# Service difficulty reports: Lycoming O235N2C

A list on [Lycoming O235N2C](https://openairdocs.org/engine/lycoming-o235n2c.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 2 · 55 reports

- [SDR 8HBR20260215075](https://openairdocs.org/sdr/8HBR20260215075.md): Ignition Lead · damaged · Jan 28, 2026 · N95606 · Cessna 152 · Ignition Harness (Distribution)
  > A BAD MAGNETO DROP WAS EXPERIENCED DURING THE GROUND RUN OF THE AIRCRAFT. UPON INSPECTION IT WAS FOUND THAT THE RH IGNITION HARNESS LOWER #3 LEAD WAS DEAD.
- [SDR 2023FA0000567](https://openairdocs.org/sdr/2023FA0000567.md): Unknown · unknown · Sep 12, 2023 · Cessna 152 · Engine Starter
  > DURING CESSNA 152 AIRCRAFT SCHEDULED MAINTENANCE TECHNICIAN FOUND THAT THREE OF THE FOUR SCREWS BETWEEN STARTER AND ELECTRIC MOTOR WERE LOST. PHOTOS OF STARTER MOTOR IS AVAILABLE.
- [SDR CA190114008](https://openairdocs.org/sdr/CA190114008.md): Piston · damaged · Jan 12, 2019 · Cessna 152 · Reciprocating Engine Cylinder Section
  > (CAN) PILOT & INSTRUCTOR COMPLETED RUN UP. TAXIED TO RUNWAY AND STARTED TAKE OFF. AT ABOUT 400 FT ENGINE STARTED TO RUN ROUGH. INSTRUCTOR TRIED CARB HEAT THINKING IT WAS CARB ICE BUT MADE NO DIFFERENCE. TOLD TOWER THEY HAD AN ENGINE PROBLEM AND DECLARED AN EME
- [SDR GGUS2013FA0000518](https://openairdocs.org/sdr/GGUS2013FA0000518.md): Magneto · defective · Sep 20, 2013 · N95539 · Cessna 152 · Magneto/Distributor
  > DURING MAG CHECK, AT PREFLIGHT RUN UP. FOUND CONTACTS INTERMITTENT WHEN TIMING LIGHT USED TO CONFIRM TIMING, REMOVED AND OPENED MAG FOR INSPECTION. FOUND BEARING CAP ASSY LOOSE IN CASE WHICH ALSO LED TO ROTOR SHAFT EXHIBITING EXCESSIVE PLAY AND END CLEARANCE
- [SDR CA131010009](https://openairdocs.org/sdr/CA131010009.md): Button · broken · Sep 18, 2013 · Cessna 152 · Reciprocating Engine Cylinder Section
  > (CAN) UPON 200HR ROCKER ASSY INSPECTION, DISCOVERED ROCKER PIN THRUST BUTTONS BROKEN.
- [SDR 2013FA0000477](https://openairdocs.org/sdr/2013FA0000477.md): Strut · cracked · Aug 22, 2013 · N367AM · Zinair CH2000 · Nose/Tail Landing Gear Strut/Axle
  > FOUND CRACK ON THE NOSE STRUT PLATE WHERE THE FRONT BOLTS ATTACH TO THE NOSE WHEEL FORK. IT WAS DETECTED 40 HRS AFTER THE LAST INSPECTION.
- [SDR 2012FA0000255](https://openairdocs.org/sdr/2012FA0000255.md): Oil Cooler · cracked · Apr 29, 2012 · N263AM · Zinair CH2000 · Engine Oil Cooler
  > PILOT REPORTED ODOR OF BURNED ELECTRICAL WIRING FOLLOWED BY ENGINE OIL ENTERING CABIN AT FOOT PEDAL AREA, LOSS OF ENGINE OIL PRESSURE INDICATED. EMERGENCY LANDING, SAFELY LANDED APPROX 5 MINUTES AFTER FIRST NOTICING THE ENGINE OIL PRESSURE LOSS. FOUND ENGIN
- [SDR 2012FA0000012](https://openairdocs.org/sdr/2012FA0000012.md): Rotor · loose · Jan 6, 2012 · N95429 · Cessna 152 · Magneto/Distributor
  > FOUND DURING A 500HR MAG AND IMPULSE COUPLING INSPECTION, A DEFECTIVE DISTRIBUTOR GEAR FINGER. THIS FINGER HAD WORKED LOOSE FROM ITS PLASTIC SEAT ALLOWING SOME MOVEMENT BOTH SIDE TO SIDE AS WELL AS UP AND DOWN THE SHAFT. PARTS WERE STILL FUNCTIONING WHEN DIS
- [SDR ZB0R201000003](https://openairdocs.org/sdr/ZB0R201000003.md): Starter · burned out · Jun 16, 2010 · N95300 · Cessna 152 · Engine Starter
  > DURING ENGINE START, PILOT NOTICED STARTER WOULD NOT ENGAGE FLYWHEEL. ACFT REPORTED TO MX WHERE IT WAS DISCOVERED THE STARTER MOTOR WAS INOPERATIVE. STARTER WAS REMOVED AND INSPECTION REVEALED THE MOTOR AREA HAS 2 SPOTS BURNED THROUGH THE CASING. THIS IS THE
- [SDR CA100528010](https://openairdocs.org/sdr/CA100528010.md): Actuator · malfunctioned · May 18, 2010 · Cessna 152 · Trailing Edge Flap Actuator
  > (CAN) ON A WALKAROUND, IT WAS DISCOVERED THAT THE WING FLAPS WERE EXTENDING VERY SLOWLY WITH AN AUDIBLE GRINDING NOISE. UPON INSP, IT WAS FOUND THAT THE FLAP ACTUATOR HAD A WORN INPUT SHAFT AND FAILED COUPLER TO THE ELECTRIC MOTOR. THE ACFT WAS SNAGGED AND A
- [SDR CA091005007](https://openairdocs.org/sdr/CA091005007.md): Magneto · inoperative · Aug 14, 2009 · Cessna 152 · Magneto/Distributor
  > (CAN) ENGINE RUNNING ROUGH. RT MAG FOUND TO BE THE CAUSE. BOTH MAGS REPLACED WITH REPAIRED UNITS. ACFT GROUND RUN AND TESTED OK.
- [SDR CA091005006](https://openairdocs.org/sdr/CA091005006.md): Engine · cracked · Aug 11, 2009 · Cessna 152 · Engine (Reciprocating)
  > (CAN) UPON INSP, MECHANIC DISCOVERED OIL LEAKING FROM BACK OF ENG. NEW BASE ASSY INSTALLED ACFT GROUND RUN AND LEAK CHECK OK.
- [SDR CA081106003](https://openairdocs.org/sdr/CA081106003.md): Case · cracked · Oct 30, 2008 · Cessna 152 · Reciprocating Engine Power Section
  > (CAN) DURING SCHEDULED MAINT (OIL CHANGE) OIL WAS DISCOVERED LEAKING FROM THE UPPER ENGINE CRANK CASE. FUTHER INSP CONFIRMED A CRACK 3 INCHES LONG BETWEEN CYLINDER NR 2 AND 4. ENGINE WAS REMOVED FOR REPAIR.
- [SDR 2007FA0000027](https://openairdocs.org/sdr/2007FA0000027.md): Piston · inoperative · Dec 4, 2006 · N94286 · Cessna 152 · Reciprocating Engine Cylinder Section
  > NR 3 CYLINDER PISTON DOES NOT MOVE IN CYLINDER WHEN YOU TURN PROPELLER. (K)
- [SDR 2006FA0001234](https://openairdocs.org/sdr/2006FA0001234.md): Piston · stuck · Dec 2, 2006 · N94286 · Cessna 152 · Reciprocating Engine Power Section
  > ENGINE QUIT IN FLIGHT, FOUND NR 3 CYLINDER PISTON NOT MOVING IN CYLINDER WHEN TURNING PROP. (K)
- [SDR 2006FA0000871](https://openairdocs.org/sdr/2006FA0000871.md): Float · leaking · Aug 19, 2006 · N95429 · Cessna 152 · Fuel Control/Reciprocating Engines
  > AIRCRAFT NOTED AS HAVING FUEL DRIPPING FROM BOTTOM COWL, FOUND CAR LEAKING FUEL WHILE SITTING STATIC, REMOVED AND CHECKED CARBURETOR. DETERMINED (1) OF THE (2) PONTOONS OF THE PLASTIC FLOAT WAS FULL OF FUEL, CONTACT MADE WITH MFG WHO SUGGESTED THEY WERE AWARE
- [SDR 2005FA0001551](https://openairdocs.org/sdr/2005FA0001551.md): Carburetor · failed · Sep 8, 2005 · N95475 · Cessna 152 · Fuel Control/Reciprocating Engines
  > PILOT REPORTED PARTIAL LOSS OF POWER. EXECUTED PRECAUTIONARY OFF FIELD LANDING. NO DAMAGE TO AIRCRAFT. TEARDOWN OF CARBURETOR REVEALED METAL SHAVINGS IN ACCELERATOR PUMP CIRCUIT. SUSPECT METAL ORIGIN FROM ACCELERATOR PUMP STEM RUBBING ON HOUSING.
- [SDR CA050607005](https://openairdocs.org/sdr/CA050607005.md): Spar · cracked · Jun 7, 2005 · Cessna 152 · Elevator, Spar/Rib
  > (CAN) WAS REPLACING RT ELEVATOR SKIN DUE TO HINGE WEAR (OB HINGE POINT IS PART OF SKIN). CRACKS WERE FOUND ON THE SPAR P/N 0432001-21 UNDER IB HINGE BRACKET P/N 0432001-72. THESE CRACKS COULD NOT BE SEEN THRU VISUAL INSPECTION ON THE FORWARD SIDE OF THE SPAR.
- [SDR 2005FA0000539](https://openairdocs.org/sdr/2005FA0000539.md): Float · chafed · Apr 11, 2005 · N25446 · Cessna 152 · Fuel Control/Reciprocating Engines
  > ENGINE QUIT IN FLIGHT, PERFORMED AN EMERGENCY LANDING IN A PARKING LOT. EXITING AIRCRAFT FUEL WAS FOUND RUNNING OUT OF COWL, SHUTOFF FUEL SELECTOR, FUEL STOPPED. MAINTENANCE FOUND FUEL LEAKING FROM CARBURETOR. SENT CARBURETOR TO OVERHAUL SHOP, FOUND PLASTIC FL
- [SDR 2004FA0000694](https://openairdocs.org/sdr/2004FA0000694.md): Oil Cooler · cracked · Aug 31, 2004 · N669AM · Amtr ALARUSCH2T · Engine Oil Cooler
  > AIRCRAFT 10 MILES FROM AIRPORT, TRAINING FLIGHT, PRACTICING FLIGHT MANEUVERS. SMELLED SOMETHING WRONG, SCANNED ENGINE GAUGES. NO OIL PRESSURE, BUT OIL TEMPERATURE WAS IN THE GREEN. DECIDED TO RETURN TO THE AIRPORT AND LANDED UNEVENTFULLY. POST FLIGHT INSPE
- [SDR CA031211001](https://openairdocs.org/sdr/CA031211001.md): Line · corroded · Dec 9, 2003 · Cessna 152 · Aircraft Fuel Distribution System
  > (CAN) FUEL LINE HAD A ROUGH LOOK TO THE SURFACE. THE FUEL LINE WAS ACCESSED BY REMOVING CENTER CONSOLE COVER AND PEELING BACK CARPET. CLOSER EXAMINATION OF LINE REVEALED CORROSION PITS AND RESIDUE THAT WAS DETERMINED TO BE CAUSED BY THE FUEL LINE CONTACT WITH
- [SDR 2003FA0000828](https://openairdocs.org/sdr/2003FA0000828.md): Connecting Rod · broken · Jul 9, 2003 · N152AW · Cessna 152 · Reciprocating Engine Power Section
  > AIRCRAFT MADE EMERGENCY LANDING. NR 3 CONNECTING ROD BROKE, CAUSING A HOLE TO BE PUNCHED IN THE CRANKCASE AND DESTROYING THE CAM FOLLOWER AREA. CAUSE OF FAILURE HAS NOT BEEN DETERMINED.
- [SDR CA030609012](https://openairdocs.org/sdr/CA030609012.md): Engine · failed · Jun 2, 2003 · Cessna 152 · Reciprocating Engine Cylinder Section
  > (CAN) DURING LANDING AFTER PASSING THE RUNWAY THRESHOLD ENGINE BROUGHT TO IDLE CAUSING IT TO STOP AND PROP TO WINDMILL. AFTER LANDING PILOT TAXIED WITH REMAINING SPEED OFF THE RUNWAY. (RESTARTING WAS UNSUCCESSFUL). PLANE WAS TOWED TO THE RAMP. NOTE: 164 HOU
- [SDR 2003FA0000594](https://openairdocs.org/sdr/2003FA0000594.md): Cylinder · worn · May 23, 2003 · N95563 · Cessna 152 · Reciprocating Engine Cylinder Section
  > WITH 137 HOURS ON THIS ENGINE THE OIL CONSUMPTION WENT UP. ON INSPECTION OF THE ENGINE, OIL WAS FOUND ON NR 1 AND NR 3 CYLINDER SPARK PLUGS. ALL FOUR CYLINDERS WERE REMOVED AND THE OIL CONTROL RINGS WERE FOUND BROKEN ON CYL NR 1 AND NR 3. THE CYLINDER WALLS
- [SDR 2003FA0000595](https://openairdocs.org/sdr/2003FA0000595.md): Cylinder · worn · May 23, 2003 · N95564 · Cessna 152 · Reciprocating Engine Cylinder Section
  > ENG WAS REMOVED AT 353.2 HRS SMOH AND WAS SENT BACK TO MFG FOR REPAIR DUE TO METAL IN THE OIL. AT 779.5 HRS METAL WAS FOUND IN OIL SYS. WE REPLACED ALL FOUR CYLINDERS AND CONNECTING ROD ASSY. GROUND RUN AND TEST FLIGHT CHECKED GOOD. AT 981.6 HRS TSO AND 2
- [SDR 2003FA0000596](https://openairdocs.org/sdr/2003FA0000596.md): Cylinder · worn · May 23, 2003 · N95604 · Cessna 152 · Reciprocating Engine Cylinder Section
  > PROBLEM WITH HIGH OIL TEMP ON TEST FLIGHT. AT 280.3 OIL CONSUMPTION INCREASED AND ENG STARTED RUNNING ROUGH, WHEN CHECKING SPARK PLUGS FOUND OIL ON NR 3 CYL PLUG. REMOVED NR 3 CYLINDER FOUND OIL CONTROL RING BROKEN, METAL IN OIL SYS. ON 12/27/02 REPLACED
- [SDR 2002FA0001264](https://openairdocs.org/sdr/2002FA0001264.md): Spar · cracked · Oct 21, 2002 · N94268 · Cessna 152 · Elevator, Spar/Rib
  > FOUND CRACK EXTENDING ABOUT.5 INCH FROM OUTBOARD HINGE POINT TO SPAR ATTACHMENT.
- [SDR CA020619001](https://openairdocs.org/sdr/CA020619001.md): Fork · cracked · Jun 13, 2002 · Cessna 152 · Nose/Tail Landing Gear Strut/Axle
  > (CAN) AIRCRAFT WAS BROUGHT IN FOR ROUTINE INSPECTION. DECIDED TO DO A CLOSER INSPECTION ON THE OLEO COMPONENTS DUE TO THE HIGH TIME ON THESE UNITS. A CLOSE VISUAL INSPECTION AIDED BY A MAGNIFIER REVEALED A CRACK ON THE TOP OUTER SURFACE OF THE FORK ASSEMBLY.
- [SDR 2002FA0000936](https://openairdocs.org/sdr/2002FA0000936.md): Piston Pin · worn · Apr 22, 2002 · N94662 · Cessna 152 · Reciprocating Engine Cylinder Section
  > FACTORY OVERHAUL 12/96. REMOVED ENGINE FOR ALUMINUM CONTAMINATION. NR 1 PISTON PIN WEAR, NR 3 PISTON PIN WEAR.
- [SDR 2002FA0000937](https://openairdocs.org/sdr/2002FA0000937.md): Piston Pin · worn · Apr 22, 2002 · N94662 · Cessna 152 · Reciprocating Engine Cylinder Section
  > FACTORY OVERHAUL 12/96. REMOVED AND REPLACED NR 4 CYLINDER DUE TO PISTON PIN WEAR/ CYLINDER RIDGE. DATE OF OCCURANCE 01/00.
- [SDR 2002FA0000940](https://openairdocs.org/sdr/2002FA0000940.md): Piston Pin · worn · Apr 22, 2002 · N94662 · Cessna 152 · Reciprocating Engine Cylinder Section
  > FACTORY ENGINE OVERHAUL O1/01. ALUMINUM IN FILTER DUE TO NR 1 PISTON PIN WEAR.
- [SDR 2002FA0000938](https://openairdocs.org/sdr/2002FA0000938.md): Cap · worn · Apr 12, 2002 · N94662 · Cessna 152 · Reciprocating Engine Cylinder Section
  > FOUND ALUMINUM IN FILTER REMOVED AND REPLACED NR 2 CYLINDER DUE TO PISTON PIN WEAR FROM RIDGE IN CYLINDER. DATE OF OCCURANCE 11/98
- [SDR 2002FA0000939](https://openairdocs.org/sdr/2002FA0000939.md): Cap · worn · Apr 12, 2002 · N94662 · Cessna 152 · Reciprocating Engine Cylinder Section
  > THIS ENGINE FACTORY OVERHAUL 12/96. ALUMINUM IN FILTER, NR 1 CYLINDER WEARS A RIDGE FROM RING IN FORWARD SIDE THEN THE RIDGE WEARS PISTON PIN. DATE OF OCCURANCE 03/98
- [SDR 20000829SH013](https://openairdocs.org/sdr/20000829SH013.md): Magneto · failed · Aug 11, 2000 · N95615 · Cessna 152 · Magneto/Distributor
  > HIT/DVT - WHILE EN ROUTE PILOT REPORTED A SEVERE LOSS OF ENGINE POWER. ACFT MADE UNEVENTFUL LANDING IN THE DESERT ON AN UNCHARTED DIRT STRIP. ACFT HAD TO BE TRUCKED BACK TO DVT. FOUND MAGNETOS PARTIALLY FAILED. BOTH COILS SHOWED SIGNS OF OVERHEATING AND WE
- [SDR 20000829SH014](https://openairdocs.org/sdr/20000829SH014.md): Magneto · failed · Aug 11, 2000 · N95615 · Cessna 152 · Magneto/Distributor
  > HIT/DVT - WHILE EN ROUTE PILOT REPORTED A SEVERE LOSS OF ENGINE POWER. ACFT MADE UNEVENTFUL LANDING IN THE DESERT ON AN UNCHARTED DIRT STRIP. ACFT HAD TO BE TRUCKED BACK TO DVT. FOUND MAGNETOS PARTIALLY FAILED. BOTH COILS SHOWED SIGNS OF OVERHEATING AND WE
- [SDR 20000329SH044](https://openairdocs.org/sdr/20000329SH044.md): Cylinder · damaged · Mar 2, 2000 · N95512 · Cessna 152 · Reciprocating Engine Cylinder Section
  > WHILE PERFORMING ANNUAL INSP, ALUMINUM SHAVINGS WERE FOUND IN THE OIL FILTER. FILTER SENT TO LYC FOR ANALYSIS AND DETERMINED TO BE PISTON PIN PLUG MATERIAL. UPON REMOVAL OF ALL 4 CYLINDERS, SEVERE PITTING FOUND AT BOTTOM OF EACH CYL WALL AT THE POINT WHERE P
- [SDR 20000329SH045](https://openairdocs.org/sdr/20000329SH045.md): Cylinder · damaged · Mar 2, 2000 · N757NZ · Cessna 152 · Reciprocating Engine Cylinder Section
  > WHILE PERFORMING ANNUAL INSP, SMALL ALUMINUM PARTICLES WERE FOUND IN THE OIL FILTER. A BORESCOPE INSP REVEALED WEAR ON CYLINDER WALLS AND PITTING AT THE BASE OF EACH CYL (INSIDE) AT THE POINT OF THE PISTON''S FARTHEST TRAVEL DOWNWARDS. TWO OF THE CYL''S WERE
- [SDR 20000516SH004](https://openairdocs.org/sdr/20000516SH004.md): Piston · making metal · Mar 2, 2000 · N757NZ · Cessna 152 · Reciprocating Engine Cylinder Section
  > WHILE PERFORMING ANNUAL INSP, SMALL ALUMINUM PARTICLES FOUND IN OIL FILTER. BORESCOPE INSP REVEALED WEAR ON CYL WALLS AND PITTING AT BASE OF EACH CYL (INSIDE) AT THE POINT OF THE PISTONS FARTHEST TRAVEL DOWNWARD. TWO OF THE CYL WERE FACTORY NEW WITH 618 HRS S
- [SDR 99ZZZX2287](https://openairdocs.org/sdr/99ZZZX2287.md): Pug · worn · May 21, 1999 · N6490L · Cessna 152 · Reciprocating Engine Cylinder Section
  > FOUND METAL CONTAMINATION OF OIL FILTER IN EXCESS OF LIMITS CONTAINED IN LYC ST 1492B. FOUND FORWARD PISTON PIN PLUG IN NR 1 CYLINDER EXCESSIVELY WORN DUE TO PISTON RING WEAR STEP SHAVING THE PLUG ON EACH STROKE. FOUND GALLING ON UPWARD FACING PISTON SKIRT.
- [SDR 99ZZZX2288](https://openairdocs.org/sdr/99ZZZX2288.md): Plug · worn · May 21, 1999 · N95843 · Cessna 152 · Reciprocating Engine Cylinder Section
  > FOUND METAL CONTAMINATION OF OIL FILTER IN EXCESS OF LIMITS CONTAINED IN LYC SI 1492B. FOUND FORWARD PISTON PIN PLUG IN NR 2 CYLINDER EXCESSIVELY WORN DUE TO PISTON RING WEAR STEP SHAVING THE PLUG ON EACH STROKE. FOUND GALLING OF UPWARD FACING PISTON SHIRT.
- [SDR 99ZZZX2289](https://openairdocs.org/sdr/99ZZZX2289.md): ;Plug · worn · May 21, 1999 · N93689 · Cessna 152 · Reciprocating Engine Cylinder Section
  > FOUND METAL CONTAMINATION OF OIL FILTER IN EXCESS OF LIMITS CONTAINED IN LYC SI 1492B. FOUND FORWARD PISTON PIN PLUG IN NR 1 CYLINDER EXCESSIVELY WORN DUE TO PISTON RING WEAR STEP SHAVING THE PLUG ON EACH STROKE. FOUND GALLING ON UPWARD FACING PISTON SKIRTS.
- [SDR 99ZZZX2290](https://openairdocs.org/sdr/99ZZZX2290.md): Plug · worn · May 21, 1999 · N5377B · Cessna 152 · Reciprocating Engine Cylinder Section
  > FOUND METAL CONTAMINATION OF OIL FILTER IN EXCESS OF LIMITS CONTAINED IN LYC SI 1492B. FOUND FORWARD PISTON PIN PLUG IN NR 1 CYINDER EXCESSIVELY WORN DUE TO PISTON RING WEAR STEP SHAVING THE PLUG ON EACH STROKE. FOUND GALLING ON UPWARD FACING PISTON SKIRT.
- [SDR 99ZZZX2192](https://openairdocs.org/sdr/99ZZZX2192.md): Plug · worn · May 14, 1999 · N95617 · Cessna 152 · Reciprocating Engine Power Section
  > WHILE C/W LYC SI 1492B (PISTON PIN PLUG WEAR INSPECTION) AND FINDING METAL CONTAMINATION OF OIL FILTER IN EXCESS OF LIMITS CONTAINED IN SI 1492B, FOUND THE FORWARD PISTON PIN PLUG EXCESSIVELY WORN DUE TO A PISTON RING WEAR STEP IN THE NR 1 CYINDER ON THE FORWA
- [SDR 99ZZZX2193](https://openairdocs.org/sdr/99ZZZX2193.md): Plug · worn · May 14, 1999 · N95670 · Cessna 152 · Reciprocating Engine Power Section
  > WHILE C/W LYC SI 1492B (PISTON PIN PLUG WEAR INSPECTION) AND FINDING METAL CONTAMINATION OF OIL FILTER IN EXCESS OF LIMITS CONTAINED IN SI 1492B, FOUND THE FORWARD PISTON PIN PLUG EXCESSIVELY WORN DUE TO A PISTON RING WEAR STEP IN THE NR 1 CYLINDER ON THE FORW
- [SDR 99ZZZX2199](https://openairdocs.org/sdr/99ZZZX2199.md): Plug · worn · May 14, 1999 · N6466L · Cessna 152 · Reciprocating Engine Power Section
  > WHILE C/W LYC SI 1492B (PISTON PIN PLUG WEAR INSPECTION) AND FINDING METAL CONTAMINATION OF OIL FILTER IN EXCESS OF LIMITS CONTAINED IN SI 1492B, FOUND THE FORWARD PISTON PIN PLUG EXCESSIVELY WORN DUE TO A PISTON RING WEAR STEP IN THE NR 1 CYLINDER ON THE FORW
- [SDR 99ZZZX2191](https://openairdocs.org/sdr/99ZZZX2191.md): Plug · worn · May 13, 1999 · N95892 · Cessna 152 · Reciprocating Engine Power Section
  > WHILE C/W LYC SI 1492B (PISTON PIN PLUG WEAR INSPECTION) AND FINDING METAL CONTAMINATION OF OIL FILTER IN EXCESS OF LIMITS CONTAINED IN SI 1492B, FOUND THE FORWARD PISTON PIN PLUG EXCESSIVELY WORN DUE TO A PISTON RING WEAR STEP IN THE NR 1 CYLINDER ON THE FORW
- [SDR 99ZZZX2201](https://openairdocs.org/sdr/99ZZZX2201.md): Plug · worn · May 13, 1999 · N5096L · Cessna 152 · Reciprocating Engine Power Section
  > WHILE C/W LYC SI 1492B (PISTON PIN PLUG WEAR INSPECTION) AND FINDING METAL CONTAMINATION OF OIL FILTER IN EXCESS OF LIMITS CONTAINED IN SI 1492B, FOUND THE FORWARD PISTON PIN PLUG EXCESSIVELY WORN DUE TO A PISTON RING WEAR STEP IN THE NR 1 CYLINDER ON THE FORW
- [SDR 99ZZZX1452](https://openairdocs.org/sdr/99ZZZX1452.md): Cylinder · mismanufactured · Mar 22, 1999 · Reciprocating Engine Cylinder Section
  > VISUAL INSPECTION OF FACTORY NEW CYLINDER KIT P/N 05K21123 PRIOR TO INSTALLATION, REVEALED THE WRONG PART NUMBER OUTER EXHAUST VALVE SPRING SEAT WAS INSTALLED. THE PROPER PART NUMBER FOR THIS PART IS LW-10077. THE NEW CYLINDER WAS RECEIVED FROM A FACTORY DISTR
- [SDR CA981230025](https://openairdocs.org/sdr/CA981230025.md): Caliper Housing · cracked · Dec 15, 1998 · Cessna 152 · Brake
  > (CAN) CRACK FOUND ON THE CALIPER HOUSING IN THE PIN LUG AREA.
- [SDR GLBR98100](https://openairdocs.org/sdr/GLBR98100.md): Magneto · failed · Jul 17, 1998 · N757DQ · Cessna 152 · Magneto/Distributor
  > LEFT MAGNETO QUIT IN-FLIGHT. REMOVED AND REPLACED DISTRIBUTOR BLOCK AND GEAR ASSY IAW UNISON SPECS. INSTALLED ONE ENGINE IAW TEXTRON LYC SPECS. TIMED TO ENGINE. MAGS CHECK GOOD. (X)

Next page: https://openairdocs.org/engine/lycoming-o235n2c/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 = 'O235N2C'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/lycoming-o235n2c/reports

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