AD 47-42-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-6 | Airworthiness Directives; DOUGLAS DC-6 Airplanes |
| aircraft | The Boeing Company | DC-6A | Airworthiness Directives; DOUGLAS DC-6 Airplanes |
| aircraft | The Boeing Company | DC-6B | Airworthiness Directives; DOUGLAS DC-6 Airplanes |
Unsafe Condition
Failure of the windshield handle spring mechanism to return the operating mechanism handle to a flush position when released in the open window position could cause possible injury to flight crew members.
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Required Actions
Remove the AN 393-35 pin and NAS 75-3-007 bushings from the attaching point of 2335660 wedge and the upper end of 4335656 channel. Install 5243829F-4 clips on the inside of each leg of channel, rework 2335658F-6 link, install 5243829F-2 spring to clips and eyebolt, and reinstall wedge to upper end of channel. Repeat for the 5243829-1 windshield corner window assembly.
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Compliance Time
not later than next engine change
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Affected Aircraft
Douglas DC-6, DC-6A, DC-6B airplanes with AAL serial numbers 42855 to 42858 and UAL serial numbers 42866 to 42869, inclusive.
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Federal Register Abstract
Windshield Handle Spring
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_47-42-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-42-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; DOUGLAS DC-6 Airplanes Subject: Windshield Handle Spring Status: Current Citation: This information is not available. Citation Publish Date: 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The Boeing Company Model: DC-6 | DC-6A | DC-6B Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 47-42-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-42-07 SUBJECT HEADING: Airworthiness Directives; DOUGLAS DC-6 Airplanes ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-42-07 DOUGLAS: (Was Mandatory Note 4 of AD-781-1.) Applies to the Following DC-6 Airplanes: AAL Serial Numbers 42855 to 42858, Inclusive; and UAL Serial Numbers 42866 to 42869, Inclusive. To be accomplished not later than next engine change. In order to prevent possible injury to flight crew members, it is necessary to install a spring in the handle operating mechanism of both windshield corner window assemblies. The purpose of the spring is to return the operating mechanism handle to a flush position when released in the open window position. To accomplish this, remove the AN 393-35 pin and the NAS 75-3-007 bushings from the attaching point of 2335660 wedge and the upper end of 4335656 channel on 5243829 windshield corner window assembly. Install 5243829F-4 clips on the inside of each leg of channel. Rework 2335658F-6 link. Install 5243829F-2 spring to clips and eyebolt. Install wedge to upper end of channel. Repeat the foregoing operations for removal and installation of identical parts to 5243829-1 windshield corner window assembly. (Douglas Service Bulletin DC-6 No. 19 covers this same subject.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_47-42-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-42-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; DOUGLAS DC-6 Airplanes Subject: Windshield Handle Spring Status: Current Citation: This information is not available. Citation Publish Date: 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: 47-42-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-42-07 SUBJECT HEADING: Airworthiness Directives; DOUGLAS DC-6 Airplanes ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-42-07 DOUGLAS: (Was Mandatory Note 4 of AD-781-1.) Applies to the Following DC-6 Airplanes: AAL Serial Numbers 42855 to 42858, Inclusive; and UAL Serial Numbers 42866 to 42869, Inclusive. To be accomplished not later than next engine change. In order to prevent possible injury to flight crew members, it is necessary to install a spring in the handle operating mechanism of both windshield corner window assemblies. The purpose of the spring is to return the operating mechanism handle to a flush position when released in the open window position. To accomplish this, remove the AN 393-35 pin and the NAS 75-3-007 bushings from the attaching point of 2335660 wedge and the upper end of 4335656 channel on 5243829 windshield corner window assembly. Install 5243829F-4 clips on the inside of each leg of channel. Rework 2335658F-6 link. Install 5243829F-2 spring to clips and eyebolt. Install wedge to upper end of channel. Repeat the foregoing operations for removal and installation of identical parts to 5243829-1 windshield corner window assembly. (Douglas Service Bulletin DC-6 No. 19 covers this same subject.) FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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