| AD Number | 70-10-06 | Status | Active |
| Effective Date | Not specified | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-1008 |
| 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) | 172I 172K |
70-10-06 CESSNA: Amendment 39-990 as amended by Amendment 39-1008. Applies to Models 172I (Serial Numbers 17256513 through 17257161) and 172K (Serial Numbers 17256493, and 17257162 through 17259043) Airplanes.
Compliance: Required as indicated, unless already accomplished.
To prevent the loss of engine oil caused by failure of the metal oil pressure instrument line, accomplish the following:
Within 50 hours' time in service from June 1, 1970, but by no later than June 30, 1970, replace the metal oil pressure instrument line between the engine and the firewall with a flexible hose assembly in accordance with the instructions contained in Cessna Service Letter No. SE70-10, dated May 5, 1970, or Cessna Service Letter No. SE70-10, Supplement No. 1, dated June 9, 1970, or any other method approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.
Amendment 39-990 effective May 19, 1970.
This amendment becomes effective upon publication in the FEDERAL REGISTER.