Mooney M20K - Page 226

MOONEY
AIRCRAFT
CORPORATION
M20K
SERVICE
AND
MAINTENANCE
MANUAL
3.
Repair
main
spar
damage
from
STA
48.5
of
damaged
area).
Pick
up
three
existing
holes
and
drill
outboard
by
installing
splice
angles
made
from
.040
three
new
holes
between
existing
holes
on
each
side
2024-73
maten’al
on
both
side
of
web
using
12
AD4
of
damaged
area.
(See
Figure
51-16).
rivets
(6
through
skin
and
6
through
web
on
each
side
~4
(?O
EACH
SIDE
OF~
CRACK)
(6
EACtl
SIDE
Or
CRACK)
rp4
aaboooiooaaa
O
O
It\
O
O
d
I~
O
STOP-DRILL
(OR
REMOVE
,050
CRACKED
SPAR
WEB
AREA)
2024-T3
SM51-17
SPAR
REPAIR
(OUTBD.
of
STA.
34.0)
FIGURE
51-17
4.
Repair
main
spar
web
damage
outboard
of STA
51-14-03
RIB
REPAIR
34.0,
top
flange,
and
STA
48.5,
lower
flange
by
forming
Th,
repair
of
damaged
stabilizer
and
fin
ribs
is
not
a
splice
angle
from
.050
2024-73
aluminum.
The
splice
feasible
in
most
cases.
Damaged
ribs
shoukl
be
angle
web
flange
should
be
cut
to
allow
sufficient
replaced
with
new
parts.
coverage
of
the
damaged
area
of
existing
web
and
long
enough
to
install
6
AD4
rivets
on
the
flange
on
51-14-04
-REMATING
HORIZONTAL
each
side
of the
damaged
area.
Pick
up
3
existing
rivet
STABILIZER
TO
STINGER
holes on
ffange
of
spar
and
dn’ll
3
new
rivet
holes
When
stabilizer
repair
necessitates
removal
from
the
between
existing
holes.
Drill
10
rivet
holes
through
stinger,
remating
can
be
facilitated
by
using
huckbolt
splice
angle
and
web
on
each
side
of
the
damaged
substitution
information
contained
in
Section
51-10-01.
web
area.
The
damaged
web
should
be
stop
drilled
or
When
mating
stabilizer
to
stinger
use
bent
rivet
swage
cracked
area
removed
pn’or
to
splice
angle
installation.
set#5
(see
Figure
51-19).
Prime
splice
angle
and
deburr
spar
web
and
flange
before
installing
splice
(see
Figure
51-17).
51-15-00
-FIBERGLASS
LAMINATES,
REPAIR
PROCEDURES
5.
Spar
webs
outboard
of
STA
48.5
cracked
more
than
50%
of
the
web
height may
be
repaired
(see
Despite
the
fact
that
fiberglass
laminates
are
designed
Figure
51-18).
Form
a
splice
plate
from
.050
202dT3
to
withstand
considerable
abuse,
occasional
repairs
aluminum
to
fit
the
inside
dimensions
of
the
web
and
will
be
necessary.
It
is
difficult
to
cover
all
the
various
flange
at
the
damaged
area.
Pick
up
3
existing
rivet
repair
techniques
due
to
such
limiting
factow
as
holes on
top
and
bottom
flange
on
each
side
of
accessibility
and the
e~dent
of
damage.
The
following
damaged
area
and
drill
2
new
AD4
rivet
holes
between
outlines
those
steps
which
are
used
to
make
repairs
of
these
existing
holes.
Pick
up
all
rivet
holes
on
web
the
more
common
type
damage
to
a
fiberglass
under
splice
plate
and
drill
new
rivet
holes
on
equal
laminate.
spacing
around
the
damaged
area
similar
to
that
on
Figure
51-18
rivets
on
each
side
of
damaged
area.
51-14-03
17
OLDWILLWAYNE