AD 79-08-06
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lycoming Engines | Marvel-Schebler Products Division | O-540-L3C5D | Airworthiness Directives; MARVEL-SCHEBLER/TILLOTSON: Applies to HAJ-6 Part Number 10-5243 Carburetors |
| aircraft | Lycoming Engines | Marvel-Schebler Products Division | Carburetors | Airworthiness Directives; MARVEL-SCHEBLER/TILLOTSON: Applies to HAJ-6 Part Number 10-5243 Carburetors |
| appliance | Lycoming Engines | Marvel-Schebler Products Division | O-540-L3C5D | Airworthiness Directives; MARVEL-SCHEBLER/TILLOTSON: Applies to HAJ-6 Part Number 10-5243 Carburetors |
| appliance | Lycoming Engines | Marvel-Schebler Products Division | Carburetors | Airworthiness Directives; MARVEL-SCHEBLER/TILLOTSON: Applies to HAJ-6 Part Number 10-5243 Carburetors |
Unsafe Condition
Failure of the engine during idle conditions due to the carburetor's inability to maintain proper fuel flow.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the carburetor from service and replace with an airworthy HAJ-6 Part Number 10-5243 carburetor having serial number DF-1-500 or subsequent.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 30 days after the effective date of this AD, unless previously accomplished
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Marvel-Schebler/Tilotson HAJ-6 Part Number 10-5243 carburetors with specified serial numbers installed on Cessna TR182 aircraft with Lycoming O-540-L3C5D engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Carburetors
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_79-08-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 79-08-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; MARVEL-SCHEBLER/TILLOTSON: Applies to HAJ-6 Part Number 10-5243 Carburetors Subject: Carburetors Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/25/1979 Make: Lycoming Engines | Marvel-Schebler Products Division Model: O-540-L3C5D | Carburetors Product Type: Appliance Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 79-08-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3450 AD NUMBER: 79-08-06 SUBJECT HEADING: Airworthiness Directives; MARVEL-SCHEBLER/TILLOTSON: Applies to HAJ-6 Part Number 10-5243 Carburetors ACTION: SUMMARY: DATES: Effective April 25, 1979. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 79-08-06 MARVEL-SCHEBLER/TILLOTSON: Amendment 39-3450. Applies to HAJ-6 Part Number 10-5243 carburetors with the following serial numbers installed on aircraft certificated in all categories: DF-1-100 118 133 151 174 191 216 250 276 300 101 119 134 154 175 193 218 251 277 301 102 120 135 176 157 194 219 255 278 302 103 121 136 159 177 195 220 256 279 303 104 122 137 161 179 200 222 258 282 304 106 123 138 162 180 202 223 260 287 307 107 124 139 163 182 204 225 261 290 312 110 125 143 164 183 205 227 263 292 313 111 127 144 167 184 208 229 264 293 318 112 128 145 168 185 209 231 266 295 113 129 147 170 186 210 237 269 296 114 130 148 171 187 211 238 271 297 116 131 149 172 189 212 240 274 298 117 132 150 173 190 241 245 275 299 These carburetors are installed on, but are not limited to Cessna TR182 aircraft with Lycoming O-540-L3C5D engines. Compliance required within 30 days after the effective date of this AD, unless previously accomplished. To preclude failure of the engine during idle conditions, remove the carburetor from service and replace with an airworthy carburetor of the same part number with serial number DF-1-500 or subsequent. The aircraft may be flown in accordance with FAR 21.197 to a base where the modification can be performed. This amendment becomes effective April 25, 1979. FOOTER:
Document Text
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AD Final Rules - DRS_79-08-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 79-08-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; MARVEL-SCHEBLER/TILLOTSON: Applies to HAJ-6 Part Number 10-5243 Carburetors Subject: Carburetors Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/25/1979 Make: Lycoming Engines | Marvel-Schebler Products Division Model: O-540-L3C5D | Carburetors Product Type: Appliance Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 79-08-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3450 AD NUMBER: 79-08-06 SUBJECT HEADING: Airworthiness Directives; MARVEL-SCHEBLER/TILLOTSON: Applies to HAJ-6 Part Number 10-5243 Carburetors ACTION: SUMMARY: DATES: Effective April 25, 1979. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 79-08-06 MARVEL-SCHEBLER/TILLOTSON: Amendment 39-3450. Applies to HAJ-6 Part Number 10-5243 carburetors with the following serial numbers installed on aircraft certificated in all categories: DF-1-100 118 133 151 174 191 216 250 276 300 101 119 134 154 175 193 218 251 277 301 102 120 135 176 157 194 219 255 278 302 103 121 136 159 177 195 220 256 279 303 104 122 137 161 179 200 222 258 282 304 106 123 138 162 180 202 223 260 287 307 107 124 139 163 182 204 225 261 290 312 110 125 143 164 183 205 227 263 292 313 111 127 144 167 184 208 229 264 293 318 112 128 145 168 185 209 231 266 295 113 129 147 170 186 210 237 269 296 114 130 148 171 187 211 238 271 297 116 131 149 172 189 212 240 274 298 117 132 150 173 190 241 245 275 299 These carburetors are installed on, but are not limited to Cessna TR182 aircraft with Lycoming O-540-L3C5D engines. Compliance required within 30 days after the effective date of this AD, unless previously accomplished. To preclude failure of the engine during idle conditions, remove the carburetor from service and replace with an airworthy carburetor of the same part number with serial number DF-1-500 or subsequent. The aircraft may be flown in accordance with FAR 21.197 to a base where the modification can be performed. This amendment becomes effective April 25, 1979. FOOTER:
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Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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