AD 47-50-02

final rule

Airworthiness Directives; CESSNA Model 120 and 140 Airplanes

AD Number
47-50-02
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of a riveted aircraft structural panel and frame
Problem area Airframe structure

Applicability

TypeManufacturerModelDetails
aircraft Cessna Aircraft Company 120 Airworthiness Directives; CESSNA Model 120 and 140 Airplanes
aircraft Cessna Aircraft Company 140 Airworthiness Directives; CESSNA Model 120 and 140 Airplanes

Unsafe Condition

Cracks in the lower right-hand corner of the cutout in the fuselage rear bulkhead extending down to the rivet holes at the nearest anchor nut.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect the lower right-hand corner of the cutout in the fuselage rear bulkhead for cracks every 100 hours of operation. If cracks are found, install the new type bulkhead with reinforcement channel per Cessna Drawing No. 0412169.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

upon each 100 hours of operation until fuselage rear bulkhead (tail post) has been reinforced

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Cessna Model 120 and 140 Aircraft Serial Numbers Up to and Including 14289.

AI-generated summary from the source AD text. Verify against the official source before acting.

Federal Register Abstract

Fuselage Bulkhead

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_47-50-02.html
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Details
AD Number:
47-50-02
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; CESSNA Model 120 and 140 Airplanes
Subject:
Fuselage Bulkhead
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
Make:
Cessna Aircraft Company
Model:
120 | 140
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Superseded AD: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Superseded By: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: 47-50-02
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:  

AD NUMBER:   47-50-02

SUBJECT HEADING:   Airworthiness Directives; CESSNA Model 120 and 140 Airplanes

ACTION:  

SUMMARY:  

DATES:  

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
47-50-02 CESSNA: Applies to 120 and 140 Aircraft Serial Numbers Up to and Including 14289.

Inspection required upon each 100 hours of operation until fuselage rear bulkhead (tail post) has been reinforced.

Inspect the lower right-hand corner of the cutout in the fuselage rear bulkhead for cracks which usually extend down to the rivet holes at the nearest anchor nut. If cracks are found, install the new type bulkhead with reinforcement channel added per Cessna Drawing No. 0412169.

(Cessna Service Letter No. 46 dated July 31, 1947, covers this same subject.)


FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_47-50-02.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
47-50-02
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; CESSNA Model 120 and 140 Airplanes
Subject:
Fuselage Bulkhead
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
Make:
Cessna Aircraft Company
Model:
120 | 140
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: 47-50-02
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:  

AD NUMBER:   47-50-02

SUBJECT HEADING:   Airworthiness Directives; CESSNA Model 120 and 140 Airplanes

ACTION:  

SUMMARY:  

DATES:  

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
47-50-02 CESSNA: Applies to 120 and 140 Aircraft Serial Numbers Up to and Including 14289.

Inspection required upon each 100 hours of operation until fuselage rear bulkhead (tail post) has been reinforced.

Inspect the lower right-hand corner of the cutout in the fuselage rear bulkhead for cracks which usually extend down to the rivet holes at the nearest anchor nut. If cracks are found, install the new type bulkhead with reinforcement channel added per Cessna Drawing No. 0412169.

(Cessna Service Letter No. 46 dated July 31, 1947, covers this same subject.)


FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.