Cessna R172K

Service difficulty reports · 71

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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 = 'R172K'
  ORDER BY difficulty_date DESC"

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SDR 2026FA0000165Alternator · failedPILOT HAD AN ALTERNATOR FAILURE IN CRUISE.Feb 16, 2026 · N6149K · Cessna R172K · AC Generator-AlternatorSDR NI6R201409110020Fairing · wrong partFOUND LT MLG FAIRING CHAFING FUSELAGE. DETERMINED THAT AFTERMARKET FAIRING PRODUCED BY UNDER PMA SA-1741005-239 TO BE MADE OF FIBERGLASS, AND AFTER APPROXIMATELY 800 FLIGHT HOURS, IT CHAFED THROUGH THE .051 SHEET METAL FUSELAGE SKIN IN SEVERAL CONTACTING AREASep 9, 2014 · N758HS · Cessna R172K · Aerodynamic FairingsSDR CA130808002Line · broken(CAN) DURING THE CRUISE PORTION OF AN FLOAT INSTRUCTION FLIGHT, THE INSTRUCTOR NOTICED AN ODOR OF FUEL AND A REDUCTION IN ENGINE POWER. THE CREW DECIDED TO MAKE A PRECAUTINARY LANDING AT A NEAR-BY FLOAT BASE. THE LANDING WAS EXECUTED WITHOUT FURTHER ISSUE. MAug 7, 2013 · Cessna R172K · Engine Fuel DistributionSDR 2011FA0000458Gear · wornWHILE PERFORMING AN ANNUAL INSP OF THE ENGINE, NOTICED ALTERNATOR HSG LOOSE. 500HR ALTERNATOR INSP WAS DUE. SO UPON REMOVAL OF ALTERNATOR FOR INSP IT WAS DISCOVERED THAT ALL OF THE TEETH ON THE CRANKSHAFT GEAR FACE WERE EITHER MISSING OF SEVERLY WORN. THEREJul 14, 2011 · N8186V · Cessna R172K · Engine (Reciprocating)SDR 2011FA0000317Engine · misoverhauledREMOVED ENGINE OIL PUMP SUCTION SCREEN AS PART OF 100 HR INSP. FOUND OLD STYLE SUCTION SCREEN WITH FOD IN IT CONSISTING OF 1EA, .2500" AN FLAT WASHER, 2 EA SPRINGS SUCH AS USED IN GARLOCK SEALS (THESE HAD PARTIALLY PENETRATED THE SUCTION SCREEN BY ABOUT .7500May 16, 2011 · N736VG · Cessna R172K · Engine (Reciprocating)SDR CA110209030Alternator · inoperativeDURING FLIGHT, THE GPS THEN THE RADIOS CUT OUT. THE PILOT LANDED SAFELY FOLLOWING PROCEDURES. MX DISCOVERED THAT THE ALTERNATOR OUTER CASE HAD SEPERATED FROM THE ALTERNATOR BODY CAUSING THE CHARGING SYS TO BE INOPERATIVE THUS THE BATTERY WAS DEPLETED AND THEFeb 8, 2011 · Cessna R172K · DC Generator-AlternatorSDR CA110112006Bearing · wrong partBLADE RETENTION BEARINGS ARE MANUFACTURED AS MATCHED SETS WITH CORRESPONDING SERIAL NUMBERS. UPON INSPECTION, IT WAS FOUND THAT 2 OF THE BEARING HALVES SERIAL NUMBERS DID NOT MATCH REQUIRING REPLACEMENT YAW MANUAL #MPC200.Jan 12, 2011 · Cessna R172K · Propeller Blade SectionSDR 2010FA0000031Switch · crackedOWNER COMPLAINT - WHEN FLAPS "DOWN" WAS SELECTED, SPARKS CAME OUT AROUND HANDLE. FOUND MICROSWITCH PN S1906-1, BROKEN IN HALF, AND SHORTING OUT ON MOUNTING BRACKET. SWITCH BELIEVED TO BE ORIGINAL. REPLACED SWITCH, ALL OPS NORMAL.Dec 17, 2009 · N1437V · Cessna R172K · Trailing Edge Flap Control SystemSDR CA090514006Retainer · cracked(CAN) NR 1 CYLINDER INTAKE ROCKER RETAINER WAS FOUND CRACKED.May 14, 2009 · Cessna R172K · Reciprocating Engine Cylinder SectionSDR CA081125004Engine · making metal(CAN) LOSS OF OIL PRESSURE DURING FLIGHT. PRECAUTIONARY LANDING ON NEARBY LAKE. INSP REVEALED HEAVY METAL CONTAMINATION IN OIL SCREEN, POSSIBLY CRANKSHAFT BEARING.Nov 12, 2008 · Cessna R172K · Engine (Reciprocating)SDR 2008FA0000560Valve · damagedA NEW VALVE WAS ORDERED AND INSTALLED TO CURE A SUSPECTED LEAK IN THE VALVE CORE. THE NEW VALVE ARRIVED WITH A BRIGHT APPEARANCE, EITHER CHROME OR NICKEL PLATED. WITH THE NEW VALVE INSTALLED, THE STRUT LEAK WORSENED. AN EXTERNAL INSP REVEALED THAT THE COSMEAug 8, 2008 · N9927V · Cessna R172K · Nose/Tail Landing Gear Strut/AxleSDR 2008FA0000186Mount Bracket · crackedFOUND UPPER LT ENGINE MOUNT BRACKET CRACKED WHILE INSPECTING FOR CESSNA SEB07-2 REV 2. THIS SERVICE BULLETIN DOES NOT APPLY TO THIS SERIAL NUMBER, ALTHOUGH A CRACK WAS FOUND. RECOMMEND INCREASING THE SERIAL NUMBER RANGE OF AFFECTED AIRCRAFT. THIS SHOP HAS AMar 6, 2008 · N758PX · Cessna R172K · Engine Mount SectionSDR 2007FA0000643Wheel · misrepairedDURING TAKEOFF FROM A GRASS STRIP AS THE AIRCRAFT APPROACHED 30 TO 40 KNOTS, BOTH NOSE WHEELS INSTALLED ON THE FLOATS FAILED, CAUSING THE AIRCRAFT TO FLIP ON TO ITS BACK. UPON EXAMINATION OF THE FLOAT NOSE WHEEL STRUTS THE FAILURE OCCURRED AT THE WELD JOINT OJun 13, 2007 · N736MV · Cessna R172K · Wheel/Ski/FloatSDR 2007FA0000112Air Filter · twistedDURING REMOVAL OF THE AIR FILTER THE CENTER WIRE MESH SCREEN WAS FOUND TWISTED AND BENT. SOME OF THE WELDS WERE BROKEN. SCREEN DEFORMATION CAN LEAD TO UNFILTERED AIR AND FOD ENTERING THE ENGINE. APPARENT CAUSE IS EITHER OVERTORQUEING WING NUT AND/OR INSUFFIJan 8, 2007 · N758EJ · Cessna R172K · Engine Air Intake SystemSDR CA060209003Governor · damaged(CAN) ENGINE OVERSPEED ON A TOUCH AND GO LANDING AT AIRPORT, ON TAKEOFF. ENGINE WAS REPORTED ROUGH ON THE RETURN FLIGHT. THE INSTRUCTOR AND THE OWNER ONBOARD DECIDED TO DECLARE AN EMERGENCY AND LAND BACK WHERE THE AIRCRAFT IS BASED AT THIS TIME. MAINTENANCE Feb 2, 2006 · Cessna R172K · Propeller GovernorSDR 2006FA0000045Distributor Gear · failedELEVEN GEAR TEETH FAILED ON NYLON DISTRIBUTOR GEAR.Jan 18, 2006 · N4718K · Cessna R172K · Magneto/DistributorSDR EY2R77637Hub · corrodedPITTING CORROSION ON INTERNAL SURFACES OF PROPELLER HUB.Oct 11, 2005 · Cessna R172K · Propeller Hub SectionSDR CA050416001Spar · cracked(CAN) FRONT SPAR CRACKED CENTER SECTION AT LIGHTNING HOLE.Apr 15, 2005 · Cessna R172K · Horizontal Stabilizer, Spar/RibSDR 2004FA0000785Pcu · frozenNEW PROP CONTROL INSTALLED IAW SRM, CONTROL OPERATED FINE, AIRCRAFT WAS FLOWN ONCE AFTER COOL DOWN. PROP CONTROL WAS FROZEN, WAS ABLE TO BREAK FREE, INSTALLATION AND RIGGING CHECKED, PROP GOVERNOR CHECKED, AIRCRAFT FLOWN AGAIN, PROP CONTROL FROZEN AGAIN AFTERAug 27, 2004 · N218H · Cessna R172K · Propeller Controlling SystemSDR AUS20040499Piston · failed(AUS) PISTON FAILED. SUSPECT FAULTY INJECTOR. LIMITED INFORMATION PROVIDED.Apr 18, 2004 · Cessna R172K · Reciprocating Engine Power SectionSDR 2004FA0000340Rocker · brokenFOUND HOLE IN ROCKER COVER CAUSED BY ROCKER ARM ON EXHAUST SIDE. FOUND FWD STUD ASSY BROKEN OFF FLUSH WITH CYLINDER HEAD. STUD (PN 401852). ROCKER RETAINER (PN 631996) WAS BROKEN AND HALF MISSING (GONE OUT OF HOLE IN COVER) IB STUD HOLD DOWN NUT WAS 4 TO 5 Mar 31, 2004 · N736DU · Cessna R172K · Reciprocating Engine Cylinder SectionSDR CA031216003Bracket · cracked(CAN) ENGINE MOUNT TO FIREWALL 1/B LT LOWER CHANNEL BRACKET FOUND CRACKED. REPLACED WITH NEW.Nov 17, 2003 · Cessna R172K · Engine Mount SectionSDR CA020611004Bearing · seized(CAN) ALTERNATOR FAILURE. REAR ROLLER BEARING SEIZED SHAFT CAUSING SHAFT TO SHEAR IMMEDIATELY AFT OF THE DRIVE ASSEMBLY.NO EVIDENCE OF OR ADEQUATE LUBRICANT IN AFFECTED BEARING. OTHER PARTS OF THE ALTERNATOR APPEARED IN GOOD CONDITION EXCEPT FOR THE BRUSHES WHMay 26, 2002 · Cessna R172K · Alternator-Generator DriveSDR 2002FA0000683Bushing · wornENGINE DRIVEN ALTENATOR DRIVE FOUND WORN.May 23, 2002 · N3712V · Cessna R172K · DC Generator-AlternatorSDR AUS20011382Exhaust Valve · worn(AUS) EXHAUST VALVE GUIDE WORN EXCESSIVELY. INVESTIGATION FOUND SPRINGCAP RIDING UP ON VALVE AND CONTACTING ROCKER ARM DUE TO WORNCOLLETS.Oct 10, 2001 · Cessna R172K · Reciprocating Engine Cylinder SectionSDR AUS20010938Piston · damaged(AUS) NR 2 CYLINDER PISTON HOLED IN AREA OF RING GROOVES. EXCESSIVE CRANKCASE PRESSURE VENTED OIL THROUGH THE BREATHER. LOSS OF OIL PRESSURE CAUSED NR 1 CYLINDER CONNECTING ROD BIGEND FAILURE. INVESTIGATION FOUND A PIECE OF BROKEN PISTON RING HAD BEEN WORKING Feb 14, 2001 · Cessna R172K · Reciprocating Engine Cylinder SectionSDR AU010008Retainer · cracked(AUS) NR 3 CYLINDER ROCKER HAT REMOVED TO REPAIR OIL LEAK. THE ROCKER PIN RETAINER WAS FOUND TO CRACKED. ON FURTHER INSPECTION OTHER ROCKER PIN RETAINERS SHOWED SIGNS OF INCIPIENT FAILURE.Jan 3, 2001 · Cessna R172K · Reciprocating Engine Cylinder SectionSDR CA000606007Support Bracket · worn(CAN) WEAR WAS FOUND WHERE ROLLER IS ATTACHED TO THE FLAP SUPPORT RIB. BEARING MUST BE REMOVED TO INSPECT. FOUND WORN OVER 1/3 THROUGH FLAP SUPPORT RIB, IN NICE CIRCLES CAUSED BY BEARING/ROLLER ITSELF. THIS THE 2ND CASE SUBMITTER HAS SEEN.May 20, 2000 · Cessna R172K · Trailing Edge FlapsSDR AU990038Line · fractured(AUS) NR 2 CYLINDER INJECTOR LINE FRACTURED AT THE FERRULE ON THE DISTRIBUTOR END.Jan 16, 1999 · Cessna R172K · Engine Fuel DistributionSDR 98ZZZX4825Skin · crackedSEVERE CRACKING OF LOWER COWL AT CORNERS OF COWL FLAP CUT-OUT. CRACKS EXTEND THROUGH DOUBLER P/N 0552145-1.Nov 30, 1998 · N758HC · Cessna R172K · Nacelle/Pylon, Bulkhead/FirewallSDR 98ZZZX4824Skin · crackedSEVERE CRACKING OF LOWER COWL AT BOTH CORNERS OF THE COWL FLAP CUT-OUT. CRACKS EXTEND THROUGH DOUBLER P/N 0552145-1.Nov 30, 1998 · N736FC · Cessna R172K · Nacelle/Pylon, Bulkhead/FirewallSDR 99ZZZX491Cylinder · crackedDURING INSPECTION FOR AN OIL LEAK, FOUND THE ENGINE CYLINDER HEAD CRACKED BEHIND THE ROCKER COVER AREA AND EXTENDING BEHIND THE INTAKE VALVE SPRAY. ONE DAY LATER, FOUND SIMILAR CRACK ON A DIFFERENT AIRPLANE WITH THE SAME MODEL ENGINE. AFTER CLOSE INSPECTION,Oct 25, 1998 · N5453V · Cessna R172K · Reciprocating Engine Cylinder SectionSDR 98ZZZX4476Piston Pin · brokenENGINE DISASSEMBLED PER AD 98-19-02. FOUND NR 4 PISTON PIN BROKEN INTO TWO PIECES. REBUSHED NR 4 CONNECTING ROD, INSTALLED NEW PISTON AND RINGS. REPLACED ALL PISTON PINS WITH NEW.Oct 15, 1998 · N736VN · Cessna R172K · Reciprocating Engine Cylinder SectionSDR CA980825007Blade · corroded(CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. PAINT WAS REMOVED FROM THE BLADES AND CORROSION WAS FOUND ON THE CAMBER AND THE THRUST FACE OF THE PROPELLER BLADES. THE CORROSION WAS REMOVED BY GRINDING IN ACCORDANCE WITH MCCAULEY SERVICE MANUAL 780630 ANAug 21, 1998 · Cessna R172K · Propeller Blade SectionSDR 98ZZZX3427Magnet · crackedMAGNETO WAS DISASSEMBLED DUE TO BAD POINTS. INSPECTION OF ROTATING MAGNET SHOWED CRACKS ON THE BACK FACE. MAGNTO WAS REPLACED WITH NEW.Aug 17, 1998 · N758SZ · Cessna R172K · Magneto/DistributorSDR CA980330011Seal · scored(CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. THE CYLINDER WAS FOUND SCORED IN THE SEAL AREA.Mar 20, 1998 · Cessna R172K · Propeller Hub SectionSDR 98ZZZX1176Fuel Pump · defectiveIN-FLIGHT MIXTURE CONTROL WOULD STICK AND WOULD NOT GO BACK TO FULL RICH MIXTURE. PREVIOUSLY, MOISTURE STIFF BUT WOULD MOVE, AND INSPECTION FOUND NO PROBLEMS. AFTER LAST 'STICK', INSPECTION FOUND THAT IDLE CUT-OFF STOP PIN WAS LOOSE IN ITS HOLE AND FREE TO MMar 1, 1998 · N736XB · Cessna R172K · Engine Fuel PumpSDR CA980309007Bearing · corroded(CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. THE FOLLOWING PARTS WERE FOUND CORRODED: 2 BEARING SETS; 2 ACTUATING PINS; 2 PISTON PINS; 1 CYLINDER; 80 BALL BEARINGS AND ALL PROPELLER INTERNAL PARTS. THE SUBMITTER SUGGESTS THIS CORROSION WOULD HAVE CAUSED Feb 24, 1998 · Cessna R172K · Propeller AssemblySDR AU980210Cylinder · separated(AUS) RT REAR CYLINDER HEAD SEPARATED.Feb 22, 1998 · Cessna R172K · Reciprocating Engine Cylinder SectionSDR AU980209Cylinder · failed(AUS) RT FRONT CYLINDER HEAD SEPARATED AT ROCKER BOLT DOWN PAD.Feb 18, 1998 · Cessna R172K · Reciprocating Engine Cylinder SectionSDR CA971128005Control Cable · misinstalled(CAN) AUTOPILOT NOT FUNCTIONING PROPERLY. AILERON SERVO CABLES INSTALLED IN REVERSE, REPAIRED.Nov 4, 1997 · Cessna R172K · Autopilot SystemSDR 97ZZZX4744Spring Assy · corrodedFOUND DURING A SCHEDULED INSPECTION. MAIN LANDING GEAR AND SPRING ASSEMBLY CORRODED AND RUSTY. AIRCRAFT TOTAL TIME 2,283.2 HOURS. THE SUSPECT CAUSE WAS FAILURE OF NOT REMOVING GEAR FAIRINGS DURING INSPECTIONS. SUBMITTER RECOMMENDATION IS TO REMOVE FAIRINGSOct 27, 1997 · N1092V · Cessna R172K · Main Landing Gear Strut/Axle/TruckSDR 97ZZZX4743Spring Assy · corrodedFOUND DURING A SCHEDULED INSPECTION. MAIN LANDING GEAR AND SPRING ASSEMBLY CORRODED AND RUSTY. AIRCRAFT TOTAL TIME 2,283.2 HOURS. THE SUSPECT CAUSE WAS FAILURE OF NOT REMOVING GEAR FAIRINGS DURING INSPECTIONS. SUBMITTER RECOMMENDATION IS TO REMOVE FAIRINGSOct 27, 1997 · N1092V · Cessna R172K · Main Landing Gear Strut/Axle/TruckSDR AU971338Plug · loose(AUS) ENGINE OIL DRAIN PLUG NOT TIGHTENED OR LOCKWIRED FOLLOWING AN OIL CHANGE. PERSONNEL/MAINTENANCE ERROR.Oct 26, 1997 · Cessna R172K · Reciprocating Engine Oil SystemSDR 97ZZZX4625Crankcase · fracturedLT CRANKCASE BROKE OFF AT THE TOP SIDE AT THE PERIMETER OF NR 2 CYLINDER BASE. SUSPECT CAUSE, FAILURE OF FWD THROUGH-BOLT NUT OR THREADS OR POSSIBLE INTERNAL FLAW IN CRANKCASE HALF.Oct 2, 1997 · N7342K · Cessna R172K · Reciprocating Engine Power SectionSDR CA970930002Fuel Inject Line · broken(CAN) DURING FLIGHT THE ENGINE WAS RUNNING ROUGH WITH A LOSS OF POWER. THERE WAS ALSO THE SMELL OF FUEL. POST FLIGHT INSPECTION FOUND THE NR6 FUEL INJECTOR LINE BROKEN AT THE DISTRIBUTOR CENTRE OF THE ENGINE. THE CAUSE OF THE FAILURE WAS THE THROTTLE CONTROL CSep 24, 1997 · Cessna R172K · Engine Fuel DistributionSDR CA970930012Blade · damage(CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. PROPELLER BLADE FOUND WITH STONE DAMAGE. PROPELLER BLADE WAS TRIMMED.Sep 19, 1997 · Cessna R172K · Propeller Blade SectionSDR 97ZZZX3421Alternator · crackedTOTAL AIRCRAFT TIME 3,176.9 HOURS. DURING AN ANNUAL INSPECTION, THE ALTERNATOR FORWARD HOUSING WAS FOUND CRACKED AT THE WEB SUPPORTS. SUBMITTER SUGGESTS ALTERNATOR BE INSPECTED IN MORE DETAIL.Jul 21, 1997 · N758BZ · Cessna R172K · DC Generator-AlternatorSDR CA970702021Spinner Prop · cracked(CAN) THE PROP SPINNER WAS CHANGED DUE TO CRACKING AT 21.7 HOURS. AT 62.5 HOURS THE NEW SPINNER TORE AT THE SCREW ATTACH HOLES. SUBMITTER INSTALLED AN OLDER SPINNER AND SUGGESTS A MANUFACTURING FAULT.Jun 18, 1997 · Cessna R172K · Propeller Spinner SectionSDR CA970612006Pin Base Assembl · worn(CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. PIN BASE ASSEMBLY REPLACED DUE TO WEJun 5, 1997 · Cessna R172K · Propeller Hub Section
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