Cessna 441

Service difficulty reports · 516

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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 = '441'
  ORDER BY difficulty_date DESC"

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SDR 2026FA0000788Engine · failedDURING CRUISE FLIGHT AT FL290, ONE HOUR AFTER TAKEOFF, RIGHT ENGINE TORQUE QUICKLY FELL TO ZERO AND REMAINED, NO OSCILLATIONS. SIMULTANEOUSLY, RIGHT ENGINE EGT INCREASED TO BEYOND RED LINE AND REMAINED, NO OSCILLATIONS. AIRCRAFT YAWED AND BEGAN TO LOSE ALTITUDSep 25, 2026 · N440EH · Cessna 441 · Engine (Turbine/Turboprop)SDR 2026FA0000619Rod End · shearedAFTER LANDING AND UPON ROLL OUT THE PILOT EXPERIENCED THE NOSE OF THE AIRCRAFT STARTING TO DROP. HE PULLED BACK ON THE YOKE AND THE NOSE CONTINUED TO DROP, AT WHICH TIME THE LEFT AND RIGHT PROPELLERS CONTACTED THE RUNWAY, WHICH CAUSED BOTH ENGINES TO SHUT DOJul 19, 2026 · N274GC · Cessna 441 · Landing Gear Retraction/Extension SystemSDR 2026FA0000615Hydraulic Line · leakingON DESCENT LT AND RT "HYD LOW FLOW" ANNUNCIATORS START FLICKERING THEN WENT FULLY ON. EXTENDED LANDING GEAR BUT ONLY LT MAIN WENT DOWN AND LOCKED. BLEW THE LANDING GEAR BLOWDOWN BOTTLE, HEARD THE BOTTLE BLOW BUT HAD NO FURTHER DOWN AND LOCKED INDICATION. AFTERJul 9, 2026 · N441SK · Cessna 441 · Hydraulic System, MainSDR 2025FA0000003Governor · faultedON TAXI OUT, THE LT FUEL COMPUTER WENT OFF-LINE, THE PILOTS SELECTED BOTH FUEL COMPUTERS OFF AND PROCEEDED TO FLY IN MANUAL IAW THE MANUAL. WHILE APPLYING TAKE OFF POWER SOME SURGING WAS NOTICED ON THE LT ENGINE. ABORTED TAKE OFF. FOUND THE MONOPOLE MALFUCTIONJan 3, 2025 · N441BW · Cessna 441 · Engine ControlsSDR 2024FA0000621Propeller · shutdownPERFORMED INFLIGHT ENGINE SHUTDOWN BEFORE RELEASE TO SERVICE AS REQUIRED AFTER ENGINE HOT SECTION INSPECTION AND ENGINE INSTALLATION. AT INFLIGHT SHUTDOWN THE ENGINE SPOOLED DOWN AFTER TURNING OFF FUEL AS EXPECTED. HOWEVER, WHEN THE MANUAL FUEL CUTOFF/PROP FJul 22, 2024 · Cessna 441 · Propeller AssemblySDR 2024F00098Antenna · inflt separationDURING CRUISE PHASE OF FLIGHT FROM SNP TO ANC PILOT FELT VIBRATION/BUFFETING AND SLOWED HIS AIRSPEED DOWN AND DESCENDED 2000-3000 FEET IN ALTITUDE THINKING MAYBE HE HIT TURBULENCE. ON DESCENT INTO ANC. PILOT TRIED LISTENING TO #2 COM WITH NO RESULTS AND SWITCHMar 21, 2024 · N11MM · Cessna 441 · VHF Communications SystemSDR 2024F00037Gyro · abnormalAIRCRAFT TOOK OFF AND SHORTLY AFTERWARDS THE CREW NOTICED SMOKE IN THE COCKPIT AND THE EMERGENCY PRESSURIZATION RED LIGHT CAME ON. THE CREW DONNED MASKS AND DEPLOYED THE MASKS FOR THE 2 PAX ONBOARD. PAX PUT MASK ON, THE CREW DECLARED AN EMERGENCY WITH MINNEAPOFeb 18, 2024 · N92JQ · Cessna 441 · Attitude Gyro and Indicating SystemSDR 6GFA202401220001Landing Gear · stuckON APPROACH TO PBI WHEN GEAR WAS SELECTED DOWN, RIGHT GEAR DID NOT INDICATE DOWN. TOWER WAS ADVISED AND REPORTED THEY DID NOT HAVE A VISUAL ON RIGHT GEAR. APPROACH WAS TERMINATED. AFTER A DISCUSSION WITH THE TOWER THE DECISION TO LAND AT FLL WAS MADE DUE TOJan 10, 2024 · N441WJ · Cessna 441 · Landing Gear Retraction/Extension SystemSDR 2023FA0000357Bearing Race · galledTORQUE SENSOR BEARING INNER RACE GALLED [PN: 70100168-1, SN: 19-151725-05170, TSN: 423.1]. RESULTED IN BAD SOAP, 5 SHINY M50 PLATELETS UP TO 0.2MM REPORTED. ENGINE [TPE331-10N-512S, SN: P-77454, TSN: 6,889.1, CSN: 11,904, TSO: 2,424.0, CSO: 1,449].Jul 7, 2023 · N441HS · Cessna 441 · Engine (Turbine/Turboprop)SDR 3SVA202212080001Bulkhead · crackedLOWER CABIN BULKHEAD AT FS 235.75 FOUND CRACKED IN LIGHTENING HOLE ON THE RIGHT SIDE AT FLOOR LEVEL. DUE TO COMPLEXITY OF BENDS AND SHAPE OF FORMED METAL, IT WAS NECESSARY TO REMOVE AND REPLACE THE BULKHEAD WITH USED, SERVICEABLE UNITDec 8, 2022 · N318AK · Cessna 441 · Fuselage Main, BulkheadSDR 3SVA05072022Bolt · brokenDURING ROUTINE CLEANING AND GENERAL CARE OF THE AIRCRAFT IN THE HANGAR, A RAMP ATTENDANT NOTICED ONE OF THE CLAMPS SECURING THE TAXI LIGHT HARNESS TO THE AFT DRAG BRACE ASSEMBLY WAS LOOSE. IT IS NORMALLY SECURED TO THE NAS 464 BOLT THAT ATTACHED THE FORWARD AMay 7, 2022 · N441SK · Cessna 441 · Landing Gear Retraction/Extension SystemSDR 2021FA0000404Oil Filter · brokenDURING ROUTINE 100 HOUR ENGINE MAINTENANCE, FOUND OIL FILTER ON RIGHT ENGINE PARTIALLY SEPARATED.Dec 14, 2021 · N441X · Cessna 441 · Oil ServicingSDR 3SVA2021F00069Circuit Breaker · failedDURING TAXI-OUT FROM BASE, CAPT. NOTED SMOKE EMITTING FROM LIGHT SWITCH AREA AT THE LOWER LH CONSOLE. THEY TAXIIED BACK HOME BASE UNEVENTFULLY AND HANDED OVER THE AIRCRAFT TO MAINTENANCE. IT WAS IMMEDIATELY APPARENT THAT THE RH STROBE LIGHT CIRCUIT BREAKER SJul 3, 2021 · N11MM · Cessna 441 · Light System WiringSDR 3SVA20210402001Connector · shortedRT ENGINE TQ, EGT, AND FF OSCILLATIONS. DECLARED EMERGENCY AND RETURNED TO BASE WITHOUT INCIDENT. MX FOUND CHAFFING WIRES AT EGT COMPENSATOR CONNECTOR. REPAIRED WIRING, PERFORMED GROUND RUNS FOR PERFORMANCE WITH NO DEFECTS AND RETURNED AIRCRAFT TO SERVICE.Apr 2, 2021 · N318AK · Cessna 441 · Engine Indicating System WiringSDR 3SVA20210303001Gcu · unknownDURING A ROUTINE TRAINING FLIGHT THE LEFT ENGINE WAS SHUTDOWN PER AFM PROCEDURES. THE LEFT BUS CURRENT LIMITER FAILED OPEN AT SOME POINT, RESULTING IN LOSS OF LEFT BUS POWER AND THE INABILITY TO RESTART THE ENGINE DUE TO NO POWER ON THE LEFT BUS. THE CREW DEFeb 28, 2021 · N128EZ · Cessna 441 · DC Generating SystemSDR 3SVA20190607001Line · contaminatedPILOT SIDE ALTIMETER, VSI, AND AIR SPEED INDICATOR, AND ALTITUDE REPORTING SYSTEM EXPERIENCED UNRELIABLE/INACCURATE INDICATIONS. THE PROBLEM WAS FOUND TO BE MOISTURE (FREEZING) IN THE PILOTS SIDE STATIC SYSTEM LINE LOCATED IN THE BELLY OF THE AIRCRAFT. OF NOJun 4, 2019 · N441BD · Cessna 441 · Pitot/Static SystemSDR 3SVA20190425001Push-Pull Rod · corrodedDUE TO AGING AIRCRAFT CONCERNS THIS OPERATOR HAS EMBARKED ON A FLEET CAMPAIGN TO REMOVE THE ELEVATOR PUSH PULL TUBES FROM THE C441 AIRCRAFT AND SEND THEM OUT FOR AN XRAY INSPECTION. WE HAVE PERFORMED INSPECTIONS ON FOUR TUBES P/N 5815144-204 (ORIGINAL P/N 581Apr 25, 2019 · Cessna 441 · Elevator Control SystemSDR 3SVA20180709001Wire · brokenDURING APPROACH TO LAND AFTER SELECTING GEAR DOWN AND COMPLETION OF THE CYCLE, THE NOSE GEAR DOWNLOCK GREEN INDICATOR LAMP FAILED TO ILLUMINATE. THE IN TRANSIT LIGHT WAS EXTINGUISHED AND THE NOSE GEAR WAS VISIBLE IN THE DOWN POSITION IN THE VIEWING MIRROR. LJul 6, 2018 · N441BD · Cessna 441 · Landing Gear System WiringSDR 3SVA2017082200001Hsi · spinningDURING CLIMB OUT, COPILOTS HSI STARTED SPINNING RAPIDLY. RETURNED TO BASE.Aug 22, 2017 · N441DK · Cessna 441 · Independent InstrumentsSDR 3SVA2017061300001Lamp · burned outON TAXI TO TAKE-OFF, ENGINE IGNITION ON LIGHT BURNED OUT. AIRCRAFT RETURNED TO THE BLOCK, RELAMPED LIGHT AND RELEASED AIRCRAFT.Jun 13, 2017 · N441SK · Cessna 441 · Instrument PanelSDR YN8R03172017MCDoubler · crackedWHILE PERFORMING A PHASE 35 INSPECTION, NOSE GEAR ATTACHMENT & WHEEL WELL STRUCTURE INSPECTION FOUND DOUBLER CRACKED AROUND L/H AFT ATTACH POINT FOR NOSE GEAR DRAG BRACE. MATCH DRILLED AND INSTALLED NEW DOUBLER IAW MM 51-30-01, REV. 16Mar 8, 2017 · Cessna 441 · Fuselage Main, StructureSDR 2017FA0000378Line · failedHYDRAULIC LINE, HIGH PRESSURE, OPERATES LANDING GEAR AND FLAPS. THIS OPERATOR HAS SEEN THIS SAME HARD HYDRAULIC LINE FAIL, HIGH PRESSURE LEAK , ON OTHER C441 ACFT ALONG WITH OTHER HYDRAULIC LINES AFT OF FIRE WALL.Feb 3, 2017 · N716SM · Cessna 441 · Hydraulic System, MainSDR 3SVA2017013000001Wire · shortedRT ENGINE TORQUE INDICATOR WENT TO REDLINE ON TAKEOFF CAUSING THE ENGINE COMPUTER TO REDUCE POWER BECAUSE IT SENSED AN OVER TORQUE SITUATION. THE INDICATION WAS FAULTY AND THERE WAS NOT AN OVER TORQUE ISSUE. INSPECTION OF THE WIRES AT THE TORQUE TRANSDUCER REVJan 28, 2017 · N441DK · Cessna 441 · Engine Indicating System WiringSDR YN8R201606220001Elt · failedELT FAILED DURING ANNUAL TEST. BATTERY WAS WITHIN LIFE LIMITS. REPLACED WITH ELT 1000.Jun 22, 2016 · N441EC · Cessna 441 · Emergency Locator BeaconSDR YN8R20160308002Tee Fitting · crackedWHILE COMPLYING WITH PHASE 35 OF THE MM AND SID 32-20-01, ON THE RT SIDE OF THE NOSE WHEEL WELL JUST AFT OF THE DRAG BRACE ATTACHMENT, WE FOUND THE RT TEE, PN 5213028-15 TO HAVE A 1" CRACK THROUGH THE UPPER RIVET AND EXTENDING TO THE NEXT RIVET THAT ATTACHES TMar 8, 2016 · N441LA · Cessna 441 · Fuselage, Landing Gear Attach FittingsSDR YN8R20160308001Tee Fitting · shearedWHILE COMPLYING WITH PHASE 35 OF THE MM INSPECTION PROGRAM AND SID 32-20-01, ON THE LT SIDE OF THE NOSE WHEEL WELL JUST AFT OF THE DRAG BRACE ATTACHMENT, WE FOUND THE LT BRACKET, PN 5213028-200 TO HAVE ALL 3 RIVETS SHEARED THAT ATTACH THE BRACKET TO THE GUSSETMar 8, 2016 · N441LA · Cessna 441 · Fuselage, Landing Gear Attach FittingsSDR IGXR20151124001Line · splitDURING THE CLIMB, THE PILOT NOTICED HYDRAULIC QUANTITY WARNING FLASHING AT FIRST, THEN BECOMING STEADY. HYDRAULIC LEVEL DROPPED TO ZERO. ACFT RETURNED BACK TO THE AIRPORT, GEAR WAS EMERGENCY EXTENDED SAFE LANDING WAS MADE. MAINTENANCE PERSONNEL INVESTIGATED TNov 20, 2015 · N441WD · Cessna 441 · Hydraulic System, MainSDR DSCR20151005001Relief Valve · fracturedDURING CRUISE PHASE OF FLIGHT, THE RT ENG EXPERIENCED LOSS OF FUEL PRESS. PILOT SHUT THE RT ENG DOWN, CONTACTED ATC & WAS DIVERTED. TECHNICIANS INSPECTED THE ENG & FOUND THE CAP HAD SEPARATED FROM THE HIGH PRESS RELIEF VLV, WHICH RESULTED IN THE LOSS OF FUELSep 24, 2015 · N14FJ · Cessna 441 · Engine Fuel PumpSDR H5GR2015FA0000007Skin · crackedFOUND MULTIPLE CRACKS, ONE TO FOUR INCHES LONG, IN ELEVATOR T/E SKIN, ON BOTTOM SIDE WHERE SKIN JOINS FWD SKIN. UPON REMOVING SKIN WHERE SKIN JOINS FWD SKIN. UPON REMOVING SKIN FOR REPLACEMENT, FOUND REAR/AUX SPAR CRACKED AT OUTBD END WHERE SPAR ATTACHES TO Dec 24, 2014 · N711MB · Cessna 441 · Elevator, Plate/SkinSDR FEHR2015FA0000030Bypass Valve · leakingWHILE TROUBLESHOOTING THE LT BETA LIGHT SYSTEM, FOUND FUEL LEAKING FROM THE LT ENGINE FUEL CONTROL BYPASS VALVE, DUMPING FUEL ONTO THE HOT SECTION OF THE ENGINE. THE FUEL CONTROL WAS REMOVED AND SENT TO MFG FOR OVERHAUL.Dec 1, 2014 · N441G · Cessna 441 · Fuel Control/Turbine EnginesSDR YN8R2014111900001Control Cable · brokenDURING INSPECTION PHASE 51, UP ELEVATOR CABLE, PN 5815103-6 WAS FOUND TO HAVE 3 COMPLETE STRANDS BROKEN. LOCATION OF THE BREAKS IS UNDER THE PULLEY, PN S378-4 AT FS 292.05. THE PULLEY WAS INSPECTED AND IT WAS FOUND TO BE FREE ROLLING. NO OBVIOUS MECHANICAL Nov 18, 2014 · N441LA · Cessna 441 · Elevator Control SystemSDR BGJA20141118001Door Frame · crackedWE LOCATED A CRACK OF THE LOWER CABIN DOOR AFT PART OF THE DOOR FRAME NEAR THE DOOR HINGE. LOCATED AT STATION 270. THE CRACK IS ROUGHLY 2 INCHES IN LENGTH ALONG THE CTR LINE OF THE RADIUS OF THE FRAME BEND. THESE CRACKS APPEAR ON THE DOOR FRAMES DUE TO HOW Nov 13, 2014 · N441CT · Cessna 441 · Passenger/Crew DoorsSDR 3SVA2014072100001Filter · cloggedDURING TAXI FOR TAKEOFF, LT ENGINE FUEL COMPUTER TRIPPED OFFLINE. THE ENGINE RPMS THEN BEGAN TO DECAY AND THE LT GENERATOR DROPPED OFF LINE. PILOT SHUTDOWN THE ENGINE, PERFORMED A RESTART AND RETURNED TO BASE.Jul 21, 2014 · N441BD · Cessna 441 · Fuel Control/Turbine EnginesSDR CA140818002Transducer · erratic(CAN) ERRATIC TORQUE INDICATION DURING FLIGHT.Jun 4, 2014 · Cessna 441 · Engine BMEP/Torque IndicatingSDR 3SVA20131119001Connector · shortedRIGHT ENG WOULD NOT START. START CONTROL CB POPPED, SHORT FOUND IN THE PRIMARY FUEL NOZZLE SOLENOID CONNECTOR. REPLACED SAME, OPERATIONS CHECKED GOOD.Nov 19, 2013 · N441DK · Cessna 441 · Engine Fuel System WiringSDR 5XWR201307110363Structure · misoverhauledPERFORMED A PHASE 2, 3, & D, TASK A361004, BLEED AIR LINE EXHIBITED CORROSION WHERE ITS FLANGE FASTENS TO THE FUSELAGE SKIN BS 187.87 RBL 27, AND WL 62.79. ON DISASSEMBLY, FLANGE TO FUSELAGE JOINT FOUND WITH HEAVY DISSIMILAR METAL CORROSION. INVESTIGATION Jul 11, 2013 · N440DA · Cessna 441 · Fuselage Main, StructureSDR 2013FA0000325Engine · failedRIGHT ENGINE EGT INCREASED. FIRE LIGHT ACTIVATED AND THEN PERFORMED EMERGENCY SHUTDOWN PROCEDURES.Apr 28, 2013 · N6851X · Cessna 441 · Engine (Turbine/Turboprop)SDR CA130425002Line · split(CAN) HYDRAULIC LINE HAS SMALL SPLIT, NOT VISIBLE TO NAKED EYE, BUT SHOWS UP WHEN UNDER PRESSURE.Apr 23, 2013 · Cessna 441 · Hydraulic System, MainSDR YN8R20130404001Link · corrodedDURING PHASE 53 INSPECTION, FOUND BOTH TRAIING LINK PIVOT HOLES CORRODED BEYOND LIMITS. LEVEL 2 CORROSION FOUND. LAST PHASE 53 INSPECTION 3 YEARS AGOApr 4, 2013 · N456GT · Cessna 441 · Main Landing Gear Strut/Axle/TruckSDR YN8R201304040001Link · corrodedDURING PHASE 53 INSPECTION, FOUND BOTH TRAILING LINK PIVOT HOLES CORRODED BEYOND LIMITS. LEVEL 2 CORROSION FOUND. LAST PHASE 53 INSPECTION 3 YEARS AGO.Apr 4, 2013 · N456GT · Cessna 441 · Main Landing Gear Strut/Axle/TruckSDR LHO2013F00000Bellcrank · deformedTHE NOSE GEAR TRAPEZE (BELLCRANK) BECAME DEFORMED, PROBABLY FROM THE GEAR DOOR RETRACT RAMP DURING RETRACTION. THE NOSE UNSAFE LIGHT REMAINED ILLUMINATED AND EXTENTION WAS SELECTED. 3 GREENS AND DOWNLOCK WERE ACHIEVED AND AN UNEVENTFUL LANDING FOLLOWED. BOTMar 29, 2013 · N716SM · Cessna 441 · Nose/Tail Landing GearSDR POSA2013080900001Bracket · crackedCRACK FOUND ON LT NLG DOOR FORWARD RETRACT BRACKET AT RETRACT ROD ATTACHING BOLT LOCATION. CRACK WAS FOUND DURING PRE-FLIGHT INSPECTION.Mar 16, 2013 · N771XW · Cessna 441 · Landing Gear DoorsSDR 2013FA0000065Pump · leakingPILOT NOTICED A "LOW HYDRAULIC FLOW" ANNUNICATOR LAMP WAS ILLUMINATED AND DEVERTED TO GET MX SERVICE. TECHS FOUND RT ENGINE DRIVEN HYD PUMP LEAKING, HYD FLUID AT A LOW RATE. THEY DID NOT KNOW HOW LONG THIS CONDITION EXISTED. R & R THE HYD PUMP AND SYS TESTEDJan 30, 2013 · N599AS · Cessna 441 · Hydraulic Pump (Electric/Engine), MainSDR YN8R201301152013Lug · crackedCRACK FOUND IN AFT RADIUS OF OTBD ACTUATOR LUG DURING EDDY CURRENT INSPECTION IAW PHASE 24 INSPECTION. PREVIOUSLY INSPECTED BY EDDY CURRENT 27.2 HOURS PRIOR.Jan 14, 2013 · N441LA · Cessna 441 · Fuselage Main, Attach FittingsSDR 2012FA0000771Line · crackedPILOT NOTED HEAVY AMOUNTS OF HYD FLUID AROUND RT GEAR WELL AREA AND T/E OF RT INBD FLAP DURING HIS POST FLIGHT INSP. ACFT TECHS FOUND A HYDRAULIC LINE SPLIT IN A DRY BAY LOCATED JUST AFT OF RT ENG FIREWALL. HYD LINE APPEARED TO BE IN GOOD CONDITION WITH NO SNov 8, 2012 · N441BW · Cessna 441 · Hydraulic System, MainSDR 3SVAN441BD91912Engine · flamed outRIGHT ENGINE FLAMED OUT ON CLIMBOUT OF ANC. PLIOT SECURED THE ENGINE AND RETURNED TO BASE.Sep 18, 2012 · N441BD · Cessna 441 · Engine (Turbine/Turboprop)SDR SIMA2012055010Light · inoperativeDURING MAINTENANCE INSPECTION FOUND THE LT WING NR 2 OVERWING EMERGENCY LIGHT OUT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED LT WING NR 2 OVERWING EMERGENCY LIGHT ASSY IAW EMB AMM 33-50-10, OPERATIONAL CHECK GOOD. THE AIRCRAFT WAS RETURNEDFeb 23, 2012 · N689AE · Cessna 441 · Emergency LightingSDR 3SVA20111228001Door Seal · collapsedDURING CLIMBOUT AIRCRAFT WOULD NOT PRESSURIZE. RETURNED TO BASE.Dec 28, 2011 · N102NA · Cessna 441 · DoorsSDR CA110629005Bellcrank · crackedFOUND CRACK IN BELLCRANK DURING CORROSION INSPECTION, REPLACED BELLCRANK WITH NEW.Jun 24, 2011 · Cessna 441 · Landing Gear Door Retract SectionSDR YN8RSVC12620Hinge Fitting · brokenUPON VISUAL INSPECTION, DURING POST FLIGHT, AFTER EXITING ACFT FOUND LOWER LT CABIN DOOR HINGE BROKEN. FURTHER INVESTIGATION FOUND RT LOWER DOOR HINGE CRACK FREE (EDDY CURRENT INSPECTION). THESE PARTICULAR HINGES ARE REQUIRED TO BE REPLACED IAW CQB98-09 WITHIJun 8, 2011 · N711MB · Cessna 441 · Passenger/Crew Doors
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