56 ADs indexed for Martin-Marietta Corporation aircraft.
Airworthiness Directives; MARTIN Martin 404 Aircraft
Unsafe Condition: Corrosion at wing spar chord splice joints at wing station 187 could lead to structural failure.
Why matched: Airworthiness Directives; MARTIN Martin 404 Aircraft
Airworthiness Directives; MARTIN AIRCRAFT Models 202, 202A and 404 Airplanes
Unsafe Condition: Cracks or corrosion in the main landing gear aluminum gland nut, P/N 202SD81548 (Menasco Drawing No. 511034).
Why matched: Airworthiness Directives; MARTIN AIRCRAFT Models 202, 202A and 404 Airplanes
Airworthiness Directives; MARTIN Models 202, 202A and 404 Airplanes
Unsafe Condition: Cracks and corrosion in the engine mounts, specifically in the tubular members and welds, which could lead to structural failure of the engine mounts.
Why matched: Airworthiness Directives; MARTIN Models 202, 202A and 404 Airplanes
MARTIN Models 202, 202A, and 404 Series Airplanes
Unsafe Condition: Cracks in the lower spar cap, spar web inboard of the outer panel closing rib, and vertical angle attaching the web to the outer panel closing rib in the front spars of the outer wing panels at 25%...
Why matched: MARTIN Models 202, 202A, and 404 Series Airplanes
MARTIN Model 404 Airplanes
Unsafe Condition: Cracks in the main landing gear oleo cylinders between the jury strut attach lugs could result in structural failure of the landing gear.
Why matched: MARTIN Model 404 Airplanes
Airworthiness Directives; MARTIN Models 202, 202A, and 404 Airplanes
Unsafe Condition: Cracks in the piston of the piston and fork assembly of the nose landing gear, specifically part number 202SD84483, could lead to failure of the nose landing gear assembly.
Why matched: Airworthiness Directives; MARTIN Models 202, 202A, and 404 Airplanes
HAMILTON STANDARD Models All Standard Aluminum-Alloy Propellers
Unsafe Condition: Propeller blades may have undetected damage from impact with solid objects, leading to bending, twisting, or other structural failures that could result in blade separation or loss of thrust.
Why matched: HAMILTON STANDARD Models All Standard Aluminum-Alloy Propellers
MARTIN Models 202, 202A and 404 Aircraft
Unsafe Condition: Cracks found in the rear wing spar flange and in the Eastern Airlines P/N 304-5098-1 doubler on several aircraft.
Why matched: MARTIN Models 202, 202A and 404 Aircraft
MARTIN Model 404 Aircraft
Unsafe Condition: Cracks have been found in the upper portion of the 0.250 inch radius at the junction of the axle and the piston terminal (approximately 2.4 inches from the centerline of the main gear) of main land...
Why matched: MARTIN Model 404 Aircraft
MARTIN Models 202, 202A and 404 Aircraft
Unsafe Condition: Failures of Model 404 main landing gear torque arms have occurred in the lower attachment point where the torque scissors attach to the strut, and a failure was found in the apex (upper to lower to...
Why matched: MARTIN Models 202, 202A and 404 Aircraft
MARTIN Models 202 and 202A Aircraft
Unsafe Condition: The cabin heater lights and switch are not located in the cockpit, which could lead to inadequate monitoring and potential heater system failures.
Why matched: MARTIN Models 202 and 202A Aircraft
Martin Model 202 Aircraft
Unsafe Condition: The fin-to-fuselage attachments may contain structural defects or fretting corrosion, which could lead to fin separation.
Why matched: Martin Model 202 Aircraft
Martin Models 202 and 202A Aircraft
Unsafe Condition: Oxygen bottles located in the lower center section require relocation to eliminate high pressure lines in the bottom of the fuselage.
Why matched: Martin Models 202 and 202A Aircraft
MARTIN Model 202 Aircraft
Unsafe Condition: Unsatisfactory wing scarf splice bushing installations resulting in undesirable bending loads on the bolts due to incomplete lining of the holes.
Why matched: MARTIN Model 202 Aircraft
MARTIN Models 202 and 202A Airplanes
Unsafe Condition: With the reverse pitch stop ring relocated to act as a low pitch stop, inadvertent energization of the reverse solenoid valve can cause the stop ring to fail under extreme loads from high oil press...
Why matched: MARTIN Models 202 and 202A Airplanes
Martin Models 202 and 202A Aircraft
Unsafe Condition: Nose gear centering cam failures which result in the inability to extend the nose landing gear.
Why matched: Martin Models 202 and 202A Aircraft
Martin Model 202 Aircraft
Unsafe Condition: Cracks at combustion chamber and heat exchanger end plates on Stewart-Warner 921-B heaters in cabin and wing systems may lead to heater failure.
Why matched: Martin Model 202 Aircraft
Martin Models 202 Aircraft
Unsafe Condition: The throttling valve vent in the cabin heater fuel supply line lacks adequate drain, which could lead to fuel leakage and potential fire hazard.
Why matched: Martin Models 202 Aircraft
Martin Models 202 and 202A Airplanes
Unsafe Condition: Inadvertent shorting between the "MAIN" and "CONTROL" terminals of the D7231-125 inverter remote reset circuit breaker.
Why matched: Martin Models 202 and 202A Airplanes
Martin Model 202 Aircraft
Unsafe Condition: Excessive hydraulic fluid leakage from system emergency and flap synchronizer bypass valves, nose gear steer-valve, hydraulic test outlet dustcaps, main and landing gear pressure relief valves, 24S...
Why matched: Martin Model 202 Aircraft