| AD Number | 73-25-03 | Status | Active |
| Effective Date | January 10, 1974 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-1752 |
| Product Type | ["Aircraft"] | Product Subtype | ["Rotorcraft"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Hiller Aviation |
| Model(s) | UH-12D |
73-25-03 HILLER AVIATION: Amdt. 39-1752. Applies to Hiller UH-12D helicopters certificated in all categories.
Compliance required prior to further flight for all UH-12D helicopters which have been converted from the military version (H-23D) before the effective date of this AD, and at the time of conversion for those helicopters which are converted to the UH-12D after the effective date of this AD.
To insure safe service life for the finite life components of the Hiller Model UH-12D Helicopters, accomplish the following:
Replace the finite life components listed in Hiller Aviation's UH-12D Inspection Guide, Airworthiness Limitations Section, dated November 5, 1973, at the times specified therein with new or serviceable parts.
NOTE: A copy of the finite life components list can be obtained from Hiller Aviation, 2075 West Scranton Avenue, Porterville, California, 93257, or from the FAA, Aircraft Engineering Division, P. O. Box 92007, World Way Postal Center, Los Angeles, California 90009.
This amendment becomes effective January 10, 1974.