U/A Canada PT6A-27

Service difficulty reports · 642

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duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE engine_model_key = 'PT6A27'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR 2026F00209Fuel Line · kinkedFWD FUEL FLOW FLUCTUATING DURING TAKE OFF ROLL, ABORTED TAKE OFF AND RETURNED TO GATE.Sep 16, 2026 · Dhav DHC6300 · Aircraft Fuel Distribution SystemSDR TIMA20251226004Electrical Box · contaminatedWHILE IN CRUISE FLIGHT THE CIRCUIT BREAKER PANEL STARTED SMOKING. PILOT REQUESTED APPROACH FOR PRIORITY IN HELENA, MT. PILOT SAID THE SMOKE SHORTLY STOPPED AFTER 5 SECONDS. PILOT HAD A NORMAL LANDING IN KHLN AND CONTACTED MAINTENANCE. MAINTENANCE SAID THAT DE-Dec 23, 2025 · N24BH · Beech 99 · Light System WiringSDR S9BA2025121500004Gasket · burnedFLT/CREW REPORTED - UPON SETTING CRUISE POWER APPROX. 3 MINUTES AFTER ON FLIGHT # BB - 186 SPB / SSB " FIRE WARNING R ENGINE WITH NO EVIDENCE OF FIRE. THIS A REPEAT ITEM DATED 12/04/2025 - UNIQE CONTROL # S9BA202500003. CHECKED & INSPECTED FUEL NOZZLE SYSTEMDec 12, 2025 · Dhav DHC6300 · Fuel Injector NozzleSDR S9BA202512080003Fire Detector · out of toleranceFLT/CREW REPORTED - UPON LEVELING OUT ON FLIGHT NR BB-136 SSP / SSB RT ENGINE FIRE WARNING LIGHT CAME ON WITH AURAL FIRE BELL WARNING CAME ON ALSO. POWER LEVER / TQ WAS REDUCE AND BOTH FIRE WARNING EXTINGUSHED, F/O VISUALLY CONFIRMED NO FIRE OR SMOKE WAS COMINDec 4, 2025 · Dhav DHC6300 · Fire DetectionSDR TIMA202309013006Transducer · unknownAFTER TAKEOFF WHILE CLIMBING THROUGH ROUGHLY 6000 FEET THE TORQUE AND ITT BEGAN TO SLOWLY FALL. AFTER PILOT NOTICED THE DECREASE HE REQUESTED TO GO BACK TOWARD THE AIRPORT AND BEGAN TO TROUBLE SHOOT. HE INCREASED AND DECREASED THE POWER LEVERS AND NOTICED VERYAug 3, 2023 · N95WA · Beech 99 · Engine Indicating SystemSDR KCQA20211207Brake Assy · leakingWHILE TAXING THE AIRCRAFT AFTER LANDING THE FLIGHT CREW NOTICED THERE WAS A LOSS OF BRAKING ON THE LH SIDE. FOUND LEAKING BRAKE FLUID OUT OF THE LH BRAKE LINE WHERE IT GOES TO THE CALIPER. TIGHTENED THE BRAKE LINE GOING INTO THE LH OUTBOARD CALIPER. BLED THNov 29, 2021 · N499CZ · Beech 99 · Landing Gear SystemSDR HKGA20201001001Nozzle · leakingNUMBER 2 ENGINE FLAMED OUT DURING CRUISE FLIGHT. AFTER LANDING MAINTENANCE FOUND THE NUMBER 8 FUEL NOZZLE LEAKING FROM THE TRANSFER TUBES, DUE TO AN INCORRECTLY INSTALLED LOCKING PLATE. MAINTENANCE THEN REMOVED THE LOCKING PLATE AND TRANSFER TUBES, REPLACED Oct 1, 2020 · N969AC · Dhav DHC6300 · Fuel Injector NozzleSDR CA190731030Switch · malfunctioned(CAN) DURING THE TAKE-OFF SLIDE, THE AUTO FEATHER SWITCH WOULD NOT ARM. THE PILOTS ABORTED THE TAKE-OFF AND RETURNED TO THE DOCK. THE SWITCH WAS REPLACED, AND THE SYSTEM TESTED SERVICEABLE. NOTE: THIS OPERATOR HAS HAD MULTIPLE AUTO FEATHERS SWITCHES FAIL, SEVJul 29, 2019 · Dhav DHC6300 · Propeller Feathering/ReversingSDR CA190725012Exhaust Duct · damaged(CAN) THIS ENGINE WAS SENT FOR REPAIR AFTER A POWER TURBINE BLADE DISTRESS WAS REPORTED. IT WAS REPORTED THAT .THE RH ENGINE FAILED WITH A LOUD NOISE .THE POWER TURBINE HAD BEEN SHATTERED .THE COMPRESSOR SECTION HAD BEEN SEIZED . NO FURTHER DETAILS OF THE EVJul 24, 2019 · Engine (Turbine/Turboprop)SDR 3RAA201903288049Pushrod · abnormalRIGHT ENGINE FCU PUSHROD (FCU CONTROL ROD) ADJUSTMENT TURNBUCKLE JAMNUTS LOOSENED AND THE TURNBUCKLE BACKED OUT LENGTHENING THE PUSHROD OVERALL LENGTH CAUSING LOW ENGINE POWER. BOTH JAMNUTS WERE FOUND SAFETIED ONLY TO THE TURNBUCKLE INSTEAD OF TO THE TURNBUCKMar 27, 2019 · N344CS · Dhav DHC6 · Power LeverSDR TIMA20170427007Engine · malfunctionedDURING CRUISE FLIGHT, THE RIGHT ENGINE DEVELOPED TORQUE FLUCTUATIONS. PILOT NOTED FLUCTUATING OIL PRESSURE READINGS AND AS OIL PRESSURE DROPPED TO ZERO. SHUTDOWN THE RIGHT ENGINE. PILOT MADE AN UNSCHEDULED LANDING. SUBSEQUENT INSPECTION REVEALED SIGNIFICANApr 27, 2017 · N950AA · Beech B99 · Engine (Turbine/Turboprop)SDR S9BA201612040004Duct Clamp · crackedON TAKEOFF, RIGHT T HANDLE FIRE WARNING.Dec 2, 2016 · Dhav DHC6 · Pneumatic Distribution SystemSDR GCNA20160725001Unknown · odorWHILE IN FLIGHT, CREW SMELLED SMOKE. THE CREW OPENED THE BUS TIE AND ISOLATED THE ELECTRICAL POWER. ACFT RETURNED TO BASE WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED ACFT AND FOUND 2 COMPONENTS BAD, BUT HAVE NOT DETERMINED YET IF THEY ARE RELATED. THE Jul 20, 2016 · N173GC · Dhav DHC6300 · Air Distribution SystemSDR 2016F00123Wire · chafedEXPERIENCED A MASTER WARNING & FIRE INDICATION ON THE NR 2 ENG, SHORTLY AFTER GETTING INTO SOME HEAVY PRECIPITATION. THE PILOT RESET THE MASTER WARNING, BOTH THE MASTER WARNING & ENG FIRE INDICATION WENT OUT. ALL OTHER ENG PARAMETERS WERE NORMAL. HE ASKED TMay 7, 2016 · N181CG · Beech E90 · Fire Protection System WiringSDR CA160317011Strut · damaged(CAN) DURING AN INSPECTION OF THE WING STRUT LOWER ATTACHMENT BOLTS, CORROSION WAS FOUND AT THE LOWER LUG ATTACHMENT POINT ON BOTH THE LT AND RT STRUTS. CORROSION WAS EVIDENT AROUND THE PHENOLIC WASHERS SO THE WASHERS WERE REMOVED FOR FURTHER INVESTIGATION WHIFeb 28, 2016 · Dhav DHC6200 · Wing, Attach FittingsSDR CA160229005Light · burned out(CAN) AIRCRAFT DEPARTED FROM AIRPORT AND CREW SMELLED AND NOTICED SMOKE COMING FROM ONE OF THE OVERHEAD COCKPIT PANELS. AIRCRAFT RETURNED TO AIRPORT AND LANDED SAFELY. MAINTENANCE INVESTIGATED AND REMOVED LIGHTING PANEL C6NF1253-19, WHICH HAD A HOLE BURNT THROFeb 26, 2016 · Dhav DHC6300 · Flight Compartment LightingSDR CA160307001Turbine Blades · fractured(CAN) AFTER TAKE-OFF THE CREW OBSERVED A FLUCTUATION IN THE NR 2 TORQUE INDICATION AND COULD HEAR THE CHANGES IN ENGINE POWER SETTINGS. ALL OTHER PARAMETERS REMAINED NORMAL AND IN THE GREEN. THE ENGINE POWER LEVER WAS PULLED BACK TO OPERATE AT A REDUCED POWER Feb 23, 2016 · Dhav DHC6300 · Turbine SectionSDR CA160212009Tube · corroded(CAN) UPON REMOVAL OF TUBE ASSEMBLY-LOWER RUDDER SUPPORT, (C6FS1828-1) FOR CORROSION REMOVAL AND RE CADMIUM PLATING, IT WAS NOTICED THAT THE TUBE ASSEMBLY WAS FILLED WITH WATER. THIS IS A WELDED SEALED UNIT, SO CONDENSTION BUILD UP IS OCCURING INSIDE THE STEFeb 11, 2016 · Dhav DHC6300 · Rudder Control SystemSDR CA160208004Exhaust Duct · damaged(CAN) ENGINE SENT FOR INVESTIGATION DUE TO THE CUSTOMER REPORTED A CRACKED AND DISTORTED EXHAUST DUCT. THE CUSTOMER ELECTED TO OVERHAUL THE ENGINE AT THIS TIME.Feb 8, 2016 · Dhav DHC6300 · Engine Collector/Tailpipe/NozzleSDR CA160301027Fcu · leaking(CAN) DURING ENGINE GROUND RUN, EGR, FUEL LEAK FROM FUEL PUMP DRAIN LESS THAN 20 CC MINUTE WAS FOUND. ALSO, LIGHT BLUE DYE WAS FOUND FROM FCU VENT HOLE. FCU AND FUEL PUMP HAVE BEEN REPLACED.Dec 27, 2015 · Fuel Control/Turbine EnginesSDR CA151214008Recorder · wrong part(CAN) CVR OUTPUT FROM KMA24H-70 AUDIO PANELS DOES NOT COMPLY WITH EITHER ARINC 557 OR ARINC 757 STANDARDS FOR VOICE RECORDER INPUT LEVELS. INTERFACING AN ARINC 557 CVR (50MV RMS TO 500MV RMS) THE SUMMED AUDIO OUTPUT TO THE CVR HAS THE FOLLOWING CHARACTERISTINov 27, 2015 · Dhav DHC6300 · Data Recorders (Flight/Maintenance)SDR CA151112003Wire · chafed(CAN) WIRES FROM DE-ICE BOOT TO CONNECTOR FOUND CHAFFED ON CONNECTOR MOUNTING BRACKET.Nov 10, 2015 · Dhav DHC6300 · Ice/Rain Protection System WiringSDR CA151023001Lever · broken(CAN) DURING TURN AT THE END OF THE RUNWAY, CREW HEARD A THUMP. MAINTENANCE FOUND STEERING LEVER P/N 71-159-9 BROKEN. STEERING LEVER REPLACED, AND STEERING TRAVEL LIMITS VERIFIED IAW DHC6 MM. FLEET INSPECTION ALREADY GENERATED BY SDR 20151019002 WILL BE MODIFOct 20, 2015 · Dhav DHC6300 · Landing Gear Steering SystemSDR S9BA2016F00006Fuel Control · failed(CGKBR) LEFT ENGINE NOT MAKING 50 PERCENT TORQUE ON LAST FLIGHT CHECKS. REPLACED FUEL PUMP AND FUEL CONTROL.Oct 19, 2015 · Dhav DHC6300 · Fuel Control/Turbine EnginesSDR CA151027007Stud · sheared(CAN) BRACKET C3W25-3 HOLDS TWO STUDS C3W65-3 THAT SECURE THE UPPER AND LOWER AILERON CABLE PULLEYS IN THE OUTBOARD LH WING OF THE TWIN OTTER. ONE OF THE PULLEYS WAS UNSERVICEABLE AND NEEDED TO BE REPLACED. THE NEW PULLEY WAS SET ON THE STUD AND THE ATTACHING Oct 19, 2015 · Dhav DHC6300 · Wing, Attach FittingsSDR CA151121001Adapter · cracked(CAN) AFT ADAPTER ON VERTICAL STABILIZER WAS FOUND CRACKED UPON EXAMINATION CALLED OUT IN PART B OF SERVICE BULLETIN 6/454. INSPECTION REQUIRED EVERY 60 MONTHS. NDE REPORT CP4-2312 ON FILE. NEW ADAPTER WAS INSTALLED ON VERTICAL STABILIZER PER VIKING SERVICE BUOct 19, 2015 · Dhav DHC6300 · Vertical Stabilizer Miscellaneous StructureSDR TIMA20151015006Gear Set · strippedDURING CRUISE CLIMB AT APPROX 9000 FT, THE LT ENG SUDDENLY LOST ALL POWER. ACFT RETURNED TO DEPARTURE LOCATION & LANDED WITHOUT INCIDENT. INSPECTION REVEALED THE LT ENG HIGH PRESS FUEL PUMP GEAR SET SPLINE WAS STRIPPED RESULTING IN FUEL PUMP FAILURE.Oct 15, 2015 · N24BH · Beech 99 · Engine Fuel PumpSDR CA151019002Bolt · broken(CAN) STEERING ACTUATOR LINK BOLT P/N 71-146-1 FOUND BROKEN DURING NOSE WHEEL STEERING CABLE INSPECTION. BOLT WAS STILL IN ITS HOLE AND FELL AS IT GOT TOUCHED FOR INSPECTION.Oct 15, 2015 · Dhav DHC6300 · Landing Gear Steering SystemSDR S9BA201510170014Transducer · malfunctionedLT ENGINE ONLY PRODUCING 40 LBS TORQUE ON TAKEOFF. TAKEOFF WAS ABORTED. TORQUE TRANSDUCER WAS REPLACED IAW AMM 79-31.Oct 12, 2015 · Dhav DHC6300 · Engine BMEP/Torque IndicatingSDR CA150723004Collar · broken(CAN) PILOT LANDED AND NOTICE THAT NOSE WHEEL STEERING WAS STIFF AND DIFFICULT TO CONTROL. ALSO TILLER POSITION DID NOT CORRESPOND WITH THE DIRECTION AIRCRAFT WOULD TAXI. MAINTENANCE PERSONNEL PERFORMED A VISUAL INSPECTION OF THE NLG ASSY AND FOUND THE STEERIJul 22, 2015 · Dhav DHC6300 · Landing Gear Steering SystemSDR S9BA201506180004Engine · power lossLT ENGINE LOST POWER ON TAKEOFF, AUDIBLE GRINDING NOISE AND EXCESSIVE VIBRATION CAN BE HEARD AND FELT COMING FROM ENGINE.Jun 18, 2015 · Dhav DHC6300 · Engine (Turbine/Turboprop)SDR TIMA20150618001Fitting · leakingDURING APPROACH FOR LANDING, THE RT ENG OIL PRESS BEGAN FLUCTUATING. OIL PRESS DROPPED TO 40 PSI WITH THROTTLE AT IDLE & THE OIL PRESS ANNUNCIATOR ILLUMINATED. RT ENG WAS SHUTDOWN AT 1.5 MILES ON FINAL. ACFT LANDED UNEVENTFULLY. SUBSEQUENT INSPECTION REVEAJun 18, 2015 · N950AA · Beech B99 · Turbine Engine Oil SystemSDR CA150612009Turnbuckle · cracked(CAN) DURING INSPECTION, FOUR TURNBUCKLES FROM A FLIGHT CONTROL TRIM SYSTEM WERE FOUND CRACKED. ONE MS21251B-5L, TWO MS21251B-2L, & ONE MS21251-B2L. CRACKS ARE LONGITUDINAL IN AREA OF LOCKING GROOVE. REMINDER THERE MAY STILL BE TURNBUCKLES IN SERVICE FROM TJun 12, 2015 · Dhav DHC6300 · Flight Control SystemSDR CA150604007Control System · malfunctioned(CAN) IT WAS REPORTED THAT THE LEFT TIRE BLEW OUT DURING LANDING, WHEN THE PILOT HAD TO APPLY THE BRAKE HARD, DUE TO THE LEFT ENGINE COULD NOT BE REVERSED. FURTHER INSPECTION REVEALED A BROKEN BOLT SECURING THE PUSH PULL CABLE & REVERSE RESET ARM INTERCONNECTMay 25, 2015 · Engine ControlsSDR CA150806008Blade · damaged(CAN) DURING SCHEDULED MAINTENANCE AFTER HAVING A FOD INCIDENT ON THE OTHER ENGINE, IT WAS DECIDED TO REMOVE THE PROTECTIVE SCREEN AND INSPECT THE COMPRESSOR FOR FOD DAMAGE. THE FIRST STAGE COMPRESSOR BLADES WERE FOUND WITH HEAVY IMPACT DAMAGE. THE SECOND AND May 15, 2015 · Dhav DHC6300 · Engine (Turbine/Turboprop)SDR CA150602005Engine · overtorqued(CAN) INFLIGHT SHUTDOWN DUE TO ENG OVER TORQUE UP TO 75%. ONGOING POWER SECTION & PROPELLER REPLACEMENT. THE ACFT TO BE FERRIED TO MAIN BASE FOR AUTO FEATHER SYS CHECK.May 9, 2015 · Dhav DHC6300 · Engine (Turbine/Turboprop)SDR CA150512002Autofeather Sys · failed(CAN) ENGINE NR 2 OVER TORQUED IN FLIGHT & NP WAS HIGH AT APPROX 92%. AS A PRECAUTION, ENG %2 WAS SHUTDOWN IN FLIGHT. THE OVER TORQUE WAS BEYOND 70 PSI FOR AT LEAST 1 MINUTE. NR 2 ENG WAS FEATHERED AT HIGH TORQUE VALUE. OVER TORQUE INSPECTIONS HAVE BEEN COMay 7, 2015 · Dhav DHC6300 · Propeller Feathering/ReversingSDR CA150421001Line · chafed(CAN) UPON INSPECTION OF THE ACFT IT WAS FOUND THAT THE LT SKI UP LINE ON THE LT MLG LEG WAS CHAFED THROUGH WHERE THE LEG EXIT THE FUSELAGE ON AFT FUSELAGE GEAR FAIRING. ONCE SKIS WERE SELECTED UP ALL PRESSURE WAS LOST WAS LOST AFTER IT RAN OUT OF HYDRAULIC FApr 18, 2015 · Dhav DHC6300 · Hydraulic System, MainSDR CA150806007Blades · cracked(CAN) PILOT REPORTED CLICKING NOISE COMING FROM ENGINE DURING SHUTDOWN AND TURNING OVER ENGINE.MAINTENANCE INVESTIGATED AND FOUND THERE WAS A NOTICEABLE CLICKING NOISE COMING FROM THE COMPRESSOR AREA WHEN THE COMPRESSOR WAS TURNED OVER BY HAND. MIRROR AND BOREApr 15, 2015 · Dhav DHC6300 · Turbine Engine Compressor SectionSDR CA150331010Lever · broken(CAN) THE FLIGHT CREW STATED THAT THE NOSE-WHEEL STEERING WAS HARD TO USE. WHEN THE AME INVESTIGATED HE DISCOVERED THAT THE LEVER ASSY WAS BROKEN ON THE NLG. NO RELATED DEFECTS WERE FOUND DURING THE INVESTIGATION. THE LEVER ASSY WAS REPLACED. THERE HAVE BEEMar 23, 2015 · Dhav DHC6300 · Landing Gear Steering SystemSDR CA150318016Pressure Switch · failed(CAN) AFTER ACFT HAD DOCKED, MAINTENANCE NOTICED AN OIL LEAK FROM THE NR 1 ENGINE COWLING. UPON INVESTIGATION IT WAS FOUND THAT THE SOURCE OF THE OIL LEAK WAS THE AUTOFEATHER TORQUE PRESSURE SWITCH. THE SWITCH WAS REPLACED AND A FUNCTION CHECK OF THE SYS CARRMar 14, 2015 · Dhav DHC6200 · Propeller Feathering/ReversingSDR CA150312008Rod · unserviceable(CAN) DURING ROUTINE MAINTENANCE ACTIVITIES THE AME NOTICED A CRACK IN THE AILERON SERVO ROD. THIS SAME CRACKED AREA ON THE ROD WAS ALSO SWOLLEN AND IT IS SUSPECTED THAT WATER ACCUMULATED INSIDE THE ROD AND FROZE. THE AILERON ROD WAS REPLACED WITH NO ADDITIOMar 12, 2015 · Dhav DHC6300 · Aileron Tab Control SystemSDR CA150303001Shock Absorber · debonded(CAN) DURING ACFT "EMMA" INSPECTION ON THE LANDING GEAR, THE ENGINEER FOUND THE LT REBOUND SHOCK ABSORBER ASSY DISBONDED FROM BOTH OF THE MOUNTING PLATES. THE REBOUND SHOCK ABSORBER WAS REPLACED BEFORE FURTHER FLIGHT. THE RT REBOUND SHOCK ABSORBER ASSY CHECKSFeb 16, 2015 · Dhav DHC6300 · Main Landing Gear Strut/Axle/TruckSDR JIKA2015021001Indicator · shortedIN CRUISE, VISUALLY OBSERVED A SMALL AMOUNT OF SMOKE IN THE COCKPIT & THEN THE LT OIL PRESS CB POPPED. AFTER THE CB POPPED THE SMOKE DISSIPATED. RETURNED & LANDED WITHOUT INCIDENT. TROUBLE SHOT THE LT OIL PRESS SYS & FOUND THE INDICATOR HAD SHORTED INTERNALFeb 10, 2015 · N4299A · Beech B99 · Engine Oil PressureSDR CA150122002Probe · failed(CAN) FIRE INDICATION ON LEFT ENGINE IN FLIGHT. FLIGHT CREW DID FIRE PROCEDURES. AIRCRAFT LAND WITH NO INCIDENT. AFTER INSPECTIONS, FOUND 300 DEGREE TEMPERATURE PROBE AT FAULT.Jan 15, 2015 · Dhav DHC6300 · Fire DetectionSDR CA141224006Cable · worn(CAN) DURING THE FIVE YEAR SCHEDULED FLIGHT CONTROL CABLE CHANGE, THE ELEVATOR CABLE IN THE FORWARD NOSE WAS FOUND TO BE INTERFERING ON THE STEC AUTOPILOT PULLEY CLUSTER. IT WAS HELD IN THIS INCORRECT POSITION BY A SCREW ON THE PULLEY GUARD CLUSTER. THE ELEVATDec 14, 2014 · Dhav DHC6300 · Autopilot SystemSDR CA141217004Engine · malfunctioned(CAN) DURING FINAL APPROACH, THE PILOT RETARDED POWER LEVER (PL) AND NOTICED LEFT HAND ENGINE POWER SUSPENDING AT NP 1900, TQ 750, NG 84%. RIGHT HAND ENGINE HAD NORMAL DECELERATION. BOTH THE FUEL CONTROL LEVERS AT HIGH IDLE. THE PILOT THEN FORWARDED PL AND BOTDec 1, 2014 · Engine (Turbine/Turboprop)SDR CA150422003Leg Assy · corroded(CAN) MAIN LANDING GEAR NDT`D BY AUTHORIZED FACILITY PER 5 YEAR INSPECTION REQUIREMENT. PITTING, CORROSION & BOLT FLANGE HOLES OUT OF LIMITS FOUND DURING INTERNAL INSPECTION. GEAR LEG BEYOND ECONOMICAL REPAIR. NEW GEAR LEG PURCHASED & INSTALLED.Nov 28, 2014 · Dhav DHC6200 · Nose/Tail Landing Gear Strut/AxleSDR CA141201002Adapter · cracked(CAN) WHILE COMPLETING SB 6/454, THE RT REAR STABILIZER ATTACHMENT ADAPTER FOUND CRACKED.(P/N C6FSM 1820-33). THE ATTACHMENT ADAPTOR WAS REPLACED WITH NO ADDITIONAL DEFECTS NOTED.Nov 25, 2014 · Dhav DHC6* · Vertical StabilizerSDR GCNA20141030001Engine · shutdownPILOT TOOKOFF, THEN REPORTED THAT AT 400 FEET AGL AFTER TAKEOFF, CREW HEARD WEIRD NOISES AND FELT PITCH CHANGES. RIGHT TORQUE INDICATED HIGH, WITH RT PROP RPM FLUCTUATING. RIGHT ENGINE WAS SHUTDOWN AND CREW RETURNED TO DEPARTURE WITH NO FURTHER INCIDENT.Oct 29, 2014 · N173GC · Dhav DHC6300 · Propeller Controlling System
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