AD 84-12-51

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AD Number:
84-12-51
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; WESTLAND HELICOPTERS LIMITED Model 30 Series 100 Helicopter
Subject:
Main Rotor Blade Inspection
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
09/11/1984
Make:
Westland Helicopters Limited
Model:
Westland 30 Series 100
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Superseded AD: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Superseded By: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: 84-12-51
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4904

AD NUMBER:   84-12-51

SUBJECT HEADING:   Airworthiness Directives; WESTLAND HELICOPTERS LIMITED Model 30 Series 100 Helicopter

ACTION:  

SUMMARY:  

DATES:   Effective September 11, 1984.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
84-12-51 WESTLAND HELICOPTERS LIMITED: Amendment 39-4904. Applies to Westland Model 30 Series 100 helicopters certificated in all categories.

Compliance is required as indicated (unless already accomplished).

To prevent possible hazards in flight associated with cracking of the main rotor blades, accomplish the following:

(a) Before the next flight and thereafter before the first flight of each day, visually inspect the main rotor blades in accordance with Westland Service Bulletin W30-05-23 dated July 16, 1984, or FAA-approved equivalent.

(b) Within 15 hours after the effective date of this AD, unless already accomplished, conduct an eddy current inspection of the main rotor blade and thereafter at intervals not to exceed every 15 hours time in service since the last inspection in accordance with Westland Service Bulletin W30-05-23, or FAA-approved equivalent.

(c) Remove from service any main rotor blade where cracking is found and replace with a serviceable part prior to next flight.

(d) An equivalent method of compliance with the AD may be used when approved by the Manager, Brussels Aircraft Certification Office, Federal Aviation Administration, c/o American Embassy, APO New York 09667.

This amendment becomes effective September 11, 1984, as to all persons except those person to whom it was made immediately effective by telegraphic AD T84-12-51, issued June 5, 1984, which contained this amendment.

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