Diamond Aircraft Ind DA 42 NG

Service difficulty reports · 75

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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 aircraft_model_key = 'DA42NG'
  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 2026FA0000575Wire Harness · chafedDUAL ECU FAILURE ON LH ENGINE. EMERGENCY LANDING INTO KBMI. THE DOWNLOAD SHOWED, "PRESSURE CONTROL VALVE POWER FAILURE." WHEN GAINING ACCESS TO THE PRESSURE CONTROL VALVE, THE ENGINE CONTROL HARNESS WAS FOUND TO BE CHAFFING ON THE CYLINDER HEAD AND THE FUELJul 9, 2026 · N385L · Diamon DA42NG · Engine Fuel System WiringSDR 2026FA0000518Fire Detector · faultedRIGHT ENGINE FIRE ANNUNCIATION ILLUMINATED ON DESCENT INTO CMH. ANNUNCIATION ILLUMINATED AND DISAPPEARED CONTINUOUSLY. SEEMED TO SUBSIDE SOMEWHAT AT STRAIGHT AND LEVEL. TEMPS WERE NORMAL. AIRCRAFT TOOK OFF OUT OF SDF AND LANDED IN CMH.May 12, 2026 · N392L · Diamon DA42NG · Fire DetectionSDR N3XR202603200001Governor · overspeedDURING THE CLIMB, THE LEFT ENGINE EXPERIENCED AN RPM OVERSPEED. THE GOVERNOR WAS REPLACED.Mar 12, 2026 · N302ER · Diamon DA42NG · Propeller GovernorSDR N3XR2026030201Governor · inoperativeLT ENG CONSTANT OVERSPEED EVEN WITH THROTTLE PULLED BACK,Feb 25, 2026 · N309ER · Diamon DA42NG · Propeller GovernorSDR N3XR202602260001Pulley · failedDURING MAINTENANCE, THE CRANK PULLEY, WAS DISCOVERED FAILED. THE CENTER DISC HAD BECOME SEPARATED FROM THE OUTER PULLEY RING. THE PART WAS REPLACED WITH A NEW UNIT.Feb 25, 2026 · N302ER · Diamon DA42NG · Powerplant SystemSDR 2026FA0000071Tire · deflatedWHILE CONDUCTING A CHECK RIDE FOR A MULTI ENGINE ADD ON TO A COMMERCIAL RATING IN A DA-42, N42MV, WE EXPERIENCED A TIRE MALFUNCTION ON THE LANDING AT KBQK. INITIALLY CONCERNED HAD STRUCK FOD ON THE RUNWAY BUT AS WE CLEARED THE RUNWAY AND PARKED THE AIRCRAFT,Jan 31, 2026 · N42MV · Diamon DA42NG · TireSDR 2026FA0000427Attach Fitting · debondedON ROLL OUT AFTER LANDING THE LH LANDING GEAR RETRACTED UNCOMMANDED CAUSING A PROPELLER STRIKE AND LH WING TIP TO TOUCH GROUND. UPON INVESTIGATION IT WAS DISCOVERED THAT THE LANDING GEAR SUPPORT BOX THAT BONDS TO THE SPAR HAD COME DETACHED FROM THE SPAR DUE TODec 12, 2025 · N408SA · Diamon DA42NG · Fuselage, Landing Gear Attach FittingsSDR 2025FA0000584Bulb · failedAIRCRAFT WAS COMING FOR LANDING ON APPROACH, GEAR WAS EXTENDED BUT NLG DOWN & LOCK INDICATION WAS NOT INDICATING. PILOTS WENT THROUGH THEIR TROUBLESHOOTING CHKLIST, NLG STILL NOT INDICATING. PILOTS CONFIRMED NLG DOWN USING COWLING MIRROR & TOWER FLYBY, PILOT PAug 21, 2025 · N694ER · Diamon DA42NG · Landing Gear Position and WarningSDR 2025FA0000585Fuel Tank · crackedDURING ACFT ANNUAL INSPECTION, WINGS ARE REMOVED AS PART OF 1000 HR ITEMS CHECK. WING FUEL TANKS ARE REMOVED FOR INSPECTION AS PART OF 1000 HR CHECK. EACH WING HAS (3) FUEL TANKS INLINE CONNECTED BY HOSE SECTIONS, FOUND MULTIPLE INBD TANKS LEAKING SMALL AMOUNTAug 11, 2025 · N793ER · Diamon DA42NG · Fuel StorageSDR N3XR20240903004Piston · crackedDURING THE BORESCOPE INSPECTION REQUIRED BY DIAMOND MSB-E4-043, THE #2 PISTON IN THE LEFT ENGINE WAS FOUND CRACKED.Aug 30, 2024 · N311ER · Diamon DA42NG · Reciprocating Engine Power SectionSDR N3XR20240903003Piston · crackedDURING THE BORESCOPE INSPECTION REQUIRED BY DIAMOND MSB-E4-043, THE #4 PISTON IN THE RIGHT ENGINE WAS FOUND CRACKED.Aug 30, 2024 · N304ER · Diamon DA42NG · Reciprocating Engine Power SectionSDR N3XR20240903002Piston · crackedDURING THE BORESCOPE INSPECTION REQUIRED BY DIAMOND MSB-E4-043, THE #4 PISTON IN THE RIGHT ENGINE WAS FOUND CRACKED.Aug 30, 2024 · N304ER · Diamon DA42NG · Reciprocating Engine Power SectionSDR N3XR202409030001Piston · crackedDURING THE BORESCOPE INSPECTION REQUIRED BY DIAMOND MSB-E4-043/0 THE #3 PISTON WAS FOUND CRACKED.Aug 30, 2024 · N304ER · Diamon DA42NG · Reciprocating Engine Power SectionSDR N3XR202408290316Piston · crackedWHILE PERFORMING THE INSPECTION OF DIAMOND MSB-E4-043 ENGINE (BORESCOPE INSPECTION) ON THE RIGHT ENGINE, THE PISTON IN CYLINDER #1 WAS FOUND CRACKED ON THE CROWN.Aug 29, 2024 · N316ER · Diamon DA42NG · Reciprocating Engine Power SectionSDR 2024FA0000322Bracket · damagedPILOTS REPORTED: "RIGHT RUDDER PEDAL ON PILOT SIDE MOVES HALFWAY THEN AN AUDIBLE THUNK SOUND AND PEDAL FEELS LIKE IT GIVES OUT AND GOES ALL THE WAY TO THE FLOOR. MECHANIC INSPECTED RUDDER SYSTEM AND FOUND THE "T-YOKE" UNDER THE PILOT & CO-PILOT SEAT IN THE LOApr 15, 2024 · N242MQ · Diamon DA42NG · Rudder Control SystemSDR 2024FA0000183Ecu · failedLEFT ENGINE HAS CONTINUED TO HAVE ECU FAILS RELATED TO "PROP SELF TEST FAIL". THE PROP GOV HAS BEEN REPLACED 10 TIMES IN 366HRS. EACH TIME IT IS REPLACED IT FIXES THE ISSUE FOR SEVERAL DAYS BUT THEN COMES BACK AGAIN. THE ENGINE HARNESS HAS BEEN REPLACED, THE EFeb 21, 2024 · N542BL · Diamon DA42NG · Ignition SystemSDR 2024FA0000140Bolt · shearedSIGNIFICANT OIL LOSS AND LOSS OF OIL PRESSURE ON TAKEOFF. FADEC SYSTEM AUTOMATICALLY SHUT DOWN ENGINE DUE TO OIL PRESSURE LOSS. PILOT LANDED SAFELY ON RUNWAY AND TAXIED OFF OF ACTIVE RUNWAY WITHOUT ISSUES. UPON VISUAL INSPECTION, FOUND THERE TO BE A 2 IN DIAMEFeb 8, 2024 · N517BL · Diamon DA42NG · Reciprocating Engine Power SectionSDR 2023FA0000740Unknown · unknownFOUND FUEL PUDDLING IN L/H WING IB BULKHEAD REAR OF AFT SPAR. REMOVED WING, REMOVED FUEL TANK, FOUND SEVERAL CRACKS IN WELDS ON THE FUEL TANK IB SIDE. REPAIRED FUEL TANK AND LEAK TESTED. LEAK TEST GOOD. REINSTALLED FUEL TANK AND WING.Nov 7, 2023 · N629SA · Diamon DA42NG · Fuel StorageSDR 2023FA0000595Unknown · unknownDURING FINAL APPROACH, SIMULATED SINGLE ENGINE APPROACH, SIMULATED OPERATIVE ENGINE LOST FULL POWER WITH ECU A AND B FAIL. APPROX. 10 SECONDS LATER THE ENGINE SELF RESTARTED WITH CONSISTENT ECU A AND B FAIL, THOUGH PRODUCING POWER. DETERMINED FUEL LOAD TO BE TOct 12, 2023 · N629SA · Diamon DA42NG · Engine (Reciprocating)SDR 2023FA0000433Engine · mismanufacturedENGINE ROUGHNESS ON TAKE OFF, RPM FLUCTUATIONS, BLACK SMOKE COMING FROM EXHAUST, VIBRATIONS, AND LOUD BACKFIRING.Aug 18, 2023 · N421MQ · Diamon DA42NG · Turbine Engine Combustion SectionSDR 2023FA0000312Crankcase · leakingPILOTS REPORTED A MASSIVE ENGINE OIL LEAK FROM LH ENGINE DURING FLIGHT. THEY MADE A PRECAUTIONARY LANDING AND CALLED FOR MAINTENANCE. A TECH FOUND THE HEAD OF A SHEARED 12-POINT BOLT INSIDE THE COWLING. FURTHER INVESTIGATION FOUND THAT THE BOLT HEAD HAD COME FJun 13, 2023 · N542BL · Diamon DA42NG · Reciprocating Engine Cylinder SectionSDR 2022FA0000547Engine · failedON SIMULATED SINGLE ENGINE APPROACH, (R/H ENGINE PULLED TO IDLE, L/H ENGINE FULLY OPERATIONAL) L/H ENGINE STOPPED TURNING. AIRCRAFT CONTINUED TO THE GROUND AND LANDED WITH ONLY THE R/H ENGINE OPERATING. PULLED FADEC DATA AND SENT TO CONTINENTAL FOR EXAMINATIONAug 24, 2022 · N629SA · Diamon DA42NG · Powerplant SystemSDR 2022FA0000012None · noneECU B FAIL WHEN THE THROTTLE WAS BROUGHT TO FULL POWER. AFTER READING ECU CODES IT WAS DETERMINED TO BE A WASTE GATE ACTUATOR. NO POWER LOSS. NO RPM LOSS. NO CHANGE IN ENGINE PERFORMANCE. NO LOSS IN ENGINE AUTHORITY. WASTE GATE ACTUATOR CHANGED, NO MORE ANNUNJan 11, 2022 · N422GL · Diamon DA42NG · Pneumatic SystemSDR N3XR 10_7_21Governor · inoperativeLT. GOVERNOR FAILED TO MOVE IN FLIGHT. USING THE MT GOVERNOR TEST TOOL, THE GOVERNOR WAS OPERATED, THE CONNECTION CLEANED AND THE OPERATION WAS NORMAL.Oct 7, 2021 · N308ER · Diamon DA42NG · Propeller GovernorSDR N3XR 10_7_21_02Governor · inoperativeON TAKE-OFF RPM REMAINED AT 2400 AND ONLY CAME DOWN WHEN POWER WAS SET TO 30%. THE GOVERNOR WAS CHANGED...THIS OPERATOR HAS HAD REPEATED SIMILAR EVENTSOct 6, 2021 · N309ER · Diamon DA42NG · Propeller GovernorSDR N3XR 10_7_21_03Governor · inoperativeDURING PRE-TAKEOFF RUN-UP THE RIGHT ENGINE GOVERNOR FAILED TO PRODUCE THE CORRECT RPM. THE GOVERNOR WAS REPLACEDSep 21, 2021 · N307ER · Diamon DA42NG · Propeller GovernorSDR N3XR202106030001Belt · separatedDURING THE LANDING APPROACH, THE SERPENTINE BELT (P/N-E4A-00-740-000) ON THE REAR OF THE INSTALLATION FAILED. THE FLIGHT CREW NOTICED THE ALTERNATOR WAS INOP AND THE COOLANT TEMPERATURE RISING RAPIDLY. A PRECAUTIONARY LANDING WAS MADE.May 24, 2021 · N304ER · Diamon DA42NG · DC Generator-AlternatorSDR 2021FA0000099Valve · failedPROPELLER UNFEATHER VALVE FAILURE. ENGINE SHUT DOWN DURING NORMAL TRAINING. ENGINE WOULD NOT RESTART BECAUSE PROPELLER WOULD NOT UNFEATHER. BROUGHT AIRCRAFT BACK TO HOME BASE SINGLE ENGINE LANDING.Apr 9, 2021 · N42LA · Diamon DA42NG · Propeller Feathering/ReversingSDR N3XR202104150006Gearbox · wornDURING AN ANNUAL INSPECTION, THE MAGNETIC DRAIN PLUG ON THE GEARBOX HAD LARGE ACCUMULATIONS OF METAL PARTICLES ADHERING TO IT. THE GEARBOX WAS REPLACED.Apr 7, 2021 · N303ER · Diamon DA42NG · Engine (Reciprocating)SDR N3XR202104050004Damper · wornDURING AN ANNUAL INSPECTION, THE LEFT TORSION VIBRATION DAMPER (TVD) P/N-E4B-73-000-000-KIT, WAS INSPECTED FOR RIVET WEAR IT WAS BELOW LIMITS. THE ASSEMBLY WAS REPLACED WITH A NEW UNIT.Apr 5, 2021 · N315ER · Diamon DA42NG · Engine (Reciprocating)SDR N3XR202104050003Damper · wornDURING AN ANNUAL INSPECTION, THE LEFT TORSION VIBRATION DAMPER (TVD) P/N-E4B-73-000-000-KIT, WAS INSPECTED FOR RIVET WEAR IT WAS BELOW LIMITS. THE ASSEMBLY WAS REPLACED WITH A NEW UNIT.Apr 5, 2021 · N309ER · Diamon DA42NG · Engine (Reciprocating)SDR N3XR202104050002Damper · wornDURING AN ANNUAL INSPECTION, THE LEFT TORSION VIBRATION DAMPER (TVD) P/N-E4B-73-000-000-KIT, WAS INSPECTED FOR RIVET WEAR IT WAS BELOW LIMITS. THE ASSEMBLY WAS REPLACED WITH A NEW UNIT.Apr 5, 2021 · N309ER · Diamon DA42NG · Engine (Reciprocating)SDR N3XR202106170001Dampener · wornDURING AN ANNUAL INSPECTION, THE TORSION VIBRATION DAMPER (P/N-E4B-73-000-000-KIT) WAS INSPECTED PER THE MANUFACTURER'S INSTRUCTIONS. THE RIVETS WERE BELOW THE PUBLISHED DIMENSION. THESE ARE INSPECTED EVERY 600 HOURS AND OFTEN FAIL.Mar 11, 2021 · N312ER · Diamon DA42NG · Reciprocating Engine Front SectionSDR N3XR20200827001Gearbox · contaminatedDURING A ROUTINE INSPECTION, THE GEAR BOX MAGNETIC PLUG CONTAINED LARGE PIECES OF METAL. THE GEAR BOX WAS REPLACED WITH A NEW UNIT.Aug 19, 2020 · N315ER · Diamon DA42NG · Engine/Transmission CouplingSDR N3XR202008190002Controller · inoperativeTHE LEFT ENGINE ECU A&B INDICATED "BOOST PRESSURE RANGE WITH ERROR". INSPECTION REVEALED THAT THE WASTE GATE CONTROLLER WAS DEFECTIVE.Aug 19, 2020 · N306ER · Diamon DA42NG · Exhaust TurbochargerSDR N3XR20200819004Controller · inoperativeDURING THE TAKE OFF ROLL THE ECU INDICATED A "BOOST PRESSURE SYSTEM FAILURE". INSPECTION REVEALED A FAILED WASTE GOATE CONTROLLER AND IT WAS REPLACED.Aug 18, 2020 · N303ER · Diamon DA42NG · Exhaust TurbochargerSDR N3XR20200819003Controller · inoperativeDURING THE TAKE OFF ROLL THE ECU INDICATED A "BOOST PRESSURE SYSTEM FAILURE". INSPECTION REVEALED A FAILED WASTE GOATE CONTROLLER AND IT WAS REPLACED.Aug 18, 2020 · N303ER · Diamon DA42NG · Exhaust TurbochargerSDR N3XR202008110001Pump · low pressureDURING CRUISE FLIGHT THE LEFT ENGINE EXPERIENCED A POWER LOSS. THE CREW LANDED AT THE NEAREST AIRPORT. IT WAS DISCOVERED THAT THE HIGH PRESSURE FUEL PUMP HAD FAILED. A NEW PUMP WAS INSTALLED.Aug 11, 2020 · N309ER · Diamon DA42NG · Engine Fuel PumpSDR N3XR20200827002Gearbox · making metalDURING A ROUTINE INSPECTION, SEVERAL LARGE PARTICLES WERE FOUND ON THE GEARBOX MAGNETIC DRAIN PLUG. THE GEARBOX WAS REPLACED WITH A NEW UNIT.Aug 4, 2020 · N304ER · Diamon DA42NG · Engine/Transmission CouplingSDR N3XR20200727002Pump · low pressureDURING RUN UP THE RIGHT ENGINE WOULD NOT ADVANCE PAST 80% AND MX NOTED ECU CODE. REPLACED THE RT. HIGH PRESSURE PUMP.Jul 25, 2020 · N309ER · Diamon DA42NG · Engine Fuel PumpSDR N3XR20200727001Pump · low pressureDURING FLIGHT THE CREW OBSERVED AN ECU INDICATION AND THE POWER WOULD NOT ADVANCE BEYOND 80%. THE LT. HIGH PRESSURE FUEL PUMP WAS CHANGE AND RESOLVED THE PROBLEM.Jul 24, 2020 · N308ER · Diamon DA42NG · Engine Fuel PumpSDR N3XR202008190001Controller · inoperativeDURING PRE-TAKE RUN UP, THE LT ENGINE ECU INDICATED A TURBO BOOST PROBLEM. THE WASTE GATE CONTROLLER WAS REPLACED AND THE ISSUE WAS RESOLVED.Jun 26, 2020 · N303ER · Diamon DA42NG · Exhaust TurbochargerSDR N3XR20200827003Gearbox · making metalDURINE A ROUTINE INSPECTION, LARGE PIECES OF METAL WERE FOUND ON THE ENGINE GEAR BOX MAGNETIC PLUG. THE GEARBOX WAS REPLACED WITH A NEW UNIT.Jun 19, 2020 · N309ER · Diamon DA42NG · Engine/Transmission CouplingSDR N3XR202001280001Governor · bindingIP STATED THAT THEY ATTEMPTED TO ADJUST THE THROTTLE MULTIPLE TIMES FOLLOWING TAKEOFF WITH LITTLE TO NO RESPONSE IN PROP SPEED. INSPECTED PROPELLER GOVERNOR CONDITION AND FOUND TO BE MECHANICALLY JAMMED AT MAX SETTING. INSTALLED OVERHAULED GOVERNOR P/N: P-877Jan 28, 2020 · N311ER · Diamon DA42NG · Propeller GovernorSDR N3XR20201211001Governor · jammedGROUND RAN THE AIRCRAFT AND NOTED THE LEFT ENGINE PROP GOVERNOR WAS FAILING TO CYCLE. THE ENGINE DATA WAS READ, AND THE INFORMATION SHOW THE GOVERNOR WAS JAMMED. THE PROPELLER GOVERNOR P/N: P-877-16, S/N: 15G365-H/G WAS REPLACED WITH GOVERNOR P/N: P-877-16, S/Dec 9, 2019 · N307ER · Diamon DA42NG · Propeller GovernorSDR N3XR201912110001Governor · jammedREAD AIRCRAFT DATA CARD. VERIFIED ISSUE WITH THE LEFT ENGINE RPM EXCEEDING 2300. RAN THE LEFT ENGINE AND ATTEMPTED ECU SELF TEST. LEFT ENGINE FAILED SELF TEST. PROPELLER GOVERNOR WOULD NOT CYCLE. REPLACED THE LEFT ENGINE PROPELLER GOVERNOR, GASKET, AND ATTACHINov 13, 2019 · N307ER · Diamon DA42NG · Propeller GovernorSDR NX4R201909200049Fuel Tank · crackedDURING A ROUTINE 2,000 HOUR INSPECTION, THE FUEL TANKS ARE REMOVED. THE LEFT INBOARD TANK (P/N-D64-2817-21-00 HAD EVIDENCE OF A LEAK. A SMALL CRACK WAS FOUND ALONG THE MARGIN OF ONE OF THE SPOT WELDS ON THE TANK SURFACE. THIS HAS HAPPENED ON THREE OTHER FLEET Sep 17, 2019 · N308ER · Diamon DA42NG · Fuel StorageSDR 2019FA0000219Door Latch · missing"DURING LEVEL OFF FROM CLIMB TO 7500', PILOT WAS IN THE PROCESS OF LEVELING OFF WHEN THE "DOOR OPEN" ANNUNCIATION CAME ON. WE LOOKED AT THE FRONT CANOPY LATCH AND FOUND IT CLOSED. I (THE INSTRUCTOR) TOOK CONTROL OF THE PLANE WHILE MY STUDENT TWISTED AROUND TO Jun 17, 2019 · N919ES · Diamon DA42NG · Passenger/Crew DoorsSDR N3XR2019020500310Cylinder · weakDURING CRUISE FLIGHT THE AFT PASSENGER DOOR WARNING LIGHT ILLUMINATED. THE CREW SAW THE DOOR WAS AJAR AND HELD SHUT BY THE EMERGENCY LATCH HOOK. THEY MADE AN UNEVENTFUL LANDING. MAINTENANCE PERSONNEL DISCOVERED THE HANDLE OVER-CENTER ACTION WAS WEAK. THEY REPLFeb 1, 2019 · N315ER · Diamon DA42NG · Passenger/Crew DoorsSDR 2019FA0000027Actuator · failedON UPWIND DEPARTURE THE RIGHT ENGINE ECU FAILURE B CAME UP. PILOTS CAME BACK AND LANDED. RT ENGINE ECU FAILURE. CODE WAS 1E12, BOOST PRESSURE OPERATING RANGE. THIS INDICATES AN OVER BOOST SITUATION. THE PILOT DID NOT NOTICE ANYTHING ABNORMAL. THE WASTE GJan 22, 2019 · N131TS · Diamon DA42NG · Exhaust Turbocharger
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