Tue, Jan 27, 2009
AD NUMBER: 2009-02-03
MANUFACTURER: Textron Lycoming,Teledyne Continental,Superior Air
Parts,Fuel Injection Servos
SUBJECT: Airworthiness Directive 2009-02-03
SUMMARY: The FAA is superseding an existing
airworthiness directive (AD) for Lycoming Engines IO, (L)IO,TIO,
(L)TIO, AEIO, AIO, IGO, IVO, and HIO series reciprocating engines,
TCM TSIO-360-RB reciprocating engines, and Superior Air Parts, Inc.
IO-360 series reciprocating engines with certain Precision
Airmotive LLC RSA-5 and RSA-10 series fuel injection servos. That
AD currently requires inspecting servo plugs for looseness and
damage on fuel injection servos that have a servo plug gasket, part
number (P/N) 365533, installed, and if loose, inspecting the servo
regulator cover threads for damage, inspecting the gasket for
damage, reinstalling acceptable parts, and torquing the servo plug
to a new, higher torque to maintain the proper clamp-up force
between the plug and cover. This AD requires the same inspections,
except if the plug is found loose, servo plug gasket, P/N 365533,
must be replaced with a new, improved gasket, P/N2577258. This AD
also requires replacement by December 31 , 2009, of servo plug
gaskets, P/N65533, manufactured and made available on or after
August 22, 2006, as mandatory terminating action to the repetitive
inspections required by this AD. This AD also prohibits the
installation of any servo plug gasket, P/N 365533. This AD also
clarifies the TCM engine model applicability,and adds Bendix RSA-5
and RSA-10 series fuel injection servos to the applicability. This
AD results from Precision Airmotive LLC introducing the
installation of a new improved servo plug gasket, P/N 2577258, to
the affected Precision Airmotive LLC RSA-5 and RSA-10 series, and
Bendix RSA-5 and RSA-10 series, fuel injection servos. We are
issuing this AD to prevent a lean running engine, which could
result in a substantial loss of engine power and subsequent loss of
control of the airplane.
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