Mooney M20C - Landing Gear Actuator Torsion Spring Replacement; Actuator Malfunction Reports; GEC Service Instruction Reference

MOONEY
SERVICE
INSTRUCTION
DATE:
1-15-92
SUBJECT:
REPLACEMENT
OF
TORSION
SPRING
IN
DRIVE
CLUTCH
ASSEMBLY OF GEC
(PLESSCI)
LANDING
GEAR
ACTUATORS,
MOONN
P/N
880037-505
AND
880037-507.
SEE GEC
(UK)
AEROSPACE
INC.,
SERVICE
INSTRUCTION
No.
SI-ll,
DATED
12/17/91
or
SUBSEQUENT
REVISION.
MODELS/
S/N’S
MOONEY
M20J,
S/N
24-0001
THRU 24-TEA
(WTTH
GEC
[PLESSC~
ACTUATOR
INSTALLED)
AFFECTED: MOONN
M20K.
S/N
25-0001
THRU 25-TEA
(WITH
GEC[PLESSEY]
ACTUATOR
INSTALLED)
MOONEY
M20M,
S/N
27-0001
THRU 27-TEA
(WTTH
GEC
[PLESSC/I
ACTUATOR
INSTALLED)
MOONN
M20L,
S/N
26-0001
THRU
26-TEA
(WITH
GEC
[PLESSC~
ACTUATOR
INSTALLED)
AND
AL,
M20
SERIES
AIRCRAFT RETROFITTED WITH
SUBJECT
ACTUATORS.
TIME OF
COMPLIANCE
AT
1000
FLIGHT HOURS OR SCHEDULED
MAINTENANCE
JUST
PRIOR
TO
REACHING
1,000
FLIGHT
HOURS.
INTRODUCTION:
There have
been
2
reports
of
a
malfunction
of the torsion
spring
at
1200
and
1500
Right
hours
in
GEC
(Plessey)
Model No. R5329M12-1
or
R5329M24-1
(Mooney
P/N
880037-505
and
-507)
landing
gear
actuators
dun’ng
operation
in
Mooney
aircraft.
This
Mooney
SeM’ce
Instruction
is
to
notify
field maintenance
personnel
of the
GEC
(UK)
Service
Instruction,
No
S:-ll,
dated
12-17-91
which
requires
torsion
spring replacement
at
1,000
Right
hours.
INSTRUCTIONS:REFERENCE
SEE GEC
SERVICE INSTRUCTION
S1-ll,
DATED
12/17/91
or
SUBSEQUENT REVISION.
DATA:
SEE GEC SERVICE
INSTRUCT(ON
SI-ll,
DATED
12/17/91
or
SUBSEQUENT
REVISION.
PARTS
LIST:
SEE
GEC
SERVICE
INSTRUCTION
SI-Il,
DATED
12/17/91
or
SUBSEQUENT
REVISION.
FI
GURESI
TABLES: SEE GEC
SERVICE INSTRUCTlOl\i
S1-ll,
DATED
12/17/91
or
SUBSEQUENT
REVISION.
GEC SeM’ce
Instruction Sf-ll and
spring replacement
kit
am
available
from
GEC
(UK)
Aerospace
Inc.,
110
Algonquin Parkway, Whippany,
NJ
07981-1640,
Telephone
(201)
428-9898,
FAX
(201)
884-2277,
Product
Support
Direct
Telephone,
(201)
428-8787