# Service difficulty reports: Lycoming HO-360-C1A

A list on [Lycoming HO-360-C1A](https://openairdocs.org/engine/lycoming-ho-360-c1a.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 2 · 56 reports

- [SDR CA141023007](https://openairdocs.org/sdr/CA141023007.md): Bearing · making metal · Oct 6, 2014 · Hughes 269C1 · Tail Rotor Head
  > (CAN) THE ROTOR SYS WAS FOUND TO BE INCREASING IN VIBRATION. CHECKED THROUGH THE SYSTEM AND FOUND THE BEARINGS WHEN PURGED OF GREASE WERE SHOWING FINE METAL PARTICLES. CARRIED OUT A WEIGHTED ROTATIONAL TEST ON PITCH HOUSINGS AND FOUND THE BEARINGS TO BE A BI
- [SDR CA091206004](https://openairdocs.org/sdr/CA091206004.md): Bearing · cracked · Nov 23, 2009 · Hughes 269C1 · Main Rotor Head
  > (CAN) INNER RACE OF FLAPPING HINGE BRG FOUND CRACKED HALF WAY THROUGH ON ANNUAL INSP.
- [SDR 2007FA0000667](https://openairdocs.org/sdr/2007FA0000667.md): Cylinder Head · separated · Jul 26, 2007 · N2021G · Hughes 269C1 · Reciprocating Engine Cylinder Section
  > NR 2 CYLINDER HEAD SEPARATED FROM CYLINDER BARREL IN FLIGHT.
- [SDR 2007FA0000677](https://openairdocs.org/sdr/2007FA0000677.md): Cylinder Head · separated · Jul 15, 2007 · N2021G · Hughes 269C1 · Reciprocating Engine Cylinder Section
  > 2 NR CYLINDER HEAD ASSEMBLY APPEARS TO HAVE FAILED DURING FLIGHT RESULTING IN A SEVERE ENGINE VIBRATION AND A FORCED LANDING. EXAMINATION OF UPPER HALF OF FAILED CYLINDER ASSEMBLY REVEALS THAT A CRACK OCCURRED AND PROPAGATED SYMMETRICALLY AROUND THE CYLINDER A
- [SDR CA070612004](https://openairdocs.org/sdr/CA070612004.md): Drive Belt · split · Jun 12, 2007 · Hughes 269C1 · Engine/Transmission Coupling
  > (CAN) DRIVE BELT AXIAL SPLIT OVER 50 PERCENT OF BELT CIRCUMFERENCE; SPLIT OCCURS UNDER OUTER LAYER OF BELT. NOTE: PLEASE ADVISE IF PHYSICAL VERIFICATION IS REQUIRED AS MUST RETURN BELTS TO MFR FOR WARRANTY CONSIDERATION. (TC NR 20070612004)
- [SDR CA070515006](https://openairdocs.org/sdr/CA070515006.md): Bracket · broken · May 1, 2007 · Hughes 269C1 · DC Generator-Alternator
  > (CAN) ALTERNATOR BRACKET BROKEN. REPLACED BRACKET WITH NEW PART PN LW10382. (TC NR 20070515006)
- [SDR CA060224006](https://openairdocs.org/sdr/CA060224006.md): Adapter · broken · Feb 15, 2006 · Hughes 269C1 · Magneto/Distributor
  > DURING 25 HOUR INSPECTION, OIL WAS DRAINED FROM ENGINE AND FOUND BEARING CAGE BALL RETAINER MADE OF PLASTIC (KIND OF) ON ENGINE OIL SCREEN. REMOVED BOTH MAGNETO DRIVE ADAPTER ASSEMBLY AND FOUND THE PROBLEM ON THE RT ADAPTER (BALL RETAINERS MISSING). REPLACED
- [SDR CA060306013](https://openairdocs.org/sdr/CA060306013.md): Starter · failed · Jan 13, 2006 · Hughes 269C1 · Engine Starter
  > (CAN) STARTER NOT OPERATING. REPLACED STARTER. (TC NR 20060306013)
- [SDR CA060306007](https://openairdocs.org/sdr/CA060306007.md): Magneto · failed · Jan 10, 2006 · Hughes 269C1 · Magneto/Distributor
  > (CAN) AIRCRAFT HARD TO START AND 125 DROOP. REPLACED LT MAGNETO. (TC NR 20060306007)
- [SDR CA060213005](https://openairdocs.org/sdr/CA060213005.md): Bearing · broken · Dec 20, 2005 · Hughes 269C1 · Magneto/Distributor
  > (CAN) SMALL METAL FRAGMENT DISCOVERED WHILE CHANGING ENGINE OIL. FOUND TO BE PART OF A BEARING KEEPER IN RT MAGNETO ADAPTER BEARINGS. THIS IS THE SECOND TIME THIS PROBLEM HAS OCCURRED ON THIS AIRCRAFT. (TC NR 20060213005)
- [SDR CA060306012](https://openairdocs.org/sdr/CA060306012.md): Bracket · cracked · Nov 18, 2005 · Hughes 269C1 · Fuselage Miscellaneous Structure
  > (CAN) BRACKET CRACKED. REPLACED BRACKET. (TC NR 20060306012)
- [SDR CA051206006](https://openairdocs.org/sdr/CA051206006.md): Crankshaft · cracked · Nov 1, 2005 · Hughes 269C1 · Reciprocating Engine Power Section
  > ENGINE WAS IN FOR OVERHAUL. CRACK FOUND IN CRANKSHAFT WITH MPI. NO RECORD OF BLADE STRIKE.
- [SDR CA051007004](https://openairdocs.org/sdr/CA051007004.md): Carburetor · failed · Sep 28, 2005 · Hughes 269C1 · Fuel Control/Reciprocating Engines
  > (CAN) AIRCRAFT HAVE LOW POWER IN FLIGHT. REPLACED CARBURATOR.
- [SDR CA051003015](https://openairdocs.org/sdr/CA051003015.md): Tube · cracked · Sep 22, 2005 · Hughes 269C1 · Main Rotor Mast/Swashplate
  > (CAN) 1) TUBE ASSEMBLY IS CRACKED ON THE MAST SIDE. 2) REPLACED TUBE ASSEMBLY, P/N 269A2172-5.
- [SDR 2005FA0000888](https://openairdocs.org/sdr/2005FA0000888.md): Cylinder · cracked · Jun 20, 2005 · N2024Z · Hughes 269C1 · Reciprocating Engine Cylinder Section
  > DURING 100HR COMPRESSION CHECK, AIR WAS FOUND TO BE LEAKING AROUND TOP SPARK PLUG AREA. FURTHER INSPECTION NOTED CRACK ALONG TOP COOLING FIN AREA. UPON REMOVING CYLINDER, CRACK WAS FOUND TO RUN FROM AREA AROUND TOP SPARKPLUG HOLE THROUGH EXHAUST SEAT AND THR
- [SDR 2005FA0000889](https://openairdocs.org/sdr/2005FA0000889.md): Cylinder · cracked · Jun 20, 2005 · N2024Z · Hughes 269C1 · Reciprocating Engine Cylinder Section
  > DURING 100HR COMPRESSION CHECK, AIR WAS FOUND TO BE LEAKING AROUND TOP SPARK PLUG AREA. FURTHER INSPECTION NOTED CRACK ALONG TOP COOLING FIN AREA. UPON REMOVING CYLINDER, CRACK WAS FOUND TO RUN FROM AREA AROUND TOP SPARKPLUG HOLE THROUGH EXHAUST SEAT AND THR
- [SDR CA050208007](https://openairdocs.org/sdr/CA050208007.md): Pump · loose · Feb 8, 2005 · Hughes 269C1 · Engine Fuel Pump
  > (CAN) DURING INSPECTION, FUEL WETNESS WAS DISCOVERED ON THE BOTTOM OF THE FUEL PUMP. UPON FURTHER INSP ALL OF THE DIAPHRAGM RETENTION BOLTS WERE FOUND TO BE LOOSE. A MINIMUM OF THREE QUARTERS TO TWO TURNS WAS OBSERVED ON ALL OF THE BOLTS IN ORDER TO ACHIEVE
- [SDR CA041102002](https://openairdocs.org/sdr/CA041102002.md): Carriage · cracked · Nov 2, 2004 · Hughes 269C1 · Main Rotor Transmission Mount
  > DURING A SCHEDULED 4200 HR O/H THE ABOVE DESCRIBED CARRIER WAS FOUND TO HAVE 3 CRACKS AT 3 SEPARATE LOCATIONS IN THE CARRIER TO COUPLING MOUNTING HOLE LOCATIONS. THESE CRACKS WERE DETECTED DURING FLUORESCENT PENETRANT INSPECTION. FOR THE FUTURE A MIDLIFE INS
- [SDR CA041013009](https://openairdocs.org/sdr/CA041013009.md): Switch · malfunctioned · Oct 7, 2004 · Hughes 269C1 · Communications System
  > (CAN)TRIGGER SWITCH MALFUNCTION, NO TRANSMISSION. REPLACED SWITCH P/N M8805/111-04.
- [SDR CA041006001](https://openairdocs.org/sdr/CA041006001.md): Trim Switch · sticks · Sep 28, 2004 · Hughes 269C1 · Stabilizer Position Indicating
  > (CAN) TRIM SWITCH STICKS WHEN PULLED FOR REAR ACTIVATION. REPLACED SWITCH.
- [SDR CA040706002](https://openairdocs.org/sdr/CA040706002.md): Carburetor · failed · Jun 1, 2004 · Hughes 269C1 · Fuel Control/Reciprocating Engines
  > HIGH MANIFOLD PRESSURE. REPLACED CARBURETOR.
- [SDR CA040427013](https://openairdocs.org/sdr/CA040427013.md): Shaft · broken · Mar 12, 2004 · Hughes 269C1 · Main Rotor Gearbox
  > (CAN) BEARING SIZE DUE TO LACK OF LUBRICATION. DUE TO INCORRECT INSTALLATION AT REPAIR.
- [SDR CA040127017](https://openairdocs.org/sdr/CA040127017.md): Nut · loose · Jan 5, 2004 · Hughes 269C1 · Engine/Transmission Coupling
  > (CAN) OIL LEAKING FROM FREEWHEEL WAS NOTED AT REFUELING STOP. NUT (WHICH IS ALSO SEAL RUNNER) WAS FOUND LOOSE. NUT WAS RETORQUED AND FLUSH OF FREEWHEEL PRODUCED NO DISCOLORATION OR PARTICLES. LEAK CHECK CARRIED OUT AND RETURNED TO SERVICE. NOTE: THAT OIL ON
- [SDR CA030129003](https://openairdocs.org/sdr/CA030129003.md): Camshaft · damaged · Jan 13, 2003 · Hughes 269C1 · Reciprocating Engine Power Section
  > (CAN) THE ENGINE HAD 6 HOURS TTSO. THE PILOTS NOTICED AN ENGINE VIBRATION, AND STARTING WAS BECOMING EVER MORE DIFFICULT. THE AME THEN PROCEEDED IN REPLACING THE TWO MAGNETOS AND THE CARBURETOR. AFTER A FEW HOURS OF FLIGHT THE PROBLEM PERSISTED. THE AME THEN C
- [SDR CA030103004](https://openairdocs.org/sdr/CA030103004.md): Intake Valve · leaking · Nov 5, 2002 · Hughes 269C1 · Reciprocating Engine Cylinder Section
  > (CAN) BASE LINE DIFFERENTIAL CHECK OF NEW AIRCRAFT REVEALED LEAKING NR 4 CYLINDER INTAKE VALVE. CYLINDER REMOVED AND REPAIRED.
- [SDR CA030103002](https://openairdocs.org/sdr/CA030103002.md): Control Unit · failed · Oct 30, 2002 · Hughes 269C1 · Engine/Transmission Coupling
  > (CAN) PILOT REPORTED DURING HOVER, THE TAXI LOW ROTOR WARNING ACTIVATED BUT ROTOR RPM WAS IN PROPER AREA OF GREEN ARC ON DUAL TACH. DURING SHUTDOWN, SWITCHING BELT DRIVE ENGAGEMENT SWITCH TO DISENGAGE MADE ENGINE QUIT. TROUBLESHOOTING REVEALED CONTROL UNIT DI
- [SDR CA021031016](https://openairdocs.org/sdr/CA021031016.md): Bracket · cracked · Sep 26, 2002 · Hughes 269C1 · DC Generator-Alternator
  > (CAN) ALTERNATOR BRACKET BROKEN. REPLACED BRACKET.
- [SDR CA021031014](https://openairdocs.org/sdr/CA021031014.md): Bearing · worn · Sep 24, 2002 · Hughes 269C1 · Power Lever
  > (CAN) BEARING ON CARBURETOR LOOSE IN THROTTLE. REPLACED BEARING.
- [SDR CA021031010](https://openairdocs.org/sdr/CA021031010.md): Camshaft · failed · Sep 23, 2002 · Hughes 269C1 · Reciprocating Engine Power Section
  > (CAN) ENGINE RUNS UNEVEN. FOUND METAL DEPOSITS IN OIL FILTER. ENGINE REMOVED AND SENT FOR INSPECTION/REPAIR.
- [SDR 2002FA0001001](https://openairdocs.org/sdr/2002FA0001001.md): Plug · missing · Aug 8, 2002 · N61426 · Hughes 269C1 · Engine (Reciprocating)
  > SCHEDULED INSPECTION AND MAINTENANCE, WHILE PERFORMING A COMPRESSION CHECK, IT WAS NOTED THAT THE ENGINE TURNING TOOL WENT INTO THE LOWER PULLEY DRIVE SPLINE FARTHER THAN NORMAL. FURTHER INVESTIGATION REVEALED THE ENGINE DRIVE SHAFT TO BE IMPROPERLY POSITIONE
- [SDR CA021031013](https://openairdocs.org/sdr/CA021031013.md): Alternator · failed · Aug 5, 2002 · Hughes 269C1 · AC Generator-Alternator
  > (CAN) ALTERNATOR LOW VOLTAGE. REPLACED ALTERNATOR.
- [SDR CA021031011](https://openairdocs.org/sdr/CA021031011.md): Indicator · failed · Jul 30, 2002 · Hughes 269C1 · Rate of Climb Indicator
  > (CAN) VERTICAL SPEED GIVING UNCLEAR READINGS. REPLACED VERTICAL SPEED INDICATOR.
- [SDR 2002FA0000922](https://openairdocs.org/sdr/2002FA0000922.md): Tube · cracked · Jul 18, 2002 · N6151L · Hughes 269C1 · Main Rotor Mast/Swashplate
  > TUBE APPEARED TO HAVE A PAINT FLAW. REMOVAL OF PAINT REVEALED A CRACKED TUBE WELD. TUBE REMOVED FROM SERVICE FOR TESTING/ INSPECTION BY MANUFACTURER.
- [SDR 2002FA0000923](https://openairdocs.org/sdr/2002FA0000923.md): Tube · cracked · Jul 18, 2002 · N20256 · Hughes 269C1 · Main Rotor Mast/Swashplate
  > TUBE APPEARED TO HAVE HAD A CRACK UNDERNEATH THE LUG WELD PRIOR TO COMPLETE FAILURE. THE FAILURE OF THIS TUBE ASSEMBLY CAUSED SEVERE VIBRATION IN AIRCRAFT, RESULTING IN DAMAGE TO MAIN ROTOR BLADES, TAIL ROTOR BLADES, DRIVETRAIN, TAILBOOM AND CANOPY.
- [SDR AUS20020700](https://openairdocs.org/sdr/AUS20020700.md): Carburetor · faulty · Jul 12, 2002 · Hughes 269C · Fuel Control/Reciprocating Engines
  > (AUS) NEWLY FITTED ENGINE CARBURETTOR WAS UNABLE TO LEAN THE MIXTURE USING THE MIXTURE SCREW.
- [SDR CA011219005](https://openairdocs.org/sdr/CA011219005.md): Carburetor · malfunctioned · Nov 23, 2001 · Hughes 269C1 · Fuel Control/Reciprocating Engines
  > (CAN) ENGINE ROUGH AND SLOW AT RECOVERY FROM AUTOROTATOR. REPLACE CARBURATOR.
- [SDR CA011116004](https://openairdocs.org/sdr/CA011116004.md): Support · cracked · Nov 7, 2001 · Hughes 269C1 · Main Rotor Mast/Swashplate
  > (CAN) AFT MAIN ROTOR MAST SUPPORT (TAILBOOM TO MAIN ROTOR GEARBOX MAST)
- [SDR CA011116003](https://openairdocs.org/sdr/CA011116003.md): Support · cracked · Oct 23, 2001 · Hughes 269C1 · Main Rotor Mast/Swashplate
  > (CAN) AFT MAIN ROTOR MAST SUPPORT (TAILBOOM TO M/R GEARBOX MAST).
- [SDR AUS20010479](https://openairdocs.org/sdr/AUS20010479.md): Retainer · worn · Apr 6, 2001 · Hughes 269C · Engine/Transmission Coupling
  > (AUS) THERMOFIT SLEEVE WORN ON RETAINER.
- [SDR CA010226011](https://openairdocs.org/sdr/CA010226011.md): Magneto · failed · Feb 5, 2001 · Hughes 269C1 · Magneto/Distributor
  > (CAN) AIRCRAFT HARD TO START. RETARD LOW INTENSITY SPARK. REPLACED MAGNETO.
- [SDR CA010226012](https://openairdocs.org/sdr/CA010226012.md): Relay · failed · Jan 25, 2001 · Hughes 269C1 · Engine Starter
  > (CAN) ENGAGEMENT INTERMITTENT DUE TO VIBRATION. REPLACED STARTER RELAY.
- [SDR CA010214011](https://openairdocs.org/sdr/CA010214011.md): Shoulder Belt · failed · Jan 19, 2001 · Hughes 269C1 · Flight Compartment Equipment
  > (CAN) MAIN STRAP SHREADED.REPLACED SHOULDER STRAP.
- [SDR CA001129002](https://openairdocs.org/sdr/CA001129002.md): Carburetor · failed · Nov 8, 2000 · Hughes 269C1 · Fuel Control/Reciprocating Engines
  > (CAN) ENGINE MISSED WITH THROTTLE ROLLED ON. REMOVED SENT FOR REPAIR AT PRECISION. (X)
- [SDR CA001129003](https://openairdocs.org/sdr/CA001129003.md): Transmitter · failed · Nov 8, 2000 · Hughes 269C1 · Engine Oil Indicating System
  > (CAN) HIGH PRESSURE READING/INDICATION. REPLACED PART. (X)
- [SDR CA001102004](https://openairdocs.org/sdr/CA001102004.md): Carburetor · inoperative · Oct 10, 2000 · Hughes 269C1 · Fuel Control/Reciprocating Engines
  > (CAN) ENGINE ROUGH WHEN PULLING POWER DURING EXERCISES, BUT NOT CONSTANT. REPLACED CARBURETOR. (X)
- [SDR 20000828SH027](https://openairdocs.org/sdr/20000828SH027.md): Intake Valve · gouged · Aug 8, 2000 · N2039B · Hughes 269C1 · Reciprocating Engine Cylinder Section
  > AIRCRAFT EXPERIENCED A ROUGH RUNNING ENGINE ACCOMPANIED BY A LOSS OF POWER. SUSPECTING A STICKING VALVE, AN EXHAUST VALVE WIGGLE CHECK WAS PERFORMED IAW LYC SB SB388B. SINCE EXHAUST VALVE CLEARANCES WERE FOUND WITHIN LIMITS, AN INSP OF THE INTAKE VALVES WAS
- [SDR CA000404031](https://openairdocs.org/sdr/CA000404031.md): Carburetor · failed · Mar 9, 2000 · Hughes 269C1 · Fuel Control/Reciprocating Engines
  > (CAN) ENGINE QUIT DURING IDLE, AFTER RESTART, ENGINE WOULD NOT ACCELERATE FROM IDLE TO WARM UP RPM. CARBURETOR REPLACED.
- [SDR CA000404029](https://openairdocs.org/sdr/CA000404029.md): Carburetor · leaking · Nov 24, 1999 · Hughes 269C1 · Fuel Control/Reciprocating Engines
  > CARBURETOR LEAKING INTERNALLY.
- [SDR 20000622SH008](https://openairdocs.org/sdr/20000622SH008.md): Bearing Cage · cracked · Oct 5, 1999 · N2063X · Hughes 269C1 · Magneto/Distributor
  > BEARING CAGE CRACKED AND CAME APART DURING OPERATION. RIVETING MARKS SEEMS TO HAVE BEEN THE ORIGIN OF CRACKS FOUND IN SIMILAR FAILURES IN THE PAST. (X)
- [SDR CA990728092](https://openairdocs.org/sdr/CA990728092.md): Carburetor · failed · Jul 22, 1999 · Fuel Control/Reciprocating Engines
  > (CAN) PRECISION HA-6-10-60301. CARBURETOR FAILURE, INTERNAL.

Next page: https://openairdocs.org/engine/lycoming-ho-360-c1a/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 = 'HO360C1A'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/lycoming-ho-360-c1a/reports

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