Austro E4 series

Service difficulty reports · 129

Newest first. General aviation reporting is voluntary.

Query with SQL
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 = 'E4'
  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 2026FA0000678Hose · rupturedABOUT 10 MIN AFTER TAKEOFF AND AT ABOUT 10,000 FT MSL THE LEFT ENGINE INDUCTION HOSE P/N D67-9081-26-01 FAILED BY SPLITTING AND ALLOWING THE MANIFOLD PRESSURE TO DROP. (TURBO CHANGED ENGINE)THIS PRESSURE DROP CAUSE THE ENGINE POWER TO GO TO ABOUT 62%. FOR TROSep 2, 2026 · N81FP · Diamon DA62 · Manifold Pressure (MP) IndicatingSDR N3XR 08 13Crankcase · puncturedLEFT ENGINE OIL LEAK ON TAKEOFF WITH WHITE SMOKE, CREW FEATHERED AND LANDED. DURING INSPECTION, A HOLE WAS FOUND IN THE CRANKCASE, AND ANOTHER LOCATION SHOWED A FRACTURED CASE. THE ENGINE WAS DISASSEMBLED, AND A CRANKSHAFT BOLT E4A-10-100-202 WAS FOUND TO HAVEAug 4, 2026 · N323ER · Diamon DA42 · Engine (Reciprocating)SDR 2026FA0000601Ecu · faultedLT ENGINE ECU A AND B FAILURE ON TAKEOFF. AIRCRAFT RETURNED TO FIELD. COMPUTER CODES IDENTIFIED A BOOST PRESSURE ISSUE.Jul 24, 2026 · N329L · Diamon DA42 · Fuel Controlling SystemSDR 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 N3XR202603020002Governor · inoperativeLEFT ENGINE OVERSPEED. RPM'S STARTED TO INCREASE WITH POWER BEING BROUGHT BACK TO ZERO %.Feb 27, 2026 · N319ER · Diamon DA42 · 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 N3XR2026030201Governor · inoperativeLT ENG CONSTANT OVERSPEED EVEN WITH THROTTLE PULLED BACK,Feb 25, 2026 · N309ER · Diamon DA42NG · Propeller GovernorSDR 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 N3XR202510300002Dampener · failedDURING TROUBLESHOOTING FOR LOW POWER OUTPUT, THE TORSIONAL VIBRATION DAMPER WAS FOUND DAMAGED, WITH SEVERAL BROKEN PIECES MISSING FROM IT. IT WAS ALLOWING SLIPPAGE WHILE DRIVING THE PROPELLER.Oct 30, 2025 · N316ER · Diamon DA42 · Engine (Reciprocating)SDR N3XR202510290001Seal · failedAIRCRAFT LOST POWER ON RIGHT ENGINEDURING FLIGHT AND WOULD NOT EXCEED ABOVE 40%. THE TURBO ACTUATOR FAILED.Oct 29, 2025 · N316ER · Diamon DA42 · Exhaust TurbochargerSDR N3XR202510070001Pump · inoperativeTHE RIGHT ENGINE FAILED TO START. WHEN STARTED, WITH THE FUEL PUMP ON, THE ENGINE RAN BRIEFLY. UPON TURNING THE FUEL PUMP OFF, THE ENGINE SHUT DOWN. A SUBSEQUENT START ATTEMPT WITH THE FUEL PUMP ON RESULTED IN AN ENGINE START ACCOMPANIED BY AN R ECU A FAILURE Oct 7, 2025 · N323ER · Diamon DA42 · Engine Fuel PumpSDR N3XR202509260003Pump · inoperativeLEFT ENGINE QUIT FOR HALF A SECOND, THEN SWITCHED BACK ON, LEFT ENGINE ECU SHOWED A MESSAGE APPEARED, LEFT FUEL PUMP CIRCUIT BREAKER POPPED, KEPT THE VOTER SWITCH ON AUTO WITH FUEL PUMP SWITCH ON. THE LEFT LOW-PRESSURE FUEL PUMPS WERE REPLACED.Sep 26, 2025 · N318ER · Diamon DA42 · Fuel Boost PumpSDR N3XR20250926001Piston · crackedDURING TAKE OFF THE LEFT ENGINE FAILED AND WAS SHUT DOWN AND FEATHERED. OIL WAS SEEN STREAMING FROM THE COWLING. A BORE SCOPE INSPECTION REVEALED THE #1 PISTON FAILED.Sep 25, 2025 · N329ER · Diamon DA42 · Reciprocating Engine Cylinder SectionSDR N3XR202509250001Pump · inoperativeLEFT ECU FAILURE AFTER TAKING OFF, TURNED FUEL PUMPS OFF, AND LOST ENGINE POWER.Sep 22, 2025 · N320ER · Diamon DA42 · Engine Fuel PumpSDR N3XR202509250002Pump · inoperativeDURING THE RUN UP, THE LEFT ECU B FAILED, AND THE ENGINE TURNED OFF. RESTARTED THE ENGINE, LEFT ECU B FAIL REMAINED.Sep 8, 2025 · N327 · Diamon DA42 · Engine Fuel PumpSDR N3XR202509250003Pump · inoperativeTHE RIGHT ENGINE WILL NOT START AFTER 2 ATTEMPTS. FUEL PUMP PN-D64-9028-11-01-MOD FAILED. IT WAS REPLACEDSep 8, 2025 · N314ER · Diamon DA42 · Engine Fuel PumpSDR 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 2025FA0000413Ecu · faultedPILOT REPORT: COMING BACK IN ON LIFT ARRIVAL, FELT ENGINE SHUDDER FOLLOWED BY DUAL ECU FAILURE. ECU A KEPT COMING ON AND OFF. INTERMITTENT POWER LOSS, HEADING TO 2R2. COMING INTO LAND AT 2R2, HAD LOSS OF OIL PRESSURE. MAINTENANCE FINDINGS: FOUND ROCKER COVER PJun 20, 2025 · N670L · Diamon DA40NG · Fuel Control/Turbine EnginesSDR N3XR202505230001Piston · crackedWHEN COMPLYING WITH AD2024-19-10 / MSB-E4-043 (RTBORESCOPE) INSPECTION, THE #2 PISTON WAS FOUND CRACKED.May 21, 2025 · N316ER · Diamon DA42 · Reciprocating Engine Power SectionSDR N3XR20250507001Piston · crackedWHILE COMPLYING WITH AD2024-19-10 / MSB-E4-043 (RTBORESCOPE INSPECTION), THE #2 PISTON ON THE RIGHT ENGINE WAS FOUND CRACKED. THE ENGINE WAS REPLACED.May 2, 2025 · N313ER · Diamon DA42 · Reciprocating Engine Power SectionSDR N3XR202412190001Bracket · dislodgedDURING ECU TEST, LEFT OIL PRESSURE LOW ANNUNCIATOR DISPLAYED. OIL TEMP REMAINED IN THE GREEN AND SAME WITH RIGHT ENGINE. LEFT ENGINE OPERATING WITHOUT ANY SIGNS OF DEFECT OR OIL SPILL. INVESTIGATION REVEALED THAT THE CIRPLIP (P/N-DIN_472-28 X 1.2) WAS DISLOGEDDec 16, 2024 · N322ER · Diamon DA42 · Reciprocating Engine Oil SystemSDR 7L7R2024102100779Piston · damagedECU A AND B FAIL DURING INITIAL CLIMB, AND SIGNIFICANT LOSS OF POWER. DURING SUBSEQUENT BORESCOPE INSPECTION FOUND A HOLE IN THE #3 PISTON. PREVIOUS BORESCOPE INSPECTION WAS PERFORMED @ 787.4 ETSN.Oct 6, 2024 · N946L · Reciprocating Engine Power SectionSDR 2024FA0000750Piston · crackedENGINE POWER & RPM LOSS IN FLIGHT. FUMES COMING THROUGH AIR VENT. EMERGENCY LANDING INTO KHFY. FOUND #1 PISTON CRACKED. TERMINATING ACTION FOR AD2024-05-01 WAS TAKEN ON 2/8/2024 AT 722.1 ETT. AD 2024-05-01"FUEL INJECTOR CHANGE" WAS COMPLIED WITH ON 3/10/202 ATOct 3, 2024 · N977L · Diamon DA40NG · Reciprocating Engine Cylinder 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 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 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 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 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 2024FA0000568Flywheel · fragmentedDUAL ECU FAIL AND POWER LOSS IN FLIGHT. FOUND FLYWHEEL FAILURE WHICH APPEARS TO HAVE STARTED WITH SPRING FAILURE.Aug 6, 2024 · N366L · Reciprocating Engine Power SectionSDR 2024FA0000446Piston · crackedPILOT REPORTED ON CLIMBING TO ALTITUDE, EXPERIENCED LOSS OF POWER APPROX, 25% AND OSCILLATION OF POWER AND RPM. STARTED TO SMELL ODD SMELL LIKE BURNING, DUAL ECU A & B FAILURE POPPED UP. ENOUGH POWER REMAINED TO ALLOW RETURN, AFTER LANDING PLANE STARTED TO SHAJun 13, 2024 · N858L · Diamon DA40NG · Aircraft Fuel Distribution SystemSDR N3XR202406120001Piston · crackedLEFT ENGINE POWER HAD 3% & RPM(100RPM) FLUCTUATION. VISIBLE ENGINE OIL LEAKING OUT OF AIR OUTLETS. DIVERTED TO XXXX ON THE GROUND, POWER 10%FLUCTUATION RPM. INVESTIGATION REVEALED THAT THE #3 PISTON WAS CRACKED AND A HOLE HAD DEVELOPED AT THE 3 O'CLOCK POSITIOJun 4, 2024 · N316ER · Diamon DA42 · Reciprocating Engine Power SectionSDR 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 2024FA0000141Rod Bolt · shearedUNUSUAL CLANGING SOUNDS HEARD DURING A TRAINING FLIGHT. IMMEDIATELY TURNED TO BASE AND GAINED ALTITUDE TO ASSURE SAFE LANDING AT JNX. AFTER 2 MILES, A DUAL ECU FAIL BECAME ACTIVE DUE TO LOW OIL PRESSURE. CONTINUED FLIGHT AT IDLE. AT 3 MILES FROM BASE, OIL PRESFeb 9, 2024 · N517BL · Diamon DA40NG · Reciprocating Engine Power SectionSDR 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 2023FA0000854Piston · brokenTHE AIRCRAFT WAS IN CRUISE AT APPROXIMATELY 7500’ WHEN THEY EXPERIENCED SOME ENGINE ROUGHNESS, A LOSS OF OIL PRESSURE AND THE ENGINE QUIT. THEY LANDED AT THE GEORGETOWN, SC AIRPORT AT APPROXIMATELY 5:30PM. MAINTENANCE FOUND OIL ON THE AIRCRAFT, A HOLE IN THE SDec 22, 2023 · N445L · Diamon DA40NG · Reciprocating Engine Power SectionSDR 2023FA0000767Piston · failedPILOT REPORTED PARTIAL ENGINE POWER LOSS AND OIL LOSS. INSPECTED ENGINE AND FOUND THE #4 PISTON CRACKED/HOLENov 18, 2023 · N854L · Diamon DA40NG · Engine (Turbine/Turboprop)SDR 2023FA0000431Engine · mismanufacturedPILOT REPORTED THAT THERE WAS ENGINE ROUGHNESS AND VIBRATIONS DURING TAKEOFF, NOTICED MOST AROUND 700 FEET AGL. THEY ALSO REPORTED PROP OVERSPEED.Aug 18, 2023 · N518BL · Diamon DA40NG · Engine (Reciprocating)SDR 2023FA0000432Engine · mismanufacturedPILOT REPORTED ENGINE ROUGHNESS ON TAKEOFF WITH LOAD AND RPM OSCILLATIONS.Aug 18, 2023 · N416BL · Diamon DA40NG · Turbine Engine Combustion SectionSDR 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 2023FA0000435Engine · mismanufacturedREPEATED ENGINE ROUGHNESS ISSUES - (1) ENGINE ROUGHNESS W/ OSCILLATING RPM AND VERY AGGRESSIVE JOLTING AT 75% CRUISE POWER. ANY POWER ABOVE 75% STARTING JOLTING AGGRESSIVELY AGAIN. (2) ENGINE ROUGHNESS AT 2,000FT. RPM WENT INTO THE RED, PULLED POWER BACK. WENTAug 18, 2023 · N403BL · Diamon DA40NG · Powerplant SystemSDR 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 N3XR20220524001Governor · stickingDURING ECU SELF-TEST, AN ERROR MESSAGE APPEARED SHOWING TIME OUT. INSPECTION REVEALED A MALFUNCTIONING GOVERNOR. IT WAS REPLACED AND OPERATION CHECK WAS NORMAL.May 24, 2022 · N311ER · Diamon DA42 · Propeller GovernorSDR N3XR202205240002Governor · inoperativeSELF-TEST FAILURE DURING ECU SELF-TEST. REPLACED GOVERNOR.May 2, 2022 · N309ER · Diamon DA42 · Propeller GovernorSDR 2022FA0000233Landing Gear · debondedRIGHT MLG BRACE RIB WAS FOUND TO BE DEBONED FROM THE UPPER SHELL OF THE CENTER WING SECTION, THUS CAUSING THE GEAR ASSEMBLY TO SHIFT FROM ITS FIXED POSITION AND FORCE THE OVER CENTER LINK TO PREMATURELY RETRACT.Apr 27, 2022 · N822SA · Diamon DA42 · Main Landing Gear Attach SectionSDR 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 7L7R2021110100001Gear · failedENGINE QUIT ON CLIMB OUT. SAFE RETURN TO AIRFIELD. FOUND TEETH MISSING ON HIGH PRESSURE FUEL PUMP AND CAMSHAFT. REPLACED THE ENGINE AND FUEL PUMP.Sep 7, 2021 · N947L · Diamon DA40NG · Engine Fuel PumpSDR 2021FA0000296Wastegate Valve · noneLH POWER ERRATIC AT FULL THROTTLE. INSPECTED AND FOUND LH TURBO WASTE GATE CONTROLLER NOT HOLDING PRESSURE. REMOVED AND REPLACED LH WASTE GATE CONTROLLER WITH NEW RUN UP AND FLIGHT CHECK SATISFACTORY. TESTED OLD ACTUATOR ON GROUND AND FOUND ACTUATOR STICKING AAug 7, 2021 · N520RA · Diamon · Exhaust Turbocharger
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