AD 79-19-06

final rule

Airworthiness Directives; CESSNA Model 210L, T210L, 210M, T210M and P210N Series Airplanes

AD Number
79-19-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft fuel pump, filter, valve, and lines
Problem area Fuel system

Applicability

TypeManufacturerModelDetails
aircraft Cessna Aircraft Company 210L Airworthiness Directives; CESSNA Model 210L, T210L, 210M, T210M and P210N Series Airplanes
aircraft Cessna Aircraft Company 210M Airworthiness Directives; CESSNA Model 210L, T210L, 210M, T210M and P210N Series Airplanes
aircraft Cessna Aircraft Company P210N Airworthiness Directives; CESSNA Model 210L, T210L, 210M, T210M and P210N Series Airplanes
aircraft Cessna Aircraft Company T210L Airworthiness Directives; CESSNA Model 210L, T210L, 210M, T210M and P210N Series Airplanes
aircraft Cessna Aircraft Company T210M Airworthiness Directives; CESSNA Model 210L, T210L, 210M, T210M and P210N Series Airplanes

Unsafe Condition

Possible fuel leak caused by the installation of Symbolic Displays, Inc. fuel flow indicating system per STC SA3835WE.

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

Required Actions

Inspect the fuel flow transducer installation. If an NAS 424-4 coupling is installed, replace it with hose assembly Aeroquip P/N AE7010001E0040 or Stratoflex P/N 111D417-4S-0040. Alternative actions approved by the FAA may be used.

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

Compliance Time

within 25 hours' time-in-service or thirty (30) 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

Cessna Model 210L, T210L (serial numbers 21061040 and subsequent), 210M, T210M, and P210N series airplanes modified with STC SA3835WE fuel flow system.

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

Federal Register Abstract

Fuel Flow System Per STC SA3835WE

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_79-19-06.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
79-19-06
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; CESSNA Model 210L, T210L, 210M, T210M and P210N Series Airplanes
Subject:
Fuel Flow System Per STC SA3835WE
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
09/17/1979
Make:
Cessna Aircraft Company
Model:
210L | 210M | P210N | T210L | T210M
Product Type:
Aircraft
Product Subtype:
Small 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: 79-19-06
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3558

AD NUMBER:   79-19-06

SUBJECT HEADING:   Airworthiness Directives; CESSNA Model 210L, T210L, 210M, T210M and P210N Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective September 17, 1979.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
79-19-06 CESSNA AIRCRAFT COMPANY: Amendment 39-3558. Applies to Cessna Model 210L, Model T210L, Serial Numbers 21061040 and subsequent, Model 210M, Model T210M and Model P210N series airplanes modified to incorporate Symbolic Displays, Inc. fuel flow indicating system per STC SA3835WE.

Compliance required within 25 hours' time-in-service or thirty (30) days from the effective date of this AD, whichever occurs first, unless already accomplished.

To prevent a possible fuel leak caused by the installation of Symbolic Displays, Inc. fuel flow indicating system per STC SA3835WE accomplish the following:

(a) Inspect the fuel flow transducer installation on the upper left side of the engine near the fuel distributor manifold.

(b) If a 4 inch long flexible hose (Aeroquip P/N AE7010001E0040 or Stratoflex P/N 111D417-4S-0040) is installed between the transducer and the fuel distributor, no further action is required per this AD.

(c) If an NAS 424-4 coupling is installed between the fuel flow transducer and the fuel distributor, remove and replace the coupling with hose assembly Aeroquip Part Number AE7010001E0040 or hose assembly Part Number 111D417-4S-0040 (Stratoflex).

NOTE: Symbolic Displays, Inc. Service Information Bulletin No. 72 dated June 15, 1979 and Installation Diagram Drawing No. 204724, Revision "B," pertain to this matter.

(d) Alternative inspections, modifications or other actions which provide an equivalent level of safety may be used when approved by the Chief, Aircraft Engineering Division, FAA Western Region.

This amendment becomes effective September 17, 1979.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_79-19-06.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
79-19-06
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; CESSNA Model 210L, T210L, 210M, T210M and P210N Series Airplanes
Subject:
Fuel Flow System Per STC SA3835WE
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
09/17/1979
Make:
Cessna Aircraft Company
Model:
210L | 210M | P210N | T210L | T210M
Product Type:
Aircraft
Product Subtype:
Small 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: 79-19-06
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3558

AD NUMBER:   79-19-06

SUBJECT HEADING:   Airworthiness Directives; CESSNA Model 210L, T210L, 210M, T210M and P210N Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective September 17, 1979.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
79-19-06 CESSNA AIRCRAFT COMPANY: Amendment 39-3558. Applies to Cessna Model 210L, Model T210L, Serial Numbers 21061040 and subsequent, Model 210M, Model T210M and Model P210N series airplanes modified to incorporate Symbolic Displays, Inc. fuel flow indicating system per STC SA3835WE.

Compliance required within 25 hours' time-in-service or thirty (30) days from the effective date of this AD, whichever occurs first, unless already accomplished.

To prevent a possible fuel leak caused by the installation of Symbolic Displays, Inc. fuel flow indicating system per STC SA3835WE accomplish the following:

(a) Inspect the fuel flow transducer installation on the upper left side of the engine near the fuel distributor manifold.

(b) If a 4 inch long flexible hose (Aeroquip P/N AE7010001E0040 or Stratoflex P/N 111D417-4S-0040) is installed between the transducer and the fuel distributor, no further action is required per this AD.

(c) If an NAS 424-4 coupling is installed between the fuel flow transducer and the fuel distributor, remove and replace the coupling with hose assembly Aeroquip Part Number AE7010001E0040 or hose assembly Part Number 111D417-4S-0040 (Stratoflex).

NOTE: Symbolic Displays, Inc. Service Information Bulletin No. 72 dated June 15, 1979 and Installation Diagram Drawing No. 204724, Revision "B," pertain to this matter.

(d) Alternative inspections, modifications or other actions which provide an equivalent level of safety may be used when approved by the Chief, Aircraft Engineering Division, FAA Western Region.

This amendment becomes effective September 17, 1979.

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.