Period Check Period Auto Pilot, Chapter 22 (continued) Annunciator - Glide Scope OC Three Axis Rate Transmitter 5,000 Air Data Sensor 3,000 Amplifier and Computer 3,000 Servo - Aileron, Rudder, & Elevator 2,500 Unit - Comparison 2,500 Communications, Chapter 23 May be determined by assigned inspector. OC Electrical Power, Chapter 24 OC Constant Speed Drive Oil Temp.
Indicator 10,000 Resistance Bulb c/o Drive Oil Temp. OC Wattmeters 10,000 DC Voltmeters 10,000 DC Ammeters 10,000 Generator Control Unit OC Relay - Essential Power Failure 5,000 Relay - External Power 6,000 Relay External Power Control 5,000 Relay - External Power Interlock 7,500 Relay - Negative Sequence Aux #1 7,500 Relay - Negative Sequence Aux #2 7,500 Relay - Negative Sequence 6,000 Transformer Rectifier OC A/C Generator 3,000 Voltage Regulator 5,000 Load Controller 5,000 Reverse Current Relay 5,000 Battery OC A/C Voltmeter and Ammeter 10,000 Frequency Meter 10,000 C/S Drive & Disconnect 3,000 Equipment and Furnishings, Chapter 25 OC May be determined by assigned inspector.
Fire Protection, Chapter 26 OC Control Unit - Wheel Well Area Fire Detector 5,000 Valve - Double Tee 10,000 Bottle - Fire Extinguisher * Control - Fire Warning Bell OC Stop Valve & Solenoid 6,000
Portable CO2 Bottles * Wheel Well Fire Detector Sensing Elements OC Engine Fire Detector Thermo Switches OC * Hydrostatic and life limits shall be entered here and shall not exceed those set forth in Part 173, Chapter I, Subtitle "B" of CFR Title 49.
Effective date _____________________ Page 3 of 12 Pages
OPERATIONS SPECIFICATIONS
AIRCRAFT MAINTENANCE BOEING 707/720 Overhaul Inspection & Period Check Period Flight Controls - Chapter 27 O.C.
Flasher - Speed Brake and Flap Warning 5,000 Gear Box - Angle Flap Drive 10,000 Gear Box - Double Angle Fillet Flap Drive 10,000 Indicator - Flap Position 10,000 Motor - Emery Flap Drive 10,000 Motor - Hydraulic Flap Drive 10,000 Motor - Stabilizer Trim Drive 5,000 Power Unit - Flap Drive Gearbox 10,000 Relay - Emergency Flap Drive 10,000 Relay - Stabilizer Trim Control 10,000 Relay - Stabilizer Trim Safety 10,000 Screw Assembly - Fillet Flap Drive 10,000 Screw Assembly - Main Flap Drive 10,000 Transmitter - Flap Position 10,000 Valve - Flap By Pass 10,000 Valve - Flap Metering 10,000 Flap Cables - Tension Check and Pressure Seal Inspection O.C.
Valve - Spoiler Metering 10,000 Control Column O.C.
Snubber - Aileron Gust O.C.
Snubber - Elevator Gust O.C.
Snubber - Rudder Gust 10,000 Damper - Rudder Control Tab 10,000 Actuator - Leading Edge Flap 12,000 Valve - Leading Edge Flap Actuator 12,000 Actuator - Stabilizer Trim 5,000 Aileron Control Surface Assembly 10,000
Aileron Tab Cockpit Control Mech. 10,000 Spoiler Control Surface O.C.
Spoiler Actuators 10,000 Flap Assembly 10,000 Rudder Control Jackshaft Installation 10,000 Rudder Pedal Assembly 5,000 Control Unit - Power - Rudder 10,000 Compensator - Rudder Power Control 10,000 Valve - Rudder Power Control 10,000 Valve - Rudder System Pressure Control 10,000 Valve - Rudder System Pressure Reducing 10,000 Elevator Control Surface Assembly 10,000 5,000 Horizontal Stabilizer Assembly 6,000 3,000 Stabilizer Trim Actuator Installation 5,000 Functional Check Entire Flight Control System 3,000 Effective date July 1, 1964 Page 4 of 12 Pages
OPERATIONS SPECIFICATIONS
AIRCRAFT MAINTENANCE BOEING 707/720 Overhaul Inspection & Period Check Period Fuel System, Chapter 28 O.C.
Indicator - Fuel Flow 5,000 Indicator - Fuel Quantity 5,000 Power Unit Fuel Flow 2,000 Snubber - Fuel Dump 10,000 Solenoid - Fuel Dump Release 7,500 Compensator - Tank Unit O.C.
Gauge - Fueling Quantity 5,000 Indicator - Fuel Temperature 10,000 Bulb - Fuel Temperature #1 Main Tank O.C.
Valve - Defueling Check O.C.
Valve - Pump Removal Check O.C.
Valve - Defueling Manual O.C.
Valve - Manual Fueling Shutoff O.C.
Valve - Fueling Level Control
Shutoff O.C.
Valve - Fueling Test O/C Valve Thermal Relief O.C.
Fuel Flow Transmitter 5,000 Booster Pumps 10,000 7,500 Engine Fuel Feed Shutoff Valve 8,000 Engine Fuel Manifold Shutoff Valve 8,000 Engine Fuel Emergency Shutoff Valve 8,000 Reserve Tank Shutoff Valve 10,000 Dual Check Valve O.C.
Dump Chute Shutoff Valve 10,000 Fuel Dump Actuator and Motor 5,000 Fuel Dump Uplatch Actuator 5,000 Hydraulic Power, Chapter 29 O.C.
Indicator - Reservoir Level 7,500 Pump - Aux. Hydraulic Motor 2,500 Regulator - Reservoir Air Pressure 10,000 Switch - Pressure O.C.
Transmitter - Reservoir Level 7,500 Valve - Main and Auxiliary Interconnect 10,000 Valve - Utility System Relief 12,000 Valve Suction Shutoff 10,000 Relay - Auxiliary Pump 7,500 Gauge - Accumulator Pressure O.C.
Transmitter - Temperature Sensing O.C.
Valve - Manual Bypass 12,000 Hydraulic Pump - Engine Driven 2,000 Hydraulic Accumulator O.C.
Hydraulic Reservoir O.C.
Pressure Transmitter 7,500 Effective date July 1, 1964 Page 5 of 12 Pages
OPERATIONS SPECIFICATIONS
AIRCRAFT MAINTENANCE BOEING 707/720 Overhaul Inspection & Period Check Period Hydraulic Power, Chapter 29 (continued) Pressure Indicator 10,000
Pump Rudder Hydraulic Motor 4,000 Ice and Rain Protection, Chapter 30 O.C.
Ammeter - Pitot Heater 10,000 Ammeter - Empennage Anti Ice 10,000 Controller - Empennage Shedding Area 7,500 Controller - Automatic Empennage Shedding Area 7,500 Controller - Empennage Parting Strip 7,500 Relay - Nesa Control 10,000 Relay - Wing Anti Ice 10,000 Converter - Windshield Wiper 10,000 Drive - Windshield Wiper Flex. O.C.
Duct - Temperature Indicator 10,000 Duct - Temperature Sensor O.C.
Anti Ice Check Valve 12,000 Anti Ice Shutoff Valve 10,000 Anti Ice Ducting O.C.
Empennage De Icer Overheat Switch O.C.
Empennage Temp. Control Switch O.C.
Windshield Anti Ice Controller 5,000 Windshield Wiper Motor 10,000 Ice Detector O.C.
Ice Interpreter O.C.
Instruments, Chapter 31 O.C.
Ram Air Temperature Indicator (Lewis) 10,000 Static Air Temperature Indicator (Kollsman) 5,000 Air Speed - Angle of Attack Indicator (Kollsman) 5,000 Machmeter (Kollsman) 7,500 Altimeter and Scale Error Corrector 5,000 Altimeter (Kollsman 671-CPX-10-051) 5,000 Indicator - True Air Speed (Kollsman) 5,000 Pitot Tubes O/C Static System O.C.
Flight Recorder 2,000 Heading Amplifier O.C.
Angle of Attack Sensor O.C.
Control Unit - Air Data O.C.
Landing Gear, Chapter 32 O.C.
Actuator - Main Gear 10,000 Actuator - Main Gear Door 10,000 Actuator - Main Gear Side Strut 10,000 Actuator - Nose Gear 10,000 Actuator - Nose Gear Door 10,000
Effective date July 1, 1964 PAGE 6 of 12 PAGES
OPERATIONS SPECIFICATIONS
AIRCRAFT MAINTENANCE BOEING 707/720 Overhaul Inspection & Period Check Period Landing Gear, Chapter 32 (continued) Control Shield - Anti Skid 10,000 Cylinder - Nose Steering 10,000 Detector - Brake Anti Skid 2,500 Gauge Emergency Air Brake Pressure 10,000 Relay - Main Gear Position Warning 10,000 Relay - Nose Gear Position Warning 10,000 Relay - Safety Switch 12,500 Restrictor - Nose Gear Variable 12,500 Snubber Assembly - Main Gear 12,500 Solenoid - Landing Gear Latch Lever OC Transmitter - Brake Accumulator Pressure 7,500 Valve - Brake Anti Skid 10,000 Valve - Brake Deboost 10,000 Valve - Brake Shuttle 10,000 Valve - Landing Gear Selector 10,000 Valve - Main Gear Actuator Sequence 10,000 Valve - Nose Gear Door Control 10,000 Valve - Air Brake Control OC Valve - Steering Disconnect 10,000 Bottle - Air Brake * Switch - Leveling Cyl. OC Centering and Snubber Assembly OC Valve - Landing Gear Door Safety OC Valve - Nose Gear Door Safety OC Nose Gear Assembly 10,000 Nose Gear Shock Strut 10,000 Nose Gear Drag Strut and Lock Assembly 12,500 Nose Gear Torsion Link 12,500 Nose Gear Steering Collar 12,500 Nose Gear Axles 12,500 Nose Gear Emergency Lockshaft, Actuator Support Shaft, Lock Arm Shaft and Drag Brace Shaft 12,500 Nose Gear Wheel Assembly OC
Nose Gear Lock Mechanism 10,000 Nose Gear Emergency Release System OC Nose Gear Signal System OC Valve - Nose Gear Steering 10,000 Main Gear Assembly 10,000 Main Gear Trunnion 12,500 Main Gear Truck Assembly 12,500 Main Gear Drag Strut 12,500 Main Gear Side Strut 12,500 Main Gear Torsion Links 12,500 * Hydrostatic and life limits shall be entered here and shall not exceed those set forth in Part 173, Chapter I, Subtitle "B" of CFR Title 49.
Effective date _____________________ PAGE 7 of 12 PAGES
OPERATIONS SPECIFICATIONS
AIRCRAFT MAINTENANCE BOEING 707/720 Overhaul Inspection & Period Check Period Landing Gear, Chapter 32 (continued) Main Gear Walking Beam and Support Link 12,500 Main Gear Wheel Assembly OC Main Gear Brake Assembly OC Emergency Release System OC Power Brake Valve 10,000 Centering Cylinder 10,000 Lights, Chapter 33 May be determined by assigned inspector.
Navigation, Chapter 34 May be determined by assigned inspector.
Oxygen, Chapter 35 OC Automatic Altitude Sensing Valve 7,500 Manifold Pressure Switch 10,000 Disconnect - Crew Oxygen OC Bottle Oxygen Portable * Regulator - Constant Flow 7,500 Latch - Automatic OC
Valve - Mask Shutoff OC Valve - Oxygen by Pass 7,500 Oxygen Cylinder * Crew Demand Regulator 7,500 Pressure Reducing Valve OC Passenger Oxygen Mask Assembly OC * Hydrostatic and life limits shall be entered here and shall not exceed those set forth in Part 173, Chapter I, Subtitle "B" of CFR Title 49.
Powerplant General, Chapter 71 Engine Mount Links and Fittings EO Engine Mount Bolts EO Engine Nose Cowl EO Engine Nose Cone EO Cowling EO Engine, Chapter 72 Compressor Section 3,000 ** Turbine Section 2,000 ** ** Sample one turbine overhaul at 1800 hours, one compressor section overhaul at 2400 hours and one compressor section overhaul at 2800 hours.
Effective date _____________________ Page 7A of 12 Pages
OPERATIONS SPECIFICATIONS
AIRCRAFT MAINTENANCE BOEING 707/720 Overhaul Inspection & Period Check Period Engine Fuel and Control, Chapter 73 Fuel and Oil Heat Exchanger EO Fuel Control Unit EO Fuel Pump, Engine Driven EO Indicator, Fuel Pressure 10,000 Indicator, Fuel Flow 5,000 Switch, Fuel Pressure Warning EO Transmitter, Fuel Pressure 5,000 Transmitter, Fuel Flow EO Ignition System, Chapter 74 Ignition Exciter EO
Ignition EO Ignition Transformer EO High Tension Heads EO Air System, Chapter 75 Anti-icing Control Valve and System EO Valve, Oil Cooler Ejector Control OC Compressor Bleed Valve and Actuator EO Anti-icing Bleed Shutoff Valve EO Valve, Fuel Deice Shutoff OC Anti-icing Regulator EO Ejector, AC Generator Cooling 2,500 Valve, Nacelle Thermal Anti-ice EO Valve, Nose Cowl Anti-ice EO Engine Controls, Chapter 76 Cockpit Pedestal Area OC Cockpit to Engine Struts OC Engine Struts OC Engine OC Engine Indicating, Chapter 77 Bulb, Ram Air Temperature EO Generator, Tachometer EO Indicator, Pressure Ratio EO Transmitter, Pressure Ratio 3,500 Indicator, Tachometer 5,000 Indicator, Ram Air Temperature OC Indicator, Exhaust Gas Temperature 5,000 Indicator, Engine Vibration 5,000 Effective date _____________________ PAGE 7B of 12 Pages
OPERATIONS SPECIFICATIONS
AIRCRAFT MAINTENANCE BOEING 707/720 Overhaul Inspection & Engine Indicating, Chapter 77 Period Check Period (continued) Detector, Engine Vibration EO Amplifier, Engine Vibration EO Exhaust System, Chapter 78 Exhaust Nozzle and Plug EO Aft Fairing Assembly EO
Thrust Reverser Assembly and Control EO Valve, Reverser Directional EO Thrust Reverser Actuating Cylinder EO Oil System, Chapter 79 Actuator, Oil Cooler Door EO Cooler Assembly EO Indicator, Oil Pressure EO Indicator, Oil Quantity 7,500 Indicator, Oil Temperature 10,000 Oil Tank EO Switch, Oil Pressure Warning OC Thermostat, Oil Temperature Control EO Transmitter, Oil Pressure EO Transmitter, Oil Quantity OC Valve, Oil Shutoff OC Valve, Oil Temperature Control OC Starting, Chapter 80 Air Compressor 2,500 Bottle, Air Start * Corrosion Inspection 1 year Starter, Pneumatic EO Starter Low Pressure Shutoff Valve EO Gauge, Air Pressure 7,500 Valve, Air Bottle Ground Charge OC Valve, Starter Air Relief 10,000 Regulator, Pressure Shutoff 7,500 * Hydrostatic and life limits shall be entered here and shall not exceed those set forth in Part 173, Chapter I, Subtitle "B" of CFR Title 49.
Water Injection, Chapter 82 Pump, Water Injection Electric 3,000 Pump, Water Injection Engine Driven EO Switch, Water Pressure 10,000 Valve, W/I Check 10,000 Valve, Water Shutoff 5,000 Valve, Water Drain 5,000 Indicator, Water Quantity OC Sensor, Water Quantity OC Valve, Water Injection Relief OC Effective date _____________________ Page 8 of 12 Pages
OPERATIONS SPECIFICATIONS
AIRCRAFT MAINTENANCE
BOEING 707/720 Overhaul Inspection & Period Check Period The Following Systems are Structural and Systems Items that are not removed from the Aircraft. Sample items are identified by a Suffix "S" and will be accomplished on 1/4 of the Fleet Doors, Chapter 52 Electronic, forward Cargo, Rear Cargo, L. Entry Door, Rt. Forward Service Door, Rt. Entry Door, Interior, Frames, Scuff Plates Emergency Exits, Cutouts, Interior and Exterior 4,000 S Fuselage, Chapter 53 Framing and Skin around Windshields and Windows Zone 21-22-26 5,000 S Framing and Skin around Galley, Cargo Entrance Doors, Emergency Exits, Hatches, Electronic Access Doors, Battery Access Doors.
Zone 11-12-13-15-25-26-27 Above Floor 4,000 S Below Floor 4,000 S Galley, Cargo and Entrance Doors Emergency Exit Hatches, and Lower Nose Compartment Access Doors Zone 11-12-25-26-42-43-44-45-46- 47-48 4,000 S Fuselage Skin Panels and Circumferential and Longitudinal Skin Joints - Zone 14-15-16-21-22-23- 24-25-26-27-28-29-32-33-37 4,000 S Fuselage Skin Panels under Horizontal Stabilizer Fairing Zone 37 10,000 Tension Bolts between Body Section at Stations 360 to 960 Zone 16- 24-26-29 and Station 1440 Zone 37 4,000 S Pressure Bulkheads and Pressure Panels at the Following Locations:
BS 178 Zone 41 7,000 Nose Wheel Well Zone 31 3,000 BS 620 Zone 33-34 4,000 S
BS 960 Zone 35-36 4,000 S BS 1440 Zone 37 4,000 S Horizontal Pressure Web Between BS 820 and 960 - Zone 35-36 4,000 S Wing and Empennage Attachment Bulkhead at Following Body Stations:
BS 620-820 - Zone 14-26-35-36 7,000 BS 1440 Zone 29 4,000 S BS 1505.87 Zone 37 5,000 BS 1592 Zone 38 8,000 Effective date July 1, 1964 Page 9 of 12 Pages
OPERATIONS SPECIFICATIONS
AIRCRAFT MAINTENANCE BOEING 707/720 Overhaul Inspection & Period Check Period Body Frames at BS 740-758.95,
781.95, and 800 - Zone 26 5,000 Floor Beams at BS 360, 830, 920, and 1,260 Zone 11-12-14-15-26 4,000 S Fuselage Delta Beam BS 620-820 and Keel Beam BS 820-960 Zone 32 5,000 Main Gear Side Brace Support Fittings Zone 35-36 4,000 Nose Landing Gear Supporting Structure Zone 31 3,500 Skin and Stringer Splices in Crown Area (510 and above) at BS 360- 481-620-820-960-1241 and 1440 Zones 24-25-26-29 4,000 S Intermediate Stringer Splices in Crown Area's S-10 and above BS 600-620-820-960-1440 Zone 26 4,000 S Fuselage Skin in Lower Lobe under Galley and Lavatory Areas - Zone 11-12-13-15-16 4,000 S Nacelles, Chapter 54 Forward Engine Mount Fittings 1,400 Forward Engine Mount Thrust Link 1,400 Thrust Link Terminal Bolts 4,000 S Forward Engine Mount Thrust Connection Fitting 1,400 Rear Engine Mount Fitting 1,400