AD 63-21-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| 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
Show captured applicability text from the source AD
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10/28/1963 Make: D & R Nevada LLC Model: 30 | 30A Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 63-21-01 CITATION: This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:
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.