Cessna 172

Service difficulty reports · 119

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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 = '172'
  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 EY2R56679Blade · brokenTIP OF NR 2 BLADE SNAPPED OFF 3.50 INCHES.May 10, 2000 · Cessna 172 · Propeller Blade SectionSDR 20000609SH028Shimmy Dampener · failedAFTER LANDING, THE PIC WAS TAXIING TO THE RAMP WHEN THE NOSE WHEEL STARTED TO SHIMMY. HE APPLIED BRAKES AND THE AIRCRAFT MADE A HARD RIGHT TURN CAUSING THE AIRCRAFT TO TOP OVER TO THE LEFT/FRONT SIDE AND THE LEFT WING TIP AND PROPELLER MADE CONTACT WITH THE GApr 22, 2000 · N6331E · Cessna 172 · Shimmy DamperSDR 99ZZZX4693Rocker Arm · failedNR 6 CYLINDER EXHAUST ROCKER ARM FAILED ON TAKEOFF, INBOARD SECTION CRACKED AT PUSHROD END OIL FEED HOLE AND APPROXIMATELY 180 DEGREES FROM THAT HOLE. PART IS MAGNETIZED.Dec 1, 1999 · N7452A · Cessna 172 · Reciprocating Engine Cylinder SectionSDR CA991208091Bearing · disintegrated(CAN) ENGINE EXPERIENCED A NR 6 CONNECTING ROD BEARING FAILURE. SDR SUBMITTER HAS EMPLOYED AN OIL ANALYSIS PROGRAM BUT THE RESULTS OF WHICH, THOUGH SHOWING SOME INDICATIONS OF BREAKDOWN, WERE WRONGLY INTERPRETED.Oct 21, 1999 · Cessna 172 · Reciprocating Engine Power SectionSDR CA990927047Muffler · misrepaired(CAN) UNAPPROVED WELD REPAIR ON RIGHT MUFFLER.Sep 8, 1999 · Cessna 172 · Engine Noise SuppressorSDR CA990927046Mount · worn(CAN) ENGINE MOUNT WORN.Sep 8, 1999 · Cessna 172 · Engine (Reciprocating)SDR 99ZZZX2781Torque Tube · looseALL RIVETS SHEARED IN-FLIGHT. LEFT ELEVATOR TORQUE TUBE TO FLANGE ON BELLCRANK. PILOT WAS ABLE TO LAND, BUT REPORTED LOSS OF PITCH CONTROL EFFECTIVENESS.Jun 25, 1999 · N6770A · Cessna 172 · Elevator Control SystemSDR 99ZZZX2614Wire · corrodedNO CHARGING INDICATION. FOUND BATTERY WIRE TO BUS BAR FROM REGULATOR PREVIOUSLY SPLICED. SPLICE HEATED, CORRODED CAUSING LARGE RESISTANCE. NOTED POWER TO REGULATOR WHEN STATIC ON THIS WIRE WHEN RUNNING POWER, WOULD NOT RETURN THROUGH THIS WIRE TO BUS. WIREJun 1, 1999 · Cessna 172 · Battery/Charger SystemSDR CA990531042Support · broken(CAN) RIGHT HAND CONTROL COLUMN OPPERATION BECAME BLOCKED CAUSING LOSS OF AIRCRAFT DURING LANDING APPROACH. THE INSTRUMENT PANEL BRACE BECAME BROKEN AS STATED IN TC SYSTEM SAFETY, DORVAL ACCOMPANYING PHOTO. TSB REPORT TO FOLLOW FILE A99Q0075-2 CADORS 99Q0262May 26, 1999 · Cessna 172 · Fuselage Miscellaneous StructureSDR 99ZZZX4662Battery · failedBATTERY INSTALLED MARCH, 1999. IN NOVEMBER, 1999, BATTERY DEVELOPED AN INTERNAL SHORT WHICH CAUSED AN OVERLOAD IN THE AIRCRAFT ELECTRICAL SYSTEM. SHORT CAUSED DESTRUCTION OF THE AIRCRAFT VOLTAGE REGULATOR, AND BLEW THE GENERATOR FUSE CAUSING LOSS OF ELECTRIMar 1, 1999 · N9117B · Cessna 172 · Battery/Charger SystemSDR CA981109016Blade · corroded(CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. INSPECTION FOUND CORROSION AND BLADE DAMAGE DUE TO STONES.Oct 22, 1998 · Cessna 172 · Propeller Blade SectionSDR 98ZZZX3671Angle · corrodedDURING ROUTINE INSPECTION, SEVERAL AREAS OF INTERGRANULAR CORROSION IN UPPER SPAR ANGLES P/N 0523020-1 AND 2 WERE DISCOVERED. AFTER REMOVAL, THE ANGLES WERE BROKEN IN TWO WITH LIGHT HAND PRESSURE. DETECTION WAS DIFFICULT AS THERE ARE VERY FEW INSPECTION HOLESep 1, 1998 · N7248A · Cessna 172 · Wing Miscellaneous StructureSDR CA980811010Cylinder · cracked(CAN) LOW COMPRESSION ON NR 2 CYLINDER. INSPECTION FOUND A STICKING EXHAUST VALVE AND THE CYLINDER CRACKED SLIGHTLY FROM THE EXHAUST SEAT TO THE SPARK PLUG. THE CYLINDER WAS REPLACED.Jul 24, 1998 · Cessna 172 · Reciprocating Engine Cylinder SectionSDR 98ZZZX3145Blade · damagedBLADE ACTUATING SCREWS STRIPPED OUT. POSSIBLY DUE TO OVERTORQUE CAUSING NR 2 BLADE TO NOT FUNCTION. CAUSED DAMAGE TO LINK ARM AND MINOR DAMAGE TO HUB. REPLACED BLADE. REPAIRED OTHER MINOR DAMAGE AND RETURNED TO SERVICE. (X)Jul 15, 1998 · N6485B · Cessna 172 · Propeller Blade SectionSDR 98ZZZX3074Breaker Assy · failedRIGHT MAGNETO DEVELOPED A LOW EXCESSIVE DROP OF 150 RPM ON GROUND. CHECKS AT 1600 RPM. FOUND RT MAG BREAKER ASSY WITH BROKEN CAM FOLLOWER SPRINGLEAF NEXT TO FACTORY ASSY SCREW. SECOND OCCURRENCE SINCE 1995. SUSPECT ELTROSYSTEMS FAA PMA LEAF SPRINGS TOO BRIMay 7, 1998 · N4156F · Cessna 172 · Magneto/DistributorSDR 98ZZZX2468Cylinder · failedPILOT WAS IN NORMAL CRUISE WHEN HE HAD A SUDDEN POWER LOSS AND ENGINE VIBRATION. AN UNEVENTFUL LANDING WAS MADE ON A ROAD. INVESTIGATION REVEALED THE NR 2 CYLINDER HAD SEPARATED ABOUT 2 INCHES FROM THE ENGINE CASE. THE SEPARATION WAS THROUGH THE STEEL PORTIMay 2, 1998 · N6362E · Cessna 172 · Reciprocating Engine Cylinder SectionSDR 97ZZZX5195Spinner · crackedFATIGUE CRACK FOUND IN PROPELLER SPINNER. 50 HOURS TT.Dec 2, 1997 · N64763 · Cessna 172 · Propeller Spinner SectionSDR 97ZZZX4635Spacer · crackedSPACER ON PROPELLER FOUND CRACKED THROUGH N.D.T. INSPECTION. FOUND AT 100-HOUR INSPECTION, A PROPELLER RE-PROFILING.Oct 16, 1997 · N53945 · Cessna 172 · Propeller Hub SectionSDR 97ZZZX4303Valve · stuckENGINE FOUND WITH EXHAUST VALVE STICKING OPEN. AIRCRAFT HAD BEEN RUN ON AUTO GAS. SMOH: 925 HOURS.Sep 1, 1997 · Cessna 172 · Reciprocating Engine Cylinder SectionSDR 97ZZZX2910Spar · crackedINSPECTION FOUND HORIZONTAL STABILIZER FRONT SPAR CRACKED.May 1, 1997 · Cessna 172 · Horizontal Stabilizer, Spar/RibSDR 97ZZZX1893Bearing Attach · corrodedFRONT AND AFT BLOCKS (RIGHT AND LEFT SIDES) FOR WING SPAR ATTACHMENT SHOW HEAVY EXFOLIATION BETWEEN MAIN BOLT SPAR ATTACHMENT AND HOLD-DOWN BOLTS FOR BLOCK, MAY BE UNDETECTABLE WITH WINGS ATTACHED, EVEN WITH SKIRTING REMOVED. MIGHT POSSIBLY DO A MIRROR INSPEApr 8, 1997 · N8591B · Cessna 172 · Fuselage, Wing Attach FittingsSDR 97ZZZX1892Block · corrodedFRONT AND AFT BLOCKS (RIGHT AND LEFT SIDES) FOR WING SPAR ATTACHMENT SHOW HEAVY EXFOLIATION BETWEEN MAIN BOLT SPAR ATTACHMENT AND HOLD-DOWN BOLTS FOR BLOCK, MAY BE UNDETECTABLE WITH WINGS ATTACHED, EVEN WITH SKIRTING REMOVED. MIGHT POSSIBLY DO A MIRROR INSPEApr 8, 1997 · N8591B · Cessna 172 · Fuselage, Wing Attach FittingsSDR CA961120002Oil Ring · failed(CAN) LOSS OF ENGINE POWER IN FLIGHT. ENGINE CONTINUED TO OPERATE AND FLIGHT CONTINUED TO DESTINATION. POST FLIGHT INSPECTION FOUND #4 CYLINDER OIL RING FAILED.Dec 15, 1996 · Cessna 172 · Reciprocating Engine Cylinder SectionSDR 96ZZZX5722Cylinder · excess wearTHIS FACILITY INSTALLED SIX CYL ASSEMBLIES PREASSEMBLED BY TCM ON AN O300A ENGINE (CESSNA 172). ENGINE WAS OPERATED ON 80/87 AVIATION FUEL AND AEROSHELL 80 MINERAL OIL. AFTER 14 HOURS TOTAL TIME IN SERVICE (TWO MONTHS ELAPSED TIME) LOW COMPRESSION WAS EXPERINov 7, 1996 · Cessna 172 · Reciprocating Engine Cylinder SectionSDR EY2R9601236Blade · corrodedBLADE, SN F52931, FOUND CORRODED.Nov 1, 1996 · Cessna 172 · Propeller Blade SectionSDR EY2R9601235Blade · corrodedBLADE, SN F52834, FOUND CORRODED.Nov 1, 1996 · Cessna 172 · Propeller Blade SectionSDR EY2R9601233Hub · corrodedHUB CORRODED.Nov 1, 1996 · Cessna 172 · Propeller Hub SectionSDR CA961016002Oil Sump · cracked(CAN) DURING ANNUAL INSPECTION AN OIL LEAK REPORTED BY THE OWNER LED TO INSPECTION OF THE OIL SUMP. EIGHT SMALL CRACKS WERE FOUND FROM THE FORWARD DRAIN PLUG, ONLY TWO WERE LEAKING. THE CRACKS HAD ORIGINATED INSIDE THE SUMP AND WERE CAUSED BY CORROSION PITTINGAug 16, 1996 · Cessna 172 · Reciprocating Engine Oil SystemSDR 96ZZZX4785Spring · brokenCHECKED IGNITION TIMING. FOUND APROXIMATELY 90 DEGREES OFF. REMOVED MAGNETO, FOUND IMPULSE COUPLING SPRING BROKEN. CHECKED I-C PER AD 78-09-07R3/AD 96-12-0-7 AND FOUND SATISFACTORY. REVIEWED MAG O/H DATE FAXED BY INS. ADJ. FOUND I-C SPRING, INSP AND REUSJul 5, 1996 · N75814 · Cessna 172 · Magneto/DistributorSDR EY2R9601589Hub · defectiveHUB HAS OVERSIZE QUAD SEAL GROOVEJul 1, 1996 · Cessna 172 · Propeller Hub SectionSDR 96ZZZX3408Brush Kit · failedCOMPONENT WAS RECENTLY OVERHAULED. INSPECTION REVEALED BRUSHES WERE INSTALLED UPSIDE DOWN CAUSING WEAR INTO BRUSH LEADS AND PREMATURE FAILURE. SUBMITTER STATED THIS IS THE FOURTH FAILURE IN THE LAST SIX MONTHS DUE TO IMPROPER BRUSH INSTALLATION. ALL UNITS WMay 2, 1996 · Cessna 172 · DC Generator-AlternatorSDR AU960475Bulkhead · cracked(AUS) LH AND RH DOOR POST BULKHEADS AND PLATES CRACKED BETWEEN NOTCH AND VACANT BOLT HOLEApr 4, 1996 · Cessna 172 · Fuselage Main, BulkheadSDR EY2R9601488Bearing · wornPROP ASSY BEARING WORNApr 1, 1996 · Cessna 172 · Propeller AssemblySDR EY2R9600550Bolt · corrodedBOLT FOUND CORRODED.Apr 1, 1996 · Cessna 172 · Propeller AssemblySDR AU960759Valve · sticking(AUS) EXHAUST VALVE STUCK - OTHER FIVE VALVES TIGHT IN VALVE GUIDESMar 31, 1996 · Cessna 172 · Reciprocating Engine Cylinder SectionSDR 96ZZZX2000Bolt · defectivePROPELLER FORGING FOLD NEAR FULL LENGTH OF BOLTS, QUANTITY, 2 EACH.Mar 29, 1996 · Cessna 172 · Propeller AssemblySDR 96ZZZX1985Seat Stop · brokenFOUND PILOT'S AFT SEAT STOP BROKEN. IF UNNOTICED, REAR SEAT ROLLERS MAY DISCONNECT FROM RAILS MAKING SEAT PINS NON-FUNCTIONAL. WITH SEAT PINS NOT POSITIONED PROPERLY, SEAT MAY SLIDE AFT ON TAKEOFF AND CREATE POSSIBLE DEPARTURE STALL CONFIGURATION.Mar 25, 1996 · N4642J · Cessna 172 · Flight Compartment EquipmentSDR EY2R9601403Fix Pitch · defective3 HOLES IN HUB FROM STOP DRILLFeb 1, 1996 · Cessna 172 · Propeller AssemblySDR EY2R9601387Piston Rod · bentPROP ASSY PISTON ROD BENTJan 1, 1996 · Cessna 172 · Propeller AssemblySDR 96ZZZX1253Magneto · teeth shearedAT 702 HOURS SINCE MAGNETO OVERHAUL, A TOOTH ON THE GEAR ASSY SHEARED, AND, SUBSEQUENTLY, SHEARED THE MAJORTIY OF THE REMAINING TEETH ON THAT GEAR AS WELL AS THE OTHER GEAR ASSY. REGARDING THE OVERHAUL PROCEDURES, THE GEAR ASSYS ARE NOT A MANDATORY REPLACEMENDec 28, 1995 · N734PF · Cessna 172 · Magneto/DistributorSDR 95ZZZX7014Rod End · brokeHEIM JOINT ON STEERING PART BROKE OFF STRUT. HAVE FOUND SEVERAL BENT ON 172'S, AND HAVE FOUND CRACKS. SUSPECT CAUSE IS EXCEEDING THE TURN LIMIT WITH A TOW BAR OR TOW VEHICLE. RECOMMEND MANDATORY INSPECTIONS.Dec 2, 1995 · N4192F · Cessna 172 · Landing Gear Steering SystemSDR 95ZZZX7011Rod End · brokeHEIM JOINT ON STEERING PART OF STRUT BROKE. SUBMITTER STATED FOUND SEVERAL BENT, AND SOME CRACKED, SUSPECT CAUSE IS EXCEEDING THE TURN LIMIT OF THE STRUT WITH A TOW BAR AND ALSO A TOW VEHICLE. SUBMITTER RECOMMENDS MANDATORY INSPECTIONS ON THIS PARTICULAR AIRDec 2, 1995 · N3000U · Cessna 172 · Landing Gear Steering SystemSDR 95ZZZX6805Cylinder · rocker brokeTHIS CYLINDER WAS NOT WITHIN THE DIMENSIONAL SPECS REQUIRED IN AD 94-05-05, BUT WAS NOT REQUIRED TO BE INSPECTED UNTIL OVERHAUL. THE ROCKER BOSSES BROKE IN-FLIGHT, BUT A SAFE-ON-AIRPORT LANDING WAS MADE. SUBMITTER RECOMMENDS THAT AD 94-05-05 BE CHANGED TO RENov 7, 1995 · N3864L · Cessna 172 · Reciprocating Engine Cylinder SectionSDR CA951110003Support · cracked(CAN)CRACK FOUND DURING ANNUAL INSPECTION.Oct 31, 1995 · Cessna 172 · Main Landing Gear Attach SectionSDR 95ZZZX6406Oil Pump · bushing defectDURING MAJOR OVERHAUL, REAR CASE/OIL PUMP ASSY AND GEARS REWORKED. ENGINE HAD GOOD OIL PRESSURE, BUT AT OIL CHANGE, PUMP WOULD NOT PRIME ITSELF. DISSASSEMBLY REVEALED PUMP BUSHINGS WERE .004 INCH OUT OF CENTER AND ALLOWED TOO MUCH CLEARANCE ON ONE SIDE.Oct 31, 1995 · N6079A · Cessna 172 · Reciprocating Engine Oil SystemSDR 96ZZZX727Control Cable · failedTHROTTLE KNOB DISCONNECTED DUE TO CABLE BREAKING INSIDE LINKAGE ASSEMBLY. SUSPECTED FORCEFUL PUSHING IN OF THROTTLE KNOB AGAINST FIREWALL, OVER TIME, CAUSED CABLE TO BULGE INSIDE PLASTIC SHEATH, EVENTUALLY CAUSING INDIVIDUAL CABLE STRANDS TO BREAK THROUGH. SOct 23, 1995 · N55250 · Cessna 172 · Power LeverSDR 95ZZZX6011Valve · defectiveTHIS VALVE HAS VERY LITTLE TIME ON IT. SUBMITTER STATED 80 PERCENT OF ALL VALVES INSPECTED WITH THIS PIN HAVE FAILED INSPECTION IAW SB S18B. RECOMMEND SB BE MADE INTO AN AD.Oct 17, 1995 · N8943B · Cessna 172 · Engine Oil Temperature RegulatorSDR 95ZZZX6575Carburetor Tube · missingPILOT SAID THE ENGINE HAD A LOSS OF POWER AND IT WAS HARD TO START. ENGINE WAS REMOVED FOR OVERHAUL WITH 2125 TSO. WHEN THE CARBURETOR WAS REMOVED, IT WAS NOTICED THE ACCELERATOR DISCHARGE TUBE WAS MISSING. SUBMITTER SUSPECTED REASON FOR LOSS OF TUBE WAS CASep 25, 1995 · N12805 · Cessna 172 · Fuel Control/Reciprocating EnginesSDR 95ZZZX5932Guide · excess wearNEW CYLINDERS FOR ENGINE ONLY LASTED FOR 85 HOURS WHEN EXHAUST GUIDES EXHIBITED EXCESS WEAR.Sep 22, 1995 · N6079A · Cessna 172 · Reciprocating Engine Cylinder SectionSDR 95ZZZX5603Distributor Gear · teeth failedFOUND RIGHT DISTRIBUTOR GEAR WITH 21 OF 53 TEETH MISSING. HELICAL SPRING MISSING FROM NR 1 TOWER (RIGHT SIDE) OF THE DISTRIBUTOR BLOCK. EVIDENCE OF HEAVY ARCING INSIDE NR 1 TOWER BECAUSE OF MISSING SPRING. THIS DUAL MAGNETO IS AN ELECTRO SYSTEM, INC., OVERHSep 6, 1995 · N6583D · Cessna 172 · Magneto/Distributor
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