| AD Number | 46-44-04 | Status | Active |
| Effective Date | Not specified | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | N/A |
| Product Type | ["Aircraft"] | Product Subtype | ["Small Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Cessna Aircraft Company |
| Model(s) | 120 140 |
46-44-04 CESSNA: (Was Mandatory Note 4 of AD-768-4.) Applies to 120 and 140 Aircraft Serial Numbers Up to and Including 9721.
Replacement required prior to December 1, 1946.
All U. S. Rubber Co. P-212 and P-212L Series flexible ducts installed in the carburetor hot air system should be replaced by U. S. Rubber Co. P-208-S duct or P-208 duct coated with neoprene by Cessna or its distributors.
(Cessna Service Letter No. 16-120 and 140 covers this same subject.)