Embraer ERJ-170 Series Aeroplanes
Embraer ERJ-170 Series Aeroplanes
Embraer ERJ-170 Series Aeroplanes
| AD/ERJ-170/5 | Ice Detection System | 5/2007 DM |
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| Applicability: | ERJ-170( ) model aeroplanes. |
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| Requirement: | Carry out an ice detection system operational test in accordance with AMM TASK 30-81-01-710-801-A. |
| Installation of Primus EPIC system software Load 15.3 or higher in accordance with Embraer Service Bulletin 170-31-0002, original issue, or later revision approved by either the Brazilian Departamento de Avição Civil (DAC) or Agência Nacional de Avição Civil (ANAC) constitutes terminal action for the repetitive tests. | |
| Note: DAC AD 2004-11-07R1 refers. | |
| Compliance: | Within 100 hours time in service (TIS) after the effective date of this Directive or when the aircraft accumulates a total of 1000 hours TIS and thereafter at intervals not to exceed 1000 hours TIS until the installation of Primus EPIC system software Load 15.3 or higher is accomplished. |
| This Airworthiness Directive becomes effective on 4 April 2007. | |
| Background: | The Brazilian DAC has advised that a particular failure mode of the aircraft ice detection system is not adequately tested by the software of the Primus EPIC Modular Avionics Unit, which can allow the operation of the aircraft without the required ice protection. |
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Charles Lenarcic
Delegate of the Civil Aviation Safety Authority
28 March 2007