Cessna 172N

Service difficulty reports · 627

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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 = '172N'
  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 2026FA0000651Fuel Cap · failedAIRCRAFT EXPERIENCED A LOSS OF ENGINE POWER WHILE IN FLIGHT NEAR AMALGA, UTAH. THE PILOT ELECTED TO MAKE A PRECAUTIONARY LANDING IN A FIELD. THE CAUSE OF THE ENGINE POWER ISSUE WAS DETERMINED TO BE A VENTED FUEL CAP THAT WAS NOT VENTING PROPERLY. THE IMPROPER Aug 18, 2026 · N4849D · Cessna 172N · Fuel StorageSDR 2026FA0000604Carburetor · faultedAFTER ONLY 360.49 TACH HOURS IN SERVICE FOUND THROTTLE GETTING STUCK BEFORE FULL THROTTLE STOP. SUSPECTED ACCELERATOR PUMP PLUNGER GETTING STUCK NOT ALLOWING THROTTLE ARM TO HIT FULL THROTTLE STOP.Jul 2, 2026 · N172KJ · Cessna 172N · Fuel Control/Reciprocating EnginesSDR 2026FA0000357Stiffener · shearedFLAP TRACK STIFFENERS THAT KEEP THE FLAP TRACKS STRAIGHT AND TRUE WERE FOUND TO BE SHEARED OFF AND/OR CRACKEDMay 12, 2026 · N6212G · Cessna 172N · Trailing Edge FlapsSDR 2026FA0000352Stiffener · shearedFLAP TRACK STIFFENERS THAT KEEP THE FLAP TRACKS STRAIGHT AND TRUE WERE FOUND TO BE SHEARED OFF ON THE INBOARD RH INBOARD FLAP TRACKApr 14, 2026 · N211AV · Cessna 172N · Trailing Edge FlapsSDR 2026FA0000339Stiffener · shearedFLAP TRACK SRIFFENERS THAT KEEP THE FLAP TRACKS STRAIGHT AND TRUE WERE FOUND TO BE SHEARED OFF ON THE INBOARD RH INBOARD FLAP TRACKApr 14, 2026 · N211AV · Cessna 172N · Trailing Edge FlapsSDR 2026FA0000215Bulkhead · crackedDURING 100HR INSPECTION, FOUND FORWARD PROPELLER BULKHEAD CRACKED AT ONE BOLT HOLE LOCATION. PART HAD 297 HRS TOTAL TIME.Mar 26, 2026 · N738PV · Cessna 172N · Propeller AssemblySDR 2025FA0000713Exhaust Valve · failedEXHAUST VALVE FAILED DUE TO HEAT STRESS, CAUSING LOW COMPRESSION, LOW ENGINE SPEED AND ENGINE VIBRATIONS WHILE AT CRUISE.Oct 10, 2025 · N739DB · Cessna 172N · Reciprocating Engine Cylinder SectionSDR 2025FA0000627Control Cable · brokenWHILE ON APPROACH TO LAND AT KXBP BASE TO FINAL, THE CFII AND HER STUDENT HEARD A POP IN THE AIRFRAME. THEY NOTICED THE LEFT FLAP WAS "FLAPPING" A LITTLE AND DIDN'T SEEM TO BE SECURED IN THE PROPER CONFIGURATION COMPARED TO THE RH SIDE. THE CFII TOOK CONTROLSep 2, 2025 · N737ET · Cessna 172N · Trailing Edge Flap Control SystemSDR 2025FA0000409Crankcase · crackedCASE CRACKED AT TOP BASE OF #2 CYLINDER, LEAKING OILJun 18, 2025 · N3080E · Cessna 172N · Reciprocating Engine Power SectionSDR 2026FA0000177Bulkhead · crackedDURING 100HR INSPECTION. FOUND FORWARD SPINNER BULKHEAD P/N: 0550321-4Apr 16, 2025 · N738PV · Cessna 172N · Propeller AssemblySDR 2025FA0000266Tube · deflatedNEW TUBE HAD A SLOW LEAK WHERE STEM REINFORCEMENT PATCH AND MANUFACTURE SEAM INTERSECTED. NOTE: THIS TUBE WAS BRAND NEW AND WAS NEVER ENTERED INTO SERVICE. THE TUBE WAS ALSO NOT A PART OF ANY PRE-ASSEMBLED ASSEMBLY.Apr 15, 2025 · N2892E · Cessna 172N · Landing Gear SystemSDR L9QS2024091200711Pulley · damagedL/H FLAP BINDING, CAUSING DAMAGE TO L/H FLAP & L/H FLAP DRIVE PULLEY. REPLACED DAMAGED PARTSSep 12, 2024 · N4913G · Cessna 172N · Trailing Edge Flap Control SystemSDR 2024FA0000702Control Cable · frayedFOUND BOTH AILERON CABLES P/N MC0510105-324 FRAYED AT OUTBOARD PULLEY. AILERON CABLES TSN: 2973.9Sep 9, 2024 · N73707 · Cessna 172N · Aileron Control SystemSDR 2026FA0000356Stiffener · shearedFLAP TRACK STIFFENERS THAT KEEP THE FLAP TRACKS STRAIGHT AND TRUE WERE FOUND TO BE SHEARED OFF AND/OR CRACKEDMar 23, 2024 · N1465E · Cessna 172N · Trailing Edge FlapsSDR 2024FA0000248Indicator · inoperativeOFF FLAG INOPERATIVE, FLAG DOES NOT PULL.Mar 21, 2024 · N3080E · Cessna 172N · Turn and Bank/Rate of Turn IndicatorSDR 2026FA0000385Stiffener · shearedFLAP TRACK STIFFENERS THAT KEEP THE FLAP TRACKS STRAIGHT AND TRUE WERE FOUND TO BE SHEARED OFF AND/OR CRACKED.Feb 17, 2024 · N737LX · Cessna 172N · Wing Miscellaneous StructureSDR 2023FA0000837Pushrod · damagedDURING SB388C, EXHAUST VALVE GUIDE INSPECTION FOUND 4EA PUSH RODS P/N 15F28835-10 & 4EA ROCKERS P/N 17F19357 TO HAVE HEAVY SCUFF - SCORING. ENGINE TT: 2741.1 SINCE FACTORY REBUILT.Dec 16, 2023 · N734BB · Cessna 172N · Reciprocating Engine Power SectionSDR 2023FA0000845Volt Regulator · failedVOLTAGE REGULATOR FAIL AFTER 66.2 HOURS OF OPERATION. AFTER REMOVAL FROM AIRCRAFT NOTICED TWO PART NUMBER STICKERS OVERLAPPING EACH OTHER. EACH STICKER HAD DIFFERENT SERIAL NUMBERS TOP S/N 80Y66728 BOTTOM 80X66735Dec 14, 2023 · N734UL · Cessna 172N · Alternator-Generator DriveSDR 2023FA0000584Magneto · failedWHILE IN CRUISE FLIGHT ACFT EXPERIENCED AND ENGINE STOPPAGE IN FLIGHT. ENGINE BEGAN TO RUN ROUGH BRIEFLY FOLLOWED BY COMPLETE STOPPAGE. UPON VISUAL EXAMINATION OF THE ENGINE MAGNETO IT WAS DISCOVERED THAT NEITHER SET OF POINTS WERE BEING OPENED BY THE ACTUASep 30, 2023 · N1315E · Cessna 172N · Magneto/DistributorSDR 2023FA0000527Magneto · failedDUAL MAGNETO FAILED DURING FLIGHTAug 25, 2023 · N6196D · Cessna 172N · Magneto/DistributorSDR 2023FA0000465Unknown · unknownWE EXPERIENCED TWO CRACKED CYLINDERS WITHIN 55.6 TACH HRS OF EACH OTHER. THE CRACKS WERE IN IDENTICAL LOCATIONS AT THE TOP OF THE CYLINDER BARREL WHERE THE BARREL MEETS THE CYLINDER HEAD. THE CRACKS WERE FOUND BY HIGH CHT INDICATIONS, VISUALLY SEEING EXHAUSTAug 22, 2023 · N733JP · Cessna 172N · Reciprocating Engine Cylinder SectionSDR 2023FA0000080Unknown · unknownAIRPLANE WAS FLYING AND THROTTLE CONTROL BECAME STUCK AT 2100 RPM, AIRPLANE WAS LANDED SAFELY. DURING INSPECTION OF THROTTLE AND CARBURETOR, THROTTLE WAS DISCONNECTED AND THROTTLE SHAFT WAS STUCK. REMOVED CARBURETOR FROM ENGINE AND ACCELERATING PUMP DISCHARGE Feb 1, 2023 · N75706 · Cessna 172N · Standard Practices/StructuresSDR 2022FA0000618Muffler · crackedNEWLY "OVERHAULED" MUFFLER CRACKED AFTER ONLY 81.3 HOURS OF OPERATION. VISIBLE INDICATION OF FAILURE WAS EXHAUST SOOT ON THE EXTERIOR OF THE MUFFLER SHROUD. MUFFLER WAS SOLD AS OVERHAULED WITH FORM 8130-3 AND WORK ORDER WHILE ALL PARTS APPEARED TO BE MANUFACTUOct 21, 2022 · N7374E · Cessna 172N · Engine Exhaust SystemSDR 2026FA0000353Stiffener · shearedFLAP TRACK STIFFENERS THAT KEEP THE FLAP TRACKS STRAIGHT AND TRUE WERE FOUND TO BE SHEARED OFF AND/OR CRACKEDOct 17, 2022 · N734TD · Cessna 172N · Trailing Edge FlapsSDR VNAA202207079993Intercostal · corrodedINTERCOSTAL AT STGR 20L FROM FS 310 TO FS 319 IS CORRODED AT GROUND STUDSJul 7, 2022 · N5323E · Cessna 172N · Fuselage Main, Longeron/StringerSDR 2022FA0000602Tube · failedNLG TIRE DEFLATED ON LANDING ROLLOUT OF TRAINING FLIGHT. CFI IMMEDIATELY SHUT DOWN ENGINE ANO STOPPED A/C. RAI MAINT REMOVED A/C FROM RWY USING IRON DOLLY. NLG WHEEL REMOVED ANO DISASSEMBLED. INSPECTION REVEALED A CHAFFED HOLE ON THE MIDDLE SEAM CIRCUMFERENCE Jan 12, 2022 · N737GR · Cessna 172N · Tire TubeSDR 2021FA0000165Windscreen · scratchedVISOR SCRATCHED WINDSCREEN CAUSING CRACK AT ALONG THE SCRATCH AND DISLODGING A PIECE OF THE WINDSCREEN FROM THE AIRCRAFT.Jun 8, 2021 · N739BE · Cessna 172N · Flight Compartment WindowsSDR 2021FA0000060Flap System · bindingAT SOME POINT IN FLIGHT THE PILOT DEPLOYED THE FLAPS AT WHICH POINT THE THE RIGHT FLAP BOUND UP. WHEN THE FLAP BOUND UP, IT APPEARS THE MOTOR KEPT GOING FORCING THE FLAP TO BEND AND TWIST. THE OUTBOARD AFT FLAP ROLLER BEARING IS PARTIALLY CRUSHED AND THE INBFeb 8, 2021 · N3126E · Cessna 172N · Trailing Edge Flap Control SystemSDR 2021FA0000021Handle · brokenON 1-14-2021, DURING A FSDO 141 INSPECTION OF CESSNA 172N, REGISTRATION N738HX, THE COPILOT’S SEAT WAS FOUND TO HAVE .040 SAFETY WIRE SECURING THE SEAT BACK RECLINING LOCKING MECHANISM TO THE SEAT BACK PIVOT POINT. THIS RESULTED IN THE SEAT BACK BEING LOCKED Jan 21, 2021 · N738HX · Cessna 172N · Flight Compartment EquipmentSDR IKBR2021010500018Gasket · leakingPILOT REPORTED FUEL LEAK WE INSPECTED THE AIRCRAFT AND FOUND THE FUEL SENDER LEAKING AROUND GASKET AND AND THRU CENTER STUD INSTALLED NEW FUEL SENDER AND GASKETS.Jan 5, 2021 · N737DG · Cessna 172N · Fuel Indicating SystemSDR IKBR2020111200016Spring · brokenOWNER REPORTED RUDDER CABLES LOOSE INSPECTED SYSTEM AND FOUND LEFT RUDDER SPRING BROKEN INSTALLED NEW RUDDER SPRING P/N 0310196-5.Nov 9, 2020 · N734UL · Cessna 172N · Rudder Control SystemSDR IKBR2020100500014Carburetor · leakingDURING 50HR INSPECTION FOUND CARB P/N 10-5217 LEAKING. INSTALLED OVERHAULED CARB.Oct 5, 2020 · N737LG · Cessna 172N · Fuel Control/Reciprocating EnginesSDR IKBR2020100500013Cylinder · crackedDURING 50HR INSPECTION FOUND CRACKED CYLINDER FIN AND BLENDED NR 1 CYLINDER COOLING FIN, AS PER LYCOMING O-320 OHM SECTION 6 PARAGRAPH 6-26(2). ENGINE TSMOH 1627.0.Oct 5, 2020 · N737LG · Cessna 172N · Reciprocating Engine Cylinder SectionSDR IKBR2020100500012Antenna · deterioratedDURING 50HR INSPECTION FOUND TRANSPONDER ANTENNA DETERIORATED AND CRACKED. INSTALLED NEW TRANSPONDER ANTENNA P/N AV-22.Oct 5, 2020 · N737LG · Cessna 172N · ATC Transponder SystemSDR IKBR2020100500011Fuel Tank · crackedFUEL LEAK FROM RIGHT WING, UPON INSPECTION FOUND RIGHT FUEL TANK CRACKED ON TOP OF TANK IN THE MIDDLE OF THE TANK. SENT OUT FOR REPAIR AND REINSTALLED.Oct 5, 2020 · N739EU · Cessna 172N · Fuel StorageSDR 2020FA0000380Throttle Control · bindingWE HAVE BEEN DISINFECTING OUR FLEET OF A/C DURING COVID CONCERNS. THE PILOTS HAVE DISINFECTING WIPES PROVIDED TO THEM. BEFORE EACH FLIGHT THE PILOT WIPES DOWN AREAS OF TOUCH POINTS. THE THROTTLES HAVE FRICTION LOCK FEATURES THAT ARE COMPRISED OF WASHERS. TAug 21, 2020 · N4725D · Cessna 172N · Power LeverSDR 2020FA0000322Tension Spring · brokenUNUSUAL RUDDER PEDAL DEFLECTION, AIRPLANE TRIM AND CONTROL FEEL WAS NOTED. MAINTENANCE PERSONNEL DISCOVERED LT RUDDER TENSION SPRING WAS BROKEN AT THE AFT END THAT ATTACHES TO THE RUDDER PEDAL. ALONG WITH THE RT SPRING, THIS SPRING PROVIDES TENSION FOR THE RJul 5, 2020 · N1459E · Cessna 172N · Rudder Control SystemSDR 2020FA0000095Muffler · crackedPILOT SMELLED BURNING OIL IN CABIN, TURNED OFF CABIN HEAT AND SMELL WENT AWAY. INSPECTION FOUND MUFFLER CRACKED AT TAILPIPE ABOUT 3/4 AROUND TAILPIPE TO MUFFLER. MUFFLER WAS A NEW REPLACEMENT FROM AEROSPACE WELDING INSTALLED ON 4/13/3018 3125.8 TACH, REMOVEDJan 29, 2020 · N733TP · Cessna 172N · Engine Noise SuppressorSDR 2020FA0000076Spark Plug · out of toleranceACFT EQUIPPED WITH REM 38E SPARK PLUGS, AN UNUSUALLY HIGH EGT READING, CHECKED THE MAGNETOS. SWITCHED FROM BOTH TO LEFT, THE ENGINE WAS RUNNING ON ONLY 3 CYLINDERS. FOUND THAT ONE OF THE 8 PLUGS WAS NOT FIRING. THE RESISTANCE OF 5 OF THE 8 PLUGS EXCEEDED Jan 22, 2020 · N6478D · Cessna 172N · Spark Plug/IgniterSDR 2020FA0000040Rocker · brokenDURING FLIGHT BOTH PUSHRODS ON THE NR 3 CYLINDER BROKE THROUGH THE ROCKER ARMS CAUSING IMMEDIATE LOSS OF POWER ON THAT CYLINDER AND ENGINE TO RUN ROUGH. AIRCRAFT WAS LANDED SAFELY, PARTS WERE CHARGED AND AIRCRAFT WAS RETURNED TO SERVICE. LIKELY CAUSE IS CRACAug 8, 2019 · N3076E · Cessna 172N · Reciprocating Engine Cylinder SectionSDR CA190717007O-Ring · wrong part(CAN) DURING ENGINE REPAIR, CYLINDER SHROUD TUBES REMOVED. SHROUD TUBE O RINGS PREVIOUSLY INSTALLED WERE BLACK IN COLOUR. BOTH OEM AND PMA O RINGS FOR THIS MODEL OF ENGINE ARE ORANGE IN COLOUR. COMPARED TO THE OEM O RING, THE BLACK O RINGS ARE DIMENSIONALLY DIJul 2, 2019 · Cessna 172N · Reciprocating Engine Cylinder SectionSDR CA190717006Rocker · wrong part(CAN) (*SUP*) DURING ENGINE REPAIR, ROCKER FULCRUMS REMOVED FOR CLEANING AND INSPECTION. ONE FULCRUM NOTICEABLY DIFFERENT THAN OTHER 7. VISUALLY DIFFERENT, DIMENSIONS DIFFERENT, AUTOMOTIVE STYLE PRODUCTION MARKS. LACKS: OEM PART NUMBER, MFG NUMBER, HEAT TREAT Jul 2, 2019 · Cessna 172N · Reciprocating Engine Cylinder SectionSDR CA190717009Lifter · failed(CAN) ENGINE HAS 825 TT SINCE OVERHAUL (OTHER MTCE FACILITY 2018). AT 682 HRS TIS, LIFTERS REMOVED BY THE OTHER FACILITY DUE TO FAILURE. MARCH 20019 MAINTENANCE ENTRY INDICATES NEW LIFTERS INSTALLED. 142 TIS, ENGINE RECEIVED DUE TO METAL CONTAMINATION, LIFTERSJul 2, 2019 · Cessna 172N · Reciprocating Engine Cylinder SectionSDR CA190717008Camshaft · failed(CAN) ENGINE HAS 825 TT SINCE OVERHAUL (OTHER MTCE FACILITY 2018). AT 682 HRS TIS, CAMSHAFT REMOVED BY THE OTHER FACILITY DUE TO FAILURE. MARCH 2019 MAINTENANCE ENTRY INDICATES A NEW CAMSHAFT INSTALLED AT THIS TIME. 142 HRS TIS, ENGINE RECEIVED DUE TO METAL COJul 2, 2019 · Cessna 172N · Reciprocating Engine Power SectionSDR CA190505001Tube · punctured(CAN) ON RECENT NUMEROUS OCCASIONS COMPANY AIRCRAFT (CESSNA 152/172 EXPERIENCE A RASH OF TIRE DEFLATION (BOTH MAIN AND NOSE WHEEL) WHILE EITHER UPON LANDING OR TAXIING. INVESTIGATION/INSPECTION OF WHEEL ASSEMBLIES REVEALED SMALL PUNCTURE IN INNER TUBES (GOODYEMay 4, 2019 · Cessna 172N · Tire TubeSDR CA190401014Bolt · missing(CAN) LOWER NOSE LANDING GEAR ATTACH COLLAR (CAP) HAD ONE OF THE 2 ATTACH BOLTS MISSING AND A GAP WAS EVIDENT ON THE MATING SURFACE ON ONE SIDE. THE FIREWALL, CAP, NOSE GEAR, AND ATTACH BRACKETS WERE INSPECTED FOR DAMAGE WITH NONE FOUND. THE CAP RETENTION HARDApr 1, 2019 · Cessna 172N · Fuselage, Landing Gear Attach FittingsSDR CA190325005Radio · malfunctioned(CAN) WHILE ON FINAL IN THE CIRCUIT, AIRCRAFT X-XXXX LOST RADIO RECEPTION. STUDENT HAD PREFORMED A GO-AROUND, ENTERED TRANSPONDER SQUAWK CODE 7600 AND CALLED TOWER BY CELL PHONE. THE STUDENT RECEIVED LANDING CLEARANCE FROM TOWER AND LANDED WITHOUT INCIDENT. AIMar 21, 2019 · Cessna 172N · Data Transmission Auto CallSDR CA190312013Line · loose(CAN) ACCELERATOR PUMP LINE IN CARBURETOR CAME LOOSE AND STOPPED THROTTLE FROM CLOSING ALL THE WAY. (TC# 20190312013)Mar 12, 2019 · Cessna 172N · Fuel Control/Reciprocating EnginesSDR CA190308022Distributor Blk · damaged(CAN) FACTORY NEW 212.2 HOURS AGO. CUSTOMER NOTED MAGNETO IN `LIVE CONDITION` DURING TIMING VERIFICATION. MAGNETO HOUSING REMOVED AND OBSERVED LH DISTRIBUTOR BLOCK ATTACHING SCREW MISSING. UNEVEN BLOCK DURING OPERATION CAUSED INTERNAL COMPONENTS TO RUB TOGETHEMar 7, 2019 · Cessna 172N · Magneto/DistributorSDR CA190311024Switch · melted(CAN) DURING THE FLIGHT THE PILOT REPORTED SMOKE FROM UNDER THE INSTRUMENT PANEL. UPON INSPECTION IT WAS DISCOVERED THE LANDING LIGHT SWITCH HAD OVERHEATED, PARTIALLY MELTING. THESE SWITCHES HAVE A MANDATORY REPLACEMENT LIFE OF 48 MONTHS. THE FAILED SWITCH WAMar 6, 2019 · Cessna 172N · Exterior Lighting
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