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2006-12-07

final rule

Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies

Unsafe Condition: Cracks in the cylinder assemblies and possible engine failure caused by separation of a cylinder head.

Effective: Jul 11, 2006 Category: engine Compliance: Before further flight

Why matched: Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2005-18-20

final rule

Airworthiness Directives; Goodrich De-icing and Specialty Systems “FASTprop” Propeller De-icers

Unsafe Condition: Goodrich De-icing and Specialty Systems 'FASTprop' propeller de-icers becoming loose or debonded, and detaching from propeller blades during operation.

Effective: Oct 14, 2005 Category: propeller Compliance: Before further flight

Why matched: Airworthiness Directives; Goodrich De-icing and Specialty Systems "FASTprop" Propeller De-icers

Technical illustration of an aircraft propeller assembly
Problem area Propeller

79-05-06

final rule

Airworthiness Directives; Gulfstream American (Formerly Grumman American Aviation Corporation) Model GA-7 Airplanes

Unsafe Condition: Chafing and possible leakage of the main fuel feed line by the propeller control cable behind the firewall in the left hand engine nacelle.

Effective: Mar 9, 1979 Category: aircraft Compliance: Within the next 25 hours' time in service after the effective date of this AD

Why matched: Airworthiness Directives; Gulfstream American (Formerly Grumman American Aviation Corporation) Model GA-7 Airplanes

79-05-07

final rule

Airworthiness Directives; Gulfstream American (Formerly Grumman American Aviation Corporation) Model GA-7 Airplanes

Unsafe Condition: Fuel leakage from cracks in the inboard fuel tank ribs at Wing Station (W.S.) 109, at the forward fuel tank outlet fittings in the left and right wings.

Effective: Mar 9, 1979 Category: aircraft Compliance: within the next 25 hours' time in service after the effective date of this AD

Why matched: Airworthiness Directives; Gulfstream American (Formerly Grumman American Aviation Corporation) Model GA-7 Airplanes

Technical illustration of an aircraft fuel pump, filter, valve, and lines
Problem area Fuel system

79-03-06

final rule

Airworthiness Directives; Gulfstream American Corporation (GAC) (Formerly Grumman American Aviation Corporation) Model GA-7 Airplanes

Unsafe Condition: Partial loss of rudder control due to excessive freeplay in the rudder assembly exceeding maximum allowed limits (.040 inches or 1 degree).

Effective: Feb 15, 1979 Category: aircraft Compliance: within 10 hours time in service after the effective date of this AD

Why matched: Airworthiness Directives; Gulfstream American Corporation (GAC) (Formerly Grumman American Aviation Corporation) Model GA-7 Airplanes

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

79-02-03

final rule

Airworthiness Directives; Grumman Model G-21A Aircraft

Unsafe Condition: The inability to restart an engine and the simultaneous loss of the remaining engine due to modifications incorporating Hartzell propellers and governor crossfeed systems under STC SA1-52.

Effective: Jan 29, 1979 Category: aircraft Compliance: within 50 hours' time in service or 15 days, whichever occurs first, after the effective date of ...

Why matched: Airworthiness Directives; Grumman Model G-21A Aircraft

Technical illustration of an aircraft propeller assembly
Problem area Propeller

78-20-09

final rule

Airworthiness Directives; Gulfstream American Corporation (GAC) (Formerly Grumman American Aviation Corporation (GAAC) Model GA-7 Airplanes

Unsafe Condition: Excessive force required to move the fuel selector valve from one position to another position creates a hazard to the airplane.

Effective: Oct 9, 1978 Category: aircraft Compliance: within the next 25 hours' time in service after the effective date of this AD

Why matched: Airworthiness Directives; Gulfstream American Corporation (GAC) (Formerly Grumman American Aviation Corporation (GAAC) Model GA-7 Airplanes

78-13-04

final rule

Airworthiness Directives; Grumman American Aviation Corporation Model AA-1, AA-1A, AA-1B Airplanes

Unsafe Condition: Failure of the fuel measurement gauge float and associated components could lead to inaccurate fuel quantity indication, increasing the risk of unintentional fuel exhaustion in flight.

Effective: Jun 30, 1978 Category: aircraft Compliance: within next 200 hours in service after the effective date of this AD

Why matched: Airworthiness Directives; Grumman American Aviation Corporation Model AA-1, AA-1A, AA-1B Airplanes

77-13-01

final rule

Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION (GAAC) Model G-159 and G-1159 Airplanes

Unsafe Condition: Failure to prevent injury to an occupant of any jumpseat located between fuselage stations 119 and 169 on GAAC Models G-159 and G-1159 airplanes.

Effective: Apr 21, 1978 Category: aircraft Compliance: within 10 hours time in service after June 21, 1977, unless already accomplished

Why matched: Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION (GAAC) Model G-159 and G-1159 Airplanes

78-03-02

final rule

Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes

Unsafe Condition: Main landing gear failures due to the installation of part number 1159SC-L202-11 or 1159SC-L202-13 side brace/actuating cylinders.

Effective: Feb 3, 1978 Category: aircraft Compliance: before next flight after the effective date of this A.D. (February 3, 1978) for inspection; withi...

Why matched: Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes

Technical illustration of an aircraft landing gear and wheel assembly
Problem area Landing gear

77-08-03

final rule

Airworthiness Directives; Grumman American Aviation Corporation Model AA- 5A, and Model AA-5B, Airplanes

Unsafe Condition: Faulty altitude, airspeed, and vertical speed indications from the alternate static source valve Gerdes part number A-1390 due to contamination or lack of lubrication.

Effective: Apr 19, 1977 Category: aircraft Compliance: Prior to further flight under Instrument Flight Rules (IFR) or night flight, or within the next 2...

Why matched: Airworthiness Directives; Grumman American Aviation Corporation Model AA- 5A, and Model AA-5B, Airplanes

77-07-04

final rule

Airworthiness Directives; Grumman American Aviation Corporation Model AA-5 and AA-5A Airplanes

Unsafe Condition: Failure of the carburetor heat valve assembly due to cracks in the bend radius of Configuration A.

Effective: Apr 11, 1977 Category: aircraft Compliance: Within 10 hours of flight after the effective date of this AD

Why matched: Airworthiness Directives; Grumman American Aviation Corporation Model AA-5 and AA-5A Airplanes

76-18-12

final rule

Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes

Unsafe Condition: Loose terminal connections at the generator terminal boards and associated wiring connections could lead to arcing and failure of the generator system.

Effective: Sep 22, 1976 Category: aircraft Compliance: within the next 100 hours time in service after the effective date of this AD, unless already acc...

Why matched: Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes

Technical illustration of an aircraft electrical generator and wiring assembly
Problem area Electrical system

76-17-03

final rule

Airworthiness Directives; Grumman American Aviation Corporation Model AA1, AA1A, AA1B, AA5, AA-5A, AA-5B Airplanes

Unsafe Condition: Delaminations in bonded skins

Effective: Aug 30, 1976 Category: aircraft Compliance: within the next 25 flight hours' time in service after the effective date of this AD

Why matched: Airworthiness Directives; Grumman American Aviation Corporation Model AA1, AA1A, AA1B, AA5, AA-5A, AA-5B Airplanes

75-11-07

final rule

Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes

Unsafe Condition: unnecessarily high longitudinal stick forces due to an inadvertent excessive increase of nose down electric trim

Effective: Mar 22, 1976 Category: aircraft Compliance: within the next 1200 hours' time in service after May 22, 1975, or before October 31, 1976, which...

Why matched: Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes

74-17-05

final rule

Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes

Unsafe Condition: Failure of the ground spoilers to deactivate could result in unintended operation during flight, leading to potential loss of control.

Effective: Sep 1, 1975 Category: aircraft Compliance: within the next 10 hours' time in service after receipt of telegram dated July 17, 1974, unless a...

Why matched: Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes

75-15-03

final rule

Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes

Unsafe Condition: The stall barrier hydraulic in-line filters may become lodged in the stall barrier valves, causing the stick pusher to remain energized after actuation. Portions of the filters could also damage th...

Effective: Jul 18, 1975 Category: aircraft Compliance: within two hundred (200) flight hours, or three months, after the effective date of this AD, whic...

Why matched: Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes

75-06-08

final rule

Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes

Unsafe Condition: Possible loss of all DC and AC power due to battery switch ground leads not connected to separate studs at the center overhead panel.

Effective: Mar 18, 1975 Category: aircraft Compliance: within the next 150 hours' time in service after the effective date of this AD

Why matched: Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes

Technical illustration of an aircraft electrical generator and wiring assembly
Problem area Electrical system

73-14-07

final rule

Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION (GAAC) Models G-159 and G-1159 Airplanes

Unsafe Condition: Cracks in the fuselage aft section pressure dome assembly (Part No. 1159B21372 for G-1159, Part No. 159B10252 for G-159) could lead to structural failure.

Effective: Sep 30, 1974 Category: aircraft Compliance: Within 200 hours time in service after the effective date of this AD or 90 days, whichever is the...

Why matched: Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION (GAAC) Models G-159 and G-1159 Airplanes

74-12-04

final rule

Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes

Unsafe Condition: Operation of the pitch trim at a greater rate when an additional signal in the opposite direction is selected.

Effective: May 30, 1974 Category: aircraft Compliance: within the next 100 hours' time in service after the effective date of this AD, unless already ac...

Why matched: Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes

74-11-05

final rule

Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159

Unsafe Condition: The fire extinguisher circuits may fail due to insufficient redundancy in the electrical squib circuits, which could prevent activation of the fire extinguishing system during an emergency.

Effective: May 24, 1974 Category: aircraft Compliance: within the next 100 hours time in service after the effective date of this AD

Why matched: Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159

73-13-07

final rule

Airworthiness Directives; Grumman American Aviation Corporation Model AA-1, Model AA-1A, and Model AA-1B Airplanes

Unsafe Condition: The absence of placards indicating prohibited spins and information to prevent accidental spin entry could lead to unintended spin conditions and loss of control.

Effective: Jun 25, 1973 Category: aircraft Compliance: within the next 10 hours time in service or 30 calendar days, whichever comes first, after the ef...

Why matched: Airworthiness Directives; Grumman American Aviation Corporation Model AA-1, Model AA-1A, and Model AA-1B Airplanes

73-12-06

final rule

Airworthiness Directives; Grumman Model G-21 and G-21A Type Airplanes

Unsafe Condition: Failure of the elevator torque tube assembly P/N 12755, rudder torque tube assembly P/N 12756, L.H. and R.H. rudder pedal torque tube assemblies P/Ns 12757, 12758, and hinge support assembly P/N 12...

Effective: Jun 14, 1973 Category: aircraft Compliance: Within one month after the effective date of this A.D. unless already accomplished within the las...

Why matched: Airworthiness Directives; Grumman Model G-21 and G-21A Type Airplanes

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

72-11-03

final rule

Airworthiness Directives; Grumman Aircraft Model G-21 and G-21A Airplanes

Unsafe Condition: Engine fuel starvation due to fuel vaporization within fuel feed lines to the engines.

Effective: May 30, 1972 Category: aircraft Compliance: within the next 25 hours in service after the effective date of this AD

Why matched: Airworthiness Directives; Grumman Aircraft Model G-21 and G-21A Airplanes

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

53-24-01

final rule

Airworthiness Directives; Grumman Aircraft Model G-21A (Converted OA-9, JRF-1 through JRF-5 Under TC 654) Aircraft.

Unsafe Condition: Cracks extending radially from the outside edge of the ears to the inside of the hole into which the shoulder bushings are pressed in the stabilizer forward attachment fittings (P/N 12548 and P/N 1...

Effective: Aug 17, 1971 Category: aircraft Compliance: Within the next 50 hours' in service after the effective date of the revision and at intervals no...

Why matched: Airworthiness Directives; Grumman Aircraft Model G-21A (Converted OA-9, JRF-1 through JRF-5 Under TC 654) Aircraft.