AD 86-20-10

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AD Number:
86-20-10
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
ROLLS-ROYCE plc Models Dart Mks., 506, 506F, 510, 510A, 511, 511-7E, 514, 514-7, and 515 Engines
Subject:
High Pressure Turbine Disks
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
11/04/1986
Make:
Rolls-Royce Deutschland Ltd & Co KG
Model:
Dart 506 | Dart 510 | Dart 511 | Dart 511-7E | Dart 514 | Dart 514-7
Product Type:
Engine
Product Subtype:
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 86-20-10
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-5415

AD NUMBER:   86-20-10

SUBJECT HEADING:   ROLLS-ROYCE plc Models Dart Mks., 506, 506F, 510, 510A, 511, 511-7E, 514, 514-7, and 515 Engines

ACTION:  

SUMMARY:  

DATES:   Effective November 4, 1986.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
86-20-10 ROLLS-ROYCE plc: Amendment 39-5415. Applies to Rolls-Royce Dart Mks., 506, 506F, 510, 510A, 511, 511-7E, 514, 514-7, and 515 turboprop engines.

Compliance is required as indicated, unless already accomplished.

To prevent cracking of high pressure turbine disks, install new or reworked oversize high pressure nozzle guide vane(s) in accordance with Rolls-Royce Dart (R-R) Service Bulletin (SB) Da72-451, Revision 5, dated June 1982, or FAA approved equivalent, by October 1, 1987.

Aircraft may be ferried in accordance with the provisions of FAR 21.197 and 21.199 to a base where the AD can be accomplished.

Upon request, an equivalent means of compliance with the requirements of this AD may be approved by the Manager, Engine Certification Office, Aircraft Certification Division, Federal Aviation Administration, New England Region, 12 New England Executive Park, Burlington, Massachusetts 01803.

Upon submission of substantiating data by an owner or operator through an FAA maintenance inspector, the Manager, Engine Certification Office, New England Region, may adjust the compliance time specified in this AD.

R-R SB Da72-451, Revision 5, dated June 1982, identified and described in this document, is 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 this document from the manufacturer may obtain copies upon request to Rolls-Royce plc - East Kilbride, Attn: Dart Engine Service Manager, Glasgow G74-4PY, Scotland. This document may also be examined at the Office of the Regional Counsel, Federal Aviation Administration, New England Region, 12 New England Executive Park, Burlington, Massachusetts 01803, Room 311, Rules Docket Number 86-ANE-19, between the hours of 8:00 a.m. and 4:30 p.m., Monday through Friday, except Federal holidays.

This amendment becomes effective on November 4, 1986.

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