AD 2003-17-03 R1: Fuel

(1) This AD applies to PIAGGIO AERO INDUSTRIES S.p.A Model P-180 airplanes, all serial numbers, that are: (i) certificated in any category; and (ii) equipped with a firewall shutoff or crossfeed valve that is identified in the Effectivity table of PIAGGIO Aero Industries S.p.A. Service Bulletin (SB) No. ASB80-0191, dated February 27, 2003. (2) The only difference between the applicability of this AD and AD 2003-17-03 (68 FR 50693, August 22, 2003), is that AD 2003-17-03 applied to firewall shutoff and crossfeed valves that should not have been included. (i) No further action is necessary if the actions of this AD were done in compliance with AD 2003-17-03, Amendment 39-13277 (68 FR 50693, August 22, 2003). (ii) Any firewall shutoff or crossfeed valve that was modified per AD 2003-17-03 (68 FR 50693, August 22, 2003), and re-identified with an ``A'' at the end of the serial number and is not identified in the Effectivity table of PIAGGIO Aero Industries S.p.A. SB No. ASB80-0191, dated February 27, 2003, is an airworthy part and is not affected by this AD.