AD/EMB-145/9 Ventral Fuel Tank Refuelling Line (Cth)

AIRWORTHINESS DIRECTIVE

For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.001(1) of CASR 1998.  The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

Embraer EMB-135 and EMB-145 Series Aeroplanes

AD/EMB-145/9 Ventral Fuel Tank Refuelling Line 8/2008

Applicability:	EMB-145XR model aircraft with serial numbers listed in Table 1.
Table 1
145590 145643 145645 145646 145649 145650 145654 145655 145657 thru 145660 145662 145664 145666 145672 145674 145675	145677 145681 145683 145684 145688 thru 145690 145693 145697 145700 145703 thru 145705 145708 145712 145714 145718 145719 145721	145727 145731 thru 145733 145735 145739 145741 145745 145746 145749 145751 145753 145756 145758 145759 145761 145772	145782 145786 145787 145791 145792 145799 14500805 14500808 14500811 14500817 14500819 14500831 14500834
Requirement:	Unless previously accomplished, install a bonding jumper between the pilot valve line tube and the pressure refuelling system tube, after removing ventral fuel tank access panel 196FR, as described in the Embraer Service Bulletin 145-28-0026, original issue, or further revisions approved by the Brazilian Agência Nacional de Aviação Civil (ANAC).
Note:  ANAC AD 2006-12-01 refers.
Compliance:	Within the next 10,000 hours time in service (TIS) for aircraft with less than 5,000 hours TIS, or within the next 5,000 hours TIS for aircraft with more than 5,000 hours, TIS after 4 January 2007 (the effective date ANAC AD 2006-12-01).
This Airworthiness Directive becomes effective on 31 July 2008.

Background: The ANAC has advised that the refuelling line inside the ventral fuel tank on the Embraer EMB-145XR aircraft model is not protected in accordance with SFAR-88 requirements.  This Directive corrects that anomaly by the installation of a bonding jumper between the pilot valve line tube and the pressure refuelling system tube.

James Coyne
Delegate of the Civil Aviation Safety Authority

16 June 2008