# Service difficulty reports: Lycoming IO-360-A1B A list on [Lycoming IO-360-A1B](https://openairdocs.org/engine/lycoming-io-360-a1b.md). Newest first. General aviation reporting is voluntary. - [SDR CA151124009](https://openairdocs.org/sdr/CA151124009.md): Oil Filter · damaged · Nov 24, 2015 · Conaer LA4200 · Reciprocating Engine Oil System > (CAN) DURING THE ANNUAL INSPECTION THE OIL FILTER WAS REMOVED AND CUT OPEN FOR INSPECTION AND THE FILTER INTERIOR WAS FOUND TO BE BENT. THERE WAS NO DAMAGE TO THE EXTERNAL CAN OF THE FILTER, AND IT DID NOT APPEAR TO AFFECT THE FILTRATION OF THE OIL. - [SDR CA150604015](https://openairdocs.org/sdr/CA150604015.md): Contact · loose · Jun 1, 2015 · Conaer LA4200 · Magneto/Distributor > (CAN) ENGINE WAS A RECENTLY REBUILT, FACTORY ENG WITH ABOUT 100 HOURS IN SERVICE. WHILE RUNNING UP THE ENG AFTER REFUELING, PERFORMED A MAGNETO DROP CHECK & THE ENG RAN ROUGH ON THE RT MAG. IT HAD BEEN OPERATING FINE UP UNTIL THIS TIME. THEN CHECKED THE TIM - [SDR 2013FA0000589](https://openairdocs.org/sdr/2013FA0000589.md): Tube · cracked · Oct 13, 2013 · N3128P · Conaer LA4200 · Engine Air Intake System > DURING ANNUAL INSPECTION, DISCOVERED A CIRCUMFERENTIAL CRACK WHERE AIRBOX OUTLET TUBE IS WELDED TO AIRBOX. CRACK EXTENDED AROUND.33 OF THE CIRCUMFERENCE OF THIS WELD. - [SDR 2012FA0000357](https://openairdocs.org/sdr/2012FA0000357.md): Servo · defective · May 23, 2012 · N384VP · Parten P68 · Engine Fuel Distribution > WITH AFFECTED FUEL INJECTION SERVO INSTALLED ON ENGINES, ENGINE DOES NOT ACCELERATE THOUGH THE 1950-2000 RPM RANGE. - [SDR CA111028007](https://openairdocs.org/sdr/CA111028007.md): Pushrod · corroded · Oct 27, 2011 · Conaer LA4200 · Rudder Control System > (CAN) ALUM ROD WAS BEING REMOVED TO REPLACE SOME CORRODED BLIND FASTENERS AT THE LOWER END FITTING (FIXED-END, STEEL FITTING). WHEN IT WAS DISCOVERED THE ALUMINUM TUBE WAS CORRODED APPROX 45 PERCENT AROUND THE CIRCUMFRENCE OF THE ROD, AT THE END OF THE STEEL - [SDR CA100121001](https://openairdocs.org/sdr/CA100121001.md): Control Cable · worn · Jan 21, 2010 · Conaer LA4200 · Aileron Control System > (CAN) THE AILERON CABLES ON LAKE ACFT, MODELS, LA-4, -200, -250 HAVE BEEN FOUND WEARING AT FUS STA 117 0N LA-4, 200`S AND FUS STA 176 ON LA-250 WRE THE CABLE CONTACTS THE PHENOLIC FAIRLEAD. THE WEAR OF THESE CABLES IS DEPICTED IN AC43.13-1B, CHAP. 7, PG7-36, F - [SDR 2005FA0001514](https://openairdocs.org/sdr/2005FA0001514.md): Bulkhead · cracked · Nov 8, 2005 · N8050G · Cessna 177RG · Fuselage Main, Bulkhead > BULKHEAD CRACKED AROUND BOTH VERTICAL FIN FORWARD ATTACH BOLTS. - [SDR CA050908002](https://openairdocs.org/sdr/CA050908002.md): Line · obstructed · Sep 2, 2005 · Conaer LA4200 · Landing Gear Actuator > (CAN) NOSE GEAR FAILED TO LOCK DOWN DUE TO A PLUGGED RETURN LINE ORIFACE, ACTUATOR REMOVED/DISASSEMBLED/CLEANED/REASSEMBLED, REINSTALLED, HYDRAULIC SYSTEM FLUSHED, GEAR SWINGS COMPLETED. NO FAULTS FOUND. - [SDR 2004FA0000855](https://openairdocs.org/sdr/2004FA0000855.md): Line · cracked · Oct 29, 2004 · N6691L · Conaer LA4200 · Hydraulic System, Main > DURING FLT, HYD PUMP STARTED TO CYCLE ABNORMALLY. IDENTIFIED HYDRAULIC PRESSURE LOSS TO LANDING GEAR RETRACT CIRCUIT AND ISOLATED WITH LDG GEAR SELECTOR. GEAR EXTENDED FOR LANDING NORMALLY. DURING POST INSPECTION FOR LEAK, LOCATED HYD TUBE AT AFT BULKHEAD STA - [SDR 2004FA0000591](https://openairdocs.org/sdr/2004FA0000591.md): Selector Valve · separated · Jun 5, 2004 · N807ER · Diamon DA40 · Fuel Selector/Shut-Off Valve > DURING FLIGHT, THE FLT CREW MADE A FUEL TANK SELECTION CHANGE AND NOTICED THE FUEL WAS BURNING FROM THE PREVIOUS TANK EVEN THOUGH THE SELECTOR HAD BEEN MOVED TO THE NEW TANK. AFTER LANDING, MAINTENANCE PERSONNEL FOUND THE FUEL SELECTOR SHAFT HAD BECOME SEPARAT - [SDR AUS20040298](https://openairdocs.org/sdr/AUS20040298.md): Rod End · failed · Mar 18, 2004 · Conaer LA4200 · Rudder Control System > (AUS) RUDDER CONTROL ROD BALL JOINT SEIZED AND ROD END FAILED. THE SEIZED BALL JOINT ALLOWED THE CONTROL ROD END TO BEND UP AND DOWN DURING RUDDER APPLICATIONS UNTIL FINAL FAILURE. - [SDR AUS20030788](https://openairdocs.org/sdr/AUS20030788.md): Rivet · corroded · Jun 4, 2003 · Conaer LA4200 · Elevator Control System > (AUS) ELEVATOR PUSHROD AFT END FITTING RIVETS CORRODED. END FITTING SEPARATED FROM PUSHROD CAUSING LOSS OF CONTROL CAUSING DAMAGE TO AIRCRAFT DURING HEAVY LANDING. - [SDR AUS20030896](https://openairdocs.org/sdr/AUS20030896.md): Mount · wrong part · Mar 4, 2003 · Beech A2324 · Engine Mount Section > (AUS) INCORRECT ENGINE MOUNTS FITTED. MANUFACTURER'S ILLUSTRATED PARTS CATALOGUE (IPC) INDICATES INCORRECT NUMBER. CORRECT PART NUMBER AND INSTALLATION PROCEDURES ARE FOUND IN THE MM. IPC INCORRECT. - [SDR CA020826008](https://openairdocs.org/sdr/CA020826008.md): Doubler · cracked · Aug 21, 2002 · Conaer LA4200 · Wing Spar > (CAN) LT WING LOWER SPAR CAP DOUBLER CRACKED AT OUTER BOLT HOLE. - [SDR CA020827009](https://openairdocs.org/sdr/CA020827009.md): Hub · corroded · Aug 20, 2002 · Conaer LA4200 · Propeller Hub Section > (CAN) CORROSION ON HUB IN O-RING SEAL AREA. BALL WEAR ON BLADE BEARING. CHROME WORN THRU TO BASE METAL ON PITCH CHANGE ROD. - [SDR CA020606005](https://openairdocs.org/sdr/CA020606005.md): Motor · worn · Jun 5, 2002 · Beech A24R · Trailing Edge Flap Actuator > (CAN) NOISE IN FLAP MOTOR CAUSED FURTHER INSPECTION. UPON ACCESSING MOTOR UNDER REAR SEAT, SPARKS WERE NOTED COMING OUT OF DRIVE AND OF MOTOR DURING ACTUATION. ARMATURE MOTOR BUSHINGS WERE WORN TO THE EXTENT THAT THERE WAS CONTACT WITH THE END PLATE DURING OPE - [SDR AUS20020259](https://openairdocs.org/sdr/AUS20020259.md): Mount · corroded · Feb 22, 2002 · Beech A2324 · Fuselage, Stabilizer Attach Fittings > (AUS) STABILATOR MOUNTING BLOCK RIVETS SHEARED. INVESTIGATION FOUND THE UNDERSIDE OF THE ATTACHMENT BLOCK BADLY CORRODED AND THE RIVETS CORRODED. - [SDR CA011031021](https://openairdocs.org/sdr/CA011031021.md): Attach Fitting · mismanufactured · Oct 31, 2001 · Conaer LA4200 · Horizontal Stabilizer, Attach Fittings > (CAN) AD 98-10-12, HORIZONTAL STAB ATTACHMENT FITTING NO OF NEW CUSTOMERS A/C HAVE BEEN INSPECTED AT COMPANY & ARE NOT IN COMPLIANCE WITH AD, ALTHOUGH ITS BEEN PREVIOUSLY SIGNED OFF. MOST INSPECTIONS REVEAL THAT CLEARANCE I S LESS THAN THE REQUIRED 5/32 INCH. - [SDR 20010326CW006](https://openairdocs.org/sdr/20010326CW006.md): Valve · worn · Feb 4, 2001 · N67079 · Beech C24R · Landing Gear Retraction/Extension System > EMERGENCY GEAR EXTENSION VALVE WAS OPENED DURING EMERGENCY GEAR EXTENSION TRAINING. THE NOSE GEAR FAILED TO FULLY EXTEND. THE VALVE WAS CLOSED AND NORMAL GEAR EXTENSION WAS ATTEMPTED. THE NOSE GEAR FAILED TO EXTEND. AFTER LANDING WITH THE NOSE GEAR TRAILIN - [SDR CA990804034](https://openairdocs.org/sdr/CA990804034.md): Spar · hole oversized · Jul 20, 1999 · Beech A24R · Wing, Fuselage Attach Fittings > (CAN) REQUIRED WASHERS NOT INSTALLED BETWEEN BUSHING AND FUSELAGE FITTING. THIS ALLOWED BUSHING TO MOVE FORWARD. BECAUSE THERE WAS NOT ENOUGH BEARING SURFACE, THIS ALLOWED BUSHING TO ENLARGE HOLE IN SPAR AND FILLER CAUSING CRACKS TO RADIATE FROM HOLE AND ALL - [SDR CA990804033](https://openairdocs.org/sdr/CA990804033.md): Spar · hole oversized · Jul 15, 1999 · Beech A24R · Wing, Fuselage Attach Fittings > (CAN) WASHERS ARE REQUIRED BETWEEN BUSHING AND FUSELAGE ATTACH FITTING TO HOLD BUSHING IN PLACE. THESE WASHERS WERE MISSING AND ALLOWED THE BUSHING TO MOVE FORWARD. THERE WAS NOT ENOUGH BEARING SURFACE AVAILABLE, SO THE BUSHING MOVED ENLARGING THE HOLE IN TH - [SDR 99ZZZX1560](https://openairdocs.org/sdr/99ZZZX1560.md): Gasket · wrong part · Mar 15, 1999 · N45277 · Cessna 177RG · Magneto/Distributor > DURING 100-HOUR ANNUAL INSPECTION, MAGNETO TYPE BENDIX D2000 SERIES REMOVED FOR CONTACT BREAKER REPLACEMENT AND INTERNAL TIMING CHECK. MAGNETO REFITTING WITH LYCOMING GASKET P/N 62224 INSTEAD OF LW-12681. THE MAGNETO BECAME LOOSE AND BACKED OFF FROM THE ENGI - [SDR CA981006015](https://openairdocs.org/sdr/CA981006015.md): Hub · corroded · Sep 15, 1998 · Conaer LA4200 · Propeller Hub Section > (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. INSPECTION FOUND THE HUB CORRODED. THE SUBMITTER STATES THAT THE LAST CORROSION INSPECTION, WHICH WAS IN 1988, REQUIRED REWORK TO THE MAXIMUM LIMITS DUE TO THE LACK OF INSPECTION AT THE SCHEDULED TIME. - [SDR AU980847](https://openairdocs.org/sdr/AU980847.md): Mount · cracked · Jul 21, 1998 · Parten P68B · Engine Mount Section > (AUS) RIGHT LOWER ENGINE MOUNT TUBE CRACKED. - [SDR CA980519011](https://openairdocs.org/sdr/CA980519011.md): Hub · lack of lube · May 11, 1998 · Conaer LA4200 · Propeller Hub Section > (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. INSPECTION FOUND THE PROPELLER HUB REAR BORE TO BE OVERSIZE. THE CONTROL FORK TO BE OVERSIZE. THE PISTON TO BE UNDERSIZE. THESE CONDITIONS ARE A RESULT OF LACK OF LUBRICATION. THE HUB HAD NOT BEEN GREASED. - [SDR CA980504011](https://openairdocs.org/sdr/CA980504011.md): Blade · damaged · Apr 27, 1998 · Conaer LA4200 · Propeller Blade Section > (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. BOTH PROPELLER BLADES WERE FOUND BADLY NICKED FROM FOD. FIELD REPAIRS WERE NOT MADE IN ACCORDANCE WITH THE HARTZELL MANUAL. - [SDR CA971031003](https://openairdocs.org/sdr/CA971031003.md): Cylinder · worn · Oct 23, 1997 · Beech A24R · Propeller Hub Section > (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. CYLINDER FOUND WORN AND WAS REPLACED. THE PROPELLER BLADE (P/N S78FBM-1.5) WAS FOUND NICKED ON THE LEADING EDGE AND THE FACE AND WAS TRIMMED. - [SDR CA970506007](https://openairdocs.org/sdr/CA970506007.md): Blade · damaged · Apr 30, 1997 · Conaer LA4200 · Propeller Blade Section > (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. #1 PROPELLER BLADE HAD DAMAGE TO THE FACE SIDE DUE TO BOLT OR SCREW DAMAGE WHICH WAS NOT DRESSED OUT, WHEN PROPELLER WAS RECEIVED FOR INSPECTION. - [SDR CA970407006](https://openairdocs.org/sdr/CA970407006.md): Blade · eroded · Mar 26, 1997 · Conaer LA4 · Propeller Blade Section > (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. BLADE LEADING EDGE ERODED/CORRODED. FILING AND DRESSING OUT REQUIRED. - [SDR CA970407007](https://openairdocs.org/sdr/CA970407007.md): Fork · worn out · Mar 26, 1997 · Conaer LA4 · Propeller Hub Section > (CAN) INSPECTION FOUND PROPELLER FORK WORN. - [SDR 96ZZZX4398](https://openairdocs.org/sdr/96ZZZX4398.md): Impulse Cam · worn · Jul 22, 1996 · N52073 · Cessna 177RG · Magneto/Distributor > INSPECTED MAGNETO RIVETED CAM ASSY AND FOUND WORN BEYOND 'X' PLUS.014 INCH. SUBMITTER STATES THESE EARLY RIVETED UNITS SHOULD BE CHANGED OUT TO THE SNAP RING STYLE AT 500 HOURS. NEW STYLE FOR THIS APPLICATION IS 10-400167-9. - [SDR CA960222007](https://openairdocs.org/sdr/CA960222007.md): Elbow · cracked · Feb 7, 1996 · Cessna 177RG · Reciprocating Engine Oil System > (CAN) SLIGHT OIL LEAK NOTED AT #1 CYLINDER. FOUND OIL RETURN FITTING ON CYLINDER HEAD CRACKED AROUND 90 PERCENT OF THE CIRCUMFERENCE AT PIPE THREADS FLUSH WITH BOSS. - [SDR 95ZZZX2316](https://openairdocs.org/sdr/95ZZZX2316.md): Ring · defective · Apr 20, 1995 · Reciprocating Engine Cylinder Section > AFTER 2-HOUR TEST RUN, NR 1 CYLINDER WAS STILL BURNING OIL AND HAD NOT SEATED. INSPECTION OF THE CYLINDER FOUND CHROME HAD CHIPPED OFF THE EDGE OF THE RING AT THE GAP. IT APPEARS TO BE A MANUFACTURING DEFECT. ## 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 = 'IO360A1B' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/engine/lycoming-io-360-a1b/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.