AD 68-10-01

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AD Number:
68-10-01
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; AVION MARCEL DASSAULT Model Fan Jet Falcon Airplanes
Subject:
Janitrol Fuel Heater
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
Make:
Dassault Aviation
Model:
Fan Jet Falcon
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Superseded AD: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Superseded By: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: 68-10-01
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-594

AD NUMBER:   68-10-01

SUBJECT HEADING:   Airworthiness Directives; AVION MARCEL DASSAULT Model Fan Jet Falcon Airplanes

ACTION:  

SUMMARY:  

DATES:  

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
68-10-01 AVION MARCEL DASSAULT: Amendment 39-594. Applies to Fan Jet Falcon Airplanes.

Compliance required as indicated unless already accomplished.

To detect fuel leakage resulting from a rupture of the internal cores of the Janitrol Fuel Heater, P/N B 19D84, located in the engine pylons accomplish the following:

(a) Before the next flight and thereafter before each flight where the outside ambient temperature at ground level is forty degrees Fahrenheit or less, remove the access plate on the underside of each engine pylon, remove the plugs labeled "condensate drain", and check to insure that the temperature of the fuel heater is above forty degrees Fahrenheit. If the temperature of the fuel heater is forty degrees or less, raise the temperature above 40 degrees for sufficient time to melt any ice which may be in the internal cores of the Janitrol Fuel Heater. If any water discharges from the condensate drain, the fuel heater drain should be wiped dry with a clean cloth. With the fuel shut-off valves open and throttles in off position, operate the aircraft fuel booster pumps for fifteen minutes and inspect the drain outlets for indications of fuel leakage. If fuel leakage is evidenced, the fuel heater must be replaced before further flight with a fuel heater of the same part number. The replacement fuel heater must have been inspected and marked with a capital letter "I" and the date of inspection on the left side of the fuel heater nameplate above the words "Janitrol Aero Division" as directed in Avions Marcel Dassault Service Bulletin 358.

(b) Within the next 100 hours' time in service unless already accomplished, remove the Janitrol Fuel Heater P/N B 19D84 and inspect in accordance with Avions Marcel Dassault Service Bulletin 358, or later SGAC-approved issue, or an FAA-approved equivalent. Defective fuel heater must be replaced before further flight with a fuel heater of the same part number, inspected and marked in accordance with Service Bulletin 358.

(c) The repetitive inspections required by paragraph (a) of this AD may be discontinued as to a particular engine pylon after paragraph (b) has been complied with, or after installation of a fuel heater, inspected and marked in accordance with Service Bulletin 358.

This amendment becomes effective upon publication in the FEDERAL REGISTER for all persons except those to whom it was made effective immediately by telegram dated March 22, 1968.


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