Charles Lenarcic
Delegate of the Civil Aviation Safety Authority

16 December 2005