AD 50-01-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Mooney Mite Aircraft Corporation | M-18L | Airworthiness Directives; Mooney Model M-18L Aircraft |
Unsafe Condition
Cracks in the engine mount lugs could result in engine separation.
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Required Actions
Inspect the four engine mount lugs for cracks. If cracks are found, reweld the lugs to the engine mount holes and weld an X-4130 0.058-inch strap (1/2 x 3 inches) to the lug and side tube member. No further inspections are needed after reinforcement.
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Compliance Time
As soon as possible but not later than the next 25 hours operating time and at each 25-hour period thereafter until reinforcement is accomplished.
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Affected Aircraft
Mooney Model M-18L Aircraft, all serial numbers.
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Federal Register Abstract
Engine Mount Reinforcement
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_50-01-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 50-01-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Mooney Model M-18L Aircraft Subject: Engine Mount Reinforcement Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Mooney Mite Aircraft Corporation Model: M-18L Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 50-01-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 50-01-01 SUBJECT HEADING: Airworthiness Directives; Mooney Model M-18L Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 50-01-01 MOONEY: Applies to All Model M-18L Aircraft. Compliance required as soon as possible but not later than next 25 hours operating time and at each 25-hour period thereafter until reinforcement of engine mount lugs is accomplished. Inspect the four engine mount lugs for cracks. If cracks are evident, reweld the lugs to mate with the mount holes on the engine and weld an X-4130 0.058-inch strap 1/2 x 3-inches to the lug and the side tube member. Further inspections are not necessary after the above reinforcement of the lugs is made. (Mooney Service Bulletin No. 4 covers this same subject.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_50-01-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 50-01-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Mooney Model M-18L Aircraft Subject: Engine Mount Reinforcement Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Mooney Mite Aircraft Corporation Model: M-18L Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 50-01-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 50-01-01 SUBJECT HEADING: Airworthiness Directives; Mooney Model M-18L Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 50-01-01 MOONEY: Applies to All Model M-18L Aircraft. Compliance required as soon as possible but not later than next 25 hours operating time and at each 25-hour period thereafter until reinforcement of engine mount lugs is accomplished. Inspect the four engine mount lugs for cracks. If cracks are evident, reweld the lugs to mate with the mount holes on the engine and weld an X-4130 0.058-inch strap 1/2 x 3-inches to the lug and the side tube member. Further inspections are not necessary after the above reinforcement of the lugs is made. (Mooney Service Bulletin No. 4 covers this same subject.) FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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