AD 67-09-02

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AD Number:
67-09-02
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; BRANTLY Models B-2, B-2A, and B-2B Helicopters
Subject:
Main Rotor Mast
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
04/20/1967
Make:
Brantly International, Inc.
Model:
B-2 | B-2A | B-2B
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Superseded AD: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Superseded By: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: 67-09-02
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-373

AD NUMBER:   67-09-02

SUBJECT HEADING:   Airworthiness Directives; BRANTLY Models B-2, B-2A, and B-2B Helicopters

ACTION:  

SUMMARY:  

DATES:   Effective April 20, 1967.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
67-09-02 BRANTLY: Amdt. 39-373 Part 39 Federal Register March 21, 1967. Applies to Models B-2, B-2A, and B-2B Helicopters with P/N B2-324 Transmission Serial Numbers Prior to Serial Number 307.

Compliance required as indicated.

To improve the service life and reliability of the upper main rotor mast bearing, within the next 100 hours' time in service after the effective date of this AD, remove the Fafnir P/N 212K bearing presently installed and replace it with an Indiana Gear Works P/N 4524A56, Revision E, sealed bearing. This substitution is to be accomplished as prescribed by Brantly Helicopter Company Service Bulletin No. 21 and applicable sections of the Model B-2 Series helicopter maintenance manuals.

This directive effective April 20, 1967

FOOTER: