Service Bulletins describe mandatory procedures that must be observed for safety reasons. Service Bulletins are identified by the word BULLETIN printed (originally in Red) on the right margin.
Service Letters were issued to explain service policies and describe modifications, processes, new products and other information pertinent to the operation, maintenance and repair of our aircraft. Service Letters can be identified by the word LETTER printed (orignially in Blue) on the right margin.
SERVICE BULLETINS
| SB | AA5 | Title | Aircraft Affected |
|---|---|---|---|
| SB-106 | Grounding Strap Installation | AA1-0001 thru AA1-0032 | |
| SB-113 | Engine Cooling Improvements | AA1-0001 thru AA1-0108, AA1-0110 thru AA1-0115 | |
| SB-114A | Carburetor Drain Plugs – Excess Sealant | AA1 (See List) | |
| SB-115 | Main Landing Gear Bracket Inspection | AA1-0002 thru AA1-0008; AA1-0011 thru AA1-0014 | |
| SB-116 | Exhaust System Inspection | AA1-0001 thru AA1-0159 | |
| SB-117 | Paint Removers | AA1 (All) | |
| SB-118 | Oil Pressure Line Inspection and Elbow Installation | AA1-0001 thru AA1-0436 | |
| SB-119 | Spinner/Back Plate Inspection | AA1 (See List) | |
| SB-120 | Throttle Control Inspection | AA1-0001 thru AA1-0436 | |
| SB-121 | Nose Gear Strut Inspection | AA1-0001 thru AA1-0432 | |
| SB-123 | Carburetor Inspection | AA1, AA1A (See List) | |
| SB-124 | Modification of 902026-1 Rear Radio Supports | AA1A (See List) | |
| SB-125 | Weight and Balance Data Sheet Correction | AA1A (See List) | |
| SB-126 | Control Surface Bearing Support Inspection | AA1A (See List) | |
| SB-127A | X | Control Cable Inspection | AA1, AA1A, AA1B, AA5 (See List) |
| SB-128 | X | Fuel Tank Vent Line Inspection and Modification | AA5-0002 thru AA5-0045 |
| SB-129 | X | Front Seat Improvements | AA5-0001 thru AA5-0089 |
| SB-130 | Flap Motor/Right Rudder Cable Clearance Inspection | AA1, AA1A (All) | |
| SB-131 | X | Rudder System Spring Replacement | AA1, AA1A, AA5 (All) |
| SB-132 | X | Additional Aileron Drain Holes | AA5-0001 thru AA5-0159 |
| SB-133 | X | Fuel Pressure Lines Inspection | AA1, AA1A, AA1B, AA5 (All) |
| SB-134 | X | Headliner Inspection and Replacement | AA1, AA1A, AA1B, AA5 (See List) |
| SB-135 | X | Carburetor Air Box Inspection | AA5-0001 thru AA5-0300 |
| SB-136 | X | Elevator Trim Tab Hinge Inspection | AA5-0001 thru AA5-0284 |
| SB-137A | X | Engine Mount Inspection | AA5-0175 thru AA5-0290 |
| SB-138 | Placard Installation | AA1, AA1A, AA1B (See List) | |
| SB-139 | X | Master Cylinder Inspection | AA1B, AA5 (See List) |
| SB-140 | X | ELT Antenna Rivet Change | AA1A, AA1B, AA5 (See List) |
| SB-141 | X | Left-Hand Magneto “P” Lead Replacement | AA1B, AA5 (See List) |
| SB-142 | X | Throttle Cable Housing Wear | AA1, AA1A, AA1B, AA5 (See List) |
| SB-143 | X | United Altimeter | AA1, AA1A, AA1B, AA5 (See List) |
| SB-144A | Mixture Control | AA1. AA1A, AA1B (All) | |
| SB-145 | X | AA5B Upper Engine Mount Bolt Inspection | AA5B (See List) |
| SB-146 | X | Firewall Rivet Installation | AA1, AA1A, AA1B, AA5 (See List) |
| SB-147 | X | Rudder Control Bar Inspection | AA1, AA1A, AA1B, AA5, AA5B |
| SB-148 | X | Mandatory Induction Air Filter Replacement | AA5B-0002 thru AA5B-0023 |
| SB-149 | X | Nose Gear Strut Inspection and Protection | AA1, AA1A, AA1B, AA5 (See List) |
| SB-150A | X | Carburetor Mixture Control Replacement | AA5B-0001 THRU AA5B-0215 |
| SB-151 | X | Center Spar Console Inspection and Modification | AA1, AA1A, AA1B, AA5, AA5A, AA5B (See List) |
| SB-152A | X | Upper Cowl Center Hinge Replacement | AA5, AA5A, AA5B (See List) |
| SB-153 | X | Spar/Skin Spacer Removal | AA5A, AA5B (See List) |
| SB-154 | X | Fuel Line Inspection | AA5A, AA5B (See List) |
| SB-155 | X | Bondline Protection | AA1, AA1A, AA1B, AA5, AA5A, AA5B |
| SB-155A | X | Bondline Protection | AA1, AA1A, AA1B, AA5, AA5A, AA5B |
| SB-156 | X | Oil Cooler Replacement | AA5A, AA5B (See List) |
| SB-157 | X | Control Wheel Shaft and Bearing Inspection | AA1B, AA5, AA5A, AA5B(See List) |
| SB-159 | X | Carburetor Heat Valve Inspection/Replacement | AA5, AA5A (See List) |
| SB-160 | X | Alternate Static Valve Inspection and Cleaning | AA5A, AA5B (See List) |
| SB-161 | Narco ELT-10 | All with this Equipment | |
| SB-162 | Removal of Canopy Cable System | AA1B, AA1C (See List) | |
| SB-163 | X | Aileron Torque Tube Inspection and Modification | AA5A, AA5B (See List) |
| SB-164 | X | Rockwell-Collins Audio Marker Rec-to-Transponder | AA5A, AA5B (All with this Equipment) |
| SB-165A | X | Aileron Inspection or Modification | AA5, AA5A, AA5B (All) |
| SB-166 | X | Seat Belt Replacement | AA1B, AA1C, AA5, AA5A, AA5B (See List) |
| SB-167A_B_C | X | McCauley Propeller Hub Inspection | AA5B (All with McCauley Prop) |
| SB-168 | X | Aileron Torque Tube Joint Inspection | All AA5 Series with SK 150 Modified Ailerons |
| SB-169 | X | Outboard Elevator Drain Holes | AA5A, AA5B (See List) |
| SB-170 | X | Air Filter Retention Screen | AA5-0641 and on, All AA5A |
| SB-171 | X | Voltage Regulator Replacement | AA5, AA5A, AA5B (See List) |
| SB-173 | Seat Belt Attachment Bracket Replacement | AA1, AA1A, AA1B, AA1C (All) | |
| SB-174 | Inspection of Carburetor Heat Butterfly Valve | AA1, AA1A, AA1B, AA1C (All) | |
| SB-175 | X | Inspection of Carburetor Inlet Duct | AA5-0641 and on, All AA5A |
| SB-176 | Alternator Light Circuit Modification | AG5B 99998, 10000 thru 10033 | |
| SB-177 | X | Inspection of Aileron Torque Tubes | AA5, AA5A, AA5B, AG5B (All) |
| SB-178A | Inspection of Nose Landing Gear Torque Tubes | AG5B 99998, 10000 thru 10097 | |
| SB-179 | X | Flap Torque Tube Bearing Assembly | AA5, AA5A, AA5B, AG5B (All) |
| SB-180 | Fuel System Inspection | AG5B 99998, 10000 thru 10130 | |
| SB-181 | Fuel System Contamination | AG5B 99998, 10000 thru 10006 | |
| SB-182 | Artex H4K ELT Model 110-4 | AG5B 99998, 10000 thru 10019 | |
| SB-183 | Parker Hannifin Wheel and Brake Master Cylinders | AG5B 99998, 10000 thru 10151 | |
| SB-184 | Aileron Control Interference | AG5B 99998, 10000 thru 10158 | |
| SB-185 | X | Wing Attach Shoulder Bolts | AA5, AA5A, AA5B, AG5B (All) |
| SB-185 | X | Wing Attach Shoulder Bolts | AA5, AA5A, AA5B (All); AG5B (See List) |
| SB-186 | Interior Parts Corrosion | AG5B (All) | |
| SB-187 | X | Engine Oil Breather Blockage | AA5, AA5A, AA5B, GA7 (All) |
| SB-188 | X | Ruptured Instrument Pressure Lines | AA5, AA5A, AA5B (All) |
| SB-189 | Missing Rivets | AG5B 99998, 10000 thru 10174 | |
| SB-190 | Throttle Cables | AG5B (See List) | |
| SB-191 | Rear Seat Belt Attach Bracket | AG5B 99998, 10000 thru 10158 | |
| SB-192 | X | Aft Fuselage Inspection | AA5 Series (All) |
| SB-194 | Control Column Bearing Lubrication | AG5B 10201 thru 10251 |
|
101 |
102 |
103 |
104A |
105 |
107 |
108 |
109 |
110 |
|
|
111 |
112A |
||||||||
122 |
|||||||||
| 151 | 152A | 153 | 154 | 155 | 156 | 157 Amd1 |
Not Used |
159 | 160 |
| 161 | 162 | 163 | 164 | 165A | 168 | 169 | 170 | ||
| 171 |
Not Used |
173 | 174 | 175 | 176 | 177 | 178A | 179 | 180 |
| 181 | 182 | 183 | 184 | 185A | 187 | 188 | 189 | 190 | |
| 191 |
Not Used |
Not Used |
Not Used |
Not Used |
Not Used |
Not Used |