AD 75-12-05

final rule

Airworthiness Directives; McClish Model B, B75L, B85C, and Funk C Aircraft

AD Number
75-12-05
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

Applicability

TypeManufacturerModelDetails
aircraft Funk Aircraft Company | McClish, Thomas H. Funk C Airworthiness Directives; McClish Model B, B75L, B85C, and Funk C Aircraft
aircraft Funk Aircraft Company | McClish, Thomas H. B Airworthiness Directives; McClish Model B, B75L, B85C, and Funk C Aircraft
aircraft Funk Aircraft Company | McClish, Thomas H. B75L (Army UC-92) Airworthiness Directives; McClish Model B, B75L, B85C, and Funk C Aircraft
aircraft Funk Aircraft Company | McClish, Thomas H. B85C Airworthiness Directives; McClish Model B, B75L, B85C, and Funk C Aircraft

Unsafe Condition

Corrosion and cracks in wing forward external support struts at the lower end where the aileron cable enters the strut, and in lower fuselage longerons at the tail post and weldments in the rudder hinge post area.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect the wing forward external support struts and lower fuselage longerons for corrosion and cracks within the next ten hours' time in service or one month after the effective date. Repeat inspections at intervals not exceeding 100 hours' time in service or 12 months. Replace or repair corroded or cracked parts before further flight.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

within the next ten hours' time in service or one month, whichever occurs first, after the effective date of this Airworthiness Directive

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

McClish (Funk) Model B, B75L, B85C, and Funk C Aircraft

AI-generated summary from the source AD text. Verify against the official source before acting.

Federal Register Abstract

Support Struts and Longerons

Applicability Source Text

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AD Number:
75-12-05
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; McClish Model B, B75L, B85C, and Funk C Aircraft
Subject:
Support Struts and Longerons
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
06/05/1975
Make:
Funk Aircraft Company | McClish, Thomas H.
Model:
Funk C | B | B75L (Army UC-92) | B85C
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: 75-12-05
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-2225

AD NUMBER:   75-12-05

SUBJECT HEADING:   Airworthiness Directives; McClish Model B, B75L, B85C, and Funk C Aircraft

ACTION:  

SUMMARY:  

DATES:   Effective June 5, 1975.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
75-12-05 MCCLISH (Funk): Amendment 39-2225: Applies to all McClish (Funk) Model B, B75L, B85C and Funk C Aircraft.

1. Affects wing forward external support struts and rear fuselage lower longerons at the tail post.

a. Within the next ten hours' time in service or one month, whichever occurs first, after the effective date of this Airworthiness Directive, unless accomplished within the last 90 hours in service or 11 months, accomplish the following:

b. Inspect the wing forward external support struts at the lower end where the aileron cable enters the strut, for corrosion and cracks.

c. Inspect the lower fuselage longerons at the tail post and weldments in the rudder hinge post area, for corrosion and cracks.

2. The inspection specified in paragraph (1) must be repeated at intervals not to exceed 100 hours' time in service or 12 months, whichever occurs first.

3. Before further flight, all corroded or cracked parts must be replaced with the same part number or with approved equivalent parts, or repaired in accordance with an approved repair procedure.

4. Upon submission of substantiating data by an owner or operator through an FAA Maintenance Inspector, the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region may adjust the inspection time in this Airworthiness Directive. Repairs and equivalent parts must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. Substantiating data for repairs and equivalent parts must be submitted by an owner or operator through an FAA Maintenance Inspector.

This amendment is effective June 5, 1975.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_75-12-05.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
75-12-05
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; McClish Model B, B75L, B85C, and Funk C Aircraft
Subject:
Support Struts and Longerons
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
06/05/1975
Make:
Funk Aircraft Company | McClish, Thomas H.
Model:
Funk C | B | B75L (Army UC-92) | B85C
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: 75-12-05
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-2225

AD NUMBER:   75-12-05

SUBJECT HEADING:   Airworthiness Directives; McClish Model B, B75L, B85C, and Funk C Aircraft

ACTION:  

SUMMARY:  

DATES:   Effective June 5, 1975.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
75-12-05 MCCLISH (Funk): Amendment 39-2225: Applies to all McClish (Funk) Model B, B75L, B85C and Funk C Aircraft.

1. Affects wing forward external support struts and rear fuselage lower longerons at the tail post.

a. Within the next ten hours' time in service or one month, whichever occurs first, after the effective date of this Airworthiness Directive, unless accomplished within the last 90 hours in service or 11 months, accomplish the following:

b. Inspect the wing forward external support struts at the lower end where the aileron cable enters the strut, for corrosion and cracks.

c. Inspect the lower fuselage longerons at the tail post and weldments in the rudder hinge post area, for corrosion and cracks.

2. The inspection specified in paragraph (1) must be repeated at intervals not to exceed 100 hours' time in service or 12 months, whichever occurs first.

3. Before further flight, all corroded or cracked parts must be replaced with the same part number or with approved equivalent parts, or repaired in accordance with an approved repair procedure.

4. Upon submission of substantiating data by an owner or operator through an FAA Maintenance Inspector, the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region may adjust the inspection time in this Airworthiness Directive. Repairs and equivalent parts must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. Substantiating data for repairs and equivalent parts must be submitted by an owner or operator through an FAA Maintenance Inspector.

This amendment is effective June 5, 1975.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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