SER VICE IN STRUC TION M20-92
DATE: 1-15-92
SUB JECT:RE PLACE MENT OF TOR SION SPRING IN DRIVE CLUTCH AS SEM BLY OF GEC
(PLESSEY)LANDING GEAR AC TU A TORS, MOO NEY P/N 880037-505 AND 880037-507.
SEE GEC (UK) AERO SPACE INC., SER VICE IN STRUC TION No. SI-11, DATED 12/17/91 or
SUB SE QUENT RE VI SION.
MODELS/ S/N’S
AF FECTED:MOO NEY M20J, S/N 24-0001 THRU 24-TBA (WITH GEC [PLESSEY] AC TU A TOR IN STALLED
MOO NEY M20K, S/N 25-0001 THRU 25-TBA (WITH GEC [PLESSEY] AC TU A TOR IN STALLED)
MOO NEY M20M, S/N 27-0001 THRU 27-TBA (WITH GEC [PLESSEY] AC TU A TOR IN STALLED)
MOO NEY M20L, S/N 26-0001 THRU 26-TBA (WITH GEC [PLESSEY] AC TU A TOR IN STALLED)
AND ALL M20 SERIES AIR CRAFT RET RO FITTED WITH SUB JECT AC TU A TORS.
TIME OF
COM PLI ANCE:AT 1000 FLIGHT HOURS OR SCHED ULED MAIN TE NANCE JUST PRIOR TO
REACHING 1,000 FLIGHT HOURS.
IN TRO DUC TION: There have been 2 re ports of a mal func tion of the tor sion spring at 1200 and 1500 flight
hours in GEC (Plessey) Model No. R5329M12-1 or R5329M24-1 (Moo ney P/N
880037-505 and -507) land ing gear ac tu a tors dur ing op er a tion in Moo ney air craft.
This Moo ney Ser vice In struc tion is to no tify field main te nance per son nel of the GEC
(UK) Ser vice In struc tion, No SI-11, dated 12-17-91 which re quires tor sion spring
re place ment at 1,000 flight hours.
IN STRUC TIONS:SEE GEC SER VICE IN STRUC TION SI-11, DATED 12/17/91 or SUB SE QUENT
RE VI SION.
REF ER ENCE
DATA:SEE GEC SER VICE IN STRUC TION SI-11, DATED 12/17/91 or SUB SE QUENT
RE VI SION.
PARTS LIST:SEE GEC SER VICE IN STRUC TION SI-11, DATED 12/17/91 or SUB SE QUENT
RE VI SION.
FIG URES/
TA BLES:SEE GEC SER VICE IN STRUC TION SI-11, DATED 12/17/91 or SUB SE QUENT
RE VI SION.
GEC Ser vice In struc tion SI-11 and spring re place ment kit are avail able from GEC (UK) Aero space Inc.,
110 Al gon quin Park way, Whippany, NJ 07981-1640, Tele phone (201) 428-9898, FAX (201) 884-2277,
Prod uct Sup port Di rect Tele phone, (201) 428-8787