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AD 84-15-04 ACTIVE

Tail Rotor Controls
Key Information
AD Number 84-15-04 Status Active
Effective Date August 03, 1984 Issue Date Not specified
Docket Number Unknown Amendment 39-4893
Product Type ["Aircraft"] Product Subtype ["Rotorcraft"]
CFR Part --- - Part 39 CFR Section N/A
Citation This information is not available.
Applicability
Manufacturer(s) Sikorsky Aircraft Corporation
Model(s) S-76A
Regulatory Text

84-15-04 SIKORSKY AIRCRAFT DIVISION: Amendment 39-4893. Applies to all Sikorsky Model S-76A helicopters, certificated in all categories. Compliance is required within 30 days after the effective date of this AD unless already accomplished.

To prevent loss of control of the helicopter due to tail rotor control cable failure, accomplish the following:

Unless already accomplished, install a tail rotor controls centering quadrant in accordance with Sikorsky Customer Service Notice No. 76-133, Revision A, dated November 10, 1983, or FAA-approved equivalent.

Upon submission of substantiating data by an owner or operator through an FAA maintenance inspector, the compliance time of this AD may be adjusted and/or an equivalent method of compliance may be approved upon request to the Manager, Boston Aircraft Certification Office, 12 New England Executive Park, Burlington, Massachusetts 01803, telephone (617) 273-7118.

This amendment becomes effective August 3, 1984.