AD 48-07-02

final rule

Airworthiness Directives; DOUGLAS DC-6

AD Number
48-07-02
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
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

Failure in the engine supercharger control actuator when shifting from low to high blower and vice versa.

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

Required Actions

Install a new Geneva-Loc supercharger actuator lever, a new Bendix link-supercharger actuating link, and a new four-hole mounting support bracket to provide overtravel in the engine supercharger control linkage.

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

Compliance Time

Not later than the first engine change after March 1, 1948, but in any event not later than June 1, 1948.

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

Affected Aircraft

Douglas DC-6, DC-6A, DC-6B models with serial numbers 42854 Through 42896; 43000 Through 43024; 43035 through 43064; and 43105 Through 43110.

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

Federal Register Abstract

Engine Supercharger Control Actuator

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_48-07-02.html
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Details
AD Number:
48-07-02
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; DOUGLAS DC-6
Subject:
Engine Supercharger Control Actuator
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Superseded AD: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Superseded By: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: 48-07-02
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:  

AD NUMBER:   48-07-02

SUBJECT HEADING:   Airworthiness Directives; DOUGLAS DC-6

ACTION:  

SUMMARY:  

DATES:  

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
48-07-02 DOUGLAS: Applies to DC-6 Serial Numbers 42854 Through 42896; 43000 Through 43024; 43035 through 43064; and 43105 Through 43110.

To be accomplished not later than the first engine change after March 1, 1948, but in any event not later than June 1, 1948.

To prevent failure in the engine supercharger control actuator when shifting from low to high blower and vice versa, it is necessary to provide overtravel in the engine supercharger control linkage by installing a new Geneva-Loc supercharger actuator lever, a new Bendix link-supercharger actuating link and a new four-hole mounting support bracket.

(Douglas Service Bulletin DC-6 No. 127 covers this same subject.)


FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_48-07-02.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
48-07-02
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; DOUGLAS DC-6
Subject:
Engine Supercharger Control Actuator
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: 48-07-02
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:  

AD NUMBER:   48-07-02

SUBJECT HEADING:   Airworthiness Directives; DOUGLAS DC-6

ACTION:  

SUMMARY:  

DATES:  

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
48-07-02 DOUGLAS: Applies to DC-6 Serial Numbers 42854 Through 42896; 43000 Through 43024; 43035 through 43064; and 43105 Through 43110.

To be accomplished not later than the first engine change after March 1, 1948, but in any event not later than June 1, 1948.

To prevent failure in the engine supercharger control actuator when shifting from low to high blower and vice versa, it is necessary to provide overtravel in the engine supercharger control linkage by installing a new Geneva-Loc supercharger actuator lever, a new Bendix link-supercharger actuating link and a new four-hole mounting support bracket.

(Douglas Service Bulletin DC-6 No. 127 covers this same subject.)


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.