AD 78-20-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 76 | Airworthiness Directives; BEECH Model 76 Airplanes |
Unsafe Condition
Failure of the rudder and elevator trim tab push rods.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace Beech Part Number 105-520024-5 with new Part Number 105-520045-9 for rudder trim tab push rod, and replace Beech Part Number 105-520024-1 with new Part Number 105-520048-1 for elevator trim tab push rod. Rebalance control surfaces where necessary per Beechcraft Liberal Service Letter No. 78-4 or later revisions.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
prior to further flight
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Affected Aircraft
BEECH Model 76 airplanes with Serial Numbers ME-1 through ME-62 and ME-66
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Federal Register Abstract
Trim Tab Push Rods
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_78-20-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-20-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BEECH Model 76 Airplanes Subject: Trim Tab Push Rods Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/12/1978 Make: Textron Aviation Inc. Model: 76 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 78-20-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3311 AD NUMBER: 78-20-08 SUBJECT HEADING: Airworthiness Directives; BEECH Model 76 Airplanes ACTION: SUMMARY: DATES: Effective October 12, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-20-08 BEECH: Amendment 39-3311. Applies to Model 76 (Serial Numbers ME-1 through ME-62 and ME-66) airplanes. To preclude failure of the rudder and elevator trim tab push rods, prior to further flight: A) If not previously accomplished, replace Beech Part Number 105-520024-5 rudder trim tab push rod with new Beech Part Number 105-520045-9 rudder trim tab push rod and rebalance the rudder control surface, where necessary, in accordance with Beechcraft Liberal Service Letter No. 78-4 dated September 14, 1978, or later approved revisions. B) If not previously accomplished, replace Beech Part Number 105-520024-1 elevator trim tab push rod with new Beech Part Number 105-520048-1 elevator trim tab push rod and rebalance the elevator control surfaces, where necessary, in accordance with Beechcraft Liberal Service Letter No. 78-4 dated September 14, 1978, or later approved revisions. C) Aircraft may not be flown in accordance with FAR 21.197 to a base to accomplish this AD, unless authorized by the Chief, Engineering and Manufacturing Branch, FAA, Central Region. D) Any equivalent method of compliance with this AD must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region. This amendment becomes effective October 12, 1978, to all persons except those to whom it has already been made effective by telegram from the FAA dated September 9, 1978. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_78-20-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-20-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BEECH Model 76 Airplanes Subject: Trim Tab Push Rods Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/12/1978 Make: Textron Aviation Inc. Model: 76 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: 78-20-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3311 AD NUMBER: 78-20-08 SUBJECT HEADING: Airworthiness Directives; BEECH Model 76 Airplanes ACTION: SUMMARY: DATES: Effective October 12, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-20-08 BEECH: Amendment 39-3311. Applies to Model 76 (Serial Numbers ME-1 through ME-62 and ME-66) airplanes. To preclude failure of the rudder and elevator trim tab push rods, prior to further flight: A) If not previously accomplished, replace Beech Part Number 105-520024-5 rudder trim tab push rod with new Beech Part Number 105-520045-9 rudder trim tab push rod and rebalance the rudder control surface, where necessary, in accordance with Beechcraft Liberal Service Letter No. 78-4 dated September 14, 1978, or later approved revisions. B) If not previously accomplished, replace Beech Part Number 105-520024-1 elevator trim tab push rod with new Beech Part Number 105-520048-1 elevator trim tab push rod and rebalance the elevator control surfaces, where necessary, in accordance with Beechcraft Liberal Service Letter No. 78-4 dated September 14, 1978, or later approved revisions. C) Aircraft may not be flown in accordance with FAR 21.197 to a base to accomplish this AD, unless authorized by the Chief, Engineering and Manufacturing Branch, FAA, Central Region. D) Any equivalent method of compliance with this AD must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region. This amendment becomes effective October 12, 1978, to all persons except those to whom it has already been made effective by telegram from the FAA dated September 9, 1978. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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