Cessna 421A

Service difficulty reports · 31

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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 = '421A'
  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 2014FA0000615Trunnion · failedTHE RT MAIN GEAR COLLAPSED DUE TO A BROKEN LANDING GEAR OVER-CENTER DOWNLOCK AND THAT THE LANDING GEAR EXTENSION/RETRACTION TORQUE TUBE HAD CAUSED AN OVERLOAD CONDITION ON ITS MOUNTING/PIVOT BOSS ON THE RT MLG. THIS OVERLOAD CONDITION MAY HAVE BEEN CAUSED BY May 24, 2014 · N936U · Cessna 421A · Fuselage, Landing Gear Attach FittingsSDR 2013FA0000425Bolt · shearedLEFT MAIN GEAR COLLAPSED ON LANDING ROLLOUT, PIC ADVISED 3 GREENS ON APPROACH, NORMAL LANDING UNTIL ACFT SETTLED ON GEAR AND LT SIDE COLLAPSED. WINDS LIGHT. ACFT PULLED LEFT INTO GRASS AND STRUCK LIGHTS AND POLE. LEFT ENGINE PROP SHOWS CURLED TIPS DUE TO GRMay 1, 2013 · N216WA · Cessna 421A · Landing Gear Retraction/Extension SystemSDR 2013FA0000358Bolt · shearedLEFT MAIN GEAR COLLAPSED ON LANDING. PIC ADVISED 3 GREENS ON APPROACH, NORMAL LANDING UNTIL ACFT SETTLED ON GEAR AND LEFT SIDE COLLAPSED. WINDS LIGHT, ACFT PULLED LEFT INTO GRASS AND STRUCK LIGHTS AND POLE. LEFT ENGINE PROP SHOWS CURLED TIPS DUE TO GROUND SMay 1, 2013 · N216WA · Cessna 421A · Landing Gear Retraction/Extension SystemSDR CA110804002Pin · crackedPROPELLER INSTALLED AS NEW ON AUG.8,2003. UPON ENGINE SHUTDOWN THE PROPELLER WOULD NOT LATCH AND TRAVELLED TO THE FULL FEATHER POSITION. WHEN THE CYLINDER WAS REMOVED IT WAS FOUND THAT THE LATCH PINS HAD FAILED.Jul 29, 2011 · Cessna 421A · Propeller AssemblySDR D382008F00000Thru Bolt · broken22.2 HOURS AFTER INSTALLING AN OVERHAULED (ALV9510) ALTERNATOR, THE PILOT CAME TO ME ABOUT A THRU BOLT THAT WAS COMING OUT OF THE ALTERNATOR CASE. THERE WAS ONE THRU BOLT STICKING OUT OF THE CASE AND ANOTHER HAD COME OUT AND WAS GONE. THE ALTERNATOR WAS CHARGIAug 29, 2008 · N421RM · Cessna 421A · DC Generator-AlternatorSDR 01676201Bolt · failedLANDING GEAR COLLAPSED DURING ROLLOUT AFTER LANDING. UPON INSPECTION IT WAS NOTED THAT A BOLT CONNECTING THE DOWNLOCK BELLCRANK TO THE UPPER STRUT ASSEMBLY HAD FAILED. THE BOLT HEAD WAS MISSING ALLOWING ALL OF THE FORCE FROM THE BELLCRANK TO BE APPLIED DIRECTLJun 21, 2006 · N216WA · Cessna 421A · Main Landing Gear Strut/Axle/TruckSDR 2006FA0000626Cable · shortedDURING STARTING OF LT ENGINE, SMOKE WAS OBSERVED COMING FROM THE LOUVERS ON TOP OF THE LT ENGINE. THE ENGINE WAS SHUTDOWN AND THE SMOKE SUBSIDED. INSP REVEALED THAT THE 2-GAUGE STARTER AND ALTERNATOR POWER CABLES WERE BURNED IN HALF NEAR THE TURBOCHARGER. FJun 12, 2006 · N99VK · Cessna 421A · Electrical Power System WiringSDR 000Bolt · departedWHILE TAXING TO PARK THE RT MLG LINK ASSEMBLY BOLT CAME OUT CAUSING THE UPPER AND LOWER LINKS TO SEPERATE. THE RT LANDING GEAR TURNED 90 DEGREES BENDING THE GEAR DOOR COVER.Mar 31, 2006 · N849JB · Cessna 421A · Main Landing Gear Strut/Axle/TruckSDR CA040105004Strut · cracked(CAN) LT MAIN LANDING GEAR COLLAPSED UPON TOUCH-DOWN WITH ALL 3 GREEN LIGHTS ON. FOUND DOWN LOCK ARM BROKEN AWAY FROM LUG ON TOP END OF STRUT. LOCK ARM NORMALLY HOLDS SIDE BRACE IN PLACE AND ACTUATES DOWN SWITCH. REPLACED COMPLETE MAIN LANDING GEAR ASSEMBLY Dec 16, 2003 · Cessna 421A · Main Landing Gear Strut/Axle/TruckSDR 2003F00283Gear · brokenREMOVED RIGHT INOPERATIVE ALTERNATOR FOR REPAIR AND NOTED. CRANKCASE DAMAGED, ALTERNATOR FACE GEAR, BROKEN AND LOOSE. FACE GEAR ATTACH BOLTS, DAMAGED AND LOOSE. (M)Apr 1, 2003 · N421A · Cessna 421A · Reciprocating Engine Power SectionSDR CA030210003Windshield · failed(CAN) WHILE CLIMBING TO FL190, AT APPROXIMATELY FL180 THE COPILOTS WINDSCREEN DEPARTED THE AIRCRAFT RESULTING IN INSTANTANEOUS DECOMPRESSION. OTHER COCKPIT ITEMS ALSO DEPARTED IE, GLARE SHIELD, SUN VISOR DOCUMENTS ETC. AIRCRAFT EMERGENCY DESCENDED TO FL110, REJan 13, 2003 · Cessna 421A · Flight Compartment WindowsSDR CA030116003Shaft · broken(CAN) ON DEPARTURE, ENGINE START RT ENGINE NO ROTATION. PILOT CALL MAINTENANCE. MAINTENANCE FOUND THAT STARTER CLUTCH WAS LOOSE. DISMANTLE, FOUND BAD GEAR ON SHAFT THAT IS RUNNING ON CRANKSHAFT GEAR. ENGINE REMOVED AND SEND TO REPAIR SHOP.Jan 13, 2003 · Cessna 421A · Engine StarterSDR 20000523SH021Link · separatedTHE LINK SEPARATED IN THE THREADED AREA WHERE IT ENTERS THE ROD-END IN THE LINK ASSY. THIS IS PART OF BELLCRANK 5041001-2. THE FAILURE CAUSED THE RIGHT MAIN GEAR TO COME OUT OF OVERCENTER IN THE DOWN POSITION AND THEN COLLAPSE. (X)Apr 13, 2000 · N2989Q · Cessna 421A · Landing Gear Retraction/Extension SystemSDR 98ZZZX4571Shaft Gear · brokenGEARS ON SHAFT GEAR BROKEN OFF WHICH CAUSED SHAFT GEAR TO DAMAGE CASE WHERE PILOT BEARING GOES.Nov 15, 1998 · N200CH · Cessna 421A · Starter-GeneratorSDR EY2R9601443Piston Rod Assy · wornPROP PISTON ROD ASSY WORNMar 1, 1996 · Cessna 421A · Propeller AssemblySDR EY2R9601441Piston Rod Assy · wornPROP PISTON ROD ASSY WORNMar 1, 1996 · Cessna 421A · Propeller AssemblySDR EY2R9600447Hub · corrodedHUB FOUND WITH CORROSION.Mar 1, 1996 · Cessna 421A · Propeller Hub SectionSDR EY2R9600446Nut · corrodedNUT CORRODED.Mar 1, 1996 · Cessna 421A · Propeller AssemblySDR EY2R9600445Retain Bearing · corrodedRETAIN BEARING CORRODED.Mar 1, 1996 · Cessna 421A · Propeller AssemblySDR EY2R9600444Dowel · corrodedDOWEL CORRODED.Mar 1, 1996 · Cessna 421A · Propeller AssemblySDR EY2R9600443Cylinder Pin · corrodedCYLINDER PIN FOUND CORRODED.Mar 1, 1996 · Cessna 421A · Propeller AssemblySDR EY2R9600442Blade · corrodedBLADE, SN B16100YS, FOUND CORRODED.Mar 1, 1996 · Cessna 421A · Propeller Blade SectionSDR EY2R9600441Hub · corrodedCORROSION FOUND ON HUB.Mar 1, 1996 · Cessna 421A · Propeller Hub SectionSDR EY2R9600440Nut · corrodedNUT CORRODED.Mar 1, 1996 · Cessna 421A · Propeller AssemblySDR EY2R9600439Ferrule · corrodedCORROSION FOUND ON FERRULE.Mar 1, 1996 · Cessna 421A · Propeller AssemblySDR 96ZZZX798Quill Shaft · failedLEFT ENGINE QUIT ON CLIMB-OUT. PROP FEATHERED AIRCRAFT, MADE SAFE LANDING. FOUND HOLE IN CASE UNDER INTERCOOLER FROM FAILED CONNECTING ROD. PROP TURNS FREELY. ENGINE NOT TORN DOWN AT THIS DATE. SUBMITTER SUSPECTS QUILL SHAFT FAILED ALLOWING ENGINE TO OVERJan 26, 1996 · N200CH · Cessna 421A · Reciprocating Engine Rear SectionSDR 96ZZZX179Bearing · failedPILOT REPORTED LOWER OIL PRESSURE, RT ENGINE. TROUBLESHOT TO BROKEN TOOTH ON STARTER ADAPTER SHAFT AND FAILED BEARING IN CRANKCASE. BEARING SUPPORT WAS OVERSIZED, FILLING ENGINE OIL SYSTEM WITH METAL. NO PREVIOUS INDICATION OF C/W TCM CSB NR 94-4 COULD BE FNov 30, 1995 · N2219Q · Cessna 421A · Reciprocating Engine Rear SectionSDR 96ZZZX178Shaft Tooth · brokenPILOT REPORTED LOWER OIL PRESSURE, RT ENGINE. TROUBLESHOT TO BROKEN TOOTH ON STARTER ADAPTER SHAFT AND FAILED BEARING IN CRANKCASE. BEARING SUPPORT WAS OVERSIZED, FILLING ENGINE OIL SYSTEM WITH METAL. NO PREVIOUS INDICATION OF C/W TCM CSB NR 94-4 COULD BE FNov 30, 1995 · N2219Q · Cessna 421A · Reciprocating Engine Rear SectionSDR 95ZZZX5928Shaft · shearedAIRCRAFT ARRIVED AT FBO WITH RIGHT ALTERNATOR PROBLEM. REPAIRED RIGHT ALTERNATOR. WHEN AIRCRAFT START ATTEMPTED, LEFT STARTER FOUND TO HAVE SHEARED THROUGH-BOLT. NEW STARTER INSTALLED. AIRCRAFT DEPARTED FBO AND RETURNED ABOUT 30 MINUTES LATER WITH LEFT ENGJun 16, 1995 · N422RD · Cessna 421A · Reciprocating Engine Front SectionSDR 95ZZZX3205Torque Tube · brokenPILOT REPORTED NO GREEN ON RT MLG. INSPECTED RT MLG AND FOUND TORQUE TUBE BROKEN AWAY AT PUSH/PULL ROD ATTACH POINT. PUSH/PULL TUBE SEVERED (PN 0840125-15). UPLOCK PUSH/PULL TUBE (PN 0841121-1) WAS BENT. REPLACED ALL PARTS WITH NEW. TOTAL TIME UNKNOWN. HJun 9, 1995 · N2957Q · Cessna 421A · Landing Gear Retraction/Extension SystemSDR 95ZZZX1456Starter Adapter · failedAIRCRAFT LANDED AFTER DARK 2-9-95, WITH THE LEFT ENGINE SHUT DOWN. FOUND STARTER ADAPTER HAD TWO BROKEN TEETH AND METAL THROUGHOUT THE ENGINE. VERY ROUGH AIRCRAFT.Feb 10, 1995 · N44SC · Cessna 421A · Reciprocating Engine Rear Section
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