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MANDATORY SERVICE BULLETINS
Notice of clarification to
SB 106 A: Section 3 (e) and (f)-Bore size measurement applies
to brass style valves only. This measurement is to help distinguish
between brass valves that were originally approved under the Navion type design
and valves that were not.
Service Bulletin 101A and Service Bulletin 106 A are FAA
approved data.
To view the following
Mandatory SB's click the applicable No.
| SB NUMBER |
SUBJECT |
DATE |
ISSUED BY |
|
No. 18 |
Generator Terminal Insulator Installation |
February 14, 1947 |
North American Aviation |
|
No. 20 |
Hartzell No. 8628 Prop Blade Tip Rework |
January 28, 1947 |
North American Aviation |
|
No. 23 |
Carburetor Vapor Return Line Hose |
April 11, 1947 |
North American Aviation |
|
No. 26 |
Controlled Hydraulic Power Sys Install |
April 01, 1947 |
North American Aviation |
|
No. 30 |
Hartzell Propeller Piston Guide Pin |
May 05, 1947 |
North American Aviation |
|
No. 31 |
Engine Mount Front Frame Reinforcement |
May 09, 1947 |
North American Aviation |
|
No. 32 |
Fuel Strainer Drain Cock Replacement |
May 01, 1947 |
North American Aviation |
|
No. 33 |
Elevator Leading Edge Rib Installation |
July 02, 1947 |
North American Aviation |
|
No. 36 |
Fuel Pump Inlet lines Relocation |
March 15, 1948 |
North American Aviation |
|
No. 04 |
Inspect Nose Gear Retract Drag Link |
August 05, 1949 |
Ryan Aeronautical |
|
No. 05 |
Propeller Counterweights |
January 03, 1949 |
Ryan Aeronautical |
|
No. 08 |
End Fitting-Hyd Power and Control |
July 11, 1949 |
Ryan Aeronautical |
|
No. 09 |
Inspect Shakespeare Throttle Control |
September 01, 1950 |
Ryan Aeronautical |
|
No. 12 |
Improved Cabin Seating |
February 01, 1951 |
Ryan Aeronautical |
|
No. 16 |
Carburetor Air Duct Change |
February 12, 1952 |
Ryan Aeronautical |
|
No. 18
|
Aileron Control Chain Jamming |
September 26, 1952 |
Ryan Aeronautical |
|
No. 19 |
Inspection, Stabilizer Front Attach Ftg |
February 16, 1953 |
Ryan Aeronautical |
|
No. 21 |
Relative Motion Between Fuselage/Wings |
August 05, 1954 |
Ryan Aeronautical |
|
No 23 |
Inspect Rear Wing Spar Junction Ftg |
December 05, 1955 |
Ryan Aeronautical |
|
No. 101A |
Fuel System - Fuel Selector Valve |
August 23, 2005 |
Sierra Hotel Aero |
|
No. 102 |
Airframe - Engine Mount |
July 13, 2004 |
Sierra Hotel Aero |
|
No. 103 |
Airframe - Fuselage Reinforcing Kit |
July 20, 2004 |
Sierra Hotel Aero |
|
No 106 A |
Fuel System Inspection |
May 01, 2007 |
Sierra Hotel Aero |
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MANDATORY SERVICE LETTERS
|
SERVICE LETTER |
SUBJECT |
DATE |
ISSUED BY |
|
No. 78 |
Fuel Accumulator Tank - Replacement |
|
Navion |
|
No.
81 |
P/N 145-58145-3 End Fitting Hyd Pwr/Ctrl |
March 31, 1961 |
Navion |
|
No.
85 |
Loose Rivets - Wing Skin/Stringer |
January 07, 1964 |
Navion |
|
No. 87 |
Fuel Accumulator Tank - Replacement |
February 20, 1965 |
Navion |
|
No. 88 |
Wing Closure Strip - Inspection |
February 20,1965 |
Navion |
SERVICE BULLETINS
(For pricing on a complete set of
Service Bulletins see the Parts page)
|
SB NUMBER |
SUBJECT |
DATE |
ISSUED BY |
|
No. 01 |
Temporary Removal of Hyd Pwr System |
October 08, 1946 |
North American Aviation |
|
No. 02 |
Fuel Filler Drain Installation |
December 06, 1946 |
North American Aviation |
|
No. 03 |
Separate Hyd Relief valve Installation |
October 21, 1946 |
North American Aviation |
|
No. 04 |
Landing Gear Up-Lock Control Rework |
October 29, 1946 |
North American Aviation |
|
No. 05 |
Propeller Control Replacement |
November 01, 1946 |
North American Aviation |
|
No. 06 |
Crankcase Breather Line Rework |
November 14, 1946 |
North American Aviation |
|
No. 07 |
Fuel Accumulator Tank Sump Fitting |
November 19, 1946 |
North American Aviation |
|
No. 08 |
PS-5C Carburetor Identification |
November 27, 1946 |
North American Aviation |
|
No. 09 |
Exhaust Tail Pipe Weld Rework |
November 19, 1946 |
North American Aviation |
|
No. 10 |
Baggage Compartment Placard |
December 06, 1946 |
North American Aviation |
|
No. 11 |
Valve Spring Spacer Installation |
February 04, 1947 |
North American Aviation |
|
No. 12 |
Nose Wheel Valve Stem Clearance |
November 27, 1946 |
North American Aviation |
|
No. 13 |
Push Rod and Valve Rocker Modification |
February 04, 1947 |
North American Aviation |
|
No. 14 |
Landing Gear Control Handle Lock |
January 02, 1947 |
North American Aviation |
|
No. 15 |
Rescinded |
|
|
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No. 16 |
Oil Cooler Baffle Installation |
January 06, 1947 |
North American Aviation |
|
No. 17 |
Carb Air Straightener Installation |
January 16, 1947 |
North American Aviation |
|
No. 18 |
General Terminal Insulator Installation |
February 14, 1947 |
North American Aviation |
|
No. 19 |
Nose Gear Actuating Cylinder Replace |
January 23, 1947 |
North American Aviation |
|
No. 20 |
Hartzell No. 8628 Prop Blade Tip Rework |
January 28, 1947 |
North American Aviation |
|
No. 21 |
Nose Gear Steering bellcrank Replace |
January 23, 1947 |
North American Aviation |
|
No. 22 |
Brake Assemble Rework |
February 06, 1947 |
North American Aviation |
|
No. 23 |
Carburetor Vapor Return Line Hose |
April 11, 1947 |
North American Aviation |
|
No. 24 |
Temp Removal of Eng-Driven Hyd Pump |
March 04, 1947 |
North American Aviation |
|
No. 25 |
Starter Engagement Mechanism Rework |
May 12 , 1947 |
North American Aviation |
|
No. 26 |
Controlled Hyd Pwr System Installation |
April 01, 1947 |
North American Aviation |
|
No. 27 |
Starter Pedal Reinforcement Bracket |
March 26, 1946 |
North American Aviation |
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No. 28 |
Nose Gear Hyd Cylinder Line Replace |
April 03, 1947 |
North American Aviation |
|
No. 29 |
Delco Remy Starting Motor Modification |
April 15, 1947 |
North American Aviation |
|
No. 30 |
Hartzell Prop Piston Guide Pin Safety |
May 05, 1947 |
North American Aviation |
|
No. 31 |
Engine Mount Front Frame Reinforce |
May 09, 1947 |
North American Aviation |
|
No. 32 |
Fuel Strainer Drain Cock Replacement |
May 01, 1947 |
North American Aviation |
|
No. 33 |
Elevator Leading Edge Rib Installation |
July 02, 1947 |
North American Aviation |
|
No. 34 |
Rescinded |
|
|
|
No. 35 |
Cabin Heater Fuel control Valve Inspect |
June 17, 1947 |
North American Aviation |
|
No. 36 |
Fuel Pump Inlet Lines Relocation |
March 15, 1948 |
North American Aviation |
|
No 01 |
Nose Gear Inner Cyl Bearing Retainer |
January, 01 1947 |
Ryan/NAI |
|
No. 02 |
Nose Gear Extension Restrictor |
March 22, 1948 |
Ryan/NAI |
|
No. 03 |
Nose Gear Drag Brace Attaching Struc |
May 20, 1948 |
Ryan/NAI |
|
No. 04 |
Insp Nose Gear Retract Drag Link |
August 05, 1949 |
Ryan/NAI |
|
No. 05 |
Propeller/counterweights |
January 03, 1949 |
Ryan/NAI |
|
No. 06 |
Insp of Main Landing Gear Housing |
January 18, 1949 |
Ryan/NAI |
|
No. 07 |
Navion Fuel System |
February 15, 1949 |
Ryan/NAI |
|
No. 08 |
End Fitting - Hyd Pwr and Ctrl Unit Shaft |
July 11, 1949 |
Ryan/NAI |
|
No. 09 |
Inspect Shakespeare Throttle Control |
September 01, 1950 |
Ryan/NAI |
|
No. 10 |
Hartzell Prop Control Unit |
December 29, 1950 |
Ryan/NAI |
|
No. 11 |
Insp Throttle Act Lnd Gear Horn Switch |
February 01, 1951 |
Ryan/NAI |
|
No. 12 |
Improved Cabin Seating |
April 15, 1951 |
Ryan/NAI |
|
No. 13 |
Land Gear Retract Link Inspection |
April 15, 1951 |
Ryan/NAI |
|
No. 14 |
Baggage Compartment Fuel Tank |
May 01, 1951 |
Ryan/NAI |
|
No. 15 |
Carb Air Induction Sys |
July 02, 1951 |
Ryan/NAI |
|
No. 16 |
Carb Air Duct Change |
February 12, 1952 |
Ryan/NAI |
|
No. 17 |
Cracking of Stab Fwd Attach Fittings |
September 26, 1952 |
Ryan/NAI |
|
No. 18 |
Aileron control Chain Jamming |
September 26, 1952 |
Ryan/NAI |
|
No. 19 |
Inspect Stab Front Attach Fittings |
February 16, 1953 |
Ryan/NAI |
|
No. 20 |
Increased Eng Cowl Flap Opening |
March 27, 1953 |
Ryan/NAI |
|
No. 21 |
Relative Motion Between Fuse & Wing |
August 05, 1954 |
Ryan/NAI |
|
No. 22 |
Cracks in Fuselage Frame Sta 294.1 |
November 15, 1954 |
Ryan/NAI |
|
No. 23 |
Insp Rear Wing Junction Fittings |
December 05, 1955 |
Ryan/NAI |
|
No. 24 |
Insp Forward Eng Mounts |
December 05, 1955 |
Ryan/NAI |
|
No. 25 |
Insp Nose Gear Drag Links |
December 05, 1955 |
Ryan/NAI |
|
No. 33 |
Repair Cracked Elevator Leading Edges |
November 01, 1947 |
Ryan/NAI |
|
No. 34 |
Landing Gear Retract Link Insp |
December 17, 1958 |
Ryan/NAI |
|
No. 37 |
Missing Rivets in the Rudder Beam Assy |
June 26, 1970 |
Ryan/NAI |
|
No. 66 |
Instrument Panel Support |
November 21, 1966 |
Ryan/NAI |
|
No. 101 |
Fuel System-Fuel Selector Valve |
June 24, 2004 |
Sierra Hotel Aero |
|
No. 102 |
Airframe Engine Mount |
July 13 2004 |
Sierra Hotel Aero |
|
No. 103 |
Airframe Fuselage Reinforcing Kit |
July 20, 2004 |
Sierra Hotel Aero |
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