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 96ZZZX5345Gauge · failedOUT OF BOX FAILURE OF LT FUEL GAUGE. NEED SOME QUALITY CONTROL. ROCHESTER, P/N 6247-00133.Oct 11, 1996 · N739TX · Cessna 172N · Fuel Quantity IndicatorSDR 97ZZZX828Discharge Tube · detachedCARBURETOR PUMP DISCHARGE TUBE ASSY CAME ADRIFT INGESTING IN ENGINE, KNOCKING LOOSE THE SOLID COMBUSTION PARTICLES IN THE COMBUSTION CHAMBER WHICH FOULED A NUMBER OF THE SPARK PLUGS SIMULTANEOUSLY LOSING 50 PERCENT OR MORE OF THE POWER. BEING NEXT TO THE AIRSOct 4, 1996 · N5115E · Cessna 172N · Fuel Control/Reciprocating EnginesSDR 96ZZZX5312Magneto · excess wearAFTER INSTALLING A FACTORY REBUILT 3000 SERIES, MAGNETO AIRCRAFT WAS PLACED BACK ON RENTAL STATUS ON 9-27-96, A FLIGHT INSTRUCTOR NOTICED TAKEOFF POWER WAS DOWN BY APPROXIMATELY 200 RPM AT FULL THROTTLE. MAINTENANCE INVESTIGATION REVEALED BOTH SETS OF MAGNETOSep 27, 1996 · N4696G · Cessna 172N · Magneto/DistributorSDR 96ZZZX5226Valve · stem failedPRECAUTIONARY LANDING MADE DUE TO POWER LOSS AND FLUCTUATING OIL PRESSURE. ENGINE WOULD MAINTAIN 1,800 RPM, AT FULL THROTTLE. NR 3 CYLINDER EXHAUST VALVE FAILED JUST ABOVE HEAD/STEM RADIUS. SECONDARY CYLINDER AND PISTON DAMAGE REMNENTS OF VALVE FOUND IN MUFSep 26, 1996 · N737FP · Cessna 172N · Reciprocating Engine Cylinder SectionSDR 96ZZZX5311Magneto · failedDURING CRUISE FLIGHT, ENGINE STOPPED PRODUCING POWER. AN OFF-AIRPORT LANDING MADE WITHOUT INCIDENT. MAINTENANCE INSPECTION REVEALED BOTH SETS OF POINTS IN THE DUAL 2000 SERIES MAGNETO HAD CLOSED CAUSING ENG TO STOP. POINTS WERE RESET AND ENG RAN AND PRODUCESep 2, 1996 · N4696G · Cessna 172N · Magneto/DistributorSDR 96ZZZX5015Mount · defectiveAFTER ORDERING LORD MOUNTS J-9613-49 FOR REPLACMENT OF CESSNA 172N ENGINE, BARRY MOUNTS WERE AUTOMATICALLY SUBSTITUTED BY THE SUPPLIER. SUBMITTER STATED ALTHOUGH THESE ARE APPROVED BY FAA, THEY DO LACK THE CENTER (DAMPER BAG) AND CESSNA RECOMMENDS NOT DOING WSep 2, 1996 · N1558E · Cessna 172N · Engine Mount SectionSDR CA961003002Alternator · failed(CAN) THE AIRCRAFT RETURNED WITH A DEAD BATTERY. THE ALTERNATOR WAS FOUND TO HAVE NO OUTPUT. ALTERNATOR REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.Aug 13, 1996 · Cessna 172N · DC Generator-AlternatorSDR 96ZZZX4148Bearing · failedMAGNETO POINTS WERE NOT OPENING DUE TO EXCESSIVE WEAR ON THE POINTS' CAM FOLLOWER. THIS WEAR WAS ACCELERATED BY A HEAT BUILD-UP ON THE MAGNETO SHAFT GENERATED BY A FAILED REAR BEARING.Aug 12, 1996 · N4949G · Cessna 172N · Magneto/DistributorSDR CA960826092Spar · cracked(CAN) DURING INSPECTION A CRACK WAS DETECTED IN THE CENTRE OF THE SPAR. SPAR WAS REPLACED. CRACKED DETECTED WAS APPROXIMATELY 1 INCH LONG.Aug 9, 1996 · Cessna 172N · Horizontal Stabilizer, Spar/RibSDR AU961106Engine · rough running(AUS) ENGINE RAN ROUGH FOR SEVERAL SECONDS - SUSPECT FUEL PROBLEM - INVESTIGATION COULD FIND NO CAUSE AND THERE WAS NO REPETITION OF THE PROBLEMAug 8, 1996 · Cessna 172N · Engine (Reciprocating)SDR CA960826097Stud · broken(CAN) DURING FLIGHT ENGINE STARTED TO RUN ROUGH. ENGINE POWER REDUCED AND AIRCRAFT LANDED ON HIGHWAY. GROUND INSPECTION FOUND #4 CYLINDER EXHAUST ROCKER STUD BROKE ALLOWING THE ROCKER ARM AND STUD TO FALL INTO THE BOTTOM OF THE ROCKER COVER. THIS RESTRICTED THAug 7, 1996 · Cessna 172N · Reciprocating Engine Cylinder SectionSDR 96ZZZX3884Starter · screws strippedTHREE OF FOUR FORWARD CAP SCREWS HOLDING STARTER MOTOR TO GEARBOX HOUSING THE BENDIX - STRIPPED.Jul 17, 1996 · N733FU · Cessna 172N · Engine StarterSDR 96ZZZX3694Case · crackedLEFT CASE CRACKED BELOW NR 2 CYLINDER BASE. CRACK WAS ABOUT 2.5 INCHES LONG.Jul 8, 1996 · N739PJ · Cessna 172N · Reciprocating Engine Power SectionSDR 96ZZZX3763Crankcase · crackedRIGHT CRANKCASE CRACKED BELOW NR 1 CYLINDER BASE. CRACK WAS APPROXIMATELY 6 INCHES LONG. CASE WAS NOT REPAIRABLE.Jul 5, 1996 · N181SP · Cessna 172N · Reciprocating Engine Power SectionSDR AU960935Spar · cracked(AUS) TAILPLANE FORWARD SPAR AND CENTRE SKIN CRACKED - FOUND DURING INSPECTION IAW AD/C170/59Jul 3, 1996 · Cessna 172N · Horizontal Stabilizer, Spar/RibSDR AU960971Switch · burnt(AUS) ENGINE IGNITION SWITCH CONTACT CUPS (3OFF) PNO A-1196-A AND TERMINAL BOARD PNO A-546-A WORN AND BURNT - FOUND DURING INSPECTION IAW AD/ELEC/59 AMDT1Jun 28, 1996 · Cessna 172N · Ignition SwitchingSDR AU960858Connecting Rod · failed(AUS) NO3 CYLINDER CONNECTING ROD FAILED IN AREA APPROXIMATELY HALF WAY BETWEEN THE BIG END AND THE GUDGEON PIN BUSHING - FAILURE INVESTIGATION FOUND EVIDENCE OF A PRE-EXISTING FLAW IN THE PISTON PIN BEARING HOUSING WHICH WAS HEAVILY OXIDISEDJun 16, 1996 · Cessna 172N · Reciprocating Engine Power SectionSDR 96ZZZX3077Cylinder · defectiveROCKER STUD BACKED OUT CAUSING EXCESSIVE VALVE CLEARANCE WHICH CAUSED THE PUSHROD TO GET JAMMED AND BENT. CYLINDER WAS IN C/W SB 412B (AD 77-20-07) WHICH REQUIRES STUDS TO BE LOCKTITE INTO POSITION. CYLINDER WAS MARKED IAW THIS PROCEDURE. SUBMITTER SUGGESTSMay 29, 1996 · N75616 · Cessna 172N · Reciprocating Engine Cylinder SectionSDR 96ZZZX4750Starter · armature openSTARTER REMOVED DUE TO OPEN IN ARMATURE. FOUND WIRE WINDINGS OF ARMATURE ON DRIVE END WERE POTTED WITH MATERIAL RESEMBLING BODY PUTTY TO INSULATE THE WIRES. ALSO, A PIECE OF A CARDBOARD BOX WAS INSERTED BETWEEN THE COPPER FIELD LEAD AND THE CASE FOR INSULATIMay 8, 1996 · N2212W · Cessna 172N · Engine StarterSDR 96ZZZX3358Venturi · fracturedDURING INSPECTION FOR OVERHAUL, VENTURI WAS FOUND BROKEN AT 3 SUPPORT LEGS AT CENTER OF THE VENTURI.Apr 26, 1996 · N260ER · Cessna 172N · Fuel Control/Reciprocating EnginesSDR AU960504Distributor · damaged(AUS) MAGNETO RH SIDE DISTRIBUTOR GEAR BUSHING LOOSE CAUSING DAMAGE TO THE GEAR SHAFT - MAGNETO CAPACITOR OPEN CIRCUITEDApr 17, 1996 · Cessna 172N · Magneto/DistributorSDR AU960469Clamp · faulty(AUS) DUAL MAGNETO RETAINING CLAMP ALLOWED MAGNETO TO ROTATE ON THE MOUNTINGApr 11, 1996 · Cessna 172N · Magneto/DistributorSDR CA960418015Breaker Points · worn(CAN)ON THE 100 HOUR INSPECTION, BOTH MAGNETOS HAD BEEN CHECKED FOR CONDITION AND TIMING AS CALLED FOR IN THE CESSNA INSPECTION PROGRAM AND A POST INSPECTION RUN-UP DONE WITH ALL ENGINE PARAMETERS FOUND NORMAL. ON THE FIRST FLIGHT AFTER INSPECTION, A POWER LOSApr 9, 1996 · Cessna 172N · Magneto/DistributorSDR AU960434Carburettor · faulty(AUS) CARBURETTOR FAULTY - SUSPECT TEMPORARY CONTAMINATION OR INTERMITTENT FAILURE COMBINED WITH NON FIRING OF NO4 CYLINDERCAUSED ROUGH RUNNING ENGINE - CARBURETTOR ICING WAS DISMISSED AS THE CAUSEApr 1, 1996 · Cessna 172N · Fuel Control/Reciprocating EnginesSDR CA960412002Gear · sheared teeth(CAN)IN CRUISE, ENGINE SUDDENLY RAN ROUGH AND RPM DROPPED. MAG CHECK INDICATED LEFT MAG DEAD. MAGNETO REMOVED FOR TEST. PLASTIC GEAR HAD 12 TEETH SHEARED OFF. THIS MAG HAD BEEN OVERHAULED BY REPAIR STATIONUT2R226L.Mar 28, 1996 · Cessna 172N · Magneto/DistributorSDR 96ZZZX2064Contact Assy · looseENGINE FAILED TO MAKE FULL STATIC RPM ON GROUND. UPON FURTHER INSPECTION, IT WAS DETERMINED TO BE A MAGNETO PROBLEM. UPON OPENING MAG COVER, BOTH SETS OF CONTACTS WERE FOUND TO BE LOOSE. THE CONTACT ASSY SCREW (NOT MOUNTING SCREWS) WERE DETERMINED TO BE LOOMar 27, 1996 · N739NT · Cessna 172N · Magneto/DistributorSDR 96ZZZX1778Bulkhead · crackedDURING AN ANNUAL INSPECTION, THE LOWER REAR CABIN DOORPOST BULKHEAD WAS FOUND CRACKED ON THE LEFT AND RIGHT SIDES AT THE POINT WHERE THE CABIN FLOOR AND BULKHEAD MEET. THE CRACK BEGINS AT A RADIUS RELIEF POINT AND PROPAGATES TO THE UPPER MOUNTING HOLE OF THE Mar 21, 1996 · Cessna 172N · Fuselage Main, BulkheadSDR AU960348Line · separated(AUS) PITOT SYSTEM PRESSURE LINE SEPARATED FROM CONNECTION TO HOURMETER AIRSPEED SWITCH - SUSPECT LINE DISCONNECTED DURING REFITMENT OF TACH INDICATOR DURING AD/INST/9 CALIBRATION CHECK WHICH WAS CARRIED OUT FOLLOWING PITOT/STATIC CALIBRATION CHECKMar 14, 1996 · Cessna 172N · Pitot/Static SystemSDR AU960266Hub · corroded(AUS) WHEEL HUB CORRODED - THREADS STRIPPED ALLOWING WHEEL FLANGE AND TYRE TO SEPARATE FROM HUBMar 6, 1996 · Cessna 172N · Wheel/Ski/FloatSDR CA960429003Valve Cover · worn(CAN) AIRCRAFT LOST POWER ON TAKEOFF ROLL. THE TAKEOFF WAS ABORTED. WHEN THE FUEL SELECTOR WAS MOVED THE POWER WAS RESTORED. INSPECTION OF THE VALVE SHOWED WEAR TRACKS BETWEEN THE DETENT LOCKING HOLES SO THAT POSITIONING OF THE SELECTOR HANDLE WAS NOT IN THE PMar 1, 1996 · Cessna 172N · Fuel Selector/Shut-Off ValveSDR CA960429004Exhaust Valve · sticking(CAN)PERFORMING CESSNA SEB92-21 (LYC SB388B), #4 CYLINDER EXHAUST VALVE TO GUIDE CLEARANCE BELOW SPECIFIED. REWORKED IN ACCORDANCE WITH LYCOMING SI 1425. SB WAS NOT DUE FOR ANOTHER 170 HOURS.Feb 26, 1996 · Cessna 172N · Reciprocating Engine Cylinder SectionSDR 96ZZZX1772Vent Line · deterioratedFUEL VENT LINE CONNECTING HOSES DETERIORATED TO THE POINT OF LEAKAGE OF FUEL IN THE WING ROOT AREA. ALL 3 HOSES ON BOTH SIDES NEEDED REPLACING DUE TO AGE.Feb 19, 1996 · N2165E · Cessna 172N · Aircraft Fuel Distribution SystemSDR 96ZZZX1710Geartooth · brokenREMOVED MAGNETO DUE TO ROUGH ENGINE. FOUND A TOOTH BROKEN OFF OF LEFT DISTRIBUTOR GEAR. MAGNETO WAS ON A LYCOMING FACTORY OVERHAUL. MAGNETO WAS OVERHAULED BY ELECTRO SYSTEMS, INC.Feb 14, 1996 · N1465E · Cessna 172N · Magneto/DistributorSDR 96ZZZX853Clamp Nut · missingRIGHT MAGNETO TOP ATTACHMENT MISSING. CLAMP, 66M21195. WASHER, STD-475. WASHER, STD-1727. NUT, STD-1410. RIGHT MAGNETO INSTALLED 10-12-95. TOTAL TIME 168 HOURS. ACFT TT 4,328.5 HOURS.Feb 10, 1996 · N734FH · Cessna 172N · Magneto/DistributorSDR AU960389Door Post · cracked(AUS) LH AND RH DOOR POST CRACKED FROM RELIEF RADIUS AT FLOOR LEVEL TO HIGH SHEAR FASTENER HOLE ON LH POST AND EXTENDING APPROXIMATELY7.937MM (0.3125IN) PAST HIGH SHEAR FASTENER HOLE ON RH POST - MAXIMUM CRACK LENGTH OF 31.75MM (1.25IN) EXTENDING OUTBOARD FROJan 15, 1996 · Cessna 172N · Fuselage Miscellaneous StructureSDR AU960039Door Post · cracked(AUS) AFT DOOR POST ASSEMBLY CRACKED IN AREA OF INNER RELIEF AT FS 65.3 TOWARDS OUTBOARD LANDING GEAR HOUSING FASTENERSJan 12, 1996 · Cessna 172N · Fuselage Miscellaneous StructureSDR AU960038Brush · worn(AUS) ALTERNATOR BRUSHES WORN EXCESSIVELY - PIGTAIL JUNCTION WORN INTO SLIP RINGJan 12, 1996 · Cessna 172N · DC Generator-AlternatorSDR CA960122021Spar · cracked(CAN)DURING THE PERFORMANCE OF SEB 94-8 THE FRONT SPAR OF THE HORIZONTAL STABILIZER WAS FOUND CRACKED AT THE LIGHTENING HOLE.Jan 10, 1996 · Cessna 172N · Horizontal Stabilizer, Spar/RibSDR 96ZZZX371Line · loosePILOT REPORTED SMOKE IN COCKPIT AFTER APPLYING CABIN HEAT. REMOVED COWLING AND INSPECTED MUFFLER ASSEMBLY. SMALL OIL STAIN ON MUFFLER SHROWD. FOUND OIL RETURN LINES WERE SLIGHTLY 'WET' WITH OIL. TIGHTENED OIL RETURN LINE CLAMPS. WASHED DOWN ENGINE AND MUFDec 22, 1995 · N738UD · Cessna 172N · Reciprocating Engine Oil SystemSDR 97ZZZX3333Magneto · teeth shearedTEETH ON DISTRIBUTOR GEAR WERE SHEARED CAUSING A SEVERE MAG DROP ON LEFT MAGNETO SIDE. CAUSE UNKNOWN. A MAGNETO LOCKING TOOL WAS NOT USED DURING INSTALLATIONS AFTER AD COMPLIANCES. THIS IS A SINGLE POINT DUAL MAGNETO.Dec 11, 1995 · N733SW · Cessna 172N · Magneto/DistributorSDR 97ZZZX3328Magneto · teeth strippedTEETH ON DISTRIBUTOR GEAR WERE SHEARED CAUSING A VERY SEVERE MAG DROP ON RIGHT MAGNETO SIDE. A MAGNETO LOCKING TOOL WAS NOT USED DURING INSTALLATIONS AFTER AD CHECKS. THIS IS A SINGLE POINT DUAL MAGNETO.Dec 11, 1995 · N5855E · Cessna 172N · Magneto/DistributorSDR 96ZZZX84Regulator · wire detachedFIELD WIRE SEPARATED FROM CONNECTOR PLUG ON THE ALTERNATOR CONTROL UNIT. SUSPECT CAUSE - VIBRATION AND FATIGUE ON WIRE.Dec 4, 1995 · N737LD · Cessna 172N · DC RegulatorSDR CA951221030Collar · broken(CAN)DURING ROUTINE MAINTENANCE FOUND CRACKED COLLAR ON THE NOSE GEAR. REMOVED STEERING COLLAR AND FOUND BROKEN BEARING. REPLACED PARTS AND RETURNED AIRCRAFT TO SERVICE.Nov 28, 1995 · Cessna 172N · Landing Gear Steering SystemSDR 96ZZZX81Plate · corrodedSPAR CAP ANGLE EXHIBITED INTERGRANULAR CORROSION IN SEVERAL LOCATIONS ALONG ITS LENGTH AND AFFECTED THE DOUBLER PLATE AT THE POINTS WHERE THE CORROSION CONTACTED. SUBMITTER STATED THIS INTERGRANULAR CORROSION IS DISPLAYING SIGNS OF PRESENCE IN THE LT SPAR CAPNov 7, 1995 · N6390J · Cessna 172N · Wing SparSDR 96ZZZX80Angle · corrodedSPAR CAP ANGLE EXHIBITED INTERGRANULAR CORROSION IN SEVERAL LOCATIONS ALONG ITS LENGTH AND AFFECTED THE DOUBLER PLATE AT THE POINTS WHERE THE CORROSION CONTACTED. SUBMITTER STATED THIS INTERGRANULAR CORROSION IS DISPLAYING SIGNS OF PRESENCE IN THE LT SPAR CAPNov 7, 1995 · N6390J · Cessna 172N · Wing SparSDR 96ZZZX79Angle · corrodedSPAR CAP ANGLE EXHIBITED SEVERE INNER CORROSION IN 2 LOCATIONS AND MODERATE INTERGRANULAR CORROSION IN SEVEREAL OTHER LOCATIONS. CORROSION AFFECTED THE DOUBLER PLATE WHERE THE POINT OF CORROSION CONTACTED.Nov 7, 1995 · N7598D · Cessna 172N · Wing SparSDR 95ZZZX6573Valve · stuckSOME POWER LOSS WAS NOTED AFTER TAKEOFF WHEN EXHAUST VALVE STUCK. SUBMITTER SUGGESTS LYCOMING SERVICE BULLETINS BE COMPLIED WITH.Nov 7, 1995 · N738BF · Cessna 172N · Reciprocating Engine Cylinder SectionSDR CA951120013Valve Guide · cracked(CAN) DURING DIFFERENTIAL COMPRESSION CHECK IT WAS FOUND THAT NR 3 CYLINDER HAD A SEVERE EXHAUST LEAK (20/80). AFTER REMOVAL AND INSPECTION OF THE NR 3 CYLINDER IT WAS REVEALED THAT THE EXHAUST VALVE GUIDE WAS CRACKED AND BADLY WORN AS A RESULT OF THE LONGITUOct 30, 1995 · Cessna 172N · Reciprocating Engine Cylinder SectionSDR 95ZZZX6176Stabilizer · corrodedDURING THE ANNUAL INSPECTION, THE HORIZONTAL STABILIZER ASSEMBLY WAS FOUND CORRODED BEYOND ECONOMICAL REPAIR LIMITS. INTERNAL PORTION OF STABILIZER ASSY IS VERY DIFFICULT TO INSPECT WITH THE ELEVATOR ASSY INSTALLED. SUBMITTER RECOMMENDS EXTRA EFFORT TO THOROOct 2, 1995 · N5138K · Cessna 172N · Horizontal Stabilizer StructureSDR 95ZZZX6441Spar · crackedFOUND 3 CRACKS AT LIGHTENING HOLE IN FRONT SPAR OF HORIZONTAL STABILIZER (CENTER SECTION), APPROXIMATELY .75 INCH EACH. SUSPECT CAUSE - IMPROPER GROUND HANDLING. RECOMMENDATION - USE TOW BAR.Sep 27, 1995 · N4QQ · Cessna 172N · Horizontal Stabilizer, Spar/Rib
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