Mooney M20C - Bendix-King KT 76 A Transponder Service; IC Malfunction and Effects; Compliance Reference

THIS SERVICE
BULLETIN
IS
FAAAPPROMD FOR ENGINEERING DESIGN
SERVICE BULLETIN M20-ZB1
ISSVEDATE: 1
December.
1996
SUBJECT: BENDIXKIND
SERVICE BULLETIN
No.
SE KT
7BA-7,
JULY/96
(or
later
revision(s)),
KT 76A ATC
TRANSPONDER.
MODELSISIN
AFFECTED: ALL
MODELS OF MOONEY AIRCRAFT MANUFACTURED SINCE 1975
(INCLUDES
M20C,
MME.
M20F,
MZOJ, M20K MZOC M2OM,
AND
M20FO
AND
ANY MODEL MAT MAY HAM
HAD A KT 7BA
TRANSPONDER RETROFITTED
SINCE
1875
(INCLUDES
MZO, M20A.
M20B, M20D,
M20G,
OR
M22)
(APPLIES
TO ALL
S/N’s)
TIME OF
COMPLIANCE:
REFER
TO
BENDIXKING
SE KT
70A-7.
DATED JULY/SE
(or
later
revision(s)
INTRODUCTION:
1.
Bendix-King
SeNice Bulletin No. KT 70A-7
provides
information that indicates
the
integrated
cir-
cult
(IC)
of the KT
78A,
P/N
0Bg1082-00/1~02,
SIN’s from
83,000
to
109,000,
may possess,
or
progress
to.
an
electronic
breakdown
within
the IC that
causes
either
or
both of the
following
malfunctions:
1)
The unit
may
incorrectly
interpret
the
output
of
the
encoding
altimeter.
or
2)
7he
unit
may
transmit
a
code
other
than what
is
set
land
shown)
on
the face
of
the
transponderunl
2.
The
subject
Bendix-King
SE
pro\i~es
the
compliance,
relrofl,
warranty
and
parts
list
information
necessary
for the relront
procedures
to be
accomplished
by
apprapiiately
rated
Bendlx-King
Serv ice Centers. Service
INSTRUCTIONS: REFER TO BENDIX-KINO SE KT
78A-7.
DATED JULYlSE
tar
later
revision(s)
VII~RRANPI:
REFER
TO BENDIX-KINO 58 KT
7BA-7.
DATED JULY/SE
(or
later
revision(s)
REFERENCE
DATA: REFER TO BENDIX-KINO SE KT
7BA-7.
DATED JULYISE
(or
later
revision(s)
PARTS LIST:
REFER TO
BENDIX-KING
SE KT
7BA-7,
DATED JULY/96
(or
later
revision(s)
FIGURES/
TABLES.
REFER TO BENDIX-KINO 58 KT
7BA-7.
DATED JULYIS6
(or
later
revision(s)