AD 73-01-01

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AD Number:
73-01-01
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; North American Rockwell - Aero Commander Model 100-180 and Model 100 Airplanes
Subject:
Exhaust Outlet Blockage
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
12/29/1972
Make:
Dynac Aerospace Corporation
Model:
Aero Commander 100 | Aero Commander 100-180
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Superseded AD: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Superseded By: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: 73-01-01
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-1578

AD NUMBER:   73-01-01

SUBJECT HEADING:   Airworthiness Directives; North American Rockwell - Aero Commander Model 100-180 and Model 100 Airplanes


ACTION:  

SUMMARY:  

DATES:   Effective December 29, 1972.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
73-01-01 NORTH AMERICAN ROCKWELL - AERO COMMANDER: Amdt. 39-1578. Applies to Model 100-180 Serial Numbers 068, 5001 through 5213 certificated in all categories. Model 100 Serial Numbers 251 through 360 and those Model 100's retrofitted with Elano Corporation exhaust system (NEE Turbo System Inc.) P/N 099001, certificated in all categories.

Compliance required as follows:

For exhaust systems which have accumulated 500 or more hours time in service accomplish the following prior to the next 25 hours time in service unless already accomplished.

To prevent loss or reduction of engine power due to exhaust outlet blockage accomplish the following:

(1) Inspect and repair or replace the exhaust system components in accordance with FAA Advisory Circular AC No. 43.13-1 Chapter 14, Section 3.

(2) Install Aero Commander exhaust outlet guard Part Number SK1093, or equivalent approved by Chief, Engineering and Manufacturing Branch, Southern Region, as follows:

(a) Remove muffler heater shroud.

(b) Drill 5/16 inch diameter hole through one wall of the exhaust tailpipe. Hole to be drilled on side of tail pipe closest to centerline of the airplane. Hole to be located 3 3/8 inches down from muffler outer wall.

(c) Install outlet guard Part Number SK1093 in hole and position so that guard does not touch any part of the inner muffler parts.

(d) Tighten guard around tailpipe and reassemble exhaust system.

Aero Commander Service Bulletin SB 1019 covers this same subject.

This amendment becomes effective December 29, 1972.

FOOTER: