AD 79-20-07

AD Final Rules - DRS_79-20-07.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
79-20-07
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Piper Models PA-31, PA-31-325, and PA-31-350 Airplanes
Subject:
Lighter Circuit Breaker
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
09/22/1979
Effective Date:
10/02/1979
Make:
Piper Aircraft Inc.
Model:
PA-31 | PA-31-325 | PA-31-350
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Superseded AD: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Superseded By: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:
Unknown issue date, the Federal Register says it's 10/02/1979 which is incorrect.
AIRWORTHINESS DIRECTIVES FINAL RULES: 79-20-07
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3573

AD NUMBER:   79-20-07

SUBJECT HEADING:   Airworthiness Directives; Piper Models PA-31, PA-31-325, and PA-31-350 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective October 2, 1979.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
79-20-07 PIPER AIRCRAFT CORPORATION: Amendment 39-3573. Applies to the following Piper Models of airplanes, equipped with three 12 volt cigar lighters powered through a triplet of voltage dropping resistors, certificated in all categories; PA-31 and PA-31-325, S/N 31- 7712074 through 31-7912098 and PA-31-350, S/N 31-7752096 through 31-7952197.

Compliance is required within the next 25 hours time in service or 30 days, whichever occurs first, after the effective date of this AD unless already accomplished.

To prevent smoke in the cockpit, accomplish the following:

a. For Models PA-31 and PA-31-325, S/N 31-7712074 to, but not including, 31- 7912001, and PA-31-350, S/N 31-7752096 to, but not including, 31-7952001; disconnect wire CIG-1 from the 7 amp circuit breaker located at the voltage dropping resistor assembly under the instrument panel or disconnect wire CIG-1A from the 15 amp "Heater and Cigar Lighter" circuit breaker located on the pilot's circuit breaker panel.

b. For Models PA-31 and PA-31-325, S/N 31-7912001 through 31-7912098, and PA-31-350, S/N 31-7952001 through 31-7952197, except 31-7952191, 31-7952193, 31- 7952195; disconnect wire CIG-1 from the 7 amp "Lighter" circuit breaker located on the pilot's circuit breaker panel.

c. After disconnection, protect the wire by insulating its disconnected end and fold the wire end back against itself or the bundle in which it is routed and secure it.

Compliance with the provisions of this Airworthiness Directive may be accomplished in an equivalent manner approved by the Chief, Engineering and Manufacturing Branch, FAA, Southern region.

This amendment is effective October 2, 1979.

FOOTER: