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Posted

New owner of an M20J. What inspections do I need to have addressed?

Aside from the yearly annual and regular oil changes, are there others? Such as a 25/50 or 100 hr inspection?

If so, can any of those be done by me?

Posted

Not required, but not a bad idea:

* Have your magnetos IRANed every 500 hours
* Have your no-back spring replaced every 1000 hours

The magneto inspection is not required by US regulation, but you'll find no one on MS who disagrees with the 500-hour interval.  The no-back spring is a good idea, but somewhat academic at the moment because no one makes replacement springs.  

Posted
11 hours ago, GeneralT001 said:

New owner of an M20J. What inspections do I need to have addressed?

Aside from the yearly annual and regular oil changes, are there others? Such as a 25/50 or 100 hr inspection?

If so, can any of those be done by me?

Clarence would be the expert for this question. @M20Doc

  • Like 1
Posted (edited)

FAR 43, appendix D, very clearly outlines what the FAA requires. If you are N registered, this is your bible. Additionally and equally important are the requirements of various AD's that might apply. 

Manufacturers can make all sorts of claims, for example the "TBO" of an engine can be listed as 1600 hours. This is not law, nor is it a requirement. For you, it's a suggestion, even if it contains the words "mandatory" (in big red letters) by the manufacturer. 

You can do more inspections or more frequent inspections, but you must always remember, that's your choice. FAR 43 Appendix D and the AD's define what you must do. 

Note: If you fly IFR and/or in controlled airspace, there are regulations 91-411 and 91-413 for altimeter/transponder checks. 

Don't forget your oil changes! 

 

Each person performing an annual or 100-hour inspection shall inspect (where applicable) components of the engine and nacelle group as follows:

(1) Engine section - for visual evidence of excessive oil, fuel, or hydraulic leaks, and sources of such leaks.

(2) Studs and nuts - for improper torquing and obvious defects.

(3) Internal engine - for cylinder compression and for metal particles or foreign matter on screens and sump drain plugs. If there is weak cylinder compression, for improper internal condition and improper internal tolerances.

(4) Engine mount - for cracks, looseness of mounting, and looseness of engine to mount.

(5) Flexible vibration dampeners - for poor condition and deterioration.

(6) Engine controls - for defects, improper travel, and improper safetying.

(7) Lines, hoses, and clamps - for leaks, improper condition and looseness.

(8) Exhaust stacks - for cracks, defects, and improper attachment.

(9) Accessories - for apparent defects in security of mounting.

(10) All systems - for improper installation, poor general condition, defects, and insecure attachment.

(11) Cowling - for cracks, and defects.

(e) Each person performing an annual or 100-hour inspection shall inspect (where applicable) the following components of the landing gear group:

(1) All units - for poor condition and insecurity of attachment.

(2) Shock absorbing devices - for improper oleo fluid level.

(3) Linkages, trusses, and members - for undue or excessive wear fatigue, and distortion.

(4) Retracting and locking mechanism - for improper operation.

(5) Hydraulic lines - for leakage.

(6) Electrical system - for chafing and improper operation of switches.

(7) Wheels - for cracks, defects, and condition of bearings.

(8) Tires - for wear and cuts.

(9) Brakes - for improper adjustment.

(10) Floats and skis - for insecure attachment and obvious or apparent defects.

(f) Each person performing an annual or 100-hour inspection shall inspect (where applicable) all components of the wing and center section assembly for poor general condition, fabric or skin deterioration, distortion, evidence of failure, and insecurity of attachment.

(g) Each person performing an annual or 100-hour inspection shall inspect (where applicable) all components and systems that make up the complete empennage assembly for poor general condition, fabric or skin deterioration, distortion, evidence of failure, insecure attachment, improper component installation, and improper component operation.

(h) Each person performing an annual or 100-hour inspection shall inspect (where applicable) the following components of the propeller group:

(1) Propeller assembly - for cracks, nicks, binds, and oil leakage.

(2) Bolts - for improper torquing and lack of safetying.

(3) Anti-icing devices - for improper operations and obvious defects.

(4) Control mechanisms - for improper operation, insecure mounting, and restricted travel.

(i) Each person performing an annual or 100-hour inspection shall inspect (where applicable) the following components of the radio group:

(1) Radio and electronic equipment - for improper installation and insecure mounting.

(2) Wiring and conduits - for improper routing, insecure mounting, and obvious defects.

(3) Bonding and shielding - for improper installation and poor condition.

(4) Antenna including trailing antenna - for poor condition, insecure mounting, and improper operation.

(j) Each person performing an annual or 100-hour inspection shall inspect (where applicable) each installed miscellaneous item that is not otherwise covered by this listing for improper installation and improper operation.

Edited by cujet
Posted

Start with an AD list Review.   Yes you can find them on the FAA site and then review with your log book.   You will save the IA many hours.

Posted
On 3/13/2022 at 10:11 PM, GeneralT001 said:

New owner of an M20J. What inspections do I need to have addressed?

Aside from the yearly annual and regular oil changes, are there others? Such as a 25/50 or 100 hr inspection?

If so, can any of those be done by me?

By regulation the Annual inspection as required by CAR 625 B&C, and any AD’s with hourly limits which you may exceed before the annual.  Most   are on 100 hour intervals.

AD’s for your plane are found here: https://wwwapps.tc.gc.ca/Saf-Sec-Sur/2/cawis-swimn/ad_r.aspx

 

Clarence

Posted
On 3/13/2022 at 10:11 PM, GeneralT001 said:

New owner of an M20J. What inspections do I need to have addressed?

Aside from the yearly annual and regular oil changes, are there others? Such as a 25/50 or 100 hr inspection?

If so, can any of those be done by me?

I should have added, that you are allowed to carry out tasks from CAR 625 A .  These are tasks which do not require a maintenance release by an AME.

https://tc.canada.ca/en/corporate-services/acts-regulations/list-regulations/canadian-aviation-regulations-sor-96-433/standards/standard-625-aircraft-equipment-maintenance-standard/standard-625-appendix-elementary-work-canadian-aviation-regulations-cars

Clarence

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