AD 74-14-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | B19 | Airworthiness Directives; BEECH Models B19 and C23 Airplanes |
| aircraft | Textron Aviation Inc. | C23 | Airworthiness Directives; BEECH Models B19 and C23 Airplanes |
Unsafe Condition
Improper operation of the carburetor mixture and/or alternate air controls could result in loss of engine power or engine failure.
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Required Actions
Visually inspect the carburetor heat control and install Beech Kit No. 23-9013-1S (Models B19), inspect fuel mixture and/or carburetor heat controls and install Beech Kit 23-9013-3S and a spacer (Models C23 specified serial numbers), reroute fuel mixture control cable and install Beech Kit No. 23-9013-5S with spacer (other C23 serial numbers), and plug existing control hole with fireproof compound where cables are rerouted. Equivalent methods require FAA approval.
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Compliance Time
within 100 hours' time in service after the effective date of this AD, unless already accomplished
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Affected Aircraft
BEECH Models B19 Sport 150 (Serial Numbers MB-558 through MB-575) and Models C23 Sundowner 180 (Serial Numbers M-1413, M-1417, M-1421, M-1430 through M-1432, and additional serial ranges from M-1414 to M-1537, M-1523 through M-1537, M-1440 through M-1446, M-1448 through M-1451, M-1455, M-1459, M-1460, M-1462, M-1463, M-1465 through M-1491, M-1523 through M-1537)
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Federal Register Abstract
Carburetor and Air Controls
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_74-14-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-14-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BEECH Models B19 and C23 Airplanes Subject: Carburetor and Air Controls Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/28/1974 Make: Textron Aviation Inc. Model: B19 | C23 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 74-14-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1931 AD NUMBER: 74-14-02 SUBJECT HEADING: Airworthiness Directives; BEECH Models B19 and C23 Airplanes ACTION: SUMMARY: DATES: Effective August 28, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-14-02 BEECH: Amendment 39-1884 as amended by Amendment 39-1931. Applies to Models B19 and C23 airplanes as set forth below. Compliance: Required within 100 hours' time in service after the effective date of this AD, unless already accomplished. To assure proper operation of the carburetor mixture and/or alternate air controls, accomplish the following: A) On Models B19 Sport 150 (Serial Numbers MB-558 through MB-575) airplanes, visually inspect the carburetor heat control and install Beech Kit No. 23-9013-1S as required in accordance with Beechcraft Service Instructions 0608-159 or subsequent revisions. B) On Models C23 Sundowner 180 (Serial Numbers M-1413, M-1417, M-1421, M- 1430 through M-1432) airplanes, visually inspect the fuel mixture and/or carburetor heat controls, and install Beech Kit 23-9013-3S as required in accordance with Beechcraft Service Instruction 0608-159 and install a spacer in the fuel mixture control cable installation in accordance with Beechcraft Service Instruction 0635-159 or subsequent revisions. C) On Models C23 Sundowner 180 (Serial Numbers M-1414, M-1416, M-1418, M- 1420, M-1422, M-1424 through M-1429, M-1433 through M-1436, M-1438, M-1440 through M-1446, M-1448 through M-1451, M-1455, M-1459, M-1460, M-1462, M-1463, M-1465 through M-1491, M-1523 through M-1537) airplanes, reroute the fuel mixture control cable and install Beech Kit No. 23-9013-5S in accordance with Beechcraft Service Instruction No. 0608- 159 or subsequent revisions, and install a spacer in the fuel mixture control cable installation in accordance with Beechcraft Service Instruction No. 0635-159, or subsequent revisions. D) On those models and serial numbers listed herein, where a control cable is rerouted, plug the existing control hole in the firewall with a suitable fireproof compound, rivet or bolt. E) Any equivalent method of compliance with this AD must be submitted to and approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region. Amendment 39-1884 became effective July 8, 1974. This Amendment 39-1931 becomes effective August 28, 1974. FOOTER:
Document Text
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AD Final Rules - DRS_74-14-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-14-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BEECH Models B19 and C23 Airplanes Subject: Carburetor and Air Controls Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/28/1974 Make: Textron Aviation Inc. Model: B19 | C23 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: 74-14-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1931 AD NUMBER: 74-14-02 SUBJECT HEADING: Airworthiness Directives; BEECH Models B19 and C23 Airplanes ACTION: SUMMARY: DATES: Effective August 28, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-14-02 BEECH: Amendment 39-1884 as amended by Amendment 39-1931. Applies to Models B19 and C23 airplanes as set forth below. Compliance: Required within 100 hours' time in service after the effective date of this AD, unless already accomplished. To assure proper operation of the carburetor mixture and/or alternate air controls, accomplish the following: A) On Models B19 Sport 150 (Serial Numbers MB-558 through MB-575) airplanes, visually inspect the carburetor heat control and install Beech Kit No. 23-9013-1S as required in accordance with Beechcraft Service Instructions 0608-159 or subsequent revisions. B) On Models C23 Sundowner 180 (Serial Numbers M-1413, M-1417, M-1421, M- 1430 through M-1432) airplanes, visually inspect the fuel mixture and/or carburetor heat controls, and install Beech Kit 23-9013-3S as required in accordance with Beechcraft Service Instruction 0608-159 and install a spacer in the fuel mixture control cable installation in accordance with Beechcraft Service Instruction 0635-159 or subsequent revisions. C) On Models C23 Sundowner 180 (Serial Numbers M-1414, M-1416, M-1418, M- 1420, M-1422, M-1424 through M-1429, M-1433 through M-1436, M-1438, M-1440 through M-1446, M-1448 through M-1451, M-1455, M-1459, M-1460, M-1462, M-1463, M-1465 through M-1491, M-1523 through M-1537) airplanes, reroute the fuel mixture control cable and install Beech Kit No. 23-9013-5S in accordance with Beechcraft Service Instruction No. 0608- 159 or subsequent revisions, and install a spacer in the fuel mixture control cable installation in accordance with Beechcraft Service Instruction No. 0635-159, or subsequent revisions. D) On those models and serial numbers listed herein, where a control cable is rerouted, plug the existing control hole in the firewall with a suitable fireproof compound, rivet or bolt. E) Any equivalent method of compliance with this AD must be submitted to and approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region. Amendment 39-1884 became effective July 8, 1974. This Amendment 39-1931 becomes effective August 28, 1974. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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