AD 77-17-08

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AD Number:
77-17-08
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
AVCO LYCOMING Model T53 Series Engines
Subject:
Fuel Regulator P1 Multiplier Lever
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
03/30/1978
Effective Date:
03/30/1978
Make:
Honeywell International Inc.
Model:
T53-L-703 | T5307A | T5309A | T5309B | T5309C | T5311A | T5311B | T5313A | T5313B | T5317A
Product Type:
Engine
Product Subtype:
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
AIR-700: Compliance & Airworthiness Division
Office of Primary Responsibility:
AIR-720: Operational Safety Branch
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 77-17-08
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3165

AD NUMBER:   77-17-08

SUBJECT HEADING:   AVCO LYCOMING Model T53 Series Engines

ACTION:  

SUMMARY:  

DATES:   Effective March 30, 1978.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
77-17-08 AVCO LYCOMING: Amendment 39-3019 as amended by Amendment 39-3165. Applies to all Avco Lycoming T53 series engines.

Compliance for P/Ns 1-170-240-52, 1-170-240-58, and 1-170-240-59 is required by September 15, 1977.

Compliance for remaining part numbers listed below is required by May 1, 1978.

To preclude possible failure of the fuel regulator P1 multiplier lever resulting in flameout of the engine, perform the following in accordance with Avco Lycoming Service Bulletin No. 0048, Revision 1, dated March 15, 1978, or later revision approved by the Chief, Engineering and Manufacturing Branch, FAA, New England Region:

1. Fill the fuel regulator P1 multiplier cavity with silicone oil, General Electric P/N SF96-100, or equivalent.

2. Reidentify the fuel regulator, from P/N 1-170-240-52 to P/N 1-170-240-61, or from P/N 1-170-240-58 to P/N 1-170-240-60, or from P/N 1-170-240-59 to P/N 1-170-240-62.

From P/N To P/N

1-160-840-01 1-160-840-15
1-160-840-02 1-160-840-14
1-160-840-03 1-160-840-13
1-160-840-09 1-160-840-11
1-160-840-10 1-160-840-12

1-160-950-02 1-160-950-16
1-160-950-04 1-160-950-15
1-160-950-05 1-160-950-17
1-160-950-06 1-160-950-18
1-160-950-08 1-160-950-19
1-160-950-10 1-160-950-13
1-160-950-12 1-160-950-14

1-170-240-01 1-170-240-68
1-170-240-03 1-170-240-69
1-170-240-04 1-170-240-70
1-170-240-05 1-170-240-71
1-170-240-06 1-170-240-72
1-170-240-08 1-170-240-73
1-170-240-09 1-170-240-74
1-170-240-12 1-170-240-75
1-170-240-17 1-170-240-76
1-170-240-19 1-170-240-77
1-170-240-20 1-170-240-78
1-170-240-21 1-170-240-64
1-170-240-25 1-170-240-79
1-170-240-26 1-170-240-80
1-170-240-27 1-170-240-81
1-170-240-30 1-170-240-82
1-170-240-45 1-170-240-63
1-170-240-46 1-170-240-83
1-170-240-47 1-170-240-84
1-170-240-48 1-170-240-67
1-170-240-49 1-170-240-65
1-170-240-57 1-170-240-66

The manufacturer's Service Bulletin identified and described in this directive 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 these documents from the manufacturer may obtain copies upon request to Avco Lycoming Division, 550 South Main Street, Stratford, Connecticut 06497. These documents may also be examined at Federal Aviation Administration, New England Region, 12 New England Executive Park, Burlington, Massachusetts 01803, and at FAA Headquarters, 800 Independence Avenue S.W., Washington, D.C.

A historical file on this A.D. which includes the incorporated material in full is maintained by the FAA at its Headquarters in Washington, D.C., and at New England Region.

Amendment 39-3019 became effective August 31, 1977.

This amendment 39-3165 becomes effective March 30, 1978.

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