# Service difficulty reports: Lycoming IO-540-K1J5

A list on [Lycoming IO-540-K1J5](https://openairdocs.org/engine/lycoming-io-540-k1j5.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 2 · 64 reports

- [SDR CA150323006](https://openairdocs.org/sdr/CA150323006.md): Support Bracket · broken · Mar 23, 2015 · Piper PA60600 · Engine Collector/Tailpipe/Nozzle
  > (CAN) EXHAUST STACK SUPPORT BRACKET FOUND BROKEN ON RT SIDE ENGINE.
- [SDR CA130823011](https://openairdocs.org/sdr/CA130823011.md): Alternator · malfunctioned · Aug 22, 2013 · Piper PA60600 · AC Generator-Alternator
  > (CAN) PILOT EXPERIENCED TOTAL ELECTRICAL FAILURE. MAINTENANCE FOUND RT ALTERNATOR FEED CURCUIT BREAKER POPPED & LT ALTERNATOR OUTPUT VERY LOW. BATTERIES FOUND TO BE DEPLETED DOWN TO A LOW VOLTAGE DUE TO BOTH ALTERNATORS NOT FEEDING ELECTRICAL SYSTEM. MAINTE
- [SDR CA101027006](https://openairdocs.org/sdr/CA101027006.md): Engine · fod · Oct 25, 2010 · Piper PA60600 · Engine (Reciprocating)
  > (CAN) ALUMINUM PLUG LEFT IN BYPASS OIL PORT AFTER INITIAL START/RUN BY OVERHAUL SHOP.
- [SDR CA100618002](https://openairdocs.org/sdr/CA100618002.md): Pump · malfunctioned · Jun 17, 2010 · Piper PA60600 · Fuel Boost Pump
  > NR2 BOOST PUMP POPPING CIRCUIT BREAKER.
- [SDR CA100608008](https://openairdocs.org/sdr/CA100608008.md): Control Cable · obstructed · Jun 1, 2010 · Piper PA60600 · Aileron Control System
  > WHEN ELEVATOR CONTROL PULLED ALL THE WAY BACK THE AILERONS WERE LOCKED UP. HOSE CLAMP WAS HOLDING STRUCTURE CLOSER TO CONTROL COLUMN SHAFT. WHEN CONTROL COLUMN WAS PULLED OUT, A ROLLER ADJUSTMENT SCREW CONTACTED THE STRUCTURE, BINDING. THE AILERONS, AS HOSE C
- [SDR CA090901009](https://openairdocs.org/sdr/CA090901009.md): Seat Back · broken · Aug 27, 2009 · Piper PA60600 · Flight Compartment Equipment
  > PILOT FOUND SEAT BACK BROKEN AFTER ADJUSTING POSITION BEFORE ENTERING ACFT. MX FOUND SEAT BACK FRAME ATTACHEMENT HORN BROKEN AT PIVOT POINT HOLE.
- [SDR CA090826011](https://openairdocs.org/sdr/CA090826011.md): Servo · sticking · Aug 24, 2009 · Piper PA60600 · Power Lever
  > THROTTLE PLATE STUCK ON ENG RUN UP RPM WOULD NOT GO BELOW 2000 RPM. WHEN SERVO INJECTOR WAS REMOVED FROM ENG, THROTTLE PLATE WAS MOVING FREELY AGAIN. THROTTLE SHAFT BUSHINGS SHOWED SIGNS OF EXCESSIVE WEAR. THIS PART WAS HIGH TIME.
- [SDR CA090724003](https://openairdocs.org/sdr/CA090724003.md): Diode · failed · Jul 20, 2009 · Piper PA60600 · Main Landing Gear
  > (CAN) WHEN GEAR WAS SELECTED DOWN, GEAR DOWN AND LOCKED LIGHT DID NOT ILLUMINATE. WHEN GEAR WAS THEN SELECTED UP, THE SAFETY SOLENOID DID NOT DISENGAGE AND SO HAD TO BE MANUALLY OVERRIDDEN.
- [SDR CA070706005](https://openairdocs.org/sdr/CA070706005.md): Shear Pin · sheared · Jul 3, 2007 · Piper PA60600 · Landing Gear Doors
  > (CAN) AFTER TAKEOFF THE PILOT SELECTED GEAR UP, THE GEAR UP LIGHT FAILED TO ILLUMINATE. THE LANDING GEAR WAS EXTENDED AND THE AIRCRAFT LANDED AT AIRPORT. UPON INVESTIGATION THE LANDING GEAR DOOR SHEAR PIN WAS FOUND SHEARED. THE PIN WAS REPLACED, THE AIRCRAFT W
- [SDR CA060419002](https://openairdocs.org/sdr/CA060419002.md): Spar · cracked · Apr 17, 2006 · Piper PA60601 · Wing Spar
  > CRACK WAS NOTICED DURING AN ANNUAL INSPECTION WITH THE AID OF FLASHLIGHT AND MIRROR. THE DEFECT AREA IS JUST AFT OF THE NR 2 ENGINE FIREWALL THROUGH AN INSPECTION PANEL LOCATED ON THE WING UPPER SURFACE. MORE INFORMATION TO FOLLOW CONFIRMING THE CRACK(S) WIT
- [SDR CA050225006](https://openairdocs.org/sdr/CA050225006.md): Doubler · cracked · Feb 24, 2005 · Piper PA60600 · Vertical Stabilizer, Plate/Skin
  > (CAN) WHILE ACCOMPLISHING AD 80-19-14 STABILIZER FITTING INSPECTION, 2 CRACKS WERE NOTICED ON THE BOTTOM RIB P/N 220000-033 OF THE VERTICAL FIN. CRACKS ARE LOCATED INTHE REAR 90 DEGREE BEND OF THE RIB, RADIATING INWARDS FROM THE RADIUS CUT OUT. CRACKS WERE BO
- [SDR CA050225007](https://openairdocs.org/sdr/CA050225007.md): Rib · cracked · Feb 24, 2005 · Piper PA60600 · Vertical Stabilizer, Spar/Rib
  > (CAN) VERTICAL RIB WAS REMOVED FOR RIB REPLACEMENT. ONCE FIN WAS REMOVED, FORWARD RIB WAS FOUND TO HAVE 2 CRACKS IN THE REAR 90 DEGREE BEND. CRACKS ORIGINATE FROM LT AND RT RADIUS CUTS AND GO ALONG THE BEND RADIUS. LT CRACK IS A HALF AN INCH LONG AND THE RT C
- [SDR TZR2005F00000](https://openairdocs.org/sdr/TZR2005F00000.md): Trunnion · cracked · Jan 4, 2005 · N604TE · Piper PA60600 · Main Landing Gear
  > LT MLG, TRUNION CRACKED AT TOP WHERE TUBE GOES INTO MOUNTING BOSS. (SW05200506154) (K)
- [SDR CA031106003](https://openairdocs.org/sdr/CA031106003.md): Attach Fitting · cracked · Oct 15, 2003 · Piper PA60600 · Wing, Attach Fittings
  > (CAN) DURING ANNUAL ISPECTION OF WING TO FUSELAGE ATTACH FITTINGS IAW MFG SB 600-136, THE LT AFT FITTING WAS FOUND TO BE CRACKED. ALL OTHER AIRCRAFT IN THE FLEET WERE INSPECTED WITH NO FURTHER DEFECTS NOTED. THE AIRCRAFT WILL BE REPAIRED PRIOR TO BEING RELEASE
- [SDR AUS20030656](https://openairdocs.org/sdr/AUS20030656.md): Propeller · faulty · Jun 17, 2003 · Piper PA60600A · Propeller Assembly
  > (AUS) PROPELLER REMOVED DUE TO OIL LEAK. DISASSEMBLY AND INVESTIGATION FOUND THE FOLLOWING DEFECTS; INCORRECT LOCKING OF BALANCE WEIGHT SCREWS. SCREWS WERE LOCKWIRED IN A MANNER THAT THE SCREWS WERE UNDOING EACH OTHER. PN A2433 LONG BOLTS WERE USED INSTEAD O
- [SDR AUS20030587](https://openairdocs.org/sdr/AUS20030587.md): Bearing · failed · May 23, 2003 · Piper PA60600A · Wheel/Ski/Float
  > (AUS) RT MAIN WHEEL INBOARD BEARING ASSEMBLY FAILED.
- [SDR AUS20021251](https://openairdocs.org/sdr/AUS20021251.md): Fitting · cracked · Oct 18, 2002 · Piper PA60600A · Horizontal Stabilizer, Attach Fittings
  > (AUS) RH HORIZONTAL STABILISER FORWARD ATTACHMENT FITTING CRACKED.
- [SDR CA011108007](https://openairdocs.org/sdr/CA011108007.md): Control Cable · separated · Oct 29, 2001 · Piper PA60600 · Mixture Control
  > (CAN) DURING ANNUAL INSPECTION THE ENGINES WERE BEING REMOVED FOR REPLACEMENT. DURING INSPECTION OF THE ENGINE CONTROLS, BOTH THE LT MIXTURE CONTROL CABLE P/N 600035-549 AND RIGHT HAND MIXTURE CONTROL CABLE P/N 600035-547 WERE FOUND TO BE SEPARATED AT THE SWAG
- [SDR AUS20010508](https://openairdocs.org/sdr/AUS20010508.md): Bearing · broken · May 17, 2001 · Piper PA60600A · Landing Gear Actuator
  > (AUS) LH MAIN LANDING GEAR ACTUATOR RODEND BEARING FRACTURED.
- [SDR BSY2001F00021](https://openairdocs.org/sdr/BSY2001F00021.md): Door · malfunctioned · Feb 7, 2001 · N6076L · Piper PA60600 · Landing Gear Door Retract Section
  > (BWI)(MIR) AFTER TAKE OFF HAD NO GEAR UP LIGHT, RETURNED TO BWI, FOUND NOSE GEAR DOORS HOLDING GEAR FROM GOING ALL THE WAY UP IN WHEEL WELL. REPAIRED DOORS. OPS CHECKS GOOD.
- [SDR 20010122CW009](https://openairdocs.org/sdr/20010122CW009.md): Hose · broken · Dec 8, 2000 · N6076L · Piper PA60600 · Landing Gear Actuator
  > MIR BDL AIRCRAFT FLYING FROM BOS TO TEB, LOST ALL HYDRAULIC FLUID, DIVERTED TO MAINTENANCE BASE AT BDL. FOUND HYDRAULIC HOSE BROKEN LT GEAR DOOR ACTIVATOR.
- [SDR 20010420CW010](https://openairdocs.org/sdr/20010420CW010.md): Retainer · loose · Sep 26, 2000 · N5FA · Piper PA60600 · Reciprocating Engine Cylinder Section
  > DEFECT OCCURED UNDER NORMAL CIRCUSTANCE ON A FRESH FACTORY OVERHAUL. NR 4 CYL INTAKE ROCKER RETAINER, BONDED TO VALVE COVER, CAME LOOSE ALLOWING ROCKER PIN TO SLIDE OUT. ROCKER JAMMED AND BY FORCE OF PUSHROD, BROKE ROCKER SHAFT HOUSING, PART OF CAST ALUMINUM
- [SDR 20001030SH011](https://openairdocs.org/sdr/20001030SH011.md): Cylinder · damaged · Sep 14, 2000 · N3643D · Piper PA60600 · Reciprocating Engine Cylinder Section
  > SWP - AIRCRAFT EN ROUTE DIVERTED TO STEWART, NY BECAUSE OF ROUGH RT ENGINE. MAINTENANCE FOUND ROCKER COVER PLATE OFF, ROCKER PIN BACKED OUT, AND PUSH ROD BENT. REMOVED AND REPAIRED CYLINDER ASSEMBLY. OPS CHECKED GOOD. (X)
- [SDR AU000680](https://openairdocs.org/sdr/AU000680.md): Brace · cracked · Sep 1, 2000 · Piper PA60600A · Landing Gear Retraction/Extension System
  > (AUS) LEFT MAIN LANDING GEAR LOWER SIDE BRACE CRACKED. FOUND DURING INSPECTION IAW TSA-SB600-134A. (X)
- [SDR AU000952](https://openairdocs.org/sdr/AU000952.md): Collar · wrong part · Aug 1, 2000 · Piper PA60600 · Landing Gear Steering System
  > (AUS) NOSE LANDING GEAR STEERING COLLAR FAILED AT ACTUATOR ATTACHMENT POINT. CONNECTING BOLT WAS INCORRECT PART. BOLT SHEARED. UNAPPROVED PART. (X)
- [SDR CA000809006](https://openairdocs.org/sdr/CA000809006.md): Transceiver · failed · Jul 24, 2000 · Piper PA60600 · VHF Communications System
  > (CAN) DURING FIRE FIGHTING OPERATIONS THE NUMBER 2 POSITION VHF TRANSCEIVER HAD FAILED. THE PILOT SMELLED SMOKE IN THE COCKPIT AND TURNED OFF THE RADIO. THE AIRCRAFT RETURNED TO YKA. THE SOURCE OF THE SMOKE WAS INVESTIGATED AND FOUND TO BE FROM THE NUMBER 2 VH
- [SDR CA000731015](https://openairdocs.org/sdr/CA000731015.md): Fitting · cracked · Jul 17, 2000 · Piper PA60600 · Vertical Stabilizer
  > (CAN) AN A INSPECTION WAS BEING ACCOMPLISHED ON THE AIRCRAFT. DURING THIS INSPECTION, A CRACK WAS FOUND ON THE AFT VERTICAL STABILIZER ATTACH FITTING. THE CRACK WAS CONFIRMED USING EDDY CURRENT INSPECTION METHOD. AFTER THE FITTING WAS REMOVED FROM THE STABI
- [SDR 20000530SH007](https://openairdocs.org/sdr/20000530SH007.md): Connecting Rod · failed · Apr 26, 2000 · N6896B · Piper PA60600 · Reciprocating Engine Power Section
  > BDL - RT ENGINE ROUGH, THEN PILOT SHUT ENGINE DOWN. FOUND NR 5 CYLINDER CONNECTING ROD FAILED. CAUSE UNKNOWN AT THIS TIME. REMOVED AND REPLACED ENGINE ASSY. (X)
- [SDR AU000343](https://openairdocs.org/sdr/AU000343.md): Fuel Tank · leaking · Apr 7, 2000 · Piper PA60600A · Fuel Storage
  > (AUS) FUEL TANKS LEAKING. FOUND FOLLOWING COMPLIANCE WITH AD/GEN/81.LEAKS WERE NOT PRESENT PRIOR TO INTRODUCTION OF WATER OR IPA.
- [SDR CA000327008](https://openairdocs.org/sdr/CA000327008.md): Drain Line · chafed · Mar 10, 2000 · Piper PA60600 · Reciprocating Engine Oil System
  > (CAN) BROKEN BAFFLE CAUSED WEAR IN CYLINDER OIL DRAIN.
- [SDR CA000209015](https://openairdocs.org/sdr/CA000209015.md): Stringer · loose · Jan 31, 2000 · Piper PA60600 · Wing, Longeron/Stringer
  > (CAN) SHEARED RIVET FOUND IN STRINGER ASSY. CAUSING FALSE GEAR INDICATION DUE TO FLEXING IN STRINGER. WHEN IN CONTACT WITH DOWNLOCK MICROSWITCH.
- [SDR 2000ZZZX576](https://openairdocs.org/sdr/2000ZZZX576.md): Cylinder · separated · Jan 7, 2000 · N6892R · Piper PA60600 · Reciprocating Engine Cylinder Section
  > BGM - RIGHT ENGINE, NR 2 CYLINDER, SEPARATED. SUBMITTER STATED CAUSE UNKNOWN AT THIS TIME. WILL REMOVE AND REPLACE ENGINE, FLUSH PROPELLER, AND PROPELLER GOVERNOR BEFORE FLIGHT.
- [SDR 2000ZZZX381](https://openairdocs.org/sdr/2000ZZZX381.md): Cylinder · damaged · Dec 12, 1999 · N3645T · Piper PA60600 · Reciprocating Engine Cylinder Section
  > ALB - LEFT ENGINE OIL PRESSURE, DROPPED TO REDLINE IN CRUISE AND OIL TEMP WENT TO REDLINE. REMOVED AND REPLACED NR 2 CYLINDER ASSY FOR BLOW-BYE AND LOW COMPRESSION.
- [SDR AU990692](https://openairdocs.org/sdr/AU990692.md): Fitting · cracked · Jul 13, 1999 · Piper PA60600A · Main Landing Gear Attach Section
  > (AUS) MAIN LANDING GEAR ATTACHMENT FITTINGS P/N 200017-1 AND P/N O200018-1 CRACKED THROUGH WEB SECTION.
- [SDR 99ZZZX3072](https://openairdocs.org/sdr/99ZZZX3072.md): Fuel Servo · malfunctioned · Jul 1, 1999 · N8073J · Piper PA60600 · Fuel Control/Reciprocating Engines
  > BOL - RT ENGINE SWAGING ON TAKEOFF. RETURNED TO BOL. REMOVED AND REPAIRED FUEL SERVO. OPS CHECKS GOOD.
- [SDR CA990318002](https://openairdocs.org/sdr/CA990318002.md): Fitting · cracked · Mar 3, 1999 · Piper PA60600 · Wing, Attach Fittings
  > (CAN) CRACK FOUND IN BOTH THE RIGHT HAND WING LOWER FRONT SPAR AND LOWER REAR SPAR WING TO FUSELAGE FITTING. CRACKS CAN BE SEEN FROM MAIN WHEELWELL. COMPANY PLANS TO X-RAY WINGS, CAPS WEBS, ETC., AND ALSO TO CHECK THE REST OF THEIR FLEET. AIRCRAFT USED SOM
- [SDR CA990224003](https://openairdocs.org/sdr/CA990224003.md): Tube · corroded · Feb 15, 1999 · Piper PA60600 · Aircraft Fuel Distribution System
  > (CAN) FUEL TRANSFER TUBE IN RIGHT HAND WING WHERE FUEL STRAINER ATTACHES FOUND TO HAVE DEEP CORROSION PITTING INSIDE TUBE. OPERATOR WILL DO FLEET CAMPAIGN.
- [SDR 99ZZZX511](https://openairdocs.org/sdr/99ZZZX511.md): Engine · failed · Jan 12, 1999 · N8073J · Piper PA60600 · Engine (Reciprocating)
  > LEFT ENGINE SHUT DOWN IN-FLIGHT. ICE FOUND IN INDUCTION AIR FILTER, ALTERNATE AIR, AND FUEL SERVO. INSPECTION OF RIGHT ENGINE FOUND SAME CONDITION. AIRCRAFT OPERATING IN SNOW CONDITIONS. SUBMITTER RECOMMENDED INSPECTION OF INDUCTION SYSTEM AFTER FLIGHT IN
- [SDR CA981230003](https://openairdocs.org/sdr/CA981230003.md): Fastener · failed · Nov 5, 1998 · Piper PA60600 · Fuselage Main, Structure
  > (CAN) ONE FASTENER IN THE FORWARD MAIN SPAR CAP UPPER SKIN FITTING WAS FOUND SHEARED. INITIAL ALERT WAS A PROTRUDING FASTENER. IT HAD FAILED APPROXIMATELY.3750 INCH BELOW THE HEAD.
- [SDR CA981006002](https://openairdocs.org/sdr/CA981006002.md): Rod · failed · Sep 25, 1998 · Piper PA60601 · Reciprocating Engine Power Section
  > (CAN) DURING CRUISE, THE PILOT NOTED THE NR 1 ENGINE WAS RUNNING ROUGH. THE ENGINE WAS SHUT DOWN AND THE AIRCRAFT RETURNED TO BASE. POST-FLIGHT INSPECTION REVEALED A HOLE IN THE ENGINE CASE, IT WAS ALSO NOTED THAT A CONNECTING ROD HAD FAILED. THE ENGINE WAS
- [SDR 98ZZZX3126](https://openairdocs.org/sdr/98ZZZX3126.md): Control Cable · malfunctioned · Aug 14, 1998 · N3645T · Piper PA60600 · Power Lever
  > PILOT REPORTED NO RESPONSE FROM RT THROTTLE CONTROL. SUSPECT RT THROTTLE CABLE. CAUSE NOT YET KNOWN.
- [SDR AU980384](https://openairdocs.org/sdr/AU980384.md): Shaft · cracked · Apr 4, 1998 · Piper PA60600 · Landing Gear Retraction/Extension System
  > (AUS) NOSE LANDING GEAR PIVOT SHAFT CRACKED. PART TC: 5,760.
- [SDR CA980416001](https://openairdocs.org/sdr/CA980416001.md): Bellcrank · broken · Apr 3, 1998 · Piper PA60600 · Landing Gear Door Retract Section
  > (CAN) DURING TEST FLIGHT WHEN THE LANDING GEAR WAS BEING CYCLED, NOTED THE RT MLG WAS NOT FULLY RETRACTED. A/C RETURNED TO BLOCKS. RT MLG DOOR BELLCRANK WAS BROKEN. REPLACED.
- [SDR AU980361](https://openairdocs.org/sdr/AU980361.md): Cam · incorrect fit · Apr 2, 1998 · Piper PA60600A · Landing Gear Steering System
  > (AUS) NOSE WHEEL CENTERING CAM INCORRECTLY INSTALLED PREVENTING CORRECT RETRACTION OF NOSE LANDING GEAR. PERSONNEL/MAINTENANCE ERROR.
- [SDR CA980317054](https://openairdocs.org/sdr/CA980317054.md): Bolt · sheared · Mar 9, 1998 · Piper PA60600 · Fuselage, Wing Attach Fittings
  > (CAN) THE PORT MAIN SPAR TO FUSELAGE FITTING ONE OF THE INBOARD JO-BOLTS FOUND SHEARED. FASTENER FOUND PROTRUDING APPROX.010 INCH.FASTENER SHEARED 3/8 INCH BELOW TOP OF FASTENER. BOTH INBOARD FASTENERS REPLACED.
- [SDR CA980303001](https://openairdocs.org/sdr/CA980303001.md): Fitting · sheared · Feb 24, 1998 · Piper PA60600 · Fuselage Main, Attach Fittings
  > (CAN) STBD MAIN SPAR-TO-FUSE FITTING 2 MOST INNER JO-BOLTS FASTENERS SHEARED 5/16INCH BELOW HEAD. REPLACED.
- [SDR CA971015056](https://openairdocs.org/sdr/CA971015056.md): Crankcase · cracked · Sep 25, 1997 · Piper PA60600 · Reciprocating Engine Power Section
  > (CAN) DURING NIGHT FLIGHT THE PILOT OBSERVED AN INCREASE IN E.G.T. ON THE NR1 ENGINE, SPARKS WERE SEEN COMING INTERMITTENTLY FROM THE EXHAUST. AIRCRAFT RETURNED TO BASE. THE FUSELAGE AND STABILIZER WERE COVERED WITH OIL. FURTHER INSPECTION FOUND THE ENGINE CRA
- [SDR 97ZZZX3073](https://openairdocs.org/sdr/97ZZZX3073.md): Mount · chafed through · Jun 18, 1997 · N6894G · Piper PA60600 · Engine Mount Section
  > LOWER MOTOR MOUNT 'V' AT MIDDLE ATTACH FITTING WAS FOUND CHAFED COMPLETELY THROUGH THE WALL OF TUBING (APPROXIMATELY 20 PERCENT OF DIAMETER OF TUBE) BY P/N 920029-01 FLEX DUCT. SUBMITTER STATED THIS PROBLEM IS REPEATEDLY SEEN ON ALL MODEL AEROSTAR. RECOMMEND
- [SDR CA970709004](https://openairdocs.org/sdr/CA970709004.md): Cable · broken · Jun 13, 1997 · Piper PA60600 · Mixture Control
  > (CAN) DURING INSPECTION, THE RIGHT HAND MIXTURE CONTROL CABLE WAS FOUND TO HAVE A BROKEN GUIDE TUBE JUST BEFORE THE ROD END AT THE FUEL INJECTOR. THE SWIVEL CRIMP HAD LET GO EXPOSING THE INNER CABLE AND ALLOWING IT TO COME OUT OF ITS GUIDE TUBE. CABLE REPLACE
- [SDR AU971120](https://openairdocs.org/sdr/AU971120.md): Door · separated · Jun 10, 1997 · Piper PA60600 · Engine Air Intake System
  > (AUS) ENGINE ALTERNATE AIR DOOR SEPARATED FROM INDUCTION AIR BOX ASSEMBLY AND JAMMED THE THROTTLE BUTTERFLY

Next page: https://openairdocs.org/engine/lycoming-io-540-k1j5/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 = 'IO540K1J5'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/lycoming-io-540-k1j5/reports

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