AD 74-18-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Continental Motors | IO-360-A | TELEDYNE CONTINENTAL MOTORS Model IO-360-A, IO-360-C, IO-360-D, IO-360-H, TSIO-360-A, TSIO-360-C Engines |
| engine | Continental Motors | IO-360-C | TELEDYNE CONTINENTAL MOTORS Model IO-360-A, IO-360-C, IO-360-D, IO-360-H, TSIO-360-A, TSIO-360-C Engines |
| engine | Continental Motors | IO-360-D | TELEDYNE CONTINENTAL MOTORS Model IO-360-A, IO-360-C, IO-360-D, IO-360-H, TSIO-360-A, TSIO-360-C Engines |
| engine | Continental Motors | IO-360-H | TELEDYNE CONTINENTAL MOTORS Model IO-360-A, IO-360-C, IO-360-D, IO-360-H, TSIO-360-A, TSIO-360-C Engines |
| engine | Continental Motors | TSIO-360-A | TELEDYNE CONTINENTAL MOTORS Model IO-360-A, IO-360-C, IO-360-D, IO-360-H, TSIO-360-A, TSIO-360-C Engines |
| engine | Continental Motors | TSIO-360-C | TELEDYNE CONTINENTAL MOTORS Model IO-360-A, IO-360-C, IO-360-D, IO-360-H, TSIO-360-A, TSIO-360-C Engines |
Unsafe Condition
Cylinder failure due to cylinders assembled between July 1973 and November 1973, as indicated by the assembly date stamp 7-73, 8-73, 9-73, 10-73, or 11-73.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect each cylinder for the assembly date stamp on the machined surface between the Rocker Box covers. Remove and replace cylinders with assembly dates 7-73, 8-73, 9-73, 10-73, or 11-73 with airworthy cylinders prior to further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 25 hours time in service after the effective date of this AD, unless already accomplished
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Affected Aircraft
Teledyne Continental Motors engines: IO-360-A (serials 20080-R and 20084-R), IO-360-C (serials 350015, 350017, 350021, 60228-R, 60229-R, 900308, 900352), IO-360-D (serials 351048, 351055, 351060, 351075, 351076, 351077, 351080, 351081), IO-360-H (serials 353124 through 353134), TSIO-360-A (serials 301001, 301002), TSIO-360-C (serials 300162, 300170)
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Cylinder
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_74-18-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-18-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: TELEDYNE CONTINENTAL MOTORS Model IO-360-A, IO-360-C, IO-360-D, IO-360-H, TSIO-360-A, TSIO-360-C Engines Subject: Cylinder Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/28/1974 Make: Continental Motors Model: IO-360-A | IO-360-C | IO-360-D | IO-360-H | TSIO-360-A | TSIO-360-C Product Type: Engine Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 74-18-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1933 AD NUMBER: 74-18-07 SUBJECT HEADING: TELEDYNE CONTINENTAL MOTORS Model IO-360-A, IO-360-C, IO-360-D, IO-360-H, TSIO-360-A, TSIO-360-C Engines ACTION: SUMMARY: DATES: Effective August 28, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-18-07 TELEDYNE CONTINENTAL MOTORS: Amendment 39-1933. Applies to the following Teledyne Continental Model Engines: IO-360-A - Engine serial numbers 20080-R and 20084-R IO-360-C - Engine serial numbers 350015, 350017, 350021, 60228-R, 60229-R, 900308 and 900352. IO-360-D - Engine serial numbers 351048, 351055, 351060, 351075, 351076, 351077, 351080, and 351081. IO-360-H - Engine serial numbers 353124 through 353134. TSIO-360-A - Engine serial numbers 301001, and 301002. TSIO-360-C - Engine serial numbers 300162 and 300170. Compliance is required within the next 25 hours time in service after the effective date of this AD, unless already accomplished. To prevent cylinder failure, inspect each cylinder for the assembly date stamp located on the machined surface between the Rocker Box covers. All cylinders date stamped 7-73, 8-73, 9-73, 10-73, and 11-73 must be removed and replaced with airworthy cylinders prior to further flight. This supersedes Amendment 39-1780 (39 F.R. 4075) AD 74-3-5. This Amendment becomes effective August 28, 1974. FOOTER:
Document Text
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AD Final Rules - DRS_74-18-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-18-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: TELEDYNE CONTINENTAL MOTORS Model IO-360-A, IO-360-C, IO-360-D, IO-360-H, TSIO-360-A, TSIO-360-C Engines Subject: Cylinder Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/28/1974 Make: Continental Motors Model: IO-360-A | IO-360-C | IO-360-D | IO-360-H | TSIO-360-A | TSIO-360-C Product Type: Engine Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 74-18-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1933 AD NUMBER: 74-18-07 SUBJECT HEADING: TELEDYNE CONTINENTAL MOTORS Model IO-360-A, IO-360-C, IO-360-D, IO-360-H, TSIO-360-A, TSIO-360-C Engines ACTION: SUMMARY: DATES: Effective August 28, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-18-07 TELEDYNE CONTINENTAL MOTORS: Amendment 39-1933. Applies to the following Teledyne Continental Model Engines: IO-360-A - Engine serial numbers 20080-R and 20084-R IO-360-C - Engine serial numbers 350015, 350017, 350021, 60228-R, 60229-R, 900308 and 900352. IO-360-D - Engine serial numbers 351048, 351055, 351060, 351075, 351076, 351077, 351080, and 351081. IO-360-H - Engine serial numbers 353124 through 353134. TSIO-360-A - Engine serial numbers 301001, and 301002. TSIO-360-C - Engine serial numbers 300162 and 300170. Compliance is required within the next 25 hours time in service after the effective date of this AD, unless already accomplished. To prevent cylinder failure, inspect each cylinder for the assembly date stamp located on the machined surface between the Rocker Box covers. All cylinders date stamped 7-73, 8-73, 9-73, 10-73, and 11-73 must be removed and replaced with airworthy cylinders prior to further flight. This supersedes Amendment 39-1780 (39 F.R. 4075) AD 74-3-5. This Amendment becomes effective August 28, 1974. FOOTER:
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Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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