AD 79-06-01

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AD Number:
79-06-01
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Consolidated Aeronautics Model Lake LA-4-200 Airplanes
Subject:
Engine Mounts with Cracked Straps
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
02/23/1979
Make:
Revo, Incorporated
Model:
Lake LA-4-200
Product Type:
Aircraft
Product Subtype:
Small Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 79-06-01
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3435

AD NUMBER:   79-06-01

SUBJECT HEADING:   Airworthiness Directives; Consolidated Aeronautics Model Lake LA-4-200 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective to all operators upon publication in the FEDERAL REGISTER, and was effective upon receipt for all recipients of the telegraphic airworthiness directive dated February 23, 1979.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   79-06-01 CONSOLIDATED AERONAUTICS: Amendment 39-3435. Applies to Lake Model LA-4-200 airplanes, serial numbers 927, 931, 933 through 941 inclusive, 944 through 947 inclusive, 949 through 953 inclusive, 955, and 957. Compliance is required as indicated, unless already accomplished. To prevent operation of riveted aluminum engine mounts with cracked straps, accomplish the following:

1. Prior to further flight and thereafter prior to each flight until paragraph 2 is accomplished, visually inspect the left and right U-shaped straps, P/N 2-5400-245, that attach the lower engine mount fittings to the mount ring for cracks in accordance with Lake Aircraft, Division of Consolidated Aeronautics, Inc., Service Bulletin B61, dated February 23, 1979. Replace cracked aluminum straps, P/N 2-5400-245, with steel straps, P/N 2-5400-275, in accordance with the above-mentioned service bulletin prior to further flight.

2. Within the next 15 hours flight time, replace the aluminum straps, P/N 2-5400- 245, installed on riveted aluminum engine mounts, with steel straps, P/N 2-5400-275, in accordance with Lake Aircraft, Division of Consolidated Aeronautics, Inc., Service Bulletin B61, dated February 23, 1979.

3. The manufacturer's specifications and procedures identified and described in this directive are 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 Lake 4 Sales Corporation, P.O. Box 399, Tomball, Texas 77375.

This amendment is effective to all operators upon publication in the FEDERAL REGISTER, and was effective upon receipt for all recipients of the telegraphic airworthiness directive dated February 23, 1979.

FOOTER: