Lycoming O-320-D3G

Service difficulty reports · 279

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 = 'O320D3G'
  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 ECPR20260731001Spark Plug · crackedA SPARK PLUG WAS REPLACED DURING A SCHEDULED MAINTENANCE INSPECTION. DURING THE POST-MAINTENANCE OPERATIONAL CHECK, THE ENGINE SUDDENLY DEVELOPED ROUGHNESS AND A PARTIAL LOSS OF POWER. SUBSEQUENT INSPECTION FOUND THE SPARK PLUG HAD COMPLETELY SEPARATED INTO TWJul 27, 2026 · N555PU · Piper PA28161 · Spark Plug/IgniterSDR ECPR20260624002Bracket · corrodedTHE LEFT WING CENTER FLAP HINGE BRACKET WAS FOUND WITH CORROSION PITTINING THAT WAS BEYOND REWORK LIMITS NECESSITATINING THE REPLACEMENT OF THE BRACKET. THE ORIGIN OF THE CORROSION WAS THE BONDING WIRE ATTACHMENT POINT.Jun 24, 2026 · N553PU · Piper PA28161 · Wing, Control Surface Attach FittingsSDR ECPR20260624003Bracket · corrodedTHE LEFT WING CENTER FLAP HINGE BRACKET WAS FOUND WITH CORROSION PITTINING THAT WAS BEYOND REWORK LIMITS NECESSITATINING THE REPLACEMENT OF THE BRACKET. THE ORIGIN OF THE CORROSION WAS THE BONDING WIRE ATTACHMENT POINT.Jun 24, 2026 · N551PU · Piper PA28161 · Wing, Control Surface Attach FittingsSDR ECPR202606004Bracket · corrodedTHE RIGHT WING CENTER FLAP HINGE BRACKET WAS FOUND WITH CORROSION PITTING THAT WAS BEYOND REWORK LIMITS NECESSITATING THE REPLACEMENT OF THE BRACKET. THE ORIGIN OF THE CORROSION WAS THE BONDING WIRE ATTACHMENT POINT.Jun 24, 2026 · N4445V · Piper PA28161 · Wing, Attach FittingsSDR ECPR20260624001Bracket · corrodedTHE LEFT WING CENTER FLAP HINGE BRACKET WAS FOUND WITH CORROSION PITTINING THAT WAS BEYOND REWORK LIMITS NECESSITATINING THE REPLACEMENT OF THE BRACKET. THE ORIGIN OF THE CORROSION WAS THE BONDING WIRE ATTACHMENT POINT.Jun 23, 2026 · N4426 · Piper PA28161 · Wing, Attach FittingsSDR ECPR2025081833027Valve Guide · out of limitsDURING A SIMULATED ENGINE FAILURE FOR A CFIA LESSON, THE ENGINE EXPERIENCED ROUGHNESS AND PARTIAL POWER LOSS DURING THE PLANNED GO-AROUND AT 800 FEET. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. POST FLIGHT INSPECTION REVEALED Aug 14, 2025 · N8578Z · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR 2024FA0000816Selector Valve · faultedAFTER TAKE OF THE ENGINE LOSS POWER AND AFTER FURTHER INVESTIGATION WE DETERMENT THAT THE FUEL SELECTOR VALVE WAS CLOSING THE FUEL WHILE IT WAS ON THE LEFT TANK POSITION CAUSING THE ENGINE TO SHUT DOWN.Nov 5, 2024 · N207AB · Piper PA28161 · Aircraft Fuel SystemSDR 2023FA0000799Rotor Shaft · brokenTHE AIRCRAFT TAXIED OUT TO FLY. THE PILOT DID HIS RUN UP AND FOUND THE ENGINE WOULD NOT RUN ON JUST THE RIGHT MAGNETO. PILOT RETURNED AIRCRAFT AND DID NOT FLY. I CONFIRMED THE DISCREPANCY AFTER A RUN UP. I REMOVED AND DISASSEMBLED THE MAGNETO AND FOUND THE RONov 30, 2023 · N8137Q · Piper PA28161 · Magneto/DistributorSDR 2023FA0000683Cylinder Head · crackedDURING CRUISE PILOT SENSED A "POP" ENGINE BEGAN RUNNING ROUGH WITH POWER LOSS. DECLARED EMERGENCY, DIVERTED, LANDED WITHOUT INCIDENT. INVESTIGATION FINDS #2 CYLINDER CRACK ACROSS TOP SPARK PLUG HOLE. CYLINDER ENGINE COMPONENTS INC. (ECI) PART NUMBER CCST4.1Oct 26, 2023 · N8352D · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR 2023FA0000499Impulse Coupling · looseDURING MAG INSPECTION, FOUND RIVITS LOOSE ON BASEPLATE ON BOTH MAGS. REPLACE IMPULSE COUPLINGS WITH NEWAug 31, 2023 · N760U · Piper PA28161 · Magneto/DistributorSDR 2023FA0000500Impulse Coupling · looseLEFT MAG IMPULSE COUPLING RIVITS LOOSE AT BASE PLATE.Aug 31, 2023 · N730U · Piper PA28161 · Magneto/DistributorSDR 2023FA0000501Impulse Coupling · looseLEFT MAGNETO IMPULSE COUPLING RIVETS LOOSE IN BASE PLATEAug 31, 2023 · N720U · Piper PA28161 · Magneto/DistributorSDR 2023FA0000503Impulse Coupling · looseMAGNETO IMPULSE COUPLING PAWL RIVETS LOOSE IN BASE PLATE.Aug 31, 2023 · N780U · Piper PA28161 · Magneto/DistributorSDR 2023FA0000502Impulse Coupling · looseMAGNETO IMPULSE COUPLING PAWL RIVETS LOOSE ON BASE PLATE.Aug 17, 2023 · N750U · Piper PA28161 · Magneto/DistributorSDR 2023FA0000092Fuel Bowl · cockedDISCREPANCY: GASCOLATOR FUEL BOWL FOUND TO BE COCKED OUTBOARD AND RETAINING/TENSION NUT ASSY COCKED INBOARD UPON INITIAL INSPECTION, WITH OUTBOARD RETAINING BAIL DISLODGED FROM GASCOLATOR. SAFETY WIRE ON RETAINING/TENSION NUT CORRECT AND INTACT. LOSS OF DIRECTFeb 17, 2023 · N9250C · Piper PA28161 · Aircraft Fuel Filter/StrainerSDR 2022FA0000649Propeller · damagedDURING THE CLIMB OUT FROM TAKEOFF, THE PILOT REPORTED THE AIRCRAFT BEGAN TO SHAKE VIOLENTLY AND THE THROTTLE AND MIXTURE RETARDED ON THEIR OWN. THE PILOT APPLIED FULL POWER AND MIXTURE AND THE AIRCRAFT CONTINUED TO SHAKE BUT STILL MADE ENOUGH POWER TO TURN BAOct 5, 2022 · N120BJ · Piper PA28151 · Propeller SystemSDR 2022FA0000451Carburetor · failed inspAFTER LANDING ENGINE QUIT AND WOULD NOT RESTART. FUEL WAS TRAPPED IN CARBURETOR. CARBURETOR INLET SCREEN WAS CLEAN. RETURNED CARB TO AVSTAR FOR EVALUATION. CARBURETOR TESTED AND FAILED FLOAT LEVEL TESTING REQUIREMENT. CARBURETOR NEEDLE AND SEAT ASSEMBLY REJul 21, 2022 · Piper PA28161 · Engine (Reciprocating)SDR 2022FA0000334Attach Bolt · brokenDURING THE 100 HR / ANNUAL INSPECTION OF THE SUBJECT AIRCRAFT WE FOUND 4 BROKEN BOLTS IN THE LEFT HAND MAIN LANDING GEAR. UPON ARRIVAL OF THE AIRCRAFT FOR INSPECTION ONE BOLT WAS OBSERVED TO BE MISSING A NUT AND PORTION OF THE BOLT WHEREUPON IT WAS DECIDED TO Jun 22, 2022 · N161KM · Piper PA28161 · Main Landing Gear Attach SectionSDR 2022FA0000339Attach Bolt · brokenDURING THE 100 HR / ANNUAL INSPECTION OF THE SUBJECT AIRCRAFT WE FOUND 4 BROKEN BOLTS IN THE LEFT HAND MAIN LANDING GEAR. UPON ARRIVAL OF THE AIRCRAFT FOR INSPECTION ONE BOLT WAS OBSERVED TO BE MISSING A NUT AND PORTION OF THE BOLT WHEREUPON IT WAS DECIDED TO Jun 22, 2022 · N161KM · Piper PA28161 · Main Landing Gear Attach SectionSDR ECPR2022051900001Carburetor · faultyFOLLOWING A POST-INSPECTION ENGINE RUNUP, FUEL WAS FOUND LEAKING FROM THE CARBURETOR VENTURI. IT IS SUSPECTED THAT AN UNDETERMINED DEFECT IN THE CARBURETOR FLOAT OR ASSOCIATED VALVE ALLOWED THE CARBURETOR BOWL TO OVERFILL AND RESULTED IN FUEL OVERFLOWING INTOMay 19, 2022 · N4445K · Piper PA28161 · Fuel Control/Reciprocating EnginesSDR ECPR2022042100001Carburetor · faultyDURING DOWNWIND FOR LANDING WITH A SIMULATED POWER LOSS, AN ACTUAL PARTIAL POWER LOSS OCCURRED. PILOT CONTINUED APPROACH AND LANDED WITHOUT FURTHER INCIDENT. DURING THE LANDING ROLLOUT, THE ENGINE QUIT. MAINTENANCE PERSONNEL RESPONDED AND TOWED THE AIRCRAFT FRApr 13, 2022 · N159ND · Piper PA28161 · Fuel Control/Reciprocating EnginesSDR ECPR2021070990618Carburetor · faultyDURING A POST_ENGINE CHANGE CHECK FLIGHT, PILOT EXPERIENCED VIBRATION AND PARTIAL POWER LOSS. PILOT DECLARED AN EMERGENCY AND LANDED WITHOUT FURTHER INCIDENT. DURING THE LANDING ROLLOUT, THE ENGINE QUIT. MAINTENANCE PERSONNEL RESPONDED AND TOWED THE AIRCRAFJul 8, 2021 · N555PU · Piper PA28161 · Fuel Control/Reciprocating EnginesSDR 2021FA0000240Carburetor · leakingAT AROUND 4:30 LOCAL N54MC ENTERED KDWH AIRSPACE FOR WORK IN THE TRAFFIC PATTERN. AFTER THE 3RD LAP AROUND WE CAME AND LANDED WITH THE INTENT OF GOING BACK, THE THE FLIGHT SCHOOL. AFTER TOUCHDOWN WE STARTED SLOWING DOWN TO EXIT THE RUNWAY. AS SOON AS WE STARTMay 6, 2021 · N54MC · Piper PA28161 · Fuel Control/Reciprocating EnginesSDR 2021FA0000056Pump · failed(REPORTED) MECHANICAL PUMP FAILED DURING CRUISE FLIGHT.Feb 23, 2021 · N2875G · Piper PA28161 · Fuel Boost PumpSDR ECPR2021012789822Elt · false activationDURING CRUISE FLIGHT, THE ANNUNCIATOR LIGHT FOR THE ELT WAS OBSERVED TO BE DIMLY LIT. NO SIGNAL WAS HEARD ON 121.5. AFTER LANDING AND SHUTDOWN, THE LIGHT REMAINED ILLUMINATED, SO THE CREW CYCLED THE ELT SWITCH TO REST AND BACK TO ARM ON THE REMOTE CONTROL PAJan 26, 2021 · N8575W · Piper PA28161 · Emergency Locator BeaconSDR P39A20191216001Crankshaft · brokenPILOTS REPORTED THAT THE AIRCRAFT STARTED RUNNING ROUGH, VIBRATING, LOSS POWER, THEN STOPED. THEY MADE EMERGENCY PERCIEDURES AND LANDED, IN A NEARBY EMPTY CORN FIELD. UPON REMOVAL AND INSPECTION OF THE ENGINE, AFTER REMOVING THE NUMBER FOUR CYLINDER WE DISCOVESep 23, 2019 · N4317B · Piper PA28161 · Reciprocating Engine Power SectionSDR 2019FA0000139Magneto · crackedTHE LEFT MAGNETO WAS BEING REPLACED DUE TO DIFFICULTY STARTING THE ENGINE. THE TECHNICIAN DISCOVERED A SECTION OF THE MAGNETO MOUNTING FLANGE CRACKED AND SEPARATED AND SEPARATED FROM THE MAGNETO. THE CRACK EXTENDED THROUGH THE UNUSED IMPULSE COUPLING STOP HOApr 26, 2019 · N8580E · Piper PA28161 · Magneto/DistributorSDR 2019FA0000140Impulse Coupling · brokenAIRCRAFT WAS DIFFICULT TO START. FOUND LEFT MAGNETO IMPULSE COUPLING PAWL PIVOT PIN SHEARED. REPLACED MAGNETO.Apr 26, 2019 · N8580E · Piper PA28161 · Magneto/DistributorSDR 2019FA0000052Throttle Cable · brokenAFTER A 50 HOURS INSPECTION, THE INSPECTOR DURING ENGINE RUN-UP ON THE GROUND WITH FULL POWER ACHIEVED. REPORTED NOT TO BE ABLE TO REDUCE RPM TO IDLE. DEFECT WAS TRACED TO BROKEN THROTTLE CABLE INNER CABLE. NEW CABLE FITTED.Mar 4, 2019 · Piper PA28161 · Power LeverSDR ECPR2019012582092Contactor · stuckDURING TAXI THE CREW SMELLED AND OBSERVED SMOKE IN THE CABIN. THE CREW RETURNED TO THE RAMP. MAINTENANCE FOUND THE STARTER INOPERATIVE. THE STARTER SMELLED OF ELECTRICAL SMOKE. IT IS SUSPECTED THAT THE STARTER CONTACTOR REMAINED IN THE CLOSED POSITION AFTEJan 21, 2019 · N371DC · Piper PA28161 · Engine StarterSDR ECPR2018112181318Cylinder Head · crackedDURING TAKEOFF, ENGINE EXPERIENCED A PARTIAL POWER LOSS. PILOT REMAINED IN THE PATTERN AND LANDED. SUBSEQUENT INSPECTION BY MAINTENANCE PERSONELL FOUND A CRACK IN THE #4 CYLINDER. INSPECTION AFTER REMOVING THE CYLINDER REVEALED THAT A CRACK EXISTED FROM ONENov 20, 2018 · N558PU · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR ECPR201809210003Cylinder · leakingDURING INSPECTION, DIFFERENTIAL COMPRESSION CHECK FOUND NUMBER FOUR CYLINDER BELOW TOLERANCE. FURTHER EXAMINATION FOUND LEAKAGE AT THE EXHAUST VALVE. CYLINDER HAD 201 HOURS TIME IN SERVICE. CYLINDER WAS REPLACED.Sep 20, 2018 · N371DC · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR ECPR201809110001Cylinder · unserviceableDURING INSPECTION, DIFFERENTIAL COMPRESSION CHECK FOUND NUMBER ONE CYLINDER BELOW SPECIFICATION. SUBSEQUENT EXAMINATION FOUND LEAKAGE AT THE EXHAUST VALVE. CYLINDER WAS REPLACED.Sep 11, 2018 · N4443Q · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR ECPR201809110002Cylinder · unserviceableDURING INSPECTION, DIFFERENTIAL COMPRESSION CHECK FOUND NUMBER THREE CYLINDER BELOW TOLERANCE. FURTHER EXAMINATION FOUND LEAKAGE AT THE EXHAUST VALVE. CYLINDER WAS REPLACED.Sep 11, 2018 · N4443Q · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR 2020FA0000051Carburetor · separatedREPORTED PROBLEM WAS PARTIAL ENGINE POWER LOSS DURING CLIMB OUT. UPON INSPECTION OF ENGINE AND ACCESSORIES THE CARBURETOR WAS FOUND TO HAVE THE PARTING FLANGE SEPARATING. THE ORIGINAL SCREWS AND LOCKING TAB WASHERS WERE ALL INSTALLED BUT LOOSE. SLIGHT FUEL Aug 25, 2018 · N4121J · Piper PA28140 · Fuel Control/Reciprocating EnginesSDR ECPR2018081480057Cylinder · out of toleranceNUMBER ONE CYLINDER FAILED DIFFERENTIAL COMPRESSION CHECK DURING ROUTINE INSPECTION. FOUND EXCESSIVE LEAKAGE AT EXHAUST VALVE. EXHAUST VALVE SHOWED DISCOLORATION, POSSIBLY FROM OVERHEATING.Aug 13, 2018 · N44426 · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR ECPR2018081079993Cylinder Head · crackedENGINE NR ONE CYLINDER COMPRESSION WAS FOUND BELOW SPECIFICATION. SUBSEQUENT INSPECTION FOUND A CRACK IN THE CYLINDER HEAD. THE CRACK WAS LOCATED OUTBOARD OF THE INTAKE VALVE SEAT. THE CRACK WAS APPROXIMATELY TWO INCHES LONG AND FOLLOWED THE CURVE OF THE VAAug 8, 2018 · N903FC · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR NUTR2018071000001Channel · crackedWHILE PERFORMING A 100 HOUR INSPECTION FOUND THE LOWER COCKPIT CHANNEL AT FUSELAGE STATION 128.737. CRACKED AND BUCKLED. THIS CHANNEL IS THE CARRY THROUGH STRUCTURE FOR THE AFT WING ATTACH FITTINGS. THERE IS NO OTHER DAMAGE TO WINGS OR FUSELAGE STRUCTURE. THE Jul 9, 2018 · N288MK · Piper PA28161 · Fuselage Main, Attach FittingsSDR J4YR201807062007Oil Filter · defectiveUPON REMOVING OIL FILTER DURING ENGINE OIL CHANGE THE OIL FILTER SEEMED TO BE VERY DIFFICULT TO BREAK LOOSE. AFTER EVENTUALLY GETTING THE FILTER REMOVED IT WAS NOTICED THAT THE THREADED STUD WAS STILL THREADED INTO THE ENGINE THOUGH NOT TIGHTLY. THIS WAS A NEWJul 6, 2018 · N3072 · Piper PA28161 · Reciprocating Engine Oil SystemSDR 2018FA0000462Cylinder · crackedCYLINDER HEAD IS CRACKED. THIS IS THE THIRD CYLINDER ON THIS ENGINE THAT THE HEAD HAS DEVELOPED HOLES IN THEM. THE FIRST WENT AT ABOUT 800 HOURS. WE OPERATE THIS ENGINE IN A FLIGHT SCHOOL. HAPPENED UNDER NORMAL FLIGHT OPERATIONS. PROBABLE CAUSE UNKNOWN. Apr 6, 2018 · N6655W · Piper PA28140 · Reciprocating Engine Cylinder SectionSDR ECPR2018040378590Cylinder Head · crackedDURING A SCHEDULED INSPECTION, FOUND THE NR 3 CYLINDER HAD LOW COMPRESSION. INVESTIGATION FOUND THE CYLINDER HEAD WAS CRACKED AROUND THE INTAKE VALVE SEAT AND THROUGH THE CYLINDER HEAD WALL AND OUT BETWEEN THE CYLINDER COOLING FINS.Mar 30, 2018 · N557PU · Piper PA28161 · Powerplant SystemSDR ECPR2018040378436Exhaust Valve · wornDURING A SCHEDULED INSPECTION, FOUND THAT THE NR 4 ENGINE CYLINDER HAD LOW COMPRESSION. INVESTIGATION FOUND THAT THE EXHAUST VALVE FACE AND EXHAUST SEAT INTERFACE SHOWED EXCESSIVE WEAR CAUSING THE EXHAUST VALVE FACE TO CUP.Mar 16, 2018 · N903FC · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR ECPR2018040378460Cylinder Head · crackedDURING A SCHEDULED INSPECTION, FOUND THAT THE NR 4 CYLINDER HAD LOW COMPRESSION. INVESTIGATION FOUND THE CYLINDER HEAD WAS CRACKED AROUND THE INTAKE VALVE SEAT AND THROUGH THE CYLINDER HEAD WALL OUT BETWEEN THE CYLINDER COOLING FINS.Mar 16, 2018 · N300DC · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR ECPR2018031578420Cylinder Head · crackedDURING A SCHEDULED INSPECTION, FOUND THE NR 1 CYLINDER HAD LOW COMPRESSION. INVESTIGATION FOUND THE CYLINDER HEAD WAS CRACKED AROUND THE INTAKE VALVE SEAT AND THROUGH THE CYLINDER HEAD WALL OUT BETWEEN THE CYLINDER COOLING FINS.Mar 15, 2018 · N552PU · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR ECPR2018031278406Cylinder Head · crackedDURING A SCHEDULED INSPECTION, FOUND THE NR 4 CYLINDER HAD LOW COMPRESSION. INVESTIGATION FOUND THE CYLINDER HEAD WAS CRACKED AROUND THE INTAKE VALVE SEAT AND THROUGH THE CYLINDER HEAD WALL OUT BETWEEN THE CYLINDER COOLING FINS.Mar 12, 2018 · N9218R · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR ECPR2018030778354Cylinder Head · crackedDURING A SCHEDULED INSPECTION, FOUND THE NR 2 CYLINDER HAD LOW COMPRESSION. INVESTIGATION FOUND THE CYLINDER HEAD WAS CRACKED AROUND THE INTAKE VALVE SEAT AND THROUGH THE CYLINDER HEAD WALL OUT BETWEEN THE CYLINDER COOLING FINS.Mar 7, 2018 · N300DC · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR ECPR2018030278298Exhaust Valve · damagedDURING A SCHEDULED INSPECTION, FOUND THAT THE NR 1 ENGINE CYLINDER HAD LOW COMPRESSION. INVESTIGATION FOUND THAT THE EXHAUST VALVE FACE AND EXHAUST SEAT INTERFACE SHOWED EXCESSIVE WEAR CAUSING THE EXHAUST VALVE FACE TO CUP.Mar 2, 2018 · N902FC · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR ECPR2018022278197Exhaust Valve · damagedDURING A SCHEDULED INSPECTION, FOUND THAT THE NR 3 ENGINE CYLINDER HAD LOW COMPRESSION. INVESTIGATION FOUND THAT THE EXHAUST VALVE FACE AND EXHAUST SEAT INTERFACE SHOWED EXCESSIVE WEAR, CAUSING THE EXHAUST VALVE FACE TO CUP.Feb 22, 2018 · N9218R · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR ECPR2018032978037Exhaust Valve · damagedDURING A SCHEDULED INSPECTION, FOUND THE NR 4 ENGINE CYLINDER HAD LOW COMPRESSION. INVESTIGATION FOUND THAT THE EXHAUST VALVE FACE AND EXHAUST SEAT INTERFACE SHOWED EXCESSIVE WEAR CAUSING THE EXHAUST VALVE FACE TO CUP.Feb 6, 2018 · N901FC · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR ECPR2018020578024Cylinder Head · crackedDURING A SCHEDULED INSPECTION IT WAS FOUND THAT THE NR 1 CYLINDER HAD LOW COMPRESSION. INVESTIGATION FOUND THE CYLINDER HEAD WAS CRACKED AROUND THE INTAKE VALVE SEAT AND THROUGH THE CYLINDER HEAD WALL OUT BETWEEN THE CYLINDER COOLING FINS.Feb 5, 2018 · N551PU · Piper PA28161 · Reciprocating Engine Cylinder Section
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