AD 60-02-05
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-6 | Airworthiness Directives; DOUGLAS DC-6 |
| aircraft | The Boeing Company | DC-6A | Airworthiness Directives; DOUGLAS DC-6 |
| aircraft | The Boeing Company | DC-6B | Airworthiness Directives; DOUGLAS DC-6 |
Unsafe Condition
Cracking of the lower front and center spar cap tangs at intersection with lower fuselage attach angle.
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Required Actions
Inspect lower front spar cap at the nearest maintenance inspection period within 200 hours service time unless inspected within last 1,250 hours. Inspect lower front and center spar caps every 1,250 hours service time. Enlarge holes and install new attachments using Kit 'A' of Douglas SB A-845. If cracks found, perform temporary rework with Kit 'B' or permanent rework with Kit 'C'. Permanent rework must be done within 6,400 hours service time. After permanent rework, revert to normal inspections every 3,200 hours.
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Compliance Time
Compliance required as indicated.
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Affected Aircraft
Douglas DC-6 aircraft with serial numbers 42878, 43030 to 43033 inclusive, 43136, 43148 to 43151 inclusive, 43212 to 43214 inclusive, and 43216 to 43218 inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Spar Cap
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_60-02-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 60-02-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; DOUGLAS DC-6 Subject: Spar Cap Status: Current Citation: (Federal Register: January 16, 1960) Citation Publish Date: 01/16/1960 Effective Date: Make: The Boeing Company Model: DC-6 | DC-6A | DC-6B Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 60-02-05 CITATION: [Federal Register: January 16, 1960] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 60-02-05 SUBJECT HEADING: Airworthiness Directives; DOUGLAS DC-6 ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 60-02-05 DOUGLAS: Amdt. 84 Part 507 Federal Register January 16, 1960. Applies to the Following Aircraft: DC-6 Serial Numbers 42878, 43030 To 43033 Inclusive, 43136, 43148 To 43151 Inclusive, 43212 To 43214 Inclusive, and 43216 To 43218 Inclusive. Compliance required as indicated. To detect cracking of the lower front and center spar cap tangs at intersection with lower fuselage attach angle the following must be accomplished on affected DC-6 aircraft having in excess of 16,000 hours service time. (a) Inspect lower front spar cap at the nearest maintenance inspection period to 200 hours service time unless similar inspection has been conducted within the last 1,250 hours service time. (b) Inspect lower front and center spar caps at maintenance inspection period nearest to each succeeding 1,250 hours service time. (1) At the first 1,250-hour inspection period, the holes located in aft tang of front spar lower cap and fuselage attach angle should be enlarged and new attachments installed. (Kit "A" of Douglas SB A-845 or equivalent.) (2) At next regularly scheduled overhaul period, the holes located in forward tang of front spar lower cap should be enlarged and new attachments installed. (Kit "A" of Douglas SB A-845 or equivalent.) (c) If spar cap cracks are found, temporary rework per Drawing No. 3645935 (Kit "B"), or permanent rework per Drawing No. 5765079 (Kit "C") or equivalent, must be accomplished. If temporary rework is installed, inspection must be repeated at 1,250-hour intervals for a maximum of 3,200 hours service time, at which time permanent rework per Drawing No. 5765079 (Kit "C"), or equivalent, must be accomplished. (d) All aircraft must have permanent rework per Drawing No. 5765079 (Kit "C"), or equivalent, accomplished within next 6,400 hours service time. (e) After installation of permanent rework per Kit "C", or equivalent, operators may revert to normal repetitive inspection periods not to exceed 3,200 hours service time. (Douglas Service Bulletin DC-6 No. A-845 dated July 31, 1959, covers this same subject.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_60-02-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 60-02-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; DOUGLAS DC-6 Subject: Spar Cap Status: Current Citation: (Federal Register: January 16, 1960) Citation Publish Date: 01/16/1960 Effective Date: Make: The Boeing Company Model: DC-6 | DC-6A | DC-6B 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: 60-02-05 CITATION: [Federal Register: January 16, 1960] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 60-02-05 SUBJECT HEADING: Airworthiness Directives; DOUGLAS DC-6 ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 60-02-05 DOUGLAS: Amdt. 84 Part 507 Federal Register January 16, 1960. Applies to the Following Aircraft: DC-6 Serial Numbers 42878, 43030 To 43033 Inclusive, 43136, 43148 To 43151 Inclusive, 43212 To 43214 Inclusive, and 43216 To 43218 Inclusive. Compliance required as indicated. To detect cracking of the lower front and center spar cap tangs at intersection with lower fuselage attach angle the following must be accomplished on affected DC-6 aircraft having in excess of 16,000 hours service time. (a) Inspect lower front spar cap at the nearest maintenance inspection period to 200 hours service time unless similar inspection has been conducted within the last 1,250 hours service time. (b) Inspect lower front and center spar caps at maintenance inspection period nearest to each succeeding 1,250 hours service time. (1) At the first 1,250-hour inspection period, the holes located in aft tang of front spar lower cap and fuselage attach angle should be enlarged and new attachments installed. (Kit "A" of Douglas SB A-845 or equivalent.) (2) At next regularly scheduled overhaul period, the holes located in forward tang of front spar lower cap should be enlarged and new attachments installed. (Kit "A" of Douglas SB A-845 or equivalent.) (c) If spar cap cracks are found, temporary rework per Drawing No. 3645935 (Kit "B"), or permanent rework per Drawing No. 5765079 (Kit "C") or equivalent, must be accomplished. If temporary rework is installed, inspection must be repeated at 1,250-hour intervals for a maximum of 3,200 hours service time, at which time permanent rework per Drawing No. 5765079 (Kit "C"), or equivalent, must be accomplished. (d) All aircraft must have permanent rework per Drawing No. 5765079 (Kit "C"), or equivalent, accomplished within next 6,400 hours service time. (e) After installation of permanent rework per Kit "C", or equivalent, operators may revert to normal repetitive inspection periods not to exceed 3,200 hours service time. (Douglas Service Bulletin DC-6 No. A-845 dated July 31, 1959, covers this same subject.) FOOTER:
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Retrieved: Apr 8, 2026
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