| AD Number | 81-15-02 | Status | Active |
| Effective Date | August 07, 1981 | Issue Date | July 13, 1981 |
| Docket Number | Unknown | Amendment | 39-4154 |
| Product Type | ["Aircraft"] | Product Subtype | ["Rotorcraft"] |
| CFR Part | --- - Part 39 | CFR Section | --- - _EMPTY_ |
| Citation | Federal Register Volume 46, Number 133 (Monday, July 13, 1981) | ||
| Manufacturer(s) | Airbus Helicopters |
| Model(s) | AS350B AS350C AS350D AS350D1 |
81-15-02 SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (SNIAS): Amendment 39-4154. Applies to Models AS350B, AS350C, AS350D, and AS350D-1 helicopters equipped with Air Cruisers' emergency flotation gear Model D24724 in accordance with STC SH2825SW (AS350C, AS350D, AS350D-1) or SH4032SW (AS350B), certificated in all categories (Airworthiness Docket No. 81-ASW-30).
Compliance required as indicated.
To prevent possible failure of the emergency float gear mounting brackets, P/N D16532- 2, D16625-3, and D16625-4, due to fatigue cracks, accomplish the following within the next 10 hours' time in service after the effective date of this AD, unless already accomplished.
a. Conduct a dimensional inspection of the four float mounting brackets, in accordance with Figure 1 of Aerospatiale Helicopter Corp. Service Bulletin No. SB350-13, dated May 22, 1981, to determine which part number brackets are installed.
b. If machined brackets, P/N D16532-1, D16625-1, and D16625-2 are installed, no further action is necessary.
c. If cast brackets, P/N D16532-2, D16625-3, and D16625-4, are installed, remove and replace with machined brackets, P/N D16532-1, D16625-1, and D16625-2.
d. The helicopter may be flown in accordance with FAR 21.197 to a base where the inspection can be performed.
This amendment becomes effective August 7, 1981.