| AD Number | 80-08-14 | Status | Active |
| Effective Date | April 22, 1980 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-3745 |
| Product Type | ["Appliance"] | Product Subtype | Not specified |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Pure Air, Inc. |
| Model(s) | Carburetor Air Inlet Filter |
80-08-14 PURE-AIR, INC.: Amendment 39-3745. Applies to all aircraft using the Pure-Air, Inc. carburetor air inlet filter installed per STC SA69NW.
Compliance is required as indicated.
A. Within 60 days from the effective date of this AD, unless already accomplished.
1. Remove Pure-Air filter foam elements which have been installed for more than 100 hours time in service or one year, whichever occurs first, and install screen (PN M-117 Large or PN M-118 Small) on the downstream inside surface of the filter box (PN M-102 Large or PN M-101 Small) by means of the filter attach bolts.
2. Replace each Pure-Air filter element which has accumulated either 100 hours or one year in service with a new filter element.
B. Replace the foam filter element:
1. Every 100 hours time in service or 12 calendar months, whichever comes first.
2. Any time the filter element becomes 50% covered with any foreign material.
C. Install the new Pure-Air supplies decal, which reflects the above replacement times, in plain view on the upper right hand outside surface of the filter box.
This amendment becomes effective April 22, 1980.