AD 72-01-07

AD Final Rules - DRS_72-01-07.html
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AD Number:
72-01-07
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Piper Models PA-18, PA-18-105, PA-18-125, PA-18-135, PA-18A, PA-18A-125, a...Show more
Subject:
Failure of Engine Mount
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
04/11/1972
Effective Date:
04/17/1972
Make:
Piper Aircraft Inc.
Model:
PA-18 | PA-18-105 (Special) | PA-18-125 (Army L-21A) | PA-18-135 | PA-18A | PA-18A-135
Product Type:
Aircraft
Product Subtype:
Small Airplane
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Superseded AD: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Superseded By: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: 72-01-07
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-1434

AD NUMBER:   72-01-07

SUBJECT HEADING:   Airworthiness Directives; Piper Models PA-18, PA-18-105, PA-18-125, PA-18-135, PA-18A, PA-18A-125, and PA-18A-135 Aircraft

ACTION:  

SUMMARY:  

DATES:   Effective April 17, 1972.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
72-01-07 PIPER: Amdt. 39-1369 as amended by Amendment 39-1434. Applies to Piper Model PA-18, PA-18-105, -125, -135, PA-18A, PA-18A-125, -135, and seaplane versions of those models which have been modified after May 14, 1968 in accordance with Supplemental Type Certificate SA 136 AL to incorporate the installation of the Lycoming O-320 engine (150 HP). Factory delivered models having serial numbers 18-3771 and 18-3781 and above, incorporating the O-320 engine, are not affected by this AD.

Compliance is required as indicated.

To prevent possible failure of the engine mount, within the next 25 hours' time in service after the effective date of this AD, unless already accomplished, install engine mount, P/N 12351- 12, in accordance with Piper Drawing Number 12351, Mount Assembly-engine, including Revision J dated January 16, 1968, or an equivalent approved by the Chief, Engineering and Manufacturing Branch of an FAA region (or in the case of the Western Region, the Chief, Aircraft Engineering Division).

NOTE: Engine mount assembly P/N 12351-12 may be identified by the gage of Tube "A" and Tube "B" which measure .049 inches, and by the incorporation of two reinforcing plates, number 14438, mounted at the lower right engine attachment points as shown on Piper Drawing Number 12351, Mount Assembly-Engine, including Revision J dated January 16, 1968.

Amendment 39-1369 became effective January 27, 1972.

This Amendment 39-1434 becomes effective April 17, 1972.

FOOTER: