Lycoming IO-360-L2A

Service difficulty reports · 994

Newest first. General aviation reporting is voluntary.

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 engine_model_key = 'IO360L2A'
  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 GM82004F00003Alternator · failedALTRNATOR, LOW FIELD RESISTANCE.Sep 22, 2004 · N77LU · Cessna 172R · DC Generator-AlternatorSDR GM82004F00004Alternator · shortedALTERNATOR, FIELD SHORT TO GROUND, ROTOR JAMMED.Sep 22, 2004 · N78LU · Cessna 172R · DC Generator-AlternatorSDR GM82004F00005Alternator · inoperativeALTERNATOR, INOPERATIVE.Sep 22, 2004 · N79LU · Cessna 172R · DC Generator-AlternatorSDR CA040916010Switch · worn(CAN) WHILE PERFORMING ROUTINE MAINTENANCE ON THE AIRCRAFT, IT WAS NOTED THAT THE LANDING LIGHT SWITCH WAS FUNCTIONING INTERMITTENTLY. PREVIOUS EXPERIENCE WITH THIS TYPE OF DEFECT URGED US TO REPLACE THE SWITCH WITH A NEW PART. THE OLD SWITCH WAS OPENED UP TSep 16, 2004 · Cessna 172R · Exterior LightingSDR CA040907002Alternator · damaged(CAN) ALTERNATOR CHARGING SYSTEM WOULD NOT COME ONLINE. TROUBLESHOOTING REVEALED THAT EVERYTHING SHOULD BE WORKING NORMALLY. HOWEVER SYSTEM WOULD NOT CHARGE. ALL VOLTAGES (IAW M.M.) APPEARED TO BE NORMAL BUT STILL THE CHARGING SYSTEM WAS SHOWING A DISCHARGE.Aug 25, 2004 · Cessna 172S · AC Generator-AlternatorSDR 2004FA0000739Controller · failedALTERNATOR VOLTAGE WENT OVER VOLT. OV PROTECTION FAILED AND BUSS VOLTAGE WENT WAY HIGH BURNING UP EVERTHING THAT WAS TURNED ON INCLUDING NAV LIGHTS, LANDING AND TAXI LIGHTS, ALL RADIOS, MOST INSTRUMENT LIGHTS AND ALL ELEC INSTRUMENTS, ANNUNCIATOR PANEL, INTERAug 12, 2004 · N45EF · Cessna 172S · AC Power Distribution SystemSDR 2004FA0000673Cylinder · detachedTHE CREW REPORTED A SEAT BACK WHICH WOULD NOT RECLINE PROPERLY. THE MAINTENANCE TECHNICIAN INSPECTED THE SEAT MECHANISM AND FOUND THE SEAT RECLINING ACTUATOR WAS BROKEN AT THE AFT ATTACH POINT. THE BREAKAGE WAS AT THE USAGE POINT.Aug 10, 2004 · N437ER · Cessna 172S · Flight Compartment EquipmentSDR 2004FA0000746Spar · damagedDURING INSP, HORIZONTAL STABILIZER WAS FOUND TO BE LOOSE AT BOTH FORWARD SPAR MOUNT HOLES. ENTIRE EMPENNAGE WAS REMOVED FROM AIRFRAME FOR DETAILED INSP. BOTH HOLES AT STABILIZER SPAR AND FORWARD BULKHEAD WERE FOUND TO BE ELONGATED .316 INCH TO .319 INCH. BOAug 2, 2004 · N4190V · Cessna 172R · Horizontal Stabilizer, Spar/RibSDR CA040629007Capacitor · chafed(CAN) INTERMITTANT OCCURRENCE OF ALTERNATOR FAILING TO STAY ON LINE. INCORRECT POSITIONING OF CAPACITOR ALLOWED UNIT TO CHAFE AGAINST ENGINE BAFFLING UNTIL INTERNAL PORTION WAS EXPOSED CAUSED INTERMITTENT SHORT.Jun 25, 2004 · Cessna 172R · DC Generating SystemSDR AUS20040505Control Rod · bent(AUS) RT AILERON PUSH-PULL ROD BENT.Jun 14, 2004 · Cessna 172R · Aileron Control SystemSDR 2004FA0000571Servo · inoperativeAIRCRAFT WAS REPORTED, ENGINE DIES ON IDLE SPEED, EXCESSIVE RICH MIXTURE, BLACK SMOKE EMITTED FROM EXHAUST. IDLE SPEED AND MIXTURE COULD NOT BE ADJUSTED IAW AD 2001-06-17 INSTRUCTIONS REF D, L, I, THRU 2, 1.Jun 10, 2004 · N974SP · Cessna 172S · Engine Fuel DistributionSDR CA040610008Bulkhead · broken(CAN) THE CORNER SECTION OF SPINNER AT LEADING EDGE OF PROPELLER BLADE CUT-OUT BADLY BENT (PEELED BACK) BY CENTRIFUGAL FORCE. THIS WAS CAUSED BY THE ADJACENT CORNER SECTION OF THE BACKPLATE (AROUND ANCHOR NUT) BREAKING OFF DURING OPERATION. NEW BACKPLATE DESIJun 9, 2004 · Cessna 172S · Propeller Spinner SectionSDR 2004FA0000655Starter · damagedSTARTER BENDIX FAILED CAUSING DAMAGE TO THE STARTER RING GEAR. THIS IS THE 6TH STARTER BENDIX FAILURE ON THIS AIRCRAFT.Jun 7, 2004 · N5359K · Cessna 172S · Engine StarterSDR AUS20040449Drive Assy · seized(AUS) STARTER MOTOR BENDIX DRIVE SEIZED INTERNALLY.May 24, 2004 · Cessna 172R · Engine StarterSDR AUS20040402Rib · cracked(AUS) LH HORIZONTAL STABILIZER RIB AFT ATTACHMENT ANGLE CRACKED.May 14, 2004 · Cessna 172R · Horizontal Stabilizer, Spar/RibSDR AUS20040358Angle · cracked(AUS) RT HORIZONTAL STABILIZER AFT RIB ATTACHMENT ANGLE CRACKED. A GAP BETWEEN THE AFT RIB ATTACHMENT ANGLE AND SPAR CAUSES CRACKING OF THE ANGLE WHEN THE ATTACHMENT BOLTS ARE TENSIONED. ON REMOVAL OF THE FORWARD STABILIZER ATTACHMENT BOLTS FRETTING WAS EVIDENMay 5, 2004 · Cessna 172R · Horizontal Stabilizer, Spar/RibSDR AUS20040306Rib · cracked(AUS) HORIZONTAL STABILIZER RIB CRACKED AROUND CIRCUMFERENCE OF AFT ATTACHMENT HOLES.Apr 28, 2004 · Cessna 172R · Horizontal Stabilizer, Spar/RibSDR CA040427018Rib · cracked(CAN) DURING INSPECTION OF HORIZONTAL STABILIZER ATTACH BOLT HOLES INSPECTION IAW MFG SB04-55-01, FOUND RT AFTER ATTACHMENT HOLE ON THE RIB HAS TWO .0937 INCH LONG CRACKS. THE CRACKS ARE HIDDEN UNDER THE MOUNTING WASHER.Apr 27, 2004 · Cessna 172S · Horizontal Stabilizer StructureSDR CA040423010Wire · chafed(CAN) PILOT REPORTED THAT FLIGHT CONTROLS WERE (STIFF AND VERY HARD TO MOVE). DURING RUN-UP PRIOR TO DEPARTURE. PILOT ELECTED TO RETURN TO BASE. AMO FOUND THAT WIRE HARNESS BEHIND RADIO PANEL WAS CHAFING ON THROTTLE MOUNT CAUSING SHORT TO GROUND. THIS CAUSEApr 21, 2004 · Cessna 172R · Auto Flight System WiringSDR 2004FA0000394Servo · inoperativeENGINE HAD VERY ROUGH AND RICH IDLE, COULD NOT ADJUST IDLE MIXTURE IAW AD. FUEL SERVO WAS INSTALLED ON A FRESH O/H ENGINE AND FUEL SERVO WAS ALSO FRESH FROM O/H. ENGINE WAS OPERATED AND LEAK CHECKED. AFTER .2 HOURS OF ENGINE OPERATION. FUEL SERVO BECOME ROApr 14, 2004 · N665SP · Cessna 172S · Fuel Controlling SystemSDR AUS20040264Servo · faulty(AUS) FUEL CONTROL UNIT AIR CHAMBER CONTAMINATED WITH FUEL.Apr 6, 2004 · Cessna 172R · Fuel Control/Reciprocating EnginesSDR 2004FA0000383Engine · making metalDURING A PHASE INSPECTION, SOME METAL WAS FOUND IN THE FILTER, TOOK OIL SAMPLE FROM OIL COOLER, REMOVED SUCTION SCREEN, MORE METAL WAS FOUND, SENT FILTER AND OIL TO LAB FOR ANALYSIS, SENT METAL FROM SCREEN, WAS ADVISED THAT THE SCREEN MATERIAL WAS FROM BEARINMar 29, 2004 · N52531 · Cessna 172S · Engine (Reciprocating)SDR SO1450Rod · bentDURING PREFLIGHT, PILOT FOUND LT AILERON CONTROL ROD BENT AT AILERON SURFACE. AIRCRAFT GROUNDED AND TAKEN TO MAINTENANCE. REMOVED LT AILERON CONTROL ROD AND FOUND IT TO BE BENT APPROXIMATELY 25 DEGREES JUST AFT OF AFT ROD END BEARING. REPLACED WITH NEW ROD.Mar 22, 2004 · N7275G · Cessna 172S · Aileron Control SystemSDR AUS20040218Gear · broken(AUS) STARTER MOTOR BENDIX DRIVE GEAR DISINTEGRATED.Mar 22, 2004 · Cessna 172R · Engine StarterSDR 2004FA0000291Firewall · crackedLOWER FIREWALL NUMEROUS CRACKS IN LOWER LEFT SIDE ZONE, 124, RADIATING FROM LOWER BATTERY MOUNT AND COWL MOUNT BRACKETS. THIS IS THE THIRD FIREWALL THAT DEVELOPED CRACKS IN THE SAME AREA.Mar 18, 2004 · N98528 · Cessna 172R · Fuselage Main, BulkheadSDR AUS20040116Motor · failed(AUS) ENGINE STARTER MOTOR BENDIX DRIVE WOULD NOT ENGAGE.Feb 16, 2004 · Cessna 172R · Engine StarterSDR CA040216006Lock · sheared(CAN) DURING THE PRE-FLT PHASE, THE PILOT ATTEMPTED TO ADJUST THE LT SEAT WHEN THE SEAT BACK DROPPED BACK BEYOND ITS NORMAL RANGE OF ADJUSTMENT. IT WAS DETERMINED THEN THAT THE SEAT WAS NOT IN A SAFE CONDITION TO USE AND THE CREW MADE AN ENTRY IN THE LOGBOOK Feb 13, 2004 · Cessna 172R · Flight Compartment EquipmentSDR CA040205005Drive Assy · jammed(CAN) STARTER DRIVE ONCE ENGAGED DID NOT RETRACT JAMMED OUTWARD.Feb 2, 2004 · Cessna 172S · Engine StarterSDR 2004FA0000137Keeper · wornDURING A ROUTINE INSPECTION, AND WHILE ACCOMPLISHING SB 388, IT WAS DISCOVERED THAT THE VALVE KEY RETAINERS (P/N-17C21191) ON THE EXHAUST VALVE, WERE WORN WHERE THEY CONTACT THE ROTOR CAP. THE WEAR WAS RADIAL, AND THE DEPTH WAS ESTIMATED APPROXIMATELY .020 INCJan 28, 2004 · N479ER · Cessna 172S · Reciprocating Engine Cylinder SectionSDR 2004FA0000031Stud · meltedPOSITIVE TERMINAL ON ALTERNATOR MELTED. INSPECTED ALTERNATOR WIRING HARNESS FOR CORRECT ROUTING AND DAMAGE. PROBABLE CAUSE FOR THIS MALFUNCTION OCCURRED IN THE ALTERNATOR ITSELF, AS THE POSITIVE STUD AND NUT WERE RECOVERED WITH THE NUT IN THE TORQUED POSITION.Jan 2, 2004 · N5169F · Cessna 172S · DC Generator-AlternatorSDR 2004FA0000099Contactor · failedRELAY, CONTACTOR FAILS UNDER LOAD ACCROSS TERMINALS. CAUSE IS CONTACTOR NOT DESIGNED TO HANDLE CONTINOUS LOAD, (CURRENT). SEVERAL FAILURES NOTED IN THE PAST. MFG WILL NOT ADDRESS THE PROBLEM. SEVERAL OCCURRENCES NOTED IN LAST 3 YEARS.Dec 21, 2003 · N296SP · Cessna 172S · Electrical Power System WiringSDR AUS20031314Fuel Control · contaminated(AUS) FUEL CONTROL UNIT AIR CHAMBER CONTAMINATED BY FUEL.Dec 19, 2003 · Cessna 172R · Fuel Control/Reciprocating EnginesSDR 2004FA0000100Contactor · failedRELAY, CONTACTOR FAILED UNDER LOAD ACROSS TERMINALS. CAUSE IS CONTACTOR NOT DESIGNED TO HANDLE CONTINOUS LOAD, (CURRENT). SEVERAL FAILURES NOTED IN PAST.Dec 9, 2003 · N936GW · Cessna 172S · Electrical Power System WiringSDR AUS20031263Injector · failed(AUS) ENGINE FUEL INJECTOR SYSTEM FAULTY. LIMITED INFORMATION PROVIDED.Dec 2, 2003 · Cessna 172S · Fuel Control/Reciprocating EnginesSDR AUS20031248Fcu · contaminated(AUS) FUEL CONTROL UNIT AIR REFERENCE CHAMBER CONTAMINATED WITH FUEL.Dec 1, 2003 · Cessna 172R · Fuel Control/Reciprocating EnginesSDR 2003FA0001254Valve · brokenOWNER COMPLAINED OF NO HEAT IN CABIN AND CONTROL FROZEN. FOUND FLAPPER VALVE PN NR 04530181 BROKEN AT LT SIDE HINGE NOT ALLOWING DOOR TO OPEN AND CONTROL SHAFT GO OVER CENTER. REMOVED CABIN HEAT BOX AND REPLACED VALVE AND REASSEMBLED. OPS CHECKED OK. PART Nov 26, 2003 · N35077 · Cessna 172R · Heating SystemSDR AUS20031150Fuel Control · contaminated(AUS) FCU IMPACT DIAPHRAGM CHAMBER CONTAMINTED WITH FUEL/OIL.Nov 13, 2003 · Cessna 172R · Fuel Control/Reciprocating EnginesSDR AUS20031185Exhaust Valve · burned(AUS) EXHAUST VALVES ON ALL FOUR CYLINDER BURNED. CAUSED BY FAULTY SWAGING ON ENGINE INDUCTION PIPES WHICH ALLOWED LEAN MIXTURE TO CYLINDERS.Oct 30, 2003 · Cessna 172R · Reciprocating Engine Cylinder SectionSDR CA031104002Transmitter · incorrect(CAN) UPON COMPLIANCE OF THE FUEL QTY INDICATORS PERFORMANCE TEST (ANNUAL ITEM), IT WAS NOTED THAT THE LT WING TRANSMITTER DID NOT GO QUITE TO ZERO. (INDICATED SLIGHTLY ABOVE THE '0' READING ON THE GAUGE) FURTHER INSPECTION REVEALED THAT THE TRANSMITTER ARM Oct 27, 2003 · Cessna 172R · Fuel Quantity SensorSDR AUS20031092Fuel Control · contaminated(AUS) FUEL CONTROL UNIT IMPACT AIR CHAMBER CONTAMINATED WITH FUEL.Oct 22, 2003 · Cessna 172R · Fuel Control/Reciprocating EnginesSDR 2003FA0001083Brushes · wornALTERNATOR BRUSHES EXCESSIVELY WORN FOR THE AMOUNT OF TIME ON ALTERNATOR. (3/16 IN.LONG) A NEW BRUSH IS .5 INCH LONGOct 17, 2003 · N24336 · Cessna 172R · DC Generator-AlternatorSDR AUS20031097Fuel Control · faulty(AUS) FUEL CONTROL UNIT FAULTY. WORKSHOP INVESTIGATION COULD FIND NO FAULT.Oct 15, 2003 · Cessna 172R · Fuel Control/Reciprocating EnginesSDR AUS20031035Fuel Control · contaminated(AUS) FUEL CONTROL UNIT IMPACT DIAPHRAGM CHAMBER CONTAMINATED WITH FUEL/OIL.Oct 7, 2003 · Cessna 172R · Fuel Control/Reciprocating EnginesSDR CA031002005Crankshaft · corroded(CAN) CRANKSHAFT FAILED SB 505. AFTER REMOVAL OF PROTECTIVE COATING, CRANKSHAFT FOUND CORRODED. ALSO AREA FOUND TO HAVE BEEN MACHINED TO LARGEST DIAMETER PERMITTED BY SB 505. THIS IS ONE OF MANY FOUND DURING OVERHAUL, SB 530 DOES NOT SEEM TO BE WORKING.Sep 30, 2003 · Cessna 172R · Reciprocating Engine Power SectionSDR AUS20031252Brushes · worn(AUS) ALTERNATOR BRUSHES BADLY WORN. ALTERNATOR FAILED CAUSING WIRING TO BURN AND FAILURE OF ALTERNATOR CONTROL UNIT AND CURRENT SENSOR AND FUSING OF THE ALTERNATOR FIELD CIRCUIT BREAKER.Sep 20, 2003 · Cessna 172S · DC Generator-AlternatorSDR CA030930009Wire · burned(CAN) THE NAV. LIGHT CIRCUIT BREAKER/SWITCH WOULD TRIP INSTANTLY WHEN SELECTED ON. ALSO THE AMMETTER WOULD SPIKE TO 20+ AMPS FOR A MICRO-SECOND. I DEAD SHORT WAS DETECTED IN THE NAV LIGHT CIRCUIT. FURTHER INSPECTION REVEALED THAT, WITHIN THE LT WINGTIP THE LSep 19, 2003 · Cessna 172S · Exterior LightingSDR AUS20030954Fuel Control · contaminated(AUS) FUEL CONTROL UNIT CONTAMINATED IN IMPACT DIAPHRAGM CHAMBER AND TUBES. VENTURI ALSO CONTAMINATED.Sep 17, 2003 · Cessna 172R · Fuel Control/Reciprocating EnginesSDR 2003FA0000911Spar · crackedDURING MAINTENANCE OF THE AIRCRAFT IN WHICH THE RIGHT FUEL TANK WAS OPENED UP, A CRACK WAS FOUND IN THE AFT SPAR. THE CRACK EXTENDS FROM WS 33.0 TO 34.375 AND IS APPROX 1.375 INCHES LONG. THE CRACK IS LOCATED IN THE UPPER BEND RADIUS OF THE AFT SPAR.Sep 9, 2003 · N3517S · Cessna 172R · Wing SparSDR AUS20030918Fcu · faulty(AUS) FUEL CONTROL UNIT AIR CHAMBER CONTAMINATED WITH FUEL.Sep 8, 2003 · Cessna 172R · Fuel Control/Reciprocating EnginesSDR CA030930007Bellcrank · worn(CAN) THE ELEVATOR BELLCRANK MAIN BEARING WAS FOUND SPINING LOOSE INSIDE THE BELLCRANK ASSEMBLY. THE BELLCRANK WAS WORN OUT BY THE OUTER PORTION OF THE BEARING. THE BEARING IS A PRESSED FIT, AND CANNOT BE REPLACED. THE ENTIRE ELEVATOR BELLCRANK ASSEMBLY HAD TAug 21, 2003 · Cessna 172S · Elevator Control System
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