Cessna 172M

Service difficulty reports · 589

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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 = '172M'
  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 CA000606034Propeller · eroded(CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION.Jun 6, 2000 · Cessna 172M · Propeller Blade SectionSDR 20000615SH011Seat · failedWHEN SEAT CRANK IS TURNED, PIN RUBS ON VERTICAL ADJUST SCREW ASSY. IT CATCHES AT MAX ADJUSTMENT AND PREVENTS FULL SEAT ADJUST PIN ENGAGEMENT. SUBMITTER SUGGESTED A POSSIBLE MANUFACTURER DEFECT. (X)May 24, 2000 · N64427 · Cessna 172M · Flight Compartment EquipmentSDR CA000530033Propeller · corroded(CAN) CORROSION ON CAMBER AND FACE OF PROPELLER BLADE.May 17, 2000 · Cessna 172M · Propeller Blade SectionSDR CA000516003Screen · deteriorated(CAN) DURING INSPECTION, THE OIL SCREEN WAS FOUND TO BE DETERIORATING AND BEGINNING TO FRAY IN ONE AREA. THE SUBMITTER SUGGESTS THAT THE SCREEN WAS DETERIORATING DUE TO OLD AGE AND REPEATED CLEANINGS.May 9, 2000 · Cessna 172M · Reciprocating Engine Oil SystemSDR CA000516002Battery · damaged(CAN) LOOSE BATTERY CELLS IDENTIFIED.May 5, 2000 · Cessna 172M · Emergency Locator BeaconSDR CA000511038Flap Track · cracked(CAN) FOLLOWING A SIMULATED FORCED APPROACH, THE INSTRUCTOR AND STUDENT HEARD A LOUD BANG AS THE FLAPS WERE RETRACTING. THE FLAPS CONTINUED TO RETRACT TO THE FULL UP POSITION AND THE FLIGHT CONTINUED BACK TO BASE AND LANDED UNEVENTFULLY.MAINTENANCE PERSONNEL May 4, 2000 · Cessna 172M · Trailing Edge FlapsSDR 20000517SH025Hose · blockedDURING ANNUAL INSP, ORIG OIL BREATHER LINE FOUND WEATHER CHECKED AND DETERMINED UNAIRWORTHY. NEW LINE WAS CUT OFF OF BULK LENGTH STOCK AND REPLACED ORIG LINE IAW STD PRACTICES, AFTER LINE REPLACED, ACFT TEST RUN, ENG RUN-UP ON GROUND AT TAKEOFF POWER, CRUISE May 2, 2000 · N64448 · Cessna 172M · Engine Oil Distribution (Airframe Furnished)SDR CA000511042Switch · contaminated(CAN) ELT FALSE ALARM - EVIDENCE OF MOISTURE ON REMOTE SWITCH PLUG END.Apr 17, 2000 · Cessna 172M · Emergency Locator BeaconSDR CA000329010Flap Track · loose(CAN) THE PILOT REPORTED THE FLAPS WOULD NOT RETRACT FULLY. MAINTENANCE FOUND THE FLAPS JAMMED DUE TO A LOOSE FLAP TRACK. THE RIVETS AT THE BOTTOM OF THE FLAP TRACK HAD SHEARED.Mar 29, 2000 · Cessna 172M · Trailing Edge FlapsSDR 20000330SH014Circuit Breaker · failedDURING FLIGHT, PILOTS SMELLED BURNING PLASTIC OR WIRING, THEN SAW SMOKE AND SPARKS COMING FROM THE MECHANICAL PRODUCTS 60 AMP ALTERNATOR CIRCUIT BREAKER. PILOTS TURNED OFF MASTER SWITCH AND SMOKE AND SMELL DISSIPATED, LANDED WITHOUT INCIDENT. MAINTENANCE INSMar 2, 2000 · N9897Q · Cessna 172M · DC Power Distribution SystemSDR 20000417SH003Alternator · failedSMOKE IN COCKPIT. TROUBLESHOT SYSTEM, FOUND ALTERNATOR BEARING FROZE. REPLACED ALTERNATOR WITH OVERHAUL UNIT, PN DOFF10300J, SN A-100167. (X)Feb 29, 2000 · N9723V · Cessna 172M · DC Generator-AlternatorSDR 20000413SH054Cylinder · damagedPILOT REPORTED ROUGH RUNNING ENGINE AND LOW RPM. MAINTENANCE FOUND NR 4 CYLINDER HAD EXHAUST VALVE STUCK OPEN, NR 4 CYLINDER PUSH ROD AND HOUSING WERE BENT WITH NO OIL LEAKAGE. THE PISTON WAS NOT DAMAGED AND NO METAL FOUND IN THE ENGINE OIL FILTER. (X)Feb 28, 2000 · N9621V · Cessna 172M · Reciprocating Engine Cylinder SectionSDR 20000329SH041Fuel Line · chafedAIRCRAFT ACQUIRED FOR USE IN A FLIGHT SCHOOL. DURING ITS INITIAL INSP (ANNUAL), A FUEL LINE WAS FOUND CHAFING HARD AGAINST THE STEERING ROD. THIS FUEL LINE IS LOCATED BETWEEN FUEL SELECTOR VALVE AND FUEL STRAINER AND PASSES UNDER COPILOT''S RUDDER PEDALS. EFeb 20, 2000 · N73366 · Cessna 172M · Aircraft Fuel Distribution SystemSDR 20000329SH004Carburetor · contaminatedA ROUGH RUNNING ENGINE, AND A LOSS OF ENGINE POWER (MAXIMUM RPM 2200) CAUSED PILOT TO MAKE A PRECAUTIONARY LANDING. TECHNICIAN INSPECTED THE INDUCTION SYSTEM AND FOUND THE CARBURETOR HEAT AIR VALVE SEAL MATERIAL HAD SEPARATED AND WAS INGESTED BECOMING LODGEDFeb 14, 2000 · N5259R · Cessna 172M · Fuel Control/Reciprocating EnginesSDR CA000201008Solenoid · failed(CAN) THE AIRCRAFT LOST ALL ELECTRICAL POWER DURING CRUISE FLIGHT. THE AIRCRAFT LANDED SAFELY. MAINTENANCE PERSONEL REPLACED THE BATTERY SOLENOID AND THE MASTER SWITCH.Jan 25, 2000 · Cessna 172M · Battery/Charger SystemSDR AU000201008Solenoid · failed(AU) THE AIRCRAFT LOST ALL ELECTRICAL POWER DURING CRUISE FLIGHT. THE AIRCRAFT LANDED SAFELY. MAINTENANCE PERSONNEL REPLACED THE BATTERY SOLENOID AND THE MASTER SWITCH.Jan 25, 2000 · Cessna 172M · Battery/Charger SystemSDR 2000ZZZX62Airbox · misrepairedAIRCRAFT LANDED WITH A ROUGH RUNNING ENGINE WITH BLACK SMOKE EXITING FROM THE EXHAUST PIPE. UPON INSPECTION OF THE AIRBOX, NOTED THERE WAS SEAL MATERIAL MISSING FROM THE DIVERTER SEAL AND THAT A NUMBER OF AUTOMOTIVE STYLE POP RIVETS WERE MISSING FROM A PREVIOJan 5, 2000 · N13613 · Cessna 172M · Fuel Control/Reciprocating EnginesSDR 2000ZZZX49Screw · looseDURING SCHEDULED INSPECTION, CARBURETOR THROTTLE BODY TO BOWL SCREWS WERE FOUND LOOSE. REMOVED FROM ENGINE, INSPECTION REVEALED NO FURTHER DEFECTS. NEW GASKET AND LOCKING TABS INSTALLED. CAUSE: POSSIBLE GASKET SHRINKAGE OR UNDERTORQUE OF SCREWS. SUSPECT GADec 17, 1999 · N20345 · Cessna 172M · Fuel Control/Reciprocating EnginesSDR 2000ZZZX262Camshaft · failedMETAL FOUND IN OIL FILTER DURING ROUTINE INSPECTION. ENGINE CAM LOB FAILURE. POSSIBLE INCORRECT HARDENEING PROCEDURES ON CAM.Dec 13, 1999 · N9934Q · Cessna 172M · Reciprocating Engine Power SectionSDR 99ZZZX4209Muffler · leakingMUFFLERS ONLY LAST 500 TO 800 HOURS BEFORE EXHAUST STARTS LEAKING AT TAILPIPE JUNCTION TO MUFFLER CAN. TAILPIPE NEEDS TO BE WELDED INSIDE MUFFLER CAN TO CLOSE CAM JUNCTION.Nov 1, 1999 · N9627Q · Cessna 172M · Engine Noise SuppressorSDR 99ZZZX4208Lock Plate · failedBODY TO BOWL SCREWS LOOSE. ONE LOCK PLATE MISSING WITH SCREW STILL IN HOLE. ALL LOCK PLATES BROKEN ALLOWING SCREWS TO LOOSEN AND BOWL TO SEPARATE. LOCK PLATES BAD.Nov 1, 1999 · N9627Q · Cessna 172M · Fuel Control/Reciprocating EnginesSDR 20000515SH012Exhaust Valve · damagedENGINE HAD ERRATIC IDLE AND WAS GETTING WORSE. W.O.T. POWER NORMAL. STARTED ENGINE COLD AND FOUND NR 4 EXHAUST COLD. CHECKED LIFTER DROP CLEARANCE, FOUND IT WAS ZERO AND EXHAUST VALVE SUNK IN SEAT. REMOVED CYLINDER, FOUND BROKEN KEEPERS, WORN KEEPERS GROOVOct 28, 1999 · N13818 · Cessna 172M · Reciprocating Engine Cylinder SectionSDR 99ZZZX4498Float Bowl · loosePILOT REPORTED ENGINE WOULD NOT IDLE. REMOVED COWLING. FOUND FLOAT BOWL LOOSE. THREE LOCK TABS MISSING. THE FOURTH LOCK TAB CRACKED. ALL BOLTS VERY LOOSE.Oct 27, 1999 · N13628 · Cessna 172M · Fuel Control/Reciprocating EnginesSDR CA991112012Spar · cracked(CAN) DURING SCHEDULED MAINTENANCE, THE HORIZONTAL STABILIZER FORWARD SPAR WAS FOUND CRACKED AROUND THE CENTER LIGHTENING HOLE.Oct 21, 1999 · Cessna 172M · Horizontal Stabilizer, Spar/RibSDR CA991209001Capacitor · failed(CAN) MAGNETO SNAGGED AS U/S ON AIRCRAFT BUT TESTED OK ON THE TEST BENCH. THE MAGNETO WAS DISASSEMBLED FOR INSPECTION AND WHEN THE CAPACITOR WAS TESTED, IT SHOWED EXCESSIVE CURRENT LEAKAGE TO GROUND. THE SUBMITTER STATES THAT THE SUBJECT CAPACITOR TESTED OK ASep 29, 1999 · Cessna 172M · Magneto/DistributorSDR CA991229017Roller · seized(CAN) A SEIZED FLAP ROLLER DEVELOPED A FLAT SPOT, CAUSING IT TO BIND IN THE FLAP TRACK, RESULTING IN FLAP SYSTEM MALFUNCTION.Sep 21, 1999 · Cessna 172M · Trailing Edge FlapsSDR 99ZZZX3604Carburetor · looseOWNER COMPLAINED THAT THE AIRCRAFT WOULD NOT SHUT DOWN USING THE MIXTURE CONTROL. MAINTENANCE PERFORMED ENGINE RUN, NORMAL. PERFORMED ONE MORE RUN AND COULD NOT SHUT DOWN USING MIXTURE CONTROL. TROUBLESHOT SYSTEM, FOUND ALL 4 SCREWS HOLDING THE 2 HALVES OF TAug 29, 1999 · N6996H · Cessna 172M · Fuel Control/Reciprocating EnginesSDR 99ZZZX4053Magneto · failedRIGHT MAGNETO FAILED. MAJOR WORK ON BOTH MAGS APPROXIMATELY 850 HOURS AGO. NO MENTION OF POINTS OR CONDENSOR AT THAT TIME. 500-HOUR INSPECTIONS C/W APPROXIMATELY 200 HOURS AGO. APPEARS MAG HAD 1,646 HOURS SINCE NEW.Aug 27, 1999 · N61612 · Cessna 172M · Magneto/DistributorSDR 99ZZZX3173Line · chafedDURING REMOVAL OF THE NR 2 CYLINDER, MECHANIC NOTED B-NUT ON THE NR 2 CYLINDER FUEL LINE LOCATED AT THE T-FITTING WAS WORN. THE B-NUT HAD BEEN CHAFING AGAINST THE STARTER MOTOR CABLE AND HAD WORN THE FUEL LINE NUT TO AN UNSERVICEABLE CONDITION. REPLACED B-NUAug 18, 1999 · N12129 · Cessna 172M · Engine Fuel DistributionSDR 99ZZZX3172Valve · corrodedDURING A ROUTINE COMPRESSION CHECK, CYLINDER AIR PRESSURE ABOVE 6 PSI COULD NOT BE MAINTAINED IN NR 2 CYLINDER. AIR WAS FELT ESCAPING FROM THE INDUCTION AIRBOX. MECHANIC TAPPED ON INTAKE VALVE WITH A DRIFT. SUBSEQUENT COMPRESSION CHECKS FAILED AS WELL. CYLAug 18, 1999 · N12129 · Cessna 172M · Reciprocating Engine Cylinder SectionSDR CA990907053Spring · disconnected(CAN) PILOT REPORTED UNEVEN RUDDER PEDAL EFFORT WHILE TAXIING. RUDDER PEDAL RETURN SPRING FOUND DISCONNECTED. NO DAMAGE OR MISRIGGING WAS NOTED WITH THE SPRING OR THE RUDDER CONTROL SYSTEM.Aug 7, 1999 · Cessna 172M · Rudder Control SystemSDR CA990907089Sealer · dislodged(CAN) SEALER USED IN ASSEMBLY OF CARBURETOR. HEAT BOX DISLODGED AND CAUGHT AROUND CARBURETOR VENTURI.Aug 6, 1999 · Cessna 172M · Engine Air Intake SystemSDR CA990728069Pump · worn(CAN) AD 96-09-10C FOUND NOT EMBODIED ON AIRCRAFT. OIL PUMP EMANENT FAILURE WAS TO RESULT.Jul 12, 1999 · Cessna 172M · Reciprocating Engine Rear SectionSDR 99ZZZX2783Alternator · separatedELECTRO SYSTEMS - AIRPORT COMPLEX FORT DEPOSIT AL 36032. ALTERNATORS ARE SEPARATING AT CASE HALVES AND ARE NOT PROVIDING SUFFICIENT ELECTRICAL POWER FOR AIRCRAFT CAUSING LOW VOLTAGE/HIGH VOLTAGE LIGHTS TO COME ON AND OFF. CIRCUMSTANCE IS NORMAL FLYING.Jul 7, 1999 · N172RJ · Cessna 172M · AC Generator-AlternatorSDR CA990729006Transistor · melted(CAN) TRANSISTOR IN NAVCOM UNIT MELTED.Jun 24, 1999 · Cessna 172M · VHF Communications SystemSDR AU990534Camshaft · worn(AUS) CAMSHAFT REAR LOBE WORN EXTENSIVELY.Apr 12, 1999 · Cessna 172M · Reciprocating Engine Power SectionSDR 99ZZZX1608Line · leakingODOR OF AVIATION FUEL (STRONG) IN CABIN. AIRCRAFT RETURNED TO BASE. MAINTENANCE INSPECTION DISCOVERED LEAKS AT TWO OF SIX HOSES. SUBMITTER STATED ALL HOSES WERE NEAR TOTAL FAILURE.Mar 26, 1999 · N80842 · Cessna 172M · Fuel StorageSDR AU990319Bulkhead · cracked(AUS) REAR DOOR POST BULKHEAD CRACKED ON BOTH SIDES.Mar 24, 1999 · Cessna 172M · Fuselage Main, BulkheadSDR 99ZZZX1112Wheel · crackedWHILE REPLACING TIRE, INSPECTED OUTER WHEEL FLANGE FOR CRACKS AND FOUND FLANGE CRACKED AT HUB CAP ATTACH POINTS. REPLACED OUTER WHEEL FLANGE.Mar 3, 1999 · N6956H · Cessna 172M · Wheel/Ski/FloatSDR 99ZZZX578Control Cable · frayedDURING A 100-HOUR INSPECTION, FOUND THE UP ELEVATOR CABLE FRAYED AFTER REMOVING THE PULLEY FOR REPLACEMENT.Jan 25, 1999 · N12944 · Cessna 172M · Elevator Control SystemSDR 99ZZZX999Breaker · failed500-HOUR MAGNETO INSPECTION ACCOMPLISHED ON RIGHT AND LEFT MAGNETOS, 4200 SERIES. NEW BREAKER ASSY'S INSTALLED P/N M-3081, MANUFACTURE DATE 9-20-98. MAGNETOS INTERNALLY TIMED AND RE-ASSEMBLED. INSTALLED MAGNETO ON ENGINE AND L-TIMING LIGHT WOULD NOT GO OUT Jan 8, 1999 · N1370U · Cessna 172M · Magneto/DistributorSDR CA981230008Strap · worn(CAN) EXCESSIVE FUEL STAINS NOTED ALONG LOWER SURFACE OF WING EXTENDING FROM ROOT ALONG REAR SPAR THE FULL LENGTH OF FLAP AT STA 100.5. FURTHER INVESTIGATION FOUND BOTH INBOARD STRAPS HAD SEPARATED AND WERE NO LONGER SECURING THE TANK. LEAK WAS CAUSED BY OUTDec 7, 1998 · Cessna 172M · Fuel StorageSDR 99ZZZX942Filter · shortedDURING FLIGHT, THE CONDENSER BROKE OFF THE BACK OF THE ALTERNATOR AND SHORTED OUT BETWEEN POWER (A+) AND THE FIELD WIRE (F). THIS CAUSED THE ALTERNATOR TO GO TO FULL OUTPUT. THE PILOT THEN SHUT OFF THE MASTER WHICH SUBMITTER BELIEVED ALLOWED THE ALTERNATOR TDec 4, 1998 · N1854V · Cessna 172M · DC Generating SystemSDR CA981207010Line · worn(CAN) ON TWO OCCASIONS DURING THE PRECEDING WEEK,THIS SUBMITTER FOUND THE FUEL LINE RUNNING FROM THE RIGHT PEDESTAL TO THE FUEL STRAINER AT THE FIRWALL HAD BEEN CHAFED BY THE NOSE WHEEL STEERING TUBE. THIS WAS FOUND ON TWO DIFFERENT AIRCRAFT.Nov 18, 1998 · Cessna 172M · Aircraft Fuel Distribution SystemSDR 98ZZZX4614Magneto · crackedFOUND DISTRIBUTOR BLOCK CRACKED DURING A 500-HOUR INSPECTION. CRACK RADIATES FROM BEARING OUTWARD APPROXIMATELY .25 INCH. APPEARS TO COME FROM STRESS, IN THAT AREA.Nov 18, 1998 · N172WE · Cessna 172M · Magneto/DistributorSDR 98ZZZX4565Spring · brokenDURING PRE-FLIGHT INSPECTION, NOTED WITH NOSE GEAR TURNED LEFT, THE RUDDER REMAINED FULL RIGHT. INSPECTION FOUND LEFT RUDDER RETURN SPRING BROKEN IN LEFT CONSOLE. SPRING COULD HAVE INTERFERRED WITH RUDDER CONTROL. REPLACED SPRING. SUBMITTER SUGGESTED LIFE Nov 12, 1998 · N503MA · Cessna 172M · Rudder Control SystemSDR 98ZZZX4564Spring · brokenWHILE TROUBLESHOOTING AN OIL LEAK, FOUND NR 3 CYLINDER PUSH ROD HOUSING RETAINER SPRING BROKEN.Nov 12, 1998 · N503MA · Cessna 172M · Reciprocating Engine Cylinder SectionSDR 98ZZZX4488Vacuum Filter · cloggedDIRECTIONAL GYRO FAILED DURING REPAIR. INSPECTED ALL VACUUM FILTERS FOR CONDTION. B3-54 FILTER BROWN IN COLOR AND 1J10-1 FILTER WAS ORIGINAL FILTER FROM DAY OF MANUFACTURE OF AIRCRAFT. DATE CODE FOUND ON FILTER 2Q74. REPLACED BOTH FILTERS. SUBMITTER STATEOct 19, 1998 · N61571 · Cessna 172M · Vacuum Distribution SystemSDR 98ZZZX4263Filter Assy · crackedAIR SCREEN CRACKED AROUND ENTIRE OUTSIDE, GOES AROUND THE GREY GLUE INSIDE OF FRAME. GASKET REMAINS IN VERY GOOD CONDITION.Oct 15, 1998 · N20109 · Cessna 172M · Engine Air Intake SystemSDR CA981109015Blade · damaged(CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. STONE DAMAGE WAS FOUND ON THE BLADES LEADING EDGES AND FACES. THE DAMAGE WAS TRIMMED OUT.Oct 14, 1998 · Cessna 172M · Propeller Blade Section
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