AD 75-22-07

AD Final Rules - DRS_75-22-07.html
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AD Number:
75-22-07
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Societe Nationale Industrielle Aerospatiale Models SA341G Helicopters
Subject:
Main Gear Boxes
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
11/03/1975
Make:
Airbus Helicopters
Model:
SA341G
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Superseded AD: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Superseded By: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: 75-22-07
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-2401

AD NUMBER:   75-22-07

SUBJECT HEADING:   Airworthiness Directives; Societe Nationale Industrielle Aerospatiale Models SA341G Helicopters

ACTION:  

SUMMARY:  

DATES:   Effective November 3, 1975.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
75-22-07 SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE: Amendment 39- 2401. Applies to SA341G helicopters, certificated in all categories, equipped with main gear boxes P/N 341A.32.1000.01, .02, .03, or .05 with less than 25 hours time in service since new or overhauled, and that have not been altered in accordance with AMS 07.7077.

Compliance is required until the accumulation of 25 hours time in service on new and newly overhauled main gear box.

To detect main gear box (MGB) defects, accomplish the following:

(a) Before each flight after the effective date of this AD check the MGB magnetic plug for particles and check the main gear box for abnormal friction points or noise by slowly rotating the main rotor by hand.

(b) Before the first flight of each day after the effective date of this AD or within intervals of 5 hours MGB time in service after the last inspection, whichever occurs first, check the MGB oil filter for foreign metallic particles.

(c) If highly heated and laminated (black) particles appear on the magnetic plug, or if fine particles deposited on the magnetic plug are preceded or accompanied by bronze particles left in the main gear box oil filter, or if abnormal friction points or noise is detected on the main gear box, prior to further flight replace main gear box with a serviceable part of the same part number incorporating Modification AMS 07.7077, or an FAA-approved equivalent. The checks required by this AD may be performed by the pilot.

(Aerospatiale's Service Bulletin No. 05.10 dated February 7, 1975, refers to this subject).

This amendment becomes effective November 3, 1975.

FOOTER: