Cessna 441

Service difficulty reports · 516

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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 aircraft_model_key = '441'
  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 AUS20040183Pipe · cracked(AUS) HYDRAULIC PIPE CRACKED AND LEAKING. LOSS OF HYDRAULIC FLUID. PIPE IS LOCATED IN RT WING LEADING EDGE. INVESTIGATION FOUND TOOLING MARKS ON THE PIPE IN THE AREA OF THE PIPE BEND.Mar 8, 2004 · Cessna 441 · Hydraulic System, MainSDR AUS20040128Switch · out of adjust(AUS) LT MAIN LANDING GEAR UPLOCK SWITCH OUT OF ADJUSTMENT. MICROSWITCH WAS SWITCHING OFF LOADING VALVE BUT NOT THE IN TRANSIT LIGHT. INVESTIGATION FOUND SOME WEAR IN THE SWITCH WHICH AFFECTED ADJUSTMENT.Feb 24, 2004 · Cessna 441 · Landing Gear Position and WarningSDR W6N2004F00000Line · crackedWHILE ON ROLL OUT PILOT REPORTED HYDRAULIC FLOW ENUNCIATOR CAME ON AIRCRAFT CIRCLED AROUND AND TAXIED UP TO REPAIR STATION AND MECHANICS FOUND CRACKED HYDRAULIC LINE ON THE RADIUS OF A BEND ON THE LINE.Feb 23, 2004 · N441LS · Cessna 441 · Hydraulic System, MainSDR CA040412004Tube · cracked(CAN) DURING FLIGHT THE CREW NOTICE AN INTERMITENT WING O/H WARNING. MAINTENANCE WAS CONTACTED AND THE AIRCRAFT INSPECTED. INSPECTION REVEALED A CRACK IN BLEED AIR TUBE PN 5715310-25. THE TUBE WAS REPLACE. THERE WAS NO RESULTING DAMAGE FROM THE BLEED AIR LEAK.Feb 21, 2004 · Cessna 441 · Airfoil Anti/De-ice SystemSDR CA040303003Tube · cracked(CAN) DURING FLIGHT THE CREW NOTICE AN INTERMITENT WING O/H WARNING. MAINTENANCE WAS CONTACTED AND THE AIRCRAFT INSPECTED. INSPECTION REVEALED A CRACK IN BLEED AIR TUBE PN 5715310-25. THE TUBE WAS REPLACE. THERE WAS NO RESULTING DAMAGE FROM THE BLEED AIR LEAK.Feb 21, 2004 · Cessna 441 · Airfoil Anti/De-ice SystemSDR CA040220007Valve · failed(CAN) DURING THE CLIMB THE AIRCRAFT EMERGENCY PRESSURIZATION VALVE OPENED WITH OUT BEING SELECTED. THE CREW DEPRESSURIZED THE AIRCRAFT AND RETURNED TO BASE. THE EMERGENCY PRESSURIZATION VALVE WAS REPLACED AND THE AIRCRAFT SYSTEMS FUNCTION CHECKED SERVICABLEFeb 18, 2004 · Cessna 441 · Pressure Regulator/Outflow ValveSDR AUS20040076Spar · debonded(AUS) LT WING SPAR WEB DISBONDED IN AREA LOCATED AT CWS 57.Feb 11, 2004 · Cessna 441 · Wing SparSDR G5203Control Valve · failedTHIS MLG CONTROL VALVE FOUND TO BE REASON THE MLG FAILED A SCHEDULED EMERGENCY EXTENTION CHECK. FOUND THE RETURN PORT CLOSED WHEN VALVE NOT ENERGIZED, PORT SHOULD BE OPEN IN THIS CONDITION & THIS CAUSED MLG TO HYDRO-LOCK IN UP POSITION. TEAR DOWN REVEALED ONFeb 6, 2004 · N988AE · Cessna 441 · Landing Gear Retraction/Extension SystemSDR AUS20040037Bracket · cracked(AUS) LT WING OB AILERON ATTACHMENT BRACKET CRACKED. INVESTIGATION FOUND INDICATIONS OF SURFACE INTERGRANNULAR CORROSION AND CONFIRMATION OF A CRACK LOCATED APPROXIMATELY 3.175MM (0.125IN) BEHIND THE BEARING HOUSING. CRACK LENGTH APPROXIMATELY 12.7MM (0.5IN).Jan 21, 2004 · Cessna 441 · Wing, Control Surface Attach FittingsSDR EAT2004F00001Skin · corrodedCORROSION WAS FOUND ON THE RT LEADING EDGE SKIN DURING A ROUTINE DE-ICE BOOT CHANGE. IT WAS FOUND ON THE OUTER PORTION LOWER SIDE OF THE SKIN. THE CORROSION WAS OF SUCH A DEPTH AFTER ITS REMOVAL THAT REPAIRS WERE REQUIRED. THE MOST LIKELY CAUSE IS POOR BOOTJan 19, 2004 · N6851X · Cessna 441 · Wing, Plate/SkinSDR 2004FA0000087Master Switch · destroyedAT APPROXIMATELY FIFTY MINUTES INTO THE ONE HOUR FLIGHT, THE CREW STARTED TO NOTICE SLIGHT AVIONICS PROBLEMS ON THE COPILOTS SIDE. SMOKE THEN STARTED TO EMERGE FROM THE RT AVIONICS MASTER SWITCH BREAKER. THE CREW WAS UNABLE TO PHYSICALLY TURN OFF THE SWITCH.Dec 22, 2003 · N3NC · Cessna 441 · Electrical Power SystemSDR AUS20031313Seal · leaking(AUS) RT ENGINE COMPRESSOR SEAL SUSPECT FAULTY. LEAKING OIL CAUSED SMOKE IN COCKPIT.Dec 16, 2003 · Cessna 441 · Turbine Engine Compressor SectionSDR AUS20031179Tire · deflated(AUS) RT MAIN LANDING GEAR TIRE, DEFLATED DURING LANDING ROLL.Nov 14, 2003 · Cessna 441 · TireSDR CA031117010Door · mismanufactured(CAN) WHEN LANDING GEAR WAS SELECTED UP THE RED INTRANSITE LIGHT WOULD NOT GO OUT. THE A/C WAS PLACED ON JACKS AND FOUND THE RT GEAR DOOR WAS TOO TIGHT NOT ALLOWING THE GEAR TO LOCK UP AND TURN THE INTRANSITE LIGHT OUT.Nov 12, 2003 · Cessna 441 · Landing Gear DoorsSDR AUS20031110O-Ring · deteriorated(AUS) HYDRAULIC FILTER HOUSING O-RING SEAL DETERIORATED AND LEAKING.Oct 31, 2003 · Cessna 441 · Hydraulic Filter, MainSDR L2498Spar Cap · corrodedDURING A ROUTINE INSPECTION SOME PAINT BLISTERING WAS NOTICED ALONG THE LT AFT SPAR UPPER CAP IN THE THE EXPOSED AREA OF THE LT WHEEL WELL. FURTHER INVESTIGATION REVEALED THAT THE SPAR CAP HAD SEVERE EXFOLIATION TYPE CORROSION AND WAS CAUSING THE SPAR CAP TO FOct 31, 2003 · N84LJ · Cessna 441 · Wing SparSDR CA031027006Drag Brace · cracked(CAN) WHEN COMPLYING WITH CESSNA SERVICE BULLETIN CQB91-9 FOUND CRACK AT RAM ATTACH LUG. REPLACED DRAG BRACE.Oct 17, 2003 · Cessna 441 · Nose/Tail Landing Gear Attach SectionSDR AUS20031036Rivet · loose(AUS) LT HORIZONTAL STABILIZER ELEVATOR HINGE ATTACHMENT RIVETS (3OFF) LOOSE. RIVETS WERE CHERRY-MAX TYPE. FOUND DURING INSPECTION IAW AD/CESSNA400/012 AMDT3.Sep 25, 2003 · Cessna 441 · Elevator StructureSDR 2003FA0001068Clamp · crackedREPORTED SMOKE IN COCKPIT UPON TAKEOFF. A/C RETURNED IMMEDIATELY AND PERFORMED NORMAL LANDING. INSP REVEALED A CRACKED V-BRAND CLAMP CONNECTING BLEED AIR SUPPLY LINES IN RT WING ROOT AREA ADJACENT TO SURFACE DEICE PRESSURE REGULATORS. SMOKE WAS DETERMINED TSep 24, 2003 · N441JK · Cessna 441 · Engine Bleed Air SystemSDR AUS20030971Line · cracked(AUS) HYDRAULIC LINE LOCATED IN LT WING ADJACENT TO RESERVOIR CRACKED AND LEAKING.Aug 29, 2003 · Cessna 441 · Hydraulic System, MainSDR CA030825010Seal · leaking(CAN) LT CROSSFEED VALVE WAS FOUND TO BE LEAKING (WEEPING FUEL PAST SEALS THAT FAILED. PN 15507A HAD TURNED TO A SOFT PUTTY LIKE SUBSTANCE, MS29513011 0-RINGS HAD GONE HARD. NOTE: THIS VALVE DID NOT APPEAR TO HAVE BEEN REPLACED, HENCE APPROXIMATELY 20 YEARS SAug 18, 2003 · Cessna 441 · Fuel Transfer ValveSDR E27R1730ATorque Sensor · out of positionTORQUE SENSOR MATCHED CAM TENSION NUT FOUND TO BE LOOSE CAUSING LOSS OF FUEL PUMP DRIVE AND IN-FLIGHT FLAME OUT. ENGINE TIMES ARE APPROX.Jul 25, 2003 · N441SB · Cessna 441 · Engine (Turbine/Turboprop)SDR CA030729007Starter Gen · failed(CAN) STARTER GENERATOR HAD INTERNAL FAILURE CAUSING AN ELECTRICAL SHORT CIRCUIT TO GROUND, CAUSING THE BUSS TIE TO LT BUSS CURRENT LIMITER TO BLOW, THUS CAUSING TO LT BUSS TO LOOSE ELECTRICAL POWER, NO PILOTS INSTRUMENTS. NO POWER TO OPERATE CONTROL CIRCUITS Jul 23, 2003 · Cessna 441 · Starter-GeneratorSDR CA030708005O-Ring · leaking(CAN) FIREWALL FUEL SHUT OFF VALVE FOUND TO BE LEAKING FUEL EXTERNALLY PAST HARDENED O-RING SEALS. INTERNAL LEAKAGE CAUSED BY INCORRECT SEALS WHICH HAD GONE SOFT LIKE PUTTY AND WERE BREAKING UP.Jun 24, 2003 · Cessna 441 · Fuel Selector/Shut-Off ValveSDR CA030708004Seal · leaking(CAN) FIREWALL FUEL SHUT OFF VALVE FOUND TO BE LEAKING FUEL EXTERNALLY PAST HARDENED O-RING SEALS. INTERNAL LEAKAGE CAUSED BY INCORRECT SEALS WHICH HAD GONE SOFT LIKE PUTTY AND WERE BREAKING UP.Jun 23, 2003 · Cessna 441 · Fuel Selector/Shut-Off ValveSDR AUS20030625Indicator · faulty(AUS) RT ENGINE EGT SYSTEM FAULTY. EGT INDICATOR AND EGT COMPENSATOR REMOVED AND SENT FOR INVESTIGATION/REPAIR.Jun 11, 2003 · Cessna 441 · Engine EGT/TIT Indicating SystemSDR AUS20030595Beam · cracked(AUS) BEAM WEB CRACKED. CRACK LENGTH APPROXIMATELY 25.4MM (1IN).Jun 4, 2003 · Cessna 441 · Fuselage Main, StructureSDR AUS20030552Web · cracked(AUS) BEAM WEB CRACKED. CRACK LENGTH APPROXIMATELY 25.4MM (1IN).Jun 4, 2003 · Cessna 441 · Fuselage Main, StructureSDR CA030605005Spring · broken(CAN) ON TAKEOFF ROLE AIRCRAFT LT ENGINE ONLY DEVELOPED 1,000 LBS TORQUE. AIRCRAFT RETURNED TO HANGAR. MAINT RAN AIRCRAFT IN MANUAL MODE & AIRCRAFT DEVELOPED POWER. AFTER TROUBLE SHOOTING MAINTENANCE FOUND O-SPRING BROKE IN THE THROTTLE QUADRANT AND FELL INTO May 26, 2003 · Cessna 441 · Power LeverSDR CA030708003Seal · cut(CAN) ESCAPE HATCH LEAKING RAIN WATER WHEN AIRCRAFT SITTING ON GROUND. THE RUBBER SEAL WAS CUT BY THE LIP ON THE SEAL RETAINER WHICH IS LOCATED ON FUSELAGE DOOR STRIKER.May 14, 2003 · Cessna 441 · Emergency ExitsSDR CA030708002Indicator · failed(CAN) BEARINGS VERY NOISY AND ROUGH. BUT INSTRUMENT OPERATING NORMALLY.May 5, 2003 · Cessna 441 · Autopilot SystemSDR AUS20030680Bolt · sheared(AUS) MAIN WHEEL HUB BOLT SHEARED.Apr 29, 2003 · Cessna 441 · Wheel/Ski/FloatSDR AUS20030485Bolt · missing(AUS) MAIN WHEEL BRAKE DISC RETAINING BOLTS (3OFF) MISSING AND FIVE BOLTS LOOSE.Apr 26, 2003 · Cessna 441 · Wheel/Ski/FloatSDR CA030526010Switch · intermittent(CAN) RT ENGINE EGT LIMITER NOT WORKING, REVERTED TO MANUAL, TTL. SWITCH P/N MS35059-29 WAS FAULTY. SWITCH P/N MS35059-29 WAS TAKEN APART AND FOUND TO BE CONTAMINATED. THE SWITCHES LOCATED BELOW FOUL WEATHER WINDOW WHICH MAY HAVE BEEN LT OPEN ON THE GROUND, Apr 14, 2003 · Cessna 441 · Engine EGT/TIT Indicating SystemSDR 1592SStructure · misrepairedDURING A PHASE 2, 3 & D INSPECTION, IT WAS VISUALLY DISCOVERED UPPER & LOWER RIB CAP STRUCTURE WAS MISSING AT LT WS 128.80 AS WELL AS STRINGER SPLICES WERE NOT ATTACHED TO THE WING SKIN BETWEEN LT WS 120.0 & 148.30 & THE SKIN SPLICE USED WAS THE WRONG MATERIALMar 5, 2003 · N454EA · Cessna 441 · Wing Main, Frame StructureSDR CA030318003Shaft · seized(CAN) SCAVENGE PUMP MALFUNCTIONED DUE TO SEIZER OF THE ROTOR DRIVE SHAFT IN THE BUSHING OF THE HOUSING. HONEYWELL SERVICE BULLETIN TPE331-72-2074 REV.1 ADDRESSES THIS PROBLEM BY PUMP REPLACEMENT WITH P/N 3108282-1 AND RECOMMENDS COMPLIANCE AT ENGINE OVERHAUL OMar 4, 2003 · Cessna 441 · Turbine Engine Oil SystemSDR CA030421010Bearing · failed(CAN) STARTER GEN WAS HAVING NEW BRUSHES SEATED AT MID-TBO USING GEN DRIVESTAND METHOD.APPRX 3 HRS INTO THE PROCESS, THE ANTI-DRIVE END BEARING FAILED COMPLETELY. 5 OF 8 BALLS DISINTEGRATED,AS DID THE CAGE.DAMAGE WAS SUSTAINED TO THE ARMATURE, STATOR, FAN ANDDec 21, 2002 · Cessna 441 · Starter-GeneratorSDR CA021202001Display · failed(CAN) MOMENTARY INTERMITTENT FAILURE IN DESCENT. 'DPU FAILURE' MESSAGE WOULD BE SHOWN. AND IAT WOULD SHUTDOWN, THEN COME BACK ON LINE. NOTE: THIS IS THIRD TIME UNIT. HAS BEEN REMOVED AND SENT TO MANUFACTURER. MANUFACTURER HAS BEEN UNABLE TO DUPLICATE THE PROBLNov 22, 2002 · Cessna 441 · Integrated Flight SystemSDR CA021120004Bracket · cracked(CAN) DURING A SCHEDULED INSPECTION, THE NOSE LANDING GEAR ACTUATOR ATTACH BRACKETS WERE FOUND TO BE CRACKED.Nov 16, 2002 · Cessna 441 · Landing Gear ActuatorSDR CA021115022Mount · broken(CAN) UPON ENGINE COWLING REMOVAL DURING A SCHEDULED MAINTENANCE EVENT THE O/B UPPER ENGINE MOUNT TRUSS TUBE WAS FOUND BROKEN.Nov 11, 2002 · Cessna 441 · Engine Mount SectionSDR AUS20021376Valve · failed(AUS) EMERGENCY PRESSURISATION VALVE FAILED.Nov 6, 2002 · Cessna 441 · Pressure Regulator/Outflow ValveSDR CA021010007Switch · shorted(CAN) THERMAL SWITCH FAILED ON ACM COMPRESSOR DISCHARGE CAUSING AN AUTOMATIC SHUTOFF OF BOTH BLEED AIR TO AIR CYCLE MACHINE. EMERGENCY PRESSURIZATION AUTOMATICALLY TURN ON WITH ANNUNCIATOR LIGHT ON PANEL.HOT AIR FROM BLEED AIR AND SMOKE FROM DUST IN DUCT CAME Sep 28, 2002 · Cessna 441 · Cabin Compressor SystemSDR AUS20021101Bearing · worn(AUS) RT MAIN LANDING GEAR UPLOCK HOOK WORN ON PIVOT SHAFT AND BEARING.Sep 19, 2002 · Cessna 441 · Landing Gear Retraction/Extension SystemSDR CA021202003Transponder · failed(CAN) INTERMITTENT FAILURE, DISPLAY UNITS WOULD GIVE ----- OR 8888 INSTEAD OF CORRECT SPEED OR DISTANCE DISPLAY. NOTE: 2 CAUSES WERE FOUND: (1) INTERMITTENT FAILURE OF IL IN THE DME 40 UNIT. (2) GNS 530 CHANNELING WAS INCORRECTLY PROGRAMED CAUSING THE DME NOSep 17, 2002 · Cessna 441 · DME/TACAN SystemSDR CA030127002Indicator · failed(CAN) AVIONICS DEPARTMENT FOUND ELECTRIC TURN & BANK 'HOT' WHILE RUNNING. THEY WERE WORKING UNDER INSTRUMENT PANEL. TURN & BANK FUNCTIONING NORMALLY. REPLACED UNIT BEFORE IMPENDING FAILURE.Sep 11, 2002 · Cessna 441 · Turn and Bank/Rate of Turn IndicatorSDR 2002FA0001161Line · crackedHYDRAULIC LINE FAILED DURING FLIGHT AND AIRCRAFT LOST ALL HYDRAULIC PRESSURE. LANDING GEAR WAS EXTENDED BY EMERGENCY BLOW DOWN BOTTLE. LINE IS ON LEFT SIDE, AFT OF FIREWALL BETWEEN FILTER AND FLOW VALVE. FAILURE APPEARS TO BE MANUFACTURER DEFECT.Sep 5, 2002 · N30832 · Cessna 441 · Hydraulic System, MainSDR AUS20021305Solenoid · leaking(AUS) LT ENGINE PRIMARY-ONLY SOLENOID LEAKING FROM VALVE BODY.Aug 28, 2002 · Cessna 441 · Engine Fuel DistributionSDR AUS20020943Boot · split(AUS) LEADING EDGE DE-ICE BOOT SPLIT LONGITUDINALLY.Aug 19, 2002 · Cessna 441 · Airfoil Anti/De-ice SystemSDR L2232Rib · crackedDURING A SCHEDULED INSPECTION, IT WAS NOTED THAT THE RIGHT WING CENTER SECTION CANTED RIB CAP P/N: 5722206-2 (LCWS 26.85") HAD A CRACK ALONG THE BEND RADIUS AFT OF THE CENTER WING MAIN SPAR (FS 177.45") AND EXTENDING APPROXIMATELY 1" AFT OF THE SPAR. AFTER REMAug 5, 2002 · N666HC · Cessna 441 · Wing, Rib/BulkheadSDR L2240Rib · crackedDURING A SCHEDULED INSPECTION, IT WAS NOTED THAT THE LEFT WING CENTER SECTION CANTED RIBCAP P/N: 5722206-1 (LCWS 26.85 INCH) HAD A CRACK ALONG THE BEND RADIUS AFT OF THE CENTER WING MAIN SPAR (FS 177.45 INCH) AND EXTENDING APPROXIMATELY 1INCH AFT OF THE SPAR. Aug 5, 2002 · N666HC · Cessna 441 · Wing, Rib/Bulkhead
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