AD 86-07-07
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Rotorcraft Development Corporation | San Joaquin Helicopters | International Helicopters, Inc. | Richards Heavylift Helo, Inc. | UH-1B | Airworthiness Directives; GARLICK HELICOPTERS, HAWKINS AND POWERS AVIATION, INC.. INTERNATIONAL HELICOPTERS, INC., PILOT PERSONNEL INTERNATIONAL, INC., WILCO AVIATION Model UH-1B Helicopters |
Unsafe Condition
Loss of main rotor control due to Arko Precision Machinists' supplier P/N 'DW-6ZZ' on the universal assembly of the main rotor pitch change link or insufficient MIL-G-81322 grease purging past the seals.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the P/N 204-011-128-1 universal assembly for P/N 'DW-6ZZ'; replace if found. Apply MIL-G-81322 grease to grease fittings; replace universal if grease does not purge past seals. Use P/N 212-010-412-1 as an acceptable alternate replacement.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 15 days after the effective date of this AD or the next 10 hours time in service, whichever occurs first
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
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 with Bell Helicopter Textron, Inc. P/N 204-011-128-1 universal on the main rotor pitch change link
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Universal Assembly - Main Rotor
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_86-07-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 86-07-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; GARLICK HELICOPTERS, HAWKINS AND POWERS AVIATION, INC.. INTERNATIONAL HELI...Show more Subject: Universal Assembly - Main Rotor Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/25/1986 Make: Rotorcraft Development Corporation | San Joaquin Helicopters | International Helicopters, Inc. | Ric...Show more Model: UH-1B Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 86-07-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5274 AD NUMBER: 86-07-07 SUBJECT HEADING: Airworthiness Directives; GARLICK HELICOPTERS, HAWKINS AND POWERS AVIATION, INC.. INTERNATIONAL HELICOPTERS, INC., PILOT PERSONNEL INTERNATIONAL, INC., WILCO AVIATION Model UH-1B Helicopters ACTION: SUMMARY: DATES: Effective April 25, 1986. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: 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. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_86-07-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 86-07-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; GARLICK HELICOPTERS, HAWKINS AND POWERS AVIATION, INC.. INTERNATIONAL HELI...Show more Subject: Universal Assembly - Main Rotor Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/25/1986 Make: Rotorcraft Development Corporation | San Joaquin Helicopters | International Helicopters, Inc. | Ric...Show more Model: UH-1B Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 86-07-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5274 AD NUMBER: 86-07-07 SUBJECT HEADING: Airworthiness Directives; GARLICK HELICOPTERS, HAWKINS AND POWERS AVIATION, INC.. INTERNATIONAL HELICOPTERS, INC., PILOT PERSONNEL INTERNATIONAL, INC., WILCO AVIATION Model UH-1B Helicopters ACTION: SUMMARY: DATES: Effective April 25, 1986. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: 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. FOOTER:
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