Diamond Aircraft Ind DA 40

Service difficulty reports · 268

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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 = 'DA40'
  ORDER BY difficulty_date DESC"

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SDR 2026FA0000183Shear Pin · brokenLAY SHAFT SHEAR PIN BROKEN INSIDE STARTERDec 19, 2025 · N216DG · Diamon DA40 · Engine StarterSDR 2025FA0000411Attach Bolt · brokenTHE BOTTOM MOST BOLT, WASHER, AND NUT, WAS FOUND MISSING ON THE MLG AXLE WHERE THE AXLE ATTACHES TO THE LANDING GEAR LEG. BOLT P/N: LN9037-M6042, WASHER P/N: DIN125A-M6-A2, NUT P/N: DIN985-M6-A2.Jun 19, 2025 · N656BC · Diamon DA40 · Main Landing Gear Attach SectionSDR 2025FA0000279Rocker · wornFOUND BRONZE COLORED PARTICLES IN OIL FILTER. OPENED ENGINE FOR INSPECTION AND DETERMINED THE PARTICULATES WERE FROM THE ROCKER ARM BUSHINGS. INSPECTED ALL BUSHINGS, DETERMINED INBOARD 1/3 TO 1/2 OF THE ROCKER ARM BUSHING CIRCUMFERENCE WAS WORN AND DAMAGED. BUApr 17, 2025 · Diamon DA40 · Reciprocating Engine Cylinder SectionSDR 2024FA0000787Bolt · brokenRIGHT MAIN LANDING GEAR ATTACHMENT BOLT BROKE. ONE OF TWO THAT HOLD THE OUTBOARD GEAR LEG ATTACHED THE SECOND BOLT WAS BENT FROM BEING THE ONLY BOLT HOLDING THE GEAR LEG IN PLACE. THE PILOTS CAN NOT SEE THE BOLT IS BROKEN DURING PER-FLIGHTS AND COULD MAKE AS MOct 24, 2024 · N424FP · Diamon DA40 · Main Landing Gear Attach SectionSDR 2024FA0000759Bolt · failedRIGHT AFT OUTBOARD LANDING GEAR MOUNT BOLT BROKE. THERE ARE TWO BOLTS THAT HOLD THE OUTBOARD GEAR IN PLACE AND ONE OF THEM BROKE. THE PILOTS CAN NOT SEE THE BOLT IS BROKEN. IF THE BOLT BREAKS RIGHT AFTER THE 100HR THE PLANE COULD MAKE UP TO AROUND 600 LANDING Oct 8, 2024 · N384CA · Diamon DA40 · Fuselage, Landing Gear Attach FittingsSDR 2024FA0000596Spring · pulledPILOT'S SIDE RUDDER PEDAL LATCH FRAME ASSEMBLY LEFT HAND "U" SHAPED PIN WHICH HOLDS LOWER END OF RUDDER PEDAL RETURN SPRING PULLED OUT OF LATCH FRAME. RUDDER PEDAL REMAINED EFFECTIVE BUT WOULD NOT SPRING BACK INTO NEUTRAL POSITION. FOUND DURING PREFLIGHT, FLIGAug 7, 2024 · Diamon DA40 · Rudder Control SystemSDR 2024FA0000254Starter · inoperativeSTARTER NOT ENGAGING WITH FLYWHEEL RING GEAR.Mar 22, 2024 · N787EC · Diamon DA40 · Engine StarterSDR 2024FA0000253Bulkhead · wornCRACK IN EDGE NEAR REINFORCEMENT PLATE AND ONE REINFORCEMENT PLATE WITH SHEARED RIVETS.Mar 22, 2024 · N787EC · Diamon DA40 · Propeller Hub SectionSDR 2024FA0000247Support · crackedFOUND CRACKS IN CORNERS OF SUPPORT BLOCKS ON BOTH LH AND RH MAIN GEAR DURING 100 HOUR INSPECTION.Mar 21, 2024 · N787EC · Diamon DA40 · Wing, Landing Gear Attach FittingsSDR 2024FA0000244Ignition Switch · wornDIFFICULTY TURNING KEY BETWEEN POSITIONS AND DIFFICULTY REMOVING KEY FROM SWITCH.Mar 21, 2024 · N655DS · Diamon DA40 · Ignition SystemSDR 2024FA0000243Fan · false indicationFALSE MFD FAN FAIL ALERT ON PFD ANNUNCIATOR SCREEN.Mar 21, 2024 · N386JP · Diamon DA40 · Flight Management Computing Hardware SystemSDR 2024FA0000241Bulkhead · wornSIX-INCH CRACK EMANATING FROM OUTSIDE EDGE AND RIVETS SHEARED ON REINFORCEMENT PLATE.Mar 21, 2024 · N415KG · Diamon DA40 · Propeller Hub SectionSDR 2024FA0000038Fork · unknownDURING ANNUAL INSPECTION FOUND NOSE GEAR FORK ARMS (R&L) TO BE CRACKED BY VISUAL INSPECTION. LOCATION OF CRACK 1.5" FORWARD OF AXLE.Jan 12, 2024 · N349AF · Diamon DA40 · Landing Gear SystemSDR 2023FA0000852Pump · inoperative5100-00-9CJ (NEW) FAILED AFTER 12 HOURS (TACH TIME). THE AUX FUEL PUMP IS REQUIRED DURING ENGINE START, TAKE-OFF, AND LANDING ONLY. THIS FAILURE OCCURRED DURING ENGINE START, WITH BATTERY ON AND FUEL PUMP SWITCH ACTIVATED; THE 5-AMP C/B POPS AFTER APPROX. 5 SEDec 27, 2023 · N304AF · Diamon DA40 · Engine Fuel PumpSDR 2023FA0000752Bolt · brokenRIGHT AFT MAIN LANDING GEAR BOLT BROKE. THIS IS ONE OF TWO OUTBOARD MOUNT BOLTS THIS BOLT WAS INSTALLED NEW 10/03/2018 AND HAD 2764.6 TTSN THE BOLT BROKE IN THE THREADED AREA. THE PILOTS CANNOT SEE THE BOLTS DURING THE PRE-FLIGHT INSPECTION AND CAN MAKE HUNDRNov 9, 2023 · N425FP · Diamon DA40 · Main Landing Gear Attach SectionSDR 2023FA0000565Door · departedAPPROXIMATELY 20 MINUTES AFTER DEPARTURE, AT CRUISE ALTITUDE OF 7500', PILOT LOOKED AT ANNUNCIATOR PANEL AND NOTICED THE "DOOR UNLOCKED" LIGHT. PILOT NOTICED THAT THE AFT DOOR MAIN LATCH WAS NOT SECURE, THE SECONDARY LATCH WAS HOLDING THE DOOR, AND THE DOOR WASep 25, 2023 · N655NA · Diamon DA40 · DoorsSDR 2023FA0000580Roll Pin · shearedDURING AN INSPECTION AFTER LANDING ON THE HIGH WAY IT WAS FOUND THAT A ROLL PIN IF THE FUEL SELECTOR HAD SHEARED. IT IS STILL UNCLEAR AT WHAT POINT THE ROLL PIN FAILED AS THERE WERE SEVERAL FLIGHT PRIOR THAT DAY WITH NO ISSUES NOTED. THE ROLL PIN WAS REPLACED Sep 18, 2023 · N97CF · Diamon DA40 · Fuel Controlling SystemSDR 2023FA0000529Pressure Switch · leakingDURING CURSE FLIGHT THE PILOT NOTICED THE OIL PRESSURE GAUGE START FLICKERING JUST A LITTLE AND DECIDED TO RETURN TO THE AIRPORT. THE FLIGHT BACK TO THE AIRPORT TOOK ABOUT 15 MINS. AS THE PILOTS EXITED THE AIRPLANE THEY NOTICED OIL ALL OVER IT. MAINTENANCE FOUSep 8, 2023 · N424FP · Diamon DA40 · Engine Oil System (Airframe Furnished)SDR 2023FA0000372Bolt · brokenRIGHT MAIN LANDING GEAR OUTBOARD AFT MOUNT BOLT BROKE. THIS BOLT WAS INSTALLED NEW 3/29/22 AND HAD 1170.9 TTSN THIS IS THE SECOND TIME THIS AIRPLANE HAS BROKEN ONE OF THE RIGHT OUTBOARD MOUNTING BOLTS, THE LAST TIME IT WAS THE RIGHT OUTBOARD FWD THE BOLTS BRJul 17, 2023 · N759PA · Diamon DA40 · Main Landing GearSDR 2023FA0000364Bolt · brokenRIGHT OUTBOARD AFT MAIN LANDING GEAR MOUNT BOLT BROKE AND THAT CAUSED THE FORWARD BOLT TO BEND. WAS FOUND DURING 100HR INSPECTION AND CAN NOT BE SEEN DURING PREFLIGHTS TOTAL NUMBER OF LANDINGS AFTER THE BOLT BROKE CAN NOT BE DETERMINED BUT COULD BE OVER 100Jul 13, 2023 · N383PS · Diamon DA40 · Main Landing GearSDR 2023FA0000251Mount · crackedAFTER ENGINE REMOVAL, THE ENGINE MOUNT WAS REMOVED FROM AIRCRAFT CLEANED AND INSPECTED. A CRACK IN THE WELD WHERE THE ANGLED PLATE IS WELDED TO THE TUBULAR TRUSS ADJACENT TO THE LOWER LEFT ISOLATOR MOUNT. THIS IS THE SECOND TIME A CRACK HAS BEEN FOUND IN THIS Apr 29, 2023 · N468MA · Diamon DA40 · Engine Mount SectionSDR 2023FA0000101Battery Pack · corrodedDURING ANNUAL FOUND NO VOLTAGE COMING FROM EMERGENCY BATTERY PACK. FOUND 3 AA BATTERIES IN PACK EXPLODED, CAUSING EXTENSIVE CORROSION ON TERMINAL END OF PACK. R&R EMERGENCY BATTERY PACKFeb 26, 2023 · N236DS · Diamon DA40 · Electrical Power SystemSDR 2023FA0000060Bolt · brokenRIGHT OUTBOARD FORWARD MAIN LANDING GEAR MOUNT BOLT BROKE. BOLT NOT BEING SEEN BROKEN DURING PREFLIGHT INSPECTIONS AND LOOKS TO HAVE BEEN BROKEN FOR A LOT OF HOURS BEFORE BEING FOUND DURING THE 100 HOUR INSPECTION. NEXT BIGGER SIZE BOLT SHOULD FIX THE PROBLEMFeb 1, 2023 · N417FP · Diamon DA40 · Standard Practices/StructuresSDR 2022FA0000744Attach Bolt · brokenRIGHT MLG OUTBOARD FWD BOLT BROKE FOUND DURING 100 HOUR INSPECTION. PILOTS CAN NOT SEE THE BOLT DURING PRE-FLIGHT INSPECTION AND COULD DONE A LOT OF TAKE OFF'S AND LANDINGS AFTER THE BOLT BROKE.Dec 7, 2022 · N418FP · Diamon DA40 · Fuselage, Landing Gear Attach FittingsSDR 2022FA0000549None · chafedDURING 100 HOUR INSPECTION FOUND NLG DAMPER ROD P/N D41-3223-20-33B CHAFFED 1.2 INCHES FROM THE BOTTOM TO 3.1 INCHES FROM THE BOTTOM OF THE ROD. CHAFFED AREA REDUCED DIAMETER OF ROD BY 25 PERCENT. FAILURE OF THIS ROD WOULD RESULT IN NLG LEG COMING LOOSE FROM ASep 26, 2022 · N285DS · Diamon DA40 · Nose/Tail Landing GearSDR 2022FA0000628Damper · unserviceableWHILE DISASSEMBLING NLG ELASTOMER PACK FOUND NLG DAMPER ROD TO BE EXTREMELY WORN. MEASURED WARE TO BE ~2MM OF MISSING MATERIAL. PER SB40-082 THIS IS OUT OF LIMITS. IF WEAR CONTINUED, NLG STRUT COULD BECOME DISATTACHED FROM CENTER ENGINE MOUNT ATTAC POINT, AT TMar 30, 2022 · N285DS · Diamon DA40 · Nose/Tail Landing GearSDR 2021FA0000220Probe · leakingOIL TEMP PROBE LEAKING OIL THROUGH WIRE CONNECTION PINSAug 5, 2021 · N79US · Diamon DA40 · Engine Oil TemperatureSDR 2021FA0000089Points · disengagedWHILE PERFORMING MAGNETO 500 HOUR INSPECTION, I WENT TO REPLACE THE SECONDARY POINTS WITH NEW CHAMPION M3637 CONTACT POINT KIT AND THE POINTS ARM DID NOT TOUCH THE CAM WHEN THE SCREWS WERE TORQUED DOWN. THIS CAUSED THE POINTS CONTACTS TO NOT OPEN. TRIED MULTMar 23, 2021 · Diamon DA40 · Magneto/DistributorSDR 2021FA0000055Truss · crackedDURING POWER PLANT INSPECTION. ENGINE TRUSS WAS NOTED TO BE CRACKED AT THE LOWER LEFT ENGINE SHOCK MOUNT ATTACH POINT IN THE WELDED AREA (GUSSET TUBE).Feb 23, 2021 · N636AT · Diamon DA40 · Engine Mount SectionSDR 2021FA0000054Truss · crackedDURING POWERPLANT INSPECTION, ENGINE TRUST WAS NOTED TO BE CRACKED AT THE CENTER TRUSS LOCATION WHERE THE NOSE GEAR PUCK ASSEMBLY MOUNTS TO THE ENGINE TRUSS THEN MOUNTS TO THE FIREWALL. 1 TUBE HAS COMPLETELY BROKEN OFF WHILE THE ADJACENT TUBE IS ABOUT TO FAIL Jan 27, 2021 · N57PU · Diamon DA40 · Engine Mount SectionSDR 2020FA0000394Bolt · detachedFUEL TANK FILL CAP RETAINING BOLT FELL OFF INTO THE TANK WITH THE REST OF THE FUEL TANK CAP PARTS. TOTAL PARTS INCLUDE THE NUT, WASHER, SPRING, AND THE FUEL CAP LOCKING MECHANISM.Sep 4, 2020 · N79US · Diamon DA40 · Hydraulic System, MainSDR 2020FA0000383Pad · looseTHE RT DETENT PAD P/N DP2 CAME LOOSE FROM THE FUEL SELECTOR BASE P/N DA4-2738-11-50 AND JAMMED THE FUEL SELECTOR HANDLE FROM BEING ABLE TO SELECT THE RT FUEL TANK.Aug 18, 2020 · N556LU · Diamon DA40 · Fuel Selector/Shut-Off ValveSDR 2020FA0000382Pad · looseTHE RT DETENT PAD P/N DP2 CAME LOOSE FROM THE FUEL SELECOR BASE P/N DA4-2738-11-50 AND JAMMED THE FUEL SELECTOR HANDLE FROM BEING ABLE TO SELECT THE RT FUEL TANK.Aug 18, 2020 · N556LU · Diamon DA40 · Fuel Selector/Shut-Off ValveSDR 2020FA0000364Exhaust Stack · crackedNR 4 STACK HAD 89.9 HOURS SINCE NEWLY INSTALLED, CRACKED AT FLANGE NEXT TO WELD AT OUTBOARD STUD APPROXIMATELY 1 INCH LONG.Aug 4, 2020 · N104JA · Diamon DA40 · Engine Collector/Tailpipe/NozzleSDR 2019FA0000246Bracket · damagedALTERNATOR ATTACHMENT BRACKET MOUNTING HOLES ELONGATED CAUSING THE ALTERNATOR FAN/FLYWHEEL TO GRIND AGAINST THE ALTERNATOR ATTACHMENT BRACKET LEADING TO ALTERNATOR FAILURE. THIS ENGINE WAS RECENTLY OVERHAULED AND HAD ONLY 80 HOURS SINCE OVERHAUL. THE FRONT BUSAug 7, 2019 · N569DS · Diamon DA40 · DC Generator-AlternatorSDR CA190722005Strut · cracked(CAN) CRACK NLG AXLE FOUND WITH LPI. (TC# 20190722005)Jul 22, 2019 · Diamon DA40 · Nose/Tail Landing Gear Strut/AxleSDR CA190627010Autopilot Sys · malfunctioned(CAN) AUTOPILOT REMAINING IN THE `ON` POSITION IN FLIGHT AND MAKING UNCOMMANDED ROLL & PITCH MANEUVERS. DISCONNECT `RED` BUTTON ON STICK, PUSHING CONTROL STICK, AUTOPILOT SOFT-KEY, AND AUTOPILOT BREAKER ALL UNRESPONSIVE. AUTOPILOT WAS DISABLED BY PULLING NAV2 Jun 26, 2019 · Diamon DA40 · Auto Flight SystemSDR CA190613012Bolt · broken(CAN) LEFT FORWARD BOLT SECURING THE MLG STRUT BROKE. THIS BOLT WAS REPLACED 3 WEEKS AGO AND HAD 33.5 HOURS. (TC# 20190613012)May 20, 2019 · Diamon DA40 · Main Landing GearSDR 2019FA0000138Fuel Sys · pressure lossDURING CLIMB FLIGHT PILOTS GOT THE RED LOW FUEL PRESSURE WARNING.THE PILOTS TURNED ON ELECTRIC FUEL PUMP AND PRESSURED WAS RESTORED TO NORMAL. COULD NOT DUPLICATE ON GROUND RUNS. INSPECTED FOR CLEAN FUEL SYSTEM NO PROBLEMS WHERE NOTED INSTALLED NEW MECHANICAL May 3, 2019 · N118GM · Diamon DA40 · Fuel Controlling SystemSDR 2019FA0000137Fuel Sys · low pressureDURING CRUISE FLIGHT PILOTS GOT THE RED LOW FUEL PRESSURE WARNING AND ENGINE STARTED SPUTTERING THE PILOTS TURNED ON ELECTRIC FUEL PUMP AND PRESSURED WAS RESTORED TO NORMAL AND THE ENGINE STARTED TO RUNNING NORMAL. COULD NOT DUPLICATE ON GROUND RUNS. INSPECTEDMay 3, 2019 · N127KC · Diamon DA40 · Fuel Controlling SystemSDR CA190411012Drive Shaft · broken(CAN) PILOT REPORTED THAT HE WAS HAVING HARD TIME STARTING BUT ENGINE WAS ALMOST RUNNING SO HE ADDED POWER TO THROTTLE AND THEN SUDDENLY JUST WIND MILLING PROPELLER. GEARBOX WAS REMOVED AND IT WAS DISCOVERED THERE IS A BROKEN GEARBOX DRIVE SHAFT. CORRECT MONITApr 9, 2019 · Diamon DA40 · Reciprocating Engine Front SectionSDR 2019FA0000134Fork · cracked100 HRS. INSPECTION REVEALED CRACK IN NLG. THIS PART WAS INSTALLED LESS THAN 300 HRS AGO TO REPLACE A BROKEN NLG THAT RESULTED IN A PROP STRIKE. THIS PART IS NOT PART OF THE CURRENT AD (THE PREVIOUS PART WAS).Mar 29, 2019 · N526DS · Diamon DA40 · Nose/Tail Landing GearSDR CA190613011Bolt · broken(CAN) BROKE ANOTHER LANDING GEAR BOLT ON XXXX S/N 40.FC022 (LEFT OUTBOARD FWD BOLT) IT`S THE SAME BOLT THAT BROKE 288.4 HOURS AGO THE FIRST ONE WAS 10/22/18 TTAF 6973.1 THE SECOND ONE IS ON 03/19/19. (TC# 20190613011)Mar 19, 2019 · Diamon DA40 · Main Landing GearSDR CA190319015Support Bracket · cracked(CAN) CRACKED MLG SUPPORT BRACKET FOUND ON 100 HOUR INSPECTION. OPERATOR INDICATED NO REPORTED HARD LANDING AND NO QUALITY ISSUES NOTED WITH THE RIB AREA.Mar 5, 2019 · Diamon DA40 · Fuselage, Landing Gear Attach FittingsSDR CA190306013Support Plate · cracked(CAN) DURING SCHEDULE MAINTENANCE THE MLG SUPPORT PLATE WAS FOUND CRACKED IN HALF, NO OTHER DAMAGE OR CRACKS FOUND ANYWHERE ELSE ON MLG. UPON FURTHER INSPECTION IT WAS DISCOVERED THAT EXCESSIVE RESIN DURING FABRICATION OF A/C HAD DRIPPED DOWN AND CURED AS A `BMar 5, 2019 · Diamon DA40 · Fuselage, Landing Gear Attach FittingsSDR CA190925009Pump · low pressure(CAN) OVER U78 RED MESSAGE SAID LOW FUEL PRESSURE AND ENGINE SPUTTERED 2X ON R TANK. TURNED ON AUX PUMP AND SWITCHED TO L, NO MORE ISSUES. (TC# 20190925009)Jan 27, 2019 · Diamon DA40 · Engine Fuel PumpSDR CA190925011Pump · low pressure(CAN) LOW FUEL PRESSURE WARNING TURNED ELECTRIC PUMP ON, PRESSURE WENT TO 26-28. TURNED ELECTRIC OFF, PRESSURE FELL TO 19. ELECTRIC PUMP REMAINED ON. (TC# 20190925011)Dec 21, 2018 · Diamon DA40 · Engine Fuel PumpSDR CA190613010Bolt · broken(CAN) DURING REGULAR INSPECTION, MAINTENANCE FOUND THE LH MLG OUTBOARD FORWARD BOLT BROKEN. THE LOWER WING SKIN IS PARTIALLY DISBONDED FROM THE WING STUB SPAR. (TC# 20190613010)Oct 22, 2018 · Diamon DA40 · Main Landing GearSDR 2018FA0000397Attach Bolt · shearedLEFT HAND, FWD LANDING GEAR BRACE BOLT SHEARED LEVEL WITH THE NUT. ALSO CAUSED DELAMINATION OF A PORTION OF THE FUSELAGE DIRECTLY UNDERNEATH THE LANDING GEAR BRACE POINT. FOUND DURING 100 HOUR INSPECTION.Oct 1, 2018 · N422FP · Diamon DA40 · Main Landing Gear Attach SectionSDR 2018FA0000396Attach Bolt · shearedFOUND RH FRWD LANDING GEAR ATTACH BOLT SHEARED AT BOLT THREADS DURING 100 HR INSPECTION. FORCE OF BOLT BREAKING CAUSED ATTACHMENT PLATE TO HIT BOTTOM OF FUSELAGE DELAMNINATING OUTER SKIN FROM FUSELAGE.Oct 1, 2018 · N417FP · Diamon DA40 · Main Landing Gear Attach Section
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