21 results found (4367ms)
Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Engines
Unsafe Condition: Failure of the centrifugal compressor case.
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Engines
Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Engines
Unsafe Condition: a crack on the centrifugal compressor case mount pad weld area, caused by a non-conforming welding (lack of welding penetration)
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Engines
Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Engines
Unsafe Condition: The life limit of a compressor case having part number M601-154.61 is not listed in the airworthiness limitations section of the existing engine maintenance manual, which could result in uncontaine...
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Engines
Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Engines
Unsafe Condition: The manufacturer revised the airworthiness limitations section (ALS) of the existing engine maintenance manual (EMM) to introduce new and more restrictive airworthiness limitations and associated t...
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Engines
Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Engines
Unsafe Condition: multiple failures of the needle bearing installed in propeller governors having part numbers (P/Ns) P-W11-1 or P-W11-2, caused by self-generated debris from the needle bearing, which led to oil con...
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Engines
Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Unsafe Condition: The life limits for certain compressor cases and compressor drums were not published in the applicable airworthiness limitations section (ALS) of the engine maintenance manual (EMM) for certain GEA...
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Unsafe Condition: The manufacturer revising the airworthiness limitations section (ALS) of the existing engine maintenance manual (EMM) to introduce updated coefficients for the calculation of the cyclic life and sa...
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Unsafe Condition: cracks in dilution tube weld areas of the combustion chamber outer liner
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Unsafe Condition: The life limit for the propeller shaft P/N M601-6081.6 is not published in the airworthiness limitations section (ALS) of the applicable GEAC M601 Engine Shop Manual. Additionally, some data, which...
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Unsafe Condition: The unsafe condition, if not addressed, could result in failure of the centrifugal compressor case, engine separation, and loss of the airplane.
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Unsafe Condition: The engine push-pull control settings may be inadvertently changed after certain maintenance, repair, or modification action, which could lead to reduced control or loss of control of the aeroplane.
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Unsafe Condition: engine gas generator speed (Ng) rollbacks below idle on GEAC H75-200, H80-100, and H80-200 model turboprop engines with a fuel control unit (FCU), part number (P/N) LUN 6590.07-8, installed.
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Unsafe Condition: Errors in the Airworthiness Limitation Section (ALS) of the Engine Maintenance Manual (EMM), including errors in the formula to determine the equivalent flight cycles of critical parts and errors w...
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Unsafe Condition: Several occurrences of engine power fluctuations have been reported during ground tests on engines equipped with an affected part. The investigation results determined that one or more rubber cuff ...
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Airworthiness Directives; GE Aviation Czech s.r.o. Turboprop Engines (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.)
Unsafe Condition: The possibility of a power turbine (PT) rotor overspeed and the uncontained release of PT blades.
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. Turboprop Engines (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.)
Airworthiness Directives; GE Aviation Czech s.r.o. Turboprop Engines
Unsafe Condition: Damage to certain engine power turbine (PT) disks and a review by the manufacturer that determined that certain engine PT rotors have less overspeed margin than originally declared during product c...
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. Turboprop Engines
Airworthiness Directives; GE Aviation Czech s.r.o. Turboprop Engines
Unsafe Condition: A fatal accident of an L 410 UVP-E20 aeroplane has been reported. Preliminary investigation determined that there was an annunciation of Beta mode on right hand engine, that the propeller went inad...
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. Turboprop Engines
Airworthiness Directives; GE Aviation Czech s.r.o. Turboprop Engines
Unsafe Condition: PT rotors with disks, P/N M601-3220.6 or P/N M601-3220.7, have less overspeed margin than originally declared during product certification.
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. Turboprop Engines
Airworthiness Directives; GE Aviation Czech s.r.o. Turboprop Engines
Unsafe Condition: Damage to the engine power turbine (PT) disk in the area of the balance weights, or non-conforming geometry of the slot radius due to incorrect machining, could lead to PT disk failure, releasing h...
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. Turboprop Engines
Airworthiness Directives; GE Aviation Czech s.r.o. Turboprop Engines
Unsafe Condition: Certain gas generator turbine (GGT) blades, part number M601-3372.6 or M601-3372.51, are susceptible to blade failure due to reduced fatigue life.
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. Turboprop Engines
Airworthiness Directives; GE Aviation Czech s.r.o. Turboprop Engines
Unsafe Condition: wear or cracking, and subsequent misalignment of the quill shaft of the engine and the power turbine (PT) shaft, may lead to rupture of the quill shaft, overspeed of the PT, and uncontained engine ...
Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. Turboprop Engines