AD 70-16-04

final rule

BOEING Model 707/720 Series Airplanes

AD Number
70-16-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company 707-100 Long Body BOEING Model 707/720 Series Airplanes
aircraft The Boeing Company 707-100B Long Body BOEING Model 707/720 Series Airplanes
aircraft The Boeing Company 707-100B Short Body BOEING Model 707/720 Series Airplanes
aircraft The Boeing Company 707-200 BOEING Model 707/720 Series Airplanes
aircraft The Boeing Company 707-300 Series BOEING Model 707/720 Series Airplanes
aircraft The Boeing Company 707-300B Series BOEING Model 707/720 Series Airplanes
aircraft The Boeing Company 707-300C Series BOEING Model 707/720 Series Airplanes
aircraft The Boeing Company 707-400 Series BOEING Model 707/720 Series Airplanes
aircraft The Boeing Company 720 Series BOEING Model 707/720 Series Airplanes
aircraft The Boeing Company 720B Series BOEING Model 707/720 Series Airplanes

Unsafe Condition

Failure of the Main Cabin Cove Light Ballast Capacitors could cause a fire.

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

Required Actions

Deactivate the main cabin cove light circuits until either relocate all main cabin ballast capacitors to the inboard side of the cove light race way as described in Boeing Service Bulletin No. 2986 or perform an equivalent modification approved by the Chief, Aircraft Engineering Division, FAA Western Region.

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

Compliance Time

within 100 hours time in service after the effective date of this AD unless already accomplished

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

Affected Aircraft

Boeing Model 707/720 Series Airplanes as listed on Boeing Service Bulletin No. 2986 dated May 15, 1970, or later FAA approved revisions

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

Federal Register Abstract

Cabin Cove Light Ballast

Applicability Source Text

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AD Final Rules - DRS_70-16-04.html
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AD Number:
70-16-04
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
BOEING Model 707/720 Series Airplanes
Subject:
Cabin Cove Light Ballast
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
08/01/1970
Make:
The Boeing Company
Model:
707-100 Long Body | 707-100B Long Body | 707-100B Short Body | 707-200 | 707-300 Series | 707-300B S...Show more
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: 70-16-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-1052

AD NUMBER:   70-16-04

SUBJECT HEADING:   BOEING Model 707/720 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective August 1, 1970.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
70-16-04 BOEING: Amdt. 39-1052. Applies to Boeing Model 707/720 Series Airplanes. (Effectivity listed on Boeing Service Bulletin No. 2986 dated May 15, 1970, or later FAA approved revisions).

Compliance required within 100 hours time in service after the effective date of this AD unless already accomplished.

To prevent fire caused by failure of the Main Cabin Cove Light Ballast Capacitors deactivate the main cabin cove light circuits until one of the following items has been accomplished:

(1) Relocate all main cabin ballast capacitors to the inboard side of the cove light race way as described in Boeing Service Bulletin No. 2986 dated May 15, 1970, or later FAA approved revisions.

(2) Perform an equivalent modification approved by the Chief, Aircraft Engineering Division, FAA Western Region.

This Amendment becomes effective on August 1, 1970.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_70-16-04.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
70-16-04
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
BOEING Model 707/720 Series Airplanes
Subject:
Cabin Cove Light Ballast
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
08/01/1970
Make:
The Boeing Company
Model:
707-100 Long Body | 707-100B Long Body | 707-100B Short Body | 707-200 | 707-300 Series | 707-300B S...Show more
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: 70-16-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-1052

AD NUMBER:   70-16-04

SUBJECT HEADING:   BOEING Model 707/720 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective August 1, 1970.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
70-16-04 BOEING: Amdt. 39-1052. Applies to Boeing Model 707/720 Series Airplanes. (Effectivity listed on Boeing Service Bulletin No. 2986 dated May 15, 1970, or later FAA approved revisions).

Compliance required within 100 hours time in service after the effective date of this AD unless already accomplished.

To prevent fire caused by failure of the Main Cabin Cove Light Ballast Capacitors deactivate the main cabin cove light circuits until one of the following items has been accomplished:

(1) Relocate all main cabin ballast capacitors to the inboard side of the cove light race way as described in Boeing Service Bulletin No. 2986 dated May 15, 1970, or later FAA approved revisions.

(2) Perform an equivalent modification approved by the Chief, Aircraft Engineering Division, FAA Western Region.

This Amendment becomes effective on August 1, 1970.

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.