AD 83-15-09

final rule

Airworthiness Directives; Fairchild (Swearingen) Models SA226-T, SA226-TB, SA226-AT, SA226-TC, SA227-AC, SA227-AT, and SA227-TT Airplanes

AD Number
83-15-09
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft landing gear and wheel assembly
Problem area Landing gear

Applicability

TypeManufacturerModelDetails
aircraft M7 Aerospace LLC SA226-AT Airworthiness Directives; Fairchild (Swearingen) Models SA226-T, SA226-TB, SA226-AT, SA226-TC, SA227-AC, SA227-AT, and SA227-TT Airplanes
aircraft M7 Aerospace LLC SA226-T Airworthiness Directives; Fairchild (Swearingen) Models SA226-T, SA226-TB, SA226-AT, SA226-TC, SA227-AC, SA227-AT, and SA227-TT Airplanes
aircraft M7 Aerospace LLC SA226-TC Airworthiness Directives; Fairchild (Swearingen) Models SA226-T, SA226-TB, SA226-AT, SA226-TC, SA227-AC, SA227-AT, and SA227-TT Airplanes
aircraft M7 Aerospace LLC SA226-T(B) Airworthiness Directives; Fairchild (Swearingen) Models SA226-T, SA226-TB, SA226-AT, SA226-TC, SA227-AC, SA227-AT, and SA227-TT Airplanes
aircraft M7 Aerospace LLC SA227-AC (C-26A) Airworthiness Directives; Fairchild (Swearingen) Models SA226-T, SA226-TB, SA226-AT, SA226-TC, SA227-AC, SA227-AT, and SA227-TT Airplanes
aircraft M7 Aerospace LLC SA227-AT Airworthiness Directives; Fairchild (Swearingen) Models SA226-T, SA226-TB, SA226-AT, SA226-TC, SA227-AC, SA227-AT, and SA227-TT Airplanes
aircraft M7 Aerospace LLC SA227-TT Airworthiness Directives; Fairchild (Swearingen) Models SA226-T, SA226-TB, SA226-AT, SA226-TC, SA227-AC, SA227-AT, and SA227-TT Airplanes

Unsafe Condition

The nose wheel steering system may not operate reliably due to potential hydraulic system failures or component malfunctions, leading to loss of steering control.

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

Required Actions

Modify the nose wheel steering systems in accordance with specified service bulletins (SB 32-037, SB 32-039, or SB 32-006) and remove operational restrictions in the Airplane Flight Manual and placards from prior service bulletins.

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

Compliance Time

On or before November 1, 1983

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

Affected Aircraft

Fairchild (Swearingen) Models SA226-T (S/N T-249 through T-275, T-277 through T-291), SA226-TB (S/N T-276, T-292 through T-417), SA226-AT (S/N AT-025 through AT-069, AT-071 through AT-074), SA226-TC (S/N TC-212 through TC-419), SA227-AC (S/N AC-398 through AC-599), SA227-AT (S/N AT-070, AT-423 through AT-596), and SA227-TT (S/N TT-421 through TT-597), including any SA226 models modified per SB 32-016 and all models with hydraulic nose wheel steering.

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

Federal Register Abstract

Nose Wheel Steering System Modification

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_83-15-09.html
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AD Number:
83-15-09
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Fairchild (Swearingen) Models SA226-T, SA226-TB, SA226-AT, SA226-TC, SA227...Show more
Subject:
Nose Wheel Steering System Modification
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
09/08/1983
Make:
M7 Aerospace LLC
Model:
SA226-AT | SA226-T | SA226-TC | SA226-T(B) | SA227-AC (C-26A) | SA227-AT | SA227-TT
Product Type:
Aircraft
Product Subtype:
Small/Large 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: 83-15-09
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4702

AD NUMBER:   83-15-09

SUBJECT HEADING:   Airworthiness Directives; Fairchild (Swearingen) Models SA226-T, SA226-TB, SA226-AT, SA226-TC, SA227-AC, SA227-AT, and SA227-TT Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective September 8, 1983.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
83-15-09 FAIRCHILD (SWEARINGEN): Amendment 39-4702. Applies to the following models and serial numbers of airplanes certificated in any category:

Model SA226-T (S/N T-249 through T-275, and T-277 through T-291),
Model SA226-TB (S/N T-276 and T-292 through T-417),
Model SA226-AT (S/N AT-025 through AT-069, AT-071 through AT-074),
Model SA226-TC (S/N TC-212 through TC-419),
Any SA226 model and serial number airplane modified in accordance with Service Bulletin SB 32-016,
Model SA227-AC (S/N AC-398 through AC-599) and all models with hydraulic nose wheel steering,
Model SA227-AT (S/N AT-070, S/N AT-423 through AT-596),
Model SA227-TT (S/N TT-421 through TT-597).

Compliance: Required as indicated unless already accomplished.

To assure reliable operation of the steering system:

a) On or before November 1, 1983:

1) Modify the nose wheel steering systems of the affected Serial No. Model SA226-T, SA226-TB, SA226-AT, and SA226-TC airplanes in accordance with Fairchild (Swearingen) Service Bulletin SB 32-037 revised July 15, 1982, or if optional tiller wheel steering is installed, in accordance with SB 32-039 dated September 9, 1982.

2) Modify the nose wheel steering systems of the affected Serial Number Model SA227-AC, SA227-AT, and SA227-TT airplanes in accordance with Fairchild Service Bulletin SB 32-006 revised July 27, 1982.

3) When the modifications required by paragraphs a)1) and a)2) of this AD are accomplished, remove the nose wheel steering operational restrictions in the Limitations Section of the Airplane Flight Manual and placards in the airplane that were incorporated in accordance with Fairchild Swearingen Service Bulletins SBA 32-001 or SBA 32-032 both dated June 3, 1981.

b) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished.

c) An equivalent method of compliance with this AD may be used if approved by the Manager, Airplane Certification Branch, ASW-150, Federal Aviation Administration, Southwest Regional Office, P.O. Box 1689, Fort Worth, Texas 76101.

This amendment becomes effective on September 8, 1983.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_83-15-09.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
83-15-09
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Fairchild (Swearingen) Models SA226-T, SA226-TB, SA226-AT, SA226-TC, SA227...Show more
Subject:
Nose Wheel Steering System Modification
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
09/08/1983
Make:
M7 Aerospace LLC
Model:
SA226-AT | SA226-T | SA226-TC | SA226-T(B) | SA227-AC (C-26A) | SA227-AT | SA227-TT
Product Type:
Aircraft
Product Subtype:
Small/Large 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: 83-15-09
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4702

AD NUMBER:   83-15-09

SUBJECT HEADING:   Airworthiness Directives; Fairchild (Swearingen) Models SA226-T, SA226-TB, SA226-AT, SA226-TC, SA227-AC, SA227-AT, and SA227-TT Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective September 8, 1983.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
83-15-09 FAIRCHILD (SWEARINGEN): Amendment 39-4702. Applies to the following models and serial numbers of airplanes certificated in any category:

Model SA226-T (S/N T-249 through T-275, and T-277 through T-291),
Model SA226-TB (S/N T-276 and T-292 through T-417),
Model SA226-AT (S/N AT-025 through AT-069, AT-071 through AT-074),
Model SA226-TC (S/N TC-212 through TC-419),
Any SA226 model and serial number airplane modified in accordance with Service Bulletin SB 32-016,
Model SA227-AC (S/N AC-398 through AC-599) and all models with hydraulic nose wheel steering,
Model SA227-AT (S/N AT-070, S/N AT-423 through AT-596),
Model SA227-TT (S/N TT-421 through TT-597).

Compliance: Required as indicated unless already accomplished.

To assure reliable operation of the steering system:

a) On or before November 1, 1983:

1) Modify the nose wheel steering systems of the affected Serial No. Model SA226-T, SA226-TB, SA226-AT, and SA226-TC airplanes in accordance with Fairchild (Swearingen) Service Bulletin SB 32-037 revised July 15, 1982, or if optional tiller wheel steering is installed, in accordance with SB 32-039 dated September 9, 1982.

2) Modify the nose wheel steering systems of the affected Serial Number Model SA227-AC, SA227-AT, and SA227-TT airplanes in accordance with Fairchild Service Bulletin SB 32-006 revised July 27, 1982.

3) When the modifications required by paragraphs a)1) and a)2) of this AD are accomplished, remove the nose wheel steering operational restrictions in the Limitations Section of the Airplane Flight Manual and placards in the airplane that were incorporated in accordance with Fairchild Swearingen Service Bulletins SBA 32-001 or SBA 32-032 both dated June 3, 1981.

b) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished.

c) An equivalent method of compliance with this AD may be used if approved by the Manager, Airplane Certification Branch, ASW-150, Federal Aviation Administration, Southwest Regional Office, P.O. Box 1689, Fort Worth, Texas 76101.

This amendment becomes effective on September 8, 1983.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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