AD 63-21-01

final rule

Airworthiness Directives; GENERAL DYNAMICS Model 30 Aircraft

AD Number
63-21-01
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 D & R Nevada LLC 30 Airworthiness Directives; GENERAL DYNAMICS Model 30 Aircraft
aircraft D & R Nevada LLC 30A Airworthiness Directives; GENERAL DYNAMICS Model 30 Aircraft

Unsafe Condition

Ground fault in the landing gear ground safety switch causing loss of braking without a warning indication.

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

Required Actions

Modify the landing gear anti-skid wiring system by adding a test switch, relay socket, relay and harnesses; replacing the antiskid and light plastic panel, circuit board and plate; and rerouting the wiring in accordance with Convair Service Bulletin No. 32-37A or an FAA-approved equivalent.

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

Compliance Time

within 500 hours' time in service after the effective date of this AD

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

Affected Aircraft

GENERAL DYNAMICS Model 30 Aircraft, all serial numbers

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

Federal Register Abstract

Landing Gear Anti-Skid

Applicability Source Text

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Details
AD Number:
63-21-01
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; GENERAL DYNAMICS Model 30 Aircraft
Subject:
Landing Gear Anti-Skid
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
10/28/1963
Make:
D & R Nevada LLC
Model:
30 | 30A
Product Type:
Aircraft
Product Subtype:
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Superseded AD: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Superseded By: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: 63-21-01
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:  

AD NUMBER:   63-21-01

SUBJECT HEADING:   Airworthiness Directives; GENERAL DYNAMICS Model 30 Aircraft

ACTION:  

SUMMARY:  

DATES:   Effective October 28, 1963.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   63-21-01 GENERAL DYNAMICS: Amdt. 623 Part 507 Federal Register September 26, 1963. Applies to All Model 30 Aircraft.

Compliance required within 500 hours' time in service after the effective date of this AD, unless already accomplished.

To prevent a ground fault in the landing gear ground safety switch which causes the loss of braking without a warning indication, modify the aircraft landing gear anti-skid wiring system as follows in accordance with Convair Service Bulletin No. 32-37A revised February 26, 1963, or an FAA Western Region Engineering approved equivalent:

(a) Add a test switch, relay socket, relay and harnesses;

(b) replace the antiskid and light plastic panel, circuit board and plate; and

(c) reroute the wiring.

(Convair Service Bulletin No. 32-37A pertains to this same modification.)

This directive effective October 28, 1963.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_63-21-01.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
63-21-01
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; GENERAL DYNAMICS Model 30 Aircraft
Subject:
Landing Gear Anti-Skid
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
10/28/1963
Make:
D & R Nevada LLC
Model:
30 | 30A
Product Type:
Aircraft
Product Subtype:
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: 63-21-01
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:  

AD NUMBER:   63-21-01

SUBJECT HEADING:   Airworthiness Directives; GENERAL DYNAMICS Model 30 Aircraft

ACTION:  

SUMMARY:  

DATES:   Effective October 28, 1963.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   63-21-01 GENERAL DYNAMICS: Amdt. 623 Part 507 Federal Register September 26, 1963. Applies to All Model 30 Aircraft.

Compliance required within 500 hours' time in service after the effective date of this AD, unless already accomplished.

To prevent a ground fault in the landing gear ground safety switch which causes the loss of braking without a warning indication, modify the aircraft landing gear anti-skid wiring system as follows in accordance with Convair Service Bulletin No. 32-37A revised February 26, 1963, or an FAA Western Region Engineering approved equivalent:

(a) Add a test switch, relay socket, relay and harnesses;

(b) replace the antiskid and light plastic panel, circuit board and plate; and

(c) reroute the wiring.

(Convair Service Bulletin No. 32-37A pertains to this same modification.)

This directive effective October 28, 1963.

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.