AD 79-21-08

final rule

Airworthiness Directives; BENDIX ENERGY CONTROLS DIVISION: Applies To Fuel Injection Systems

AD Number
79-21-08
Status
final_rule
Effective Date
Product Category
appliance
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Bendix Energy Controls Division Fuel Injection Systems Airworthiness Directives; BENDIX ENERGY CONTROLS DIVISION: Applies To Fuel Injection Systems
appliance Bendix Energy Controls Division Fuel Injection Systems Airworthiness Directives; BENDIX ENERGY CONTROLS DIVISION: Applies To Fuel Injection Systems

Unsafe Condition

Failure of the lock nut to properly engage and crimp the stem could result in fuel flow cutoff to the engine and subsequent loss of power.

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

Required Actions

Inspect the lock nut for proper engagement and crimp the stem in accordance with the applicable Bendix Energy Controls Division Service Bulletins (RS-68, RS-69, or RS-70).

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

Compliance Time

within the next twenty-five (25) hours of aircraft time in service, or within the next thirty (30) calendar days from the effective date of this AD, whichever occurs first

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

Affected Aircraft

Bendix Energy Controls Division Fuel Injection Systems with specified model and parts list numbers, installed on Lycoming and Continental engine models including IO-320 Series, IO-360 Series, TSIO-520-L, and others as listed.

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

Federal Register Abstract

Fuel Injection Systems

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_79-21-08.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
79-21-08
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; BENDIX ENERGY CONTROLS DIVISION: Applies To Fuel Injection Systems
Subject:
Fuel Injection Systems
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
10/24/1979
Make:
Bendix Energy Controls Division
Model:
Fuel Injection Systems
Product Type:
Appliance
Product Subtype:
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 79-21-08
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3593

AD NUMBER:   79-21-08

SUBJECT HEADING:   Airworthiness Directives; BENDIX ENERGY CONTROLS DIVISION: Applies To Fuel Injection Systems

ACTION:  

SUMMARY:  

DATES:   Effective October 24, 1979.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
79-21-08 BENDIX ENERGY CONTROLS DIVISION: Amendment 39-3593. Applies to the below listed fuel injection systems installed in aircraft certificated in all categories:

Model No.	Parts List No.
RSA-5AB1	2524199-9, 2524216-8
	2524254-7, 2524262-6
	2524378-7, 2524712-3/-5/-6
RSA-5AD1	2524054-7/-8, 2524147-9/-10
	2524171-7/-8, 2524189-7/-8
	2524213-7/-8, 2524242-6/-7
	2524243-7/-8, 2524291-7/-8
	2524297-6/-7, 2524307-6/-7
	2524328-6/-7, 2524341-6/-7
	2524348-7/-8, 2524359-6/-7
	2524450-5/-6, 2524459-5/-6
	2524475-4/-5, 2524550-4/-5
	2524575-4/-5, 2524590-4/-5
	2524592-4/-5, 2524623-4/-5
	2524634-4/-5, 2524640-4/-5
	2524673-4/-5, 2524682-4/-5
	2524723-4/-5, 2524742-4/-5
	2524752-3/-4
RSA-7AA1	2524347-4/-6
RSA-7DA1	2524624-1/-2
RSA-10AD1	2524030-7/-8, 2524152-6/-7
	2524163-10/-11, 2524175-6/-7
	2524255-6/-7, 2524256-8/-9
	2524311-6/-7, 2524757-3/-4
RSA-10DB1	2524267-6/-7, 2524275-11/-12
	2524276-7/-8, 2524593-4/-5
	2524649-6/-7
RSA-10DB2	2524501-5/-6, 2524708-4/-5
RSA-10ED1	2524273-8/-9, 2524298-8/-9
	2524366-6/-7, 2524420-7/-8
	2524422-5/-6, 2524477-7/-8
	2524491-5/-6, 2524492-4/-5
	2524500-5/-6, 2524556-5/-6
	2524582-4/-5, 2524601-4/-5
	2524693-4/-5/-6/-7, 2524709-3/-4
	2524733-3/-4
RSA-10ED2	2524791-1/-2/-3

These fuel injection systems are installed on, but not limited to, the engine models listed below:

Lycoming	IO-320 Series
	AIO-320 Series
	AEIO-320 Series
	IO-360 Series
	HIO-360 Series
	AIO-360 Series
	AEIO-360 Series
	TIO-360 Series
	IGO-480 Series
	IO-540 Series
	HIO-540 Series
	AEIO-540 Series
	IGO-540 Series
	IVO-540 Series
	TIO-540 Series
	TIO-541 Series
	TIGO-541 Series
	IO-720 Series
Continental	TSIO-520-L
	TSIO-520-LB
	TSIO-520-WB

Compliance is required within the next twenty-five (25) hours of aircraft time in service, or within the next thirty (30) calendar days from the effective date of this AD, whichever occurs first.

To prevent a fuel flow cutoff to the engine and subsequent loss of power, inspect the lock nut for proper engagement and crimp the stem in accordance with the following Bendix Energy Controls Division Service Bulletins:

1. Service Bulletin No. RS-68 dated August 20, 1979 applicable to the Series RSA-5 and RSA-10 models;

2. Service Bulletin No. RS-69 dated August 20, 1979 applicable to the RSA-7AA1 model; or

3. Service Bulletin No. RS-70 dated August 20, 1979 applicable to the RSA-7DA1 model.

This amendment becomes effective October 24, 1979 as to all persons except those to whom it was made immediately effective by the airmail letter dated August 28, 1979, which contained this amendment.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_79-21-08.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
79-21-08
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; BENDIX ENERGY CONTROLS DIVISION: Applies To Fuel Injection Systems
Subject:
Fuel Injection Systems
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
10/24/1979
Make:
Bendix Energy Controls Division
Model:
Fuel Injection Systems
Product Type:
Appliance
Product Subtype:
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 79-21-08
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3593

AD NUMBER:   79-21-08

SUBJECT HEADING:   Airworthiness Directives; BENDIX ENERGY CONTROLS DIVISION: Applies To Fuel Injection Systems

ACTION:  

SUMMARY:  

DATES:   Effective October 24, 1979.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
79-21-08 BENDIX ENERGY CONTROLS DIVISION: Amendment 39-3593. Applies to the below listed fuel injection systems installed in aircraft certificated in all categories:

Model No.	Parts List No.
RSA-5AB1	2524199-9, 2524216-8
	2524254-7, 2524262-6
	2524378-7, 2524712-3/-5/-6
RSA-5AD1	2524054-7/-8, 2524147-9/-10
	2524171-7/-8, 2524189-7/-8
	2524213-7/-8, 2524242-6/-7
	2524243-7/-8, 2524291-7/-8
	2524297-6/-7, 2524307-6/-7
	2524328-6/-7, 2524341-6/-7
	2524348-7/-8, 2524359-6/-7
	2524450-5/-6, 2524459-5/-6
	2524475-4/-5, 2524550-4/-5
	2524575-4/-5, 2524590-4/-5
	2524592-4/-5, 2524623-4/-5
	2524634-4/-5, 2524640-4/-5
	2524673-4/-5, 2524682-4/-5
	2524723-4/-5, 2524742-4/-5
	2524752-3/-4
RSA-7AA1	2524347-4/-6
RSA-7DA1	2524624-1/-2
RSA-10AD1	2524030-7/-8, 2524152-6/-7
	2524163-10/-11, 2524175-6/-7
	2524255-6/-7, 2524256-8/-9
	2524311-6/-7, 2524757-3/-4
RSA-10DB1	2524267-6/-7, 2524275-11/-12
	2524276-7/-8, 2524593-4/-5
	2524649-6/-7
RSA-10DB2	2524501-5/-6, 2524708-4/-5
RSA-10ED1	2524273-8/-9, 2524298-8/-9
	2524366-6/-7, 2524420-7/-8
	2524422-5/-6, 2524477-7/-8
	2524491-5/-6, 2524492-4/-5
	2524500-5/-6, 2524556-5/-6
	2524582-4/-5, 2524601-4/-5
	2524693-4/-5/-6/-7, 2524709-3/-4
	2524733-3/-4
RSA-10ED2	2524791-1/-2/-3

These fuel injection systems are installed on, but not limited to, the engine models listed below:

Lycoming	IO-320 Series
	AIO-320 Series
	AEIO-320 Series
	IO-360 Series
	HIO-360 Series
	AIO-360 Series
	AEIO-360 Series
	TIO-360 Series
	IGO-480 Series
	IO-540 Series
	HIO-540 Series
	AEIO-540 Series
	IGO-540 Series
	IVO-540 Series
	TIO-540 Series
	TIO-541 Series
	TIGO-541 Series
	IO-720 Series
Continental	TSIO-520-L
	TSIO-520-LB
	TSIO-520-WB

Compliance is required within the next twenty-five (25) hours of aircraft time in service, or within the next thirty (30) calendar days from the effective date of this AD, whichever occurs first.

To prevent a fuel flow cutoff to the engine and subsequent loss of power, inspect the lock nut for proper engagement and crimp the stem in accordance with the following Bendix Energy Controls Division Service Bulletins:

1. Service Bulletin No. RS-68 dated August 20, 1979 applicable to the Series RSA-5 and RSA-10 models;

2. Service Bulletin No. RS-69 dated August 20, 1979 applicable to the RSA-7AA1 model; or

3. Service Bulletin No. RS-70 dated August 20, 1979 applicable to the RSA-7DA1 model.

This amendment becomes effective October 24, 1979 as to all persons except those to whom it was made immediately effective by the airmail letter dated August 28, 1979, which contained this amendment.

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.