AD 63-20-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | D & R Nevada LLC | 22 | Airworthiness Directives; GENERAL DYNAMICS Models 22 and 22M Aircraft |
| aircraft | D & R Nevada LLC | 22M | Airworthiness Directives; GENERAL DYNAMICS Models 22 and 22M Aircraft |
Unsafe Condition
Failures of flap actuator screwjacks due to cracked screwjack shafts and insufficient lateral movement in end cap assemblies P/N 1162D53 and P/N 1162D54.
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Required Actions
Replace end cap assemblies P/N 1162D53 and P/N 1162D54 with reworked assemblies providing additional lateral movement per specified service bulletins or approved modification within 1,500 hours' time in service. Conduct magnetic particle inspection or approved equivalent of screwjack shafts within 3,500 hours' time in service, replace cracked shafts before further flight.
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Compliance Time
Within 1,500 hours' time in service after the effective date of this AD and within 3,500 hours' time in service after the effective date of this AD
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Affected Aircraft
GENERAL DYNAMICS Models 22 and 22M Aircraft with flap actuator screwjacks using end cap assemblies P/N 1162D53 or P/N 1162D54.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Flap Actuator Screwjacks
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_63-20-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 63-20-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; GENERAL DYNAMICS Models 22 and 22M Aircraft Subject: Flap Actuator Screwjacks Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/28/1963 Make: D & R Nevada LLC Model: 22 | 22M Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 63-20-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 63-20-04 SUBJECT HEADING: Airworthiness Directives; GENERAL DYNAMICS Models 22 and 22M Aircraft ACTION: SUMMARY: DATES: Effective October 28, 1963. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 63-20-04 GENERAL DYNAMICS: Amdt. 622 Part 507 Federal Register September 26, 1963. Applies to All Models 22 and 22M Aircraft. Compliance required as indicated. Due to failures of flap actuator screwjacks, accomplish the following: (a) Within 1,500 hours' time in service after the effective date of this AD unless already accomplished, replace all flap actuator screwjack end cap assemblies P/N 1162D53 and P/N 1162D54, with end cap assemblies reworked to provide additional lateral movement in accordance with General Dynamics/Convair 880 Alert Service Bulletin No. A27-68 dated March 22, 1963, or 880M Alert Service Bulletin No. A27-36 dated March 22, 1963, as applicable, or an FAA, Western Region, Engineering and Manufacturing Branch approved equivalent modification. (b) Within 3,500 hours' time in service after the effective date of this AD unless already accomplished, conduct a magnetic particle inspection or an FAA approved equivalent inspection of all flap actuator screwjack shafts paying particular attention to the section of the screwjack shaft that is above the main thread. Replace a cracked flap actuator screwjack shaft with an uncracked screwjack shaft before further flight. (General Dynamics/Convair 880 Alert Service Bulletin No. A27-68 dated March 22, 1963, and 880M Alert Service Bulletin No. A27-36 dated March 22, 1963, pertain to this same subject.) This directive effective October 28, 1963. FOOTER:
Document Text
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AD Final Rules - DRS_63-20-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 63-20-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; GENERAL DYNAMICS Models 22 and 22M Aircraft Subject: Flap Actuator Screwjacks Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/28/1963 Make: D & R Nevada LLC Model: 22 | 22M 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: 63-20-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 63-20-04 SUBJECT HEADING: Airworthiness Directives; GENERAL DYNAMICS Models 22 and 22M Aircraft ACTION: SUMMARY: DATES: Effective October 28, 1963. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 63-20-04 GENERAL DYNAMICS: Amdt. 622 Part 507 Federal Register September 26, 1963. Applies to All Models 22 and 22M Aircraft. Compliance required as indicated. Due to failures of flap actuator screwjacks, accomplish the following: (a) Within 1,500 hours' time in service after the effective date of this AD unless already accomplished, replace all flap actuator screwjack end cap assemblies P/N 1162D53 and P/N 1162D54, with end cap assemblies reworked to provide additional lateral movement in accordance with General Dynamics/Convair 880 Alert Service Bulletin No. A27-68 dated March 22, 1963, or 880M Alert Service Bulletin No. A27-36 dated March 22, 1963, as applicable, or an FAA, Western Region, Engineering and Manufacturing Branch approved equivalent modification. (b) Within 3,500 hours' time in service after the effective date of this AD unless already accomplished, conduct a magnetic particle inspection or an FAA approved equivalent inspection of all flap actuator screwjack shafts paying particular attention to the section of the screwjack shaft that is above the main thread. Replace a cracked flap actuator screwjack shaft with an uncracked screwjack shaft before further flight. (General Dynamics/Convair 880 Alert Service Bulletin No. A27-68 dated March 22, 1963, and 880M Alert Service Bulletin No. A27-36 dated March 22, 1963, pertain to this same subject.) This directive effective October 28, 1963. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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