MOONEY AIRPLANE COMPANY, INC. SERVICE BULLETIN
165 Al Mooney Road
Kerrville, Texas 78028
MOONEY AIRPLANE COMPANY, INC. 165 Al Mooney Road, Kerrville, Texas 78028 tel: 830-896-6000 www.mooney.com
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THIS BULLETIN IS FAA APPROVED FOR ENGINEERING DESIGN
SERVICE BULLETIN M20-309
Date: August 11, 2009
SUBJECT: Mooney M20TN Aircraft with TSIO-550-G( ) Series Engines
MODELS/ SN Mooney M20TN Acclaim and Type-S Aircraft (Serial Numbers 31-0001 thru 31-0127)
AFFECTED:
TIME OF AT NEXT SCHEDULED ANNUAL INSPECTION, BUT WITHIN NEXT 100 FLIGHT
COMPLIANCE: HOURS, THEN AT EVERY 100 FLIGHT HOURS THEREAFTER.
INTRODUCTION: There has been a reported incident of the exhaust transition tubes (LH/RH) cracking and/or
showing signs of fatigue deformation. This will require an inspection and replacement of any
part exhibiting damage. Contact - Teledyne Continental Motors at www.genuinecontinen-
tal.aero/ for replacement parts. The attached compliance card needs to be filled out and
returned to Mooney Airplane Company upon completion of this Service Bulletin
M20--309.
INSTRUCTIONS: Read entire procedures before beginning work.
1.1. Turn master switch - OFF.
1.2. Remove top cowling per instructions provided in Chapter 71-10-00 of applicable MAC
aircraft Service & Maintenance Manual.
1.3. Locate and Inspect each side of exhaust assembly transitions for cracks or fatigue
deformation as shown in figure SB M20-309-1.
1.4. Any parts found to exhibit damage, contact Teledyne Continental Motors (TCM) for
replacement parts, refer to www.genuinecontinental.aero/ for contact numbers.
NOTE:
Fill out compliance card and send by MAIL or FAX to Mooney Airplane Company as indicated on
the attached Compliance Card (ref Figure M20-309-2)
1.5. Replace part(s) according to Appendix B specifications of the latest TSIO-550 Service
and Maintenance Manual.
1.6. Re-install top cowling per instructions provided in Chapter 71-10-00 of applicable MAC
aircraft Service & Maintenance Manual.
1.7. Complete log book entry.
1.8. Return aircraft to service.
1.9. Procedure complete
WARRANTY: N/A - Contact - Teledyne Continental Motors at www.genuinecontinental.aero/
REFERENCE 1. MAC Maintenance Manual (applicable A/C)
DATA: 2. TCM Service and Maintenance Manual
PARTS LIST: Mooney Airplane Company, Inc., Parts Kits:
Contact - Teledyne Continental Motors at www.genuinecontinental.aero/
MOONEY AIRPLANE COMPANY, INC. 165 Al Mooney Road, Kerrville, Texas 78028 tel: 830-896-6000 www.mooney.com
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CHECK FOR CRACKS OR
FATIGUE DEFORMATION
IN TRANSITION TUBE
Figure SB M20-309-1 - TRANSITION TUBE INSPECTION
MOONEY AIRPLANE COMPANY, INC. 165 Al Mooney Road, Kerrville, Texas 78028 tel: 830-896-6000 www.mooney.com
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MOONEY AIRPLANE COMPANY
KERRVILLE, TEXAS 78028 -- 1-800-331-3880
SERVICE (BULLETIN) (INSTRUCTION) NO.________________HAS BEEN COMPLIED
WITH ON AIRCRAFT MODEL _______________ SERIAL NUMBER ________________
Tach. Time:
Owner:
N-Number (Reg. No.)
Date of
Compliance:
Complied
By:
Form 07-0001
Inspection Report:
MOONEY AIRPLANE COMPANY
ATT’N: TECHNICAL SUPPORT
165 Al Mooney Road, North
Kerrville, Texas 78028
PLACE
STAMP
HERE
SEND TO:
Mooney Airplane Company
165 Al Mooney Road North
Kerrville, TX 78028
OR FAX: (830) 257-4635
Figure SB M20-309-2 -- Compliance Card
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