AIRCRAFT MAINTENANCE CONVAIR CV-990 Overhaul Inspection & Period Check Period Flight Controls, Chapter 27 (continued) Amplifier, Speed Stability Augmentation 5,000 Computer, Mach. Sensor and Transmitter 5,000 Control Package, Rudder Linkage 10,000 Control Unit - Horizontal Stabilizer Trim 10,000 Cylinder, Inboard Spoiler 10,000 Cylinder, Rudder Power 5,000 Cylinder, Rudder Tab Locking 10,000 Damper, Aileron Flutter 5,000 Damper, Aileron Flight Tab Flutter 5,000 Damper, Aileron Gust 10,000 Damper, Elevator Gust 10,000 Damper, Elevator Flutter 5,000 Damper, Elevator Flight Tab Flutter 5,000 Elevator Crossover Tube (Fwd) 12,500 Flap Asymmetry Unit 8,000 Jack, Rudder Trim Tab 10,000 Jack, Rudder Flight Trim Tab 10,000 Indicator, Flap Position 10,000 Indicator, Longitudinal Trim Position 10,000 Motor, Electric, Stabilizer Emer.
Trim 10,000 Motor, Flap Main Drive Gearbox 12,500 Power Supply - Speed Stability Augmentation 5,000 Quadrant, Irreversible Aileron Spoiler Control 12,500 "Q" Cylinder Rudder Feel 12,500 Restrictors - Leading Edge Flap 12,500 Spoiler Mixer Installation 12,500 Switch, Leading Edge Flap Pressure 5,000 Swivels, Leading Edge Flap Actuator Flex Line 10,000 Switch, Rudder Hydraulic Pressure 10,000 Switch, Trim Rate Limit 5,000 Solenoid, Flap Position 5,000 Solenoid, Trim Rate Limit 5,000 Spring, Horizontal Stabilizer Trim Control Centering 10,000 T Box Assembly - Inboard & Outboard
Flap 12,500 Valve, Flap Control Servo 12,500 Valve, Flap Control Check 12,500 Valve, Flap Phase Shutoff 12,500 Valve, Inboard & Outboard Spoiler Servo 12,500 Valve, Leading Edge Flap Control 12,500 Valve, Power Rudder Servo 10,000 Valve, Rudder Power Limiting Relief 10,000 Valve, Rudder Shutoff 5,000 Effective date _____________________ Page 4 of 11 Pages
AIRCRAFT MAINTENANCE CONVAIR CV-990 Overhaul Inspection & Period Check Period Flight Controls, Chapter 27 (continued) Valve, Rudder Emergency & Auto Pilot Shutoff 10,000 Valve, Stabilizer Hydraulic Emergency & A/P Shutoff 10,000 Valve, Stabilizer Trim Control 5,000 Fuel System, Chapter 28 12,500 Hose, Fire Resistant Flexible 5,000 Impellor Assy., Pump, Hyd., Boost and Jettison 10,000 Indicator, Fuel Quantity 10,000 Indicator, Fuel Temperature 10,000 Manifold, Center Section Refuel 12,500 Motor, Hyd., Pump, Boost and Jettison 2,500 Pump, Electric, Boost & Transfer 10,000 Valve, Fuel Boost Control 5,000 Valve, Motor Actuated Crossfeed Gate 5,000 Valve, Motor Actuated Shutoff Emergency 10,000 Valve, Shutoff Fuel Jettison 5,000 Valve, Fuel Boost Control 5,000 Pump, Wing Tank Jettison 10,000 Hydraulic System, Chapter 29 12,500 Accumulator, Main 8,000 Filter, Hydraulic Pump Case Drain
Line 8,000 Filter, Low Pressure, Pump Supply Line 8,000 Filter, Main System High Pressure 8,000 Indicator, Hydraulic Pressure 10,000 Pump, Engine Driven Hydraulic 1,500 Transmitter, Hydraulic Pressure 8,000 Valve, Check Relief 10,000 Valve, Hydraulic Firewall Shutoff 10,000 Valve, 125 psi Hydraulic Check 5,000 Pump, Hydraulic Inlet Booster Motor 7,500 Ice and Rain Protection, Chapter 30 12,500 Actuator, Pneumatic Rain Clearing 6,000 Ammeter, Empennage De-Ice 10,000 Controller, Defog, Sliding Window A/1 8,000 Controller, Empennage De-Ice 8,000 Controller, Temperature & De-Fog, Pilot's Aft Window W/1 8,000 Control Box Assy., Bleed Air Duct Overheat Detector, Wing and Fuselage 5,000 Control Box, Center Windshield Anti-Ice 8,000 Control Box, Side Window Anti-Ice Temperature 8,000 Effective date _____________________ PAGE 5 of 11 PAGES
OPERATIONS SPECIFICATIONS
AIRCRAFT MAINTENANCE CONVAIR CV-990 Overhaul Inspection & Period Check Period Ice and Rain Protection, Chapter 30 (continued) Control Box, Structural Anti-Ice Overheat Warning 5,000 Control Box, Structural Overheat Valve 6,000 Control Box, Windshield Heat Temperature 8,000 Detector, Ice Warning, Engine 6,000
Valve, Anti-Icing Bleed Air Pressure Regulator 5,000 Valve, Rain Cleaning Actuator Solenoid 6,000 Valve, Relief, Pressure Differential 6,000 Valve, Windshield Rain Removal Shutoff 6,000 Instruments, Chapter 31 12,500 May be determined by the assigned inspector.
Landing Gear, Chapter 32 12,500 Accumulator, Brake 10,000 Adjuster Assy., Hydraulic Brake, Nose and Main Gear 5,000 Bottle, Emergency Air Brake * Cylinder, MLG Positioner Assembly 3,000 Drive Assy., NLG Anti-Skid Detector 7,500 Indicator, Brake Pressure 10,000 Lever, Landing Gear Control 10,000 Solenoid, Lever Lock 5,000 Switch, MLG Extend Pressure 5,000 Tires, Nose and Main OC Transmitter, Brake Pressure 5,000 Valve, MLG Emergency Brake Selector 5,000 Wheel Assy., Nose and Main Gear 8 months Lights, Chapter 33 12,500 May be determined by assigned inspector.
Navigation, Chapter 34 12,500 May be determined by assigned inspector Oxygen System, Chapter 35 12,500 Cylinder, Oxygen (Supply) * Cylinder, Oxygen, Portable and Equipment * Masks, Crew 5,000 Masks, Oxygen (Crew Portable) 7,500 Regulator, Diluter Demand 6,000 Valve, Auto Opening & Continuous Flow Regulator 6,000 Valve, Oxygen Cylinder 5 years Valve, Pressure Reducer 6,000 * 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 6 of 11 Pages
AIRCRAFT MAINTENANCE CONVAIR CV-990 Overhaul Inspection & Period Check Period Pneumatic, Chapter 36 12,500 Indicator, Bleed Air Pressure 10,000 Transmitter, Bleed Air Pressure 8,000 Valve, Bleed Air Pressure Regulator Shutoff 6,000 Water/Waste, Chapter 38 12,500 Pump, Water System Air Compressor, 5,000 Valve, Manual Pressure Release 5,000 Valve, Water System Pressure Relief 6,000 Valve, Aft Drain 5,000 Valve, Remote Control (Fwd Drain) 5,000 Valve, Check, Potable Water System 5,000 Powerplant General, Chapter 71 O.C.
Engine Mounts, Forward and Aft Links and Bolts E.O.
Engine, Chapter 72 O.C.
Compressor Section 2,000 * Turbine Section 1,500 * * Sample one turbine section at 1200 hours, one compressor section at 1600 hours, and one compressor section at 1800 hours.
Engine Fuel and Control, Chapter 73 O.C.
Actuator, Inlet Guide Vanes E.O.
Control, Engine Fuel E.O.
Heater, Fuel E.O.
Indicator, Fuel Flow 5,000 Pump, Engine Fuel E.O.
Sensor, Compressor Inlet Temperature E.O.
Switch, Fuel Pump Low Pressure
Warning 12,000 Transmitter, Fuel Flow 5,000 Valve, Pressurization and Dump E.O.
Ignition System, Chapter 74 O.C.
Cables E.O.
Igniter Plugs 500 Igniter Unit E.O.
Engine Air, Chapter 75 O.C.
Switch, Engine Anti-Icing Air Pressure 12,000 Valve, Bleed Air Pressure Regulator and Check 6,000 Valve, Engine Anti-Icing E.O.
Valve, Engine Inlet Anti-Icing Pressure Regulator and Shutoff 3,000 Effective date _____________________ Page 7 of 11 Pages
AIRCRAFT MAINTENANCE CONVAIR CV-990 Overhaul Inspection & Period Check Period Engine Air, Chapter 75 (continued) Valve, Engine Anti-Icing E.O.
Valve, Shutoff, 1-Inch Bleed Air Ejector E.O.
Engine Controls, Chapter 76 O.C.
Cable Tension Regulator 10,000 Engine Torque Box E.O.
Pylon Torque Box 5,000 QEC Cables and Conduits E.O.
Engine Indicating, Chapter 77 O.C.
Amplifier, AVM 5,000 Detectors, AVM E.O.
Generator, Engine Tachometer E.O.
Generator, Fan Tachometer E.O.
Indicator, AVM 10 months Indicator, Engine Pressure Ratio 8,000 Indicator, Engine Tachometer 7,500 Indicator, Exhaust Gas Temperature 5,000 Indicator, Fan Tachometer 7,500 Transducer, Engine Pressure Ratio E.O.
Exhaust System, Chapter 78 O.C.
Actuator and Linkage, Thrust Reverser E.O.
Blocker Door Assy., Thrust Reverser E.O.
Blucket Guard Assy., Thrust Reverser E.O.
Interlock Valve, Thrust Reverser E.O.
Latch Actuator, Thrust Reverser E.O.
Metering Valve, Thrust Reverser E.O.
Pump, Thrust Reverser E.O.
Selector Valve, Thrust Reverser E.O.
Oil System, Chapter 79 O.C.
Cooler, Main Oil and Constant Speed Drive E.O.
Indicator, Engine Oil Temperature 10,000 Indicator, Engine Oil Pressure 10,000 Indicator, Oil Quantity 6,000 Oil Tank E.O.
Tank Unit 10,000 Transmitter, Engine Oil Pressure 8,000 Switch, Low Pressure Warning 12,000 Engine Starting, Chapter 80 O.C.
Starter, Air Turbine 3,000 Valve, Starter Air Regulating and Shutoff 3,000 Effective date _____________________ Page 8 of 11 Pages
OPERATIONS SPECIFICATIONS
AIRCRAFT MAINTENANCE CONVAIR CV-990 Structural Inspection Program The aircraft structure is divided into zones and a detailed inspection time limitation is listed for each zone. The inspection of the zone shall include all areas of structure, components, and appliances unless a specific time limit is listed for a particular item. Sample items are identified with the suffix "S" and will be accomplished on 1/5 of the fleet.
Overhaul Inspection & Zone Period Check Period Doors, Chapter 52 12,500 Electronics Access Door 12 2,500 S
Forward Baggage Door 13.1 2,500 S Rear Baggage Door 15.1 & 2,500 S
15.2 Forward Entry Door 31.1 2,500 S Forward Galley Door 34.1 2,500 S Rear Entry Door 43.1 2,500 S Rear Galley Door 44.1 2,500 S Emergency Exit 36.1 & 2,500 S
37.1 Fuselage, Chapter 53 12,500 Radome 1 2,500 S Under Wing Bay L.H. & R.H. 3 & 4 5,000 FS 670-870 MLG Well, Inboard Sect. 5.1 & 12,500 FS 87-964 6.1 MLG Well, Outboard Sect. 5.2 & 5,000
6.2 Under Floor, Nose Sect. 11 2,500 S FS 187-250 Electronic & Electrical 12 2,500 S Compartment FS 250-375 Forward Baggage Compartment 13 2,500 S FS 375-622 Air Conditioning 14 2,500 S Compartment FS 622-678 Rear Baggage Compartment 15 2,500 S FS 1040-1344 Under Floor, Aft Sect. 16 2,500 S FS 1344-1487 Flight Deck & Fwd. of Inst. 20 thru 2,500 S Panel FS 152-301 25 Control Pedestal 22 2,500 S Flight Engineers Station 24 2,500 S R.H. FS 250-301 Fuselage, Cabin 31 thru 2,500 S FS 301-1437 48 Forward Entry Area 31 2,500 S FS 301-375 Lavatory "A" FS 301-341 32 2,500 S Lavatory "B" FS 341-384 33 2,500 S Effective date _____________________ Page 9 of 11 Pages
OPERATIONS SPECIFICATIONS
AIRCRAFT MAINTENANCE CONVAIR CV-990
Overhaul Inspection & Zone Period Check Period Fuselage, Chapter 53 (continued) Forward Galley Area 34 2,500 S FS 384-482 Forward Cabin Area L.H. 35 2,500 S FS 362-482 Forward Cabin Area R.H. 36 2,500 S FS 482-964 Forward Cabin Area L.H. 37 2,500 S FS 482-964 Floor and Seat Tracks 5,000 Overwing Area Below Floor 39 2,500 S FS 678-964 Aft Cabin Area L.H. 41 2,500 S FS 964-1344 Aft Cabin Area R.H. 42 2,500 S FS 964-1325 Rear Entry Area 43 2,500 S FS 1344-1422 Rear Galley Area 44 2,500 S FS 1325-1422 Lavatory "C" & "D" 47 & 48 2,500 S FS 1422-1487 Aft Fuselage FS 1487-1640 51 2,500 S Tail Cone FS 1640-1717 55 2,500 S Nacelles/Pylons, Chapter 54 12,500 Pylon, #1 Engine 75 5,000 Pylon, #2 Engine 76 5,000 Pylon, #3 Engine 77 5,000 Pylon, #4 Engine 78 5,000 Stabilizers, Chapter 55 12,500 Trailing Edge, Horizontal 52.0 & 2,500 Stabilizer 53.0 Trailing Edge, Horizontal 52.1 & 2,500 Stabilizer 53.1 Trailing Edge, Horizontal 52.2 & 2,500 Stabilizer 53.2 Trailing Edge, Horizontal 52.3 & 5,000 Stabilizer 53.3 Trailing Edge, Horizontal 52.4 & 2,500 Stabilizer 53.4 Trailing Edge, Horizontal 52.5 & 2,500 Stabilizer 53.5 Tip, Horizontal Stabilizer 52.6 & 2,500 S
53.6 Torque Box, Center to Rear 52.7 & 1,000 Spar 53.7
Torque Box, Center to Rear 52.8 & 2,500 S Spar 53.8 Torque Box, Center to Rear 52.9 & 1,000 Spar 53.9 Torque Box, Center to Rear 52.10 & 2,500 S Spar 53.10 Torque Box, Front to Center 52.11 & 5,000 Spar 53.11 Torque Box, Front to Center 52.12 & 2,500 S Spar 53.12 Torque Box, Front to Center 52.13 & 2,500 S Spar 53.13 Torque Box, Front to Center 52.14 & 2,500 S Spar 53.14 Leading Edge Stub 52.15 & 2,500
53.15 Leading Edge, Horizontal 52.16 & 2,500 Stabilizer 53.16 Elevator and Tabs 56.1 & 2,500 S
57.1 Torque Box, Vertical Fin 54.1 5,000 Torque Box, Vertical Fin, 54.2 2,500 S Center to Rear Spar Effective date _____________________ Page 10 of 11 Pages
AIRCRAFT MAINTENANCE CONVAIR CV-990 Overhaul Inspection & Zone Period Check Period Stabilizers, Chapter 55 (continued) Torque Box, Vertical Fin, 54.3 2,500 Center to Rear Spar Torque Box, Vertical Fin, 54.4 2,500 S Front to Rear Spar Torque Box, Vertical Fin, 54.5 2,500 S Front to Rear Spar Torque Box, Vertical Fin, 54.6 2,500 S Front to Rear Spar Trailing Edge, Vertical Fin 54.7 5,000 Trailing Edge, Vertical Fin 54.8 1,000 Trailing Edge, Vertical Fin 54.9 5,000 Trailing Edge, Vertical Fin 54.10 1,000 Trailing Edge, Vertical Fin 54.11 5,000 Trailing Edge, Vertical Fin 54.12 1,000 Trailing Edge, Vertical Fin 54.13 5,000
Trailing Edge, Vertical Fin 54.14 1,000 Trailing Edge, Vertical Fin 54.15 5,000 Trailing Edge, Vertical Fin 54.16 1,000 Trailing Edge, Vertical Fin 54.17 5,000 Trailing Edge, Vertical Fin 54.18 1,000 Trailing Edge, Vertical Fin 54.19 1,000 Dorsal - Vertical Fin 54.20 5,000 Leading Edge, Vertical Fin 54.21 2,500 Tip, Vertical Fin 54.22 2,500 S Rudder and Tabs 58.1 2,500 S Remove and Inspect Vertical Stabilizer Attach Bolts 5,000 Windows, Chapter 56 Cockpit Sliding Windows 21 & 23 2,500 S Mechanism Flight Deck Windshields 21, 22 1,000 & 23 Wings, Chapter 57 12,500 Tip, Wing 61 & 68 2,500 S Leading Edge, Wing, 62.1 & 2,500 S Outboard 67.1 Leading Edge, Wing, 63.1 & 2,500 S Intermediate 66.1 Leading Edge, Wing, 64.2 & 2,500 S Inboard 65.2 Leading Edge, Wing, Stub 64.1 & 1,000
65.1 Flaps, Leading Edge 1 thru 2,500 S 8 Fillet, Wing 69.1 & 2,500 S
69.2 Tank, #1 Main 81.1 2,500 S thru 81.7 Tank, #2 Main 82.5 2,500 S thru 82.8 Tank, #3 Main 83.5 2,500 S thru 83.8 Effective date _____________________ Page 11 of 11 Pages
AIRCRAFT MAINTENANCE CONVAIR CV-990 Overhaul Inspection & Zone Period Check Period
Wings, Chapter 57 (continued) Tank, #4 Main 84.1 2,500 S thru 84.7 Tank, #1 Aux. 85.1 2,500 S thru 85.6 Tank, #2 Aux. 82.1 2,500 S thru 82.4 Tank, #3 Aux. 83.1 2,500 S thru 83.4 Tank, #4 Aux. 89.1 2,500 S thru 89.6 Fuel Cell, Wing Center 87 2,500 S Section Trailing Edge, Wing, 91 & 98 2,500 S Outboard Trailing Edge, Wing, 92.3 & 2,500 S Outboard 97.3 Trailing Edge, Wing, 92.4 & 1,000 Outboard 97.4 Trailing Edge, Wing, 92.5 & 2,500 Outboard 97.5 Trailing Edge, Wing, 92.6 & 1,000 Outboard 97.6 Trailing Edge, Wing, 92.7 & 1,000 Outboard 97.7 Trailing Edge, Wing, 92.8 & 1,000 Outboard 97.8 Trailing Edge, Wing, 92.9 & 2,500 Outboard 97.9 Trailing Edge, Wing, 93.2 & 1,000 Intermediate 96.2 Trailing Edge, Wing, 93.3 & 2,500 Intermediate 96.3 Trailing Edge, Wing, 93.4 & 1,000 Intermediate 96.4 Trailing Edge, Wing, 93.5 & 1,000 Intermediate 96.5 Trailing Edge, Wing, 93.6 & 2,500 Intermediate 96.6 Trailing Edge, Wing, 93.7 & 1,000 Intermediate 96.7 Trailing Edge, Wing 93.8 & 2,500 Aileron Balance Bay 96.8 Trailing Edge, Wing 93.9 & 2,500 Aileron Balance Bay 96.9 Trailing Edge, Wing 93.10 & 2,500 Aileron Balance Bay 96.10 Trailing Edge, Wing, 94.3 & 1,000 Inboard 95.3 Trailing Edge, Wing, 94.4 & 2,500