Unsafe Condition: Cracks on the upper hex portion of pressure relief valve (PRV) adaptors could lead to uncontrolled leakage of liquefied petroleum gas (LPG), resulting in an in-flight fire and consequent emergency ...
Effective: Oct 27, 2025Category: aircraftCompliance: Within 50 flight hours
Unsafe Condition: fatigue cracking of the weld on Stratus double burner hangers, caused mainly during ground transportation with the burner erect, combined with an overload event
Effective: Aug 25, 2022Category: aircraftCompliance: Within 50 flight hours
Unsafe Condition: The displayed fuel quantity can have an error as much as four gallons/fuel tank with the display indicating four gallons with an empty tank. In the context of this event, the end level effect is th...
Effective: Mar 21, 2022Category: aircraftCompliance: Before further flight
Why matched: Airworthiness Directives; Various Airplanes
Unsafe Condition: Certain Cameron Hot Air Balloon fuel cylinders are supplied with liquid offtakes that consist of a quarter turn ball valve mounted on a flanged adaptor ([part number] P/N CB437, see [CAA AD] figure...
Effective: Jan 18, 2022Category: aircraftCompliance: Before further flight
Unsafe Condition: Corrosion on the elevator and aileron balance tubes, which may be hidden by rubber boots, could result in failure of the aileron and elevator balance tubes, jamming of the aileron and/or elevator b...
Effective: Jan 22, 2021Category: aircraftCompliance: Within 50 flight hours
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, 2005Category: propellerCompliance: Before further flight
Why matched: Airworthiness Directives; Goodrich De-icing and Specialty Systems "FASTprop" Propeller De-icers
Airworthiness Directives; GARMIN International Inc. GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S Transponders
Unsafe Condition: The GTX 33/33D/330/330D Mode S transponders may detect the S1 (suppression) interrogating pulse below the minimum trigger level (MTL) and, in some circumstances, not reply. This could lead to inacc...
Effective: Feb 23, 2005Category: aircraftCompliance: Within 12 months of the effective date (February 23, 2005).
Why matched: Airworthiness Directives; GARMIN International Inc. GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S Transponders
Unsafe Condition: Fuel leaking from the auxiliary fuel transfer pumps installed below the auxiliary fuel tank, which could result in fire or explosion in the cargo/passenger compartment.
Effective: Nov 17, 2003Category: aircraftCompliance: Within the next 10 hours time-in-service after November 17, 2003 (initial inspection); repetitive...
Unsafe Condition: Inadequate retention of the existing left-hand (LH) oil scavenge pump rotor allows the rotor to machine its way through the LH end plate. Axial migration of the right-hand (RH) scavenge pump rotor ...
Effective: Jan 17, 2003Category: aircraftCompliance: Before further flight
Airworthiness Directives; Honeywell KC 225 Automatic Flight Control Systems
Unsafe Condition: The Honeywell KC 225 automatic flight control system (AFCS) is disconnecting without warning during flight in a gross mistrim configuration, which could result in an undesirable autotrim command th...
Effective: Jun 15, 2001Category: aircraftCompliance: Before further flight
Why matched: Airworthiness Directives; Honeywell KC 225 Automatic Flight Control Systems
Unsafe Condition: Cracking of the main landing gear lower side brace at the upper bolt lug where the upper and lower side braces connect, which could result in failure of the main landing gear lower side brace.
Effective: Jun 12, 2001Category: aircraftCompliance: Within the next 50 hours time-in-service after June 12, 2001, unless already performed.
Airworthiness Directives; Aerostar Aircraft Corporation PA-60-600 and PA-60-700 Series Airplanes
Unsafe Condition: Fatigue cracking of the wing upper spar cap, which could result in structural failure of the wing spar to the point of failure with consequent loss of control of the airplane.
Effective: Jan 8, 1999Category: aircraftCompliance: Within 100 hours time-in-service after the effective date, and thereafter at intervals not to exc...
Why matched: Airworthiness Directives; Aerostar Aircraft Corporation PA-60-600 and PA-60-700 Series Airplanes
Airworthiness Directives; Aerostar Aircraft Corporation PA-60-600 and PA-60-700 Series Airplanes
Unsafe Condition: Fatigue cracking of the wing upper spar cap above the main landing gear fitting in the top of the wheel well, which could result in structural failure of the wing spar to the point of failure with ...
Effective: Jan 8, 1999Category: aircraftCompliance: Within the next 100 hours time-in-service after the effective date of this AD, unless already acc...
Why matched: Airworthiness Directives; Aerostar Aircraft Corporation PA-60-600 and PA-60-700 Series Airplanes
Unsafe Condition: Operating in severe icing conditions without clear procedures and limitations may lead to adverse flight control behavior or aircraft performance degradation.
Effective: Mar 13, 1998Category: aircraftCompliance: Before further flight
Unsafe Condition: Flight in freezing rain, freezing drizzle, or mixed icing conditions may result in ice build-up on protected surfaces exceeding the capability of the ice protection system, or may result in ice for...
Effective: Mar 13, 1998Category: aircraftCompliance: Within 30 days after the effective date of this AD
Unsafe Condition: Cracked fuselage horizontal stabilizer attach fittings could result in the fuselage horizontal stabilizer separating from the airplane while in flight with subsequent loss of control of the airplane.
Effective: Nov 30, 1995Category: aircraftCompliance: Initially within the next 25 hours time-in-service (TIS) after the effective date or within the n...