AD 65-24-02

final rule

BOEING Models 707 and 720 Series Airplanes

AD Number
65-24-02
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft electrical generator and wiring assembly
Problem area Electrical system

Applicability

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

Unsafe Condition

False indications of thrust reverser operation due to malfunction of the thrust reverser indicating light switch and switch wiring.

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

Required Actions

Replace aft thrust reverser indicating light switches with sealed switch P/N 2HT13 as per applicable Boeing Service Bulletins, interchange electrical leads on forward and aft switches, and ensure compliance with Boeing Service Bulletin No. 2170 or equivalent. Equivalent modifications require FAA approval.

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

Compliance Time

within the next 1,800 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 Models 707 and 720 Series Airplanes equipped with JT3D turbofan engines or JT3C/JT4A turbojet engines, as specified by engine type and modification status per Boeing Service Bulletins.

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

Federal Register Abstract

Thrust Reverser

Applicability Source Text

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AD Number:
65-24-02
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
BOEING Models 707 and 720 Series Airplanes
Subject:
Thrust Reverser
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
10/29/1965
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: 65-24-02
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-146

AD NUMBER:   65-24-02

SUBJECT HEADING:   BOEING Models 707 and 720 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective October 29, 1965.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
65-24-02 BOEING: Amdt. 39-146 Part 39 Federal Register September 30, 1965. Applies to Models 707 and 720 Series Airplanes.

Compliance required within the next 1,800 hours' time in service after the effective date of this AD unless already accomplished.

To prevent further false indications of thrust reverser operation as a result of malfunction of the thrust reverser indicating light switch and switch wiring, accomplish the following:

(a) On airplanes equipped with JT3D turbofan engines, modify as follows:

(1) On airplanes modified in accordance with Boeing Service Bulletin No. 1896, dated November 1963, replace each aft thrust reverser indicating light switch with sealed switch, P/N 2HT13, in accordance with Boeing Service Bulletin No. 1896, or an equivalent.

(2) On airplanes not modified in accordance with Boeing Service Bulletin No. 1896, replace each aft thrust reverser indicating light switch with sealed switch, P/N 2HT13, in accordance with Boeing Service Bulletin No. 1884, dated January 1964, or an equivalent.

(3) Interchange the electrical leads on the forward and aft thrust reverser indicating light switches in accordance with Boeing Service Bulletin No. 2170, dated May 1965, or an equivalent.

(b) On airplanes equipped with JT3C or JT4A turbojet engines, modify the thrust reverser indicating light switch wiring by interchanging the electrical leads in accordance with Boeing Service Bulletin No. 2170 or an equivalent.

(c) Approval of any equivalent shall be processed through the Aircraft Engineering Division, FAA Western Region.

This directive effective October 29, 1965.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_65-24-02.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
65-24-02
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
BOEING Models 707 and 720 Series Airplanes
Subject:
Thrust Reverser
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
10/29/1965
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: 65-24-02
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-146

AD NUMBER:   65-24-02

SUBJECT HEADING:   BOEING Models 707 and 720 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective October 29, 1965.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
65-24-02 BOEING: Amdt. 39-146 Part 39 Federal Register September 30, 1965. Applies to Models 707 and 720 Series Airplanes.

Compliance required within the next 1,800 hours' time in service after the effective date of this AD unless already accomplished.

To prevent further false indications of thrust reverser operation as a result of malfunction of the thrust reverser indicating light switch and switch wiring, accomplish the following:

(a) On airplanes equipped with JT3D turbofan engines, modify as follows:

(1) On airplanes modified in accordance with Boeing Service Bulletin No. 1896, dated November 1963, replace each aft thrust reverser indicating light switch with sealed switch, P/N 2HT13, in accordance with Boeing Service Bulletin No. 1896, or an equivalent.

(2) On airplanes not modified in accordance with Boeing Service Bulletin No. 1896, replace each aft thrust reverser indicating light switch with sealed switch, P/N 2HT13, in accordance with Boeing Service Bulletin No. 1884, dated January 1964, or an equivalent.

(3) Interchange the electrical leads on the forward and aft thrust reverser indicating light switches in accordance with Boeing Service Bulletin No. 2170, dated May 1965, or an equivalent.

(b) On airplanes equipped with JT3C or JT4A turbojet engines, modify the thrust reverser indicating light switch wiring by interchanging the electrical leads in accordance with Boeing Service Bulletin No. 2170 or an equivalent.

(c) Approval of any equivalent shall be processed through the Aircraft Engineering Division, FAA Western Region.

This directive effective October 29, 1965.

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.