AD 58-19-03

AD Final Rules - DRS_58-19-03.html
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AD Number:
58-19-03
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Mooney Model M20A
Subject:
Carburetor Air Box Rework
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
Make:
Mooney Aviation Company Inc
Model:
M20A
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Superseded AD: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Superseded By: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: 58-19-03
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:  

AD NUMBER:   58-19-03

SUBJECT HEADING:   Airworthiness Directives; Mooney Model M20A

ACTION:  

SUMMARY:  

DATES:  

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   58-19-03 MOONEY: Applies to Mark 20A, Items 1 and 3 to Serial Numbers 1201 Through 1275, Items 2 and 4 to Serial Numbers 1201 Through 1257, Item 5 to Serial Numbers 1201 Through 1259.
Compliance required by December 1, 1958.
Several cases have occurred in which the carburetor air box cross vanes P/N 6235 have cracked and broken off. This type failure could cause loss of power if the vanes are drawn into the carburetor opening.
Cracking of carburetor air boxes around the neck has also been reported. The following rework is therefore necessary:
1. Remove the carburetor air box and inspect for cracks. Repair as required by welding.
2. Add an aluminum brace to each side of the air box neck.
3. Remove cross vanes located in air box neck.
4. Shorten fuel overflow drain tube on bottom of air box.
5. Enlarge fuel overflow drain tube hole in bottom of cowl and replace existing grommet.
(Mooney Service Letter 20-37 covers this same subject.)

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