18 results found (1246ms)
Airworthiness Directives; Austro Engine GmbH Engines
Unsafe Condition: Reports of piston failures due to dimensional deviations in the piston pin bore and in the piston diameter, which could cause piston failure, with consequent loss of oil, loss of engine power, and ...
Why matched: Airworthiness Directives; Austro Engine GmbH Engines
Airworthiness Directives; Austro Engine GmbH Engines
Unsafe Condition: Reports of engine failures and cracks on the pistons with part number E4A-72-400-000.
Why matched: Airworthiness Directives; Austro Engine GmbH Engines
Airworthiness Directives; Austro Engine GmbH Engines
Unsafe Condition: Reports of engine failures and the determination that certain batches of cap screws, installed on the inner main bearing positions of the engine, were manufactured at the lower end of the material ...
Why matched: Airworthiness Directives; Austro Engine GmbH Engines
Airworthiness Directives; Austro Engine GmbH Engines
Unsafe Condition: Piston failures due to dimensional deviations in the piston pin bore and piston diameter, which could lead to loss of oil, loss of engine power, and reduced control of the airplane.
Why matched: Airworthiness Directives; Austro Engine GmbH Engines
Airworthiness Directives; Austro Engine GmbH Engines
Unsafe Condition: Failure of the high pressure pump (HPP) driving gear due to a worn out assembly tool P/N AE300T012-1, and a stack up of tolerances between the cylinder head, cylinder head backside cover, camshaft ...
Why matched: Airworthiness Directives; Austro Engine GmbH Engines
Airworthiness Directives; Austro Engine GmbH Engines
Unsafe Condition: prevent failure of the engine lubrication system. The unsafe condition, if not addressed, could result in failure of the engine, in-flight shutdown, and loss of the airplane.
Why matched: Airworthiness Directives; Austro Engine GmbH Engines
Airworthiness Directives; Austro Engine GmbH Engines
Unsafe Condition: Failure of the high-pressure pump (HPP) driving gear due to a worn out assembly tool and a stack up of tolerances between the cylinder head, cylinder head cover, camshaft gear, and HPP gear.
Why matched: Airworthiness Directives; Austro Engine GmbH Engines
Airworthiness Directives; Austro Engine GmbH Engines
Unsafe Condition: An occurrence was reported of oil pressure loss on an E4 engine. Subsequent investigation determined that a certain batch of oil pumps was produced with a dimensional deviation on the inner gear/sh...
Why matched: Airworthiness Directives; Austro Engine GmbH Engines
Airworthiness Directives; Austro Engine GmbH Engines
Unsafe Condition: Occurrences were reported of oil pump blockage on E4-A and E4-B engines. Subsequent investigation determined that the blockage was caused by oil contamination with casting sand from the production ...
Why matched: Airworthiness Directives; Austro Engine GmbH Engines
Airworthiness Directives; Austro Engine GmbH Engines
Unsafe Condition: Occurrences were reported where, on some engines, turbocharger waste gate control rods were found broken and/or disconnected. Investigation results indicate that these failures were due to insuffic...
Why matched: Airworthiness Directives; Austro Engine GmbH Engines
Airworthiness Directives; Austro Engine GmbH Engines
Unsafe Condition: considerable wear of the timing chain on the affected engines
Why matched: Airworthiness Directives; Austro Engine GmbH Engines
Airworthiness Directives; Austro Engine GmbH Engines
Unsafe Condition: considerable wear of the timing chain and failure of fuel injectors on these engines
Why matched: Airworthiness Directives; Austro Engine GmbH Engines
Airworthiness Directives; Austro Engine GmbH Engines
Unsafe Condition: Considerable wear of the timing chain has been detected on some engines. This may have been caused by windmilling restarts, which are known to cause high stress to the timing chain. This condition,...
Why matched: Airworthiness Directives; Austro Engine GmbH Engines
Airworthiness Directives; Austro Engine GmbH Engines
Unsafe Condition: Occurrences have been reported where, on some engines, turbocharger waste gate control rods were found broken and/or disconnected. Investigation results indicate that these failures were due to ins...
Why matched: Airworthiness Directives; Austro Engine GmbH Engines
Airworthiness Directives; Austro Engine GmbH Engines
Unsafe Condition: Failure of the waste gate controller lever due to fracture, leading to damage to one or more engines, loss of thrust control, and damage to the airplane.
Why matched: Airworthiness Directives; Austro Engine GmbH Engines
Airworthiness Directives; Austro Engine GmbH Engines
Unsafe Condition: Fracture of the waste gate controller lever leading to power loss events.
Why matched: Airworthiness Directives; Austro Engine GmbH Engines
Airworthiness Directives; Austro Engine GmbH Model E4 Diesel Piston Engines
Unsafe Condition: Excessive oscillations in the fuel pressure supply can expose high-pressure (HP) fuel pumps to damaging pressure oscillations, potentially leading to engine power loss or in-flight shutdown.
Why matched: Airworthiness Directives; Austro Engine GmbH Model E4 Diesel Piston Engines
Airworthiness Directives; Austro Engine GmbH Model E4 Diesel Piston Engines
Unsafe Condition: Several power loss events have been reported, due to rail pressure control failures. Analyses have shown that high pressure (HP) fuel pumps failed as a result of pressure oscillations in the fuel s...
Why matched: Airworthiness Directives; Austro Engine GmbH Model E4 Diesel Piston Engines