| AD Number | 63-22-01 | Status | Active |
| Effective Date | October 25, 1963 | 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) | Allied Ag Cat Productions, Inc. |
| Model(s) | G-164 G-164A G-164B G-164B-15T G-164B-20T G-164B-34T G-164B (with 73 inch wing gap) G-164C G-164D G-164D (with 73 inch wing gap) |
63-22-01 GRUMMAN: Amdt. 632 Part 507 Federal Register October 25, 1963. Applies to Model G-164 Aircraft Serial Numbers 1 through 220.
Compliance required within the next 100 hours' time in service after the effective date of this AD, unless already accomplished.
To prevent damage to fuel and oil lines from spray pump fan blades, rivet two 0.063 inch thick 2024-T3 aluminum alloy sheets approximately 6 inches wide by 18 and 28 inches long each, to the left and right lower accessory cowl panels using at least 10 and 16 AD 4 type rivets respectively. Center the plate's long dimension opposite the spray pump fan blade arc.
(Grumman Aircraft Engineering Corporation Model G-164 Service Bulletin No. 23, dated June 17, 1963, pertains to this same subject and also lists the availability of Grumman armor plates P/N's A1624-111 and -113.)
This directive effective October 25, 1963.