AD 70-11-04

AD Final Rules - DRS_70-11-04.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
70-11-04
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Bell Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2 and 47H-1 Helicopters
Subject:
Wood Main Rotor Blades
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
06/26/1970
Make:
Scotts-Bell 47 Inc
Model:
47B | 47B3 | 47D | 47D1 | 47G | 47G-2 | 47H-1
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Superseded AD: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Superseded By: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: 70-11-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-995

AD NUMBER:   70-11-04

SUBJECT HEADING:   Airworthiness Directives; Bell Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2 and 47H-1 Helicopters

ACTION:  

SUMMARY:  

DATES:   Effective June 26, 1970.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
70-11-04 BELL: Amdt. 39-995. Applies to Bell Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, 47H-1 helicopters, and to any other helicopters, equipped with wood main rotor blades and drag link equalizer horn, P/N 47-120-167-1.

Compliance required within 50 hours' time in service after the effective date of this AD, unless already accomplished.

To prevent possible failure of the drag link equalizer horn due to improper casting material, accomplish the one-time inspection for hardness as specified in Part I and Part II of Bell Helicopter Company Service Bulletin No. 144 SB dated October 9, 1969. Before further flight remove and replace horns having hardness values below those specified in Part II of Bell Helicopter Company Service Bulletin No. 144 SB.

The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to the Service Manager, Bell Helicopter Company, P. O. Box 482, Fort Worth, Texas 76101.

These documents may also be examined at the Office of the Regional Counsel, Southwest Region, FAA, 4400 Blue Mound Road, Fort Worth, Texas, and at FAA Headquarters, 800 Independence Avenue, S.W., Washington, D.C. A historical file on this AD which includes the incorporated material in full is maintained by the FAA at its headquarters in Washington, D.C., and at the Southwest Region Office in Fort Worth, Texas.

This amendment becomes effective June 26, 1970.

FOOTER: