Back to AD

AD 86-07-07 ACTIVE

Universal Assembly - Main Rotor
Key Information
AD Number 86-07-07 Status Active
Effective Date April 25, 1986 Issue Date Not specified
Docket Number Unknown Amendment 39-5274
Product Type ["Aircraft"] Product Subtype ["Rotorcraft"]
CFR Part --- - Part 39 CFR Section N/A
Citation This information is not available.
Applicability
Manufacturer(s) Rotorcraft Development Corporation Rotorcraft Development Corporation San Joaquin Helicopters International Helicopters, Inc. Richards Heavylift Helo, Inc.
Model(s) UH-1B UH-1B UH-1B UH-1B
Regulatory Text

86-07-07 GARLICK HELICOPTERS, HAWKINS AND POWERS AVIATION, INC.. INTERNATIONAL HELICOPTERS, INC., PILOT PERSONNEL INTERNATIONAL, INC., WILCO AVIATION: Amendment 39-5274. Applies to Model UH-1B helicopters modified by Garlick Helicopters, Hawkins and Powers Aviation, Inc., International Helicopters, Inc., Pilot Personnel International, Inc., and Wilco Aviation certified in any category that have a Bell Helicopter Textron, Inc., Part Number (P/N) 204-011-128-1 universal on the main rotor pitch change link.

Unless already accomplished, compliance is required within 15 days after the effective date of this AD or the next 10 hours time in service, whichever occurs first.

To prevent loss of main rotor control, accomplish the following:

(a) Inspect the P/N 204-011-128-1 universal assembly on the pitch change control link of the main rotor for Arko Precision Machinists' supplier P/N "DW-6ZZ." If found, replace before further flight with a serviceable assembly.

(b) If the P/N "DW-6ZZ" is missing or cannot be seen, apply MIL-G-81322 grease to each of the two grease fittings on the universal. If the grease does not purge past the seals, replace the P/N 204-011-128-1 universal before further flight with a serviceable assembly.

(c) P/N 212-010-412-1 universal is an acceptable alternate replacement for P/N 204-011-128-1 and may be considered interchangeable.

(d) Any alternate method of compliance which provides an equivalent level of safety with this AD may be used when approved by the Manager, Helicopter Certification Branch, Federal Aviation Administration, 4400 Blue Mound Road, Fort Worth, Texas 76106.

This amendment becomes effective April 25, 1986.