# Service difficulty reports: Lycoming TIO-540-AE2A

A list on [Lycoming TIO-540-AE2A](https://openairdocs.org/engine/lycoming-tio-540-ae2a.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 3 · 109 reports

- [SDR 2026FA0000805](https://openairdocs.org/sdr/2026FA0000805.md): Bolt · backed out · Oct 1, 2026 · N12345 · Piper PA46350P · Horizontal Stabilizer Structure
  > AFTER THE AIRPLANE WAS PUT AWAY, NOTICED THE LEFT ELEVATOR HINGE BOLT HAS BACKED OUT AND THE ELEVATOR WAS HANGING, DISCONNECTED FROM THE HORIZONTAL STABILIZER. IF THIS HAD HAPPENED IN FLIGHT, IT IS POSSIBLE THAT THE AIRPLANE WOULD HAVE BEEN UNCONTROLLABLE.
- [SDR FE6R202507220001](https://openairdocs.org/sdr/FE6R202507220001.md): Mount · chafed · Jun 24, 2025 · N344W · Piper PA12 · Engine Mount Section
  > DURING THE ANNUAL INSPECTION CHAFING ON THE LOWER LEFT PORTION OF THE ENGINE MOUNT WAS DISCOVERED. THE CHAFING APPEARED TO BE CAUSED BY THE DRAIN TUBE MOUNTED ON IT. NDT WAS CONSULTED AND DETERMINED THE CHAFE TO BE.046" AT ITS LOWEST WITH THE NOMINAL THICKNES
- [SDR 2022FA0000532](https://openairdocs.org/sdr/2022FA0000532.md): Pipe · deformed · Sep 20, 2022 · N595ST · Piper PA46350P · Engine Collector/Tailpipe/Nozzle
  > A 12 MONTH / 250 HOUR INSPECTION OF THE EXHAUST SYSTEM SLIP JOINTS AND MARMON CLAMPS, IS WAS NOTED THAT THE CROSSOVER EXHAUST TUBES COULD NOT BE SEPARATED. THE PIPES WERE ALSO DEFORMED. THIS IS A CRITICAL AREA OF THIS ENGINE INSTALLATION AND THIS INSPECTION I
- [SDR 2022FA0000291](https://openairdocs.org/sdr/2022FA0000291.md): Magneto · worn · Jun 15, 2022 · N417ST · Piper PA46350P · Magneto/Distributor
  > OPERATOR REPORTED DIFFICULTY STARTING THE AIRCRAFT. UPON CHECKING THE MAGNETO TO ENGINE TIMING, IT WAS FOUND THAT THE RETARD BREAKER POINTS WERE OPENING VERY LATE. REMOVED MAGNETO, DISASSEMBLED AND INSPECTED. THE CAM FOR POINTS WAS FOUND TO BE SEVERELY WORN. M
- [SDR 2022FA0000266](https://openairdocs.org/sdr/2022FA0000266.md): Ignition Sys · defective · May 22, 2022 · N463HP · Piper PA46350P · Ignition System
  > INSTALLED ELECTROAIR ELECTRONIC IGNITION 61000-5M TO REPLACE LH MAGNETO ON PIPER MIRAGE WITH LYCOMING TIO-540-AE2A ENGINE IN NOV 2018 PER STC FOR TURBOCHARGED LYCOMING ENGINES. EXPERIENCED SIGNIFICANT INTERMITTENT MISFIRING AT HIGH MANIFOLD PRESSURES, 37-42" O
- [SDR 2022FA0000250](https://openairdocs.org/sdr/2022FA0000250.md): Bolt · broken · Feb 1, 2022 · N35CM · Piper PA46350P · Nose/Tail Landing Gear
  > AIRCRAFT N35CM LANDED AT CRYSTAL RIVER AIRPORT ON A GRASS RUNWAY. THE PILOT STATED THAT WHEN THE AIRCRAFT WAS ALMOST TO S STOP AT APPROXIMATELY 10 KNOTS THE NOSE LANDING GEAR COLLAPSED. THE PERSONNEL FROM THE AIRPORT THAT HELPED MOVED THE AIRCRAFT FROM THE RUN
- [SDR 2021FA0000276](https://openairdocs.org/sdr/2021FA0000276.md): Crankcase · cracked · Oct 2, 2021 · N661M · Piper PA46350P · Powerplant System
  > A PERSISTENT ENGINE OIL LEAK WAS TRACED TO THE RIGHT HAND SIDE OF THE ENGINE CRANKCASE IN FRONT AND BELOW THE VALVE ROCKER BOX COVER AN DRAIN FITTING.
- [SDR FE6R20201009001](https://openairdocs.org/sdr/FE6R20201009001.md): Transducer · malfunctioned · Sep 25, 2020 · N754WA · Piper PA46350P · Engine Indicating System
  > THE OPERATOR OF THE THIS AIRCRAFT HAS REPORTED LOW MANIFOLD PRESSURE AND ASKED US TO LOOK INTO IT. WHILE PERFORMING THE BASIC AND DETAILED FUNCTION TESTS OF THE MANIFOLD PRESSURE TRANSDUCER, REF AMM 77-10-00, (3)(A) AND (B). IT WAS DETERMINED THE COMPONENT CO
- [SDR LF1RAUG26580MM](https://openairdocs.org/sdr/LF1RAUG26580MM.md): Turbocharger · worn · Aug 26, 2020 · N580MM · Piper PA46R350T · Exhaust Turbocharger
  > DURING THE ANNUAL INSPECTION, IT WAS NOTED THAT THE RT TURBOCHARGER HAD A LOOSE TURBINE HOUSING. THE TURBINE HOUSING EXHIBITED SIGNIFICANT PLAY WHERE IT MEETS THE CENTER BEARING HOUSING. IT APPEARS THAT THIS HAD BEEN GOING ON FOR SOME TIME. THE TURBINE HOUS
- [SDR V94R20200309001](https://openairdocs.org/sdr/V94R20200309001.md): Tire · defective · Mar 2, 2020 · N2304D · Piper PA46R350T · Tire
  > TIRE LOST AIR PRESSURE IN RUN-UP AREA, FOUND TIRE INTERIOR TO HAVE A DEFECT THAT CONTINUED TO CAUSE INNER TUBES TO SLOW LEAK. REPLACED TIER AND TUBE.
- [SDR 2019FA0000173](https://openairdocs.org/sdr/2019FA0000173.md): Gasket · improper part · Jun 4, 2019 · N929RR · Piper PA46350P · Exhaust Turbocharger
  > DISCOVERED DURING MAINTENANCE, TCM CONTINENTAL TURBO FLANGE GASKETS, P/N: 636465, INSTALLED ON THIS LYCOMING ENGINE. THE GASKETS WERE NOT IN FULL CONTACT WITH THE MATING SURFACES OF THE TURBOCHARGER TURBINE INLET, AND THE EXHAUST COLLECTOR FLANGE, WHICH ALLOWE
- [SDR 2018FA0000204](https://openairdocs.org/sdr/2018FA0000204.md): Screw · failed · Jul 22, 2018 · N325MR · Piper PA46350P · Propeller System
  > 10 HOURS AFTER ENGINE OVERHAUL THE SET SCREW FAILED TO HOLD THE PROP GOVERNOR IDLER GEAR SHAFT CAUSING THE SHAFT ITSELF TO TURN. THE ALUMINUM THREADING OF THE EXTERNAL PLUG ALSO FAILED ALLOWING THE EXTERNAL PLUG TO BE FORCED OUT BREAKING THE SAFETY WIRE AND C
- [SDR HPFR2016FA0000281](https://openairdocs.org/sdr/HPFR2016FA0000281.md): Turbocharger · failed · May 5, 2016 · N218MW · Piper PA46350P · Exhaust Turbocharger
  > PILOT REPORTED LOSS OF POWER, FOLLOWED BY PRESSURIZATION LOSS. DURING CLIMB, ENGINE KEPT RUNNING WELL, BUT POWER WAS LIMITED TO 19" HG INSTEAD OF 35" HG- PRIOR TO EVENT. DISCOVERED TURBINE ON RT TURBOCHARGER HAD SEIZED. ENGINE HAS BEEN OPERATED AND MAINTAIN
- [SDR 2015FA0000644](https://openairdocs.org/sdr/2015FA0000644.md): Mount · cracked · Dec 11, 2015 · N4188A · Piper PA46350P · Engine Mount Section
  > ENGINE MOUNT WAS AT A NEAR FAILURE STATE WHEN INSPECTED DURING NORMAL ANNUAL.
- [SDR CA150525004](https://openairdocs.org/sdr/CA150525004.md): Engine · failed · May 7, 2015 · Piper PA46350P · Engine (Turbine/Turboprop)
  > (CAN) UNCONFIRMED REPORTS SUGGEST THE ACFT WAS ATTEMPTING AN EMERGENCY LANDING AFTER THE PILOT HAD REPORTED THE ACFT WAS SUFFERING ENGINE PROBLEMS. THE ACFT CAME DOWN IN A RIVER A SHORT TIME LATER AND WAS SUBMERGED.
- [SDR LC1R20150414920](https://openairdocs.org/sdr/LC1R20150414920.md): Circuit Board · damaged · Apr 14, 2015 · N920X · Piper PA46R350T · Landing Gear Retraction/Extension System
  > WHEN SETTING UP FOR A LANDING APPROACH, THE PILOT NOTED THAT THE LG CB HAD POPPED & FURTHER NOTED THAT THERE WERE NO GREEN DOWN LIGHTS ILLUMINATED. THE PILOT PERFORMED AN EMER GEAR EXTENSION & DID A TOWER FLY BY TO VERIFY THE GEAR APPEARED TO BE DOWN. THE LA
- [SDR CA150508003](https://openairdocs.org/sdr/CA150508003.md): Mount · broken · Mar 27, 2015 · Piper PA46R350T · Engine Mount Section
  > (CAN) IT WAS NOTED WHEN APPROACHING THE AIRCRAFT IN ITS HANGAR PARKING SPOT. THE NOSE LANDING GEAR TRUNNION AND STRUT ASSEMBLY HAD A AFT FACING RAKE ANGLE (LESS THAN 90 DEGREES) AS NOTED FROM A DISTANCE. INVESTIGATION FOUND THE NOSE LANDING GEAR ACTUATOR RIGHT
- [SDR HX1R2015033100001](https://openairdocs.org/sdr/HX1R2015033100001.md): Exhaust Pipe · damaged · Feb 17, 2015 · N47ER · Piper PA46350P · Engine Collector/Tailpipe/Nozzle
  > DURING ANNUAL INSPECTION, CYLINDER NR 6 EXHAUST TRANSITION PIPE APPEARED TO BE STARTING TO BLISTER ON OUTSIDE, PHOTOS NR 3 & NR 4. TRANSITION PIPE WAS REMOVED TO INSPECT THE INSIDE OF THE PIPE, PHOTOS NR 1 & NR 2, DIRECTLY OPPOSITE OF THE BLISTERING ON THE O
- [SDR 6GTA2015FA0000002](https://openairdocs.org/sdr/6GTA2015FA0000002.md): Cylinder · separated · Dec 30, 2014 · N2304D · Piper PA46R350T · Reciprocating Engine Cylinder Section
  > NR 2 CYLINDER SEPARATED FROM CRANKCASE AT THE MOUNTING BOLTS. ENGINE CONTINUED RUNNING AND SUBSEQUENT SHAKING BROKE EXHAUST MANIFOLD ON LT SIDE BETWEEN CYLINDERS AND TURBOCHARGER. NO HEAT DAMAGE TO SURROUNDING COMPONENTS NOTED PROBABLY BECAUSE AIRCRAFT WAS M
- [SDR C41R201407310001](https://openairdocs.org/sdr/C41R201407310001.md): Rod End · loose · Jul 31, 2014 · N711ST · Piper PA46R350T · Rudder Tab Control System
  > ACFT WAS UNDERGOING AN ANNUAL INSPECTION. ON COMPLETING A FLIGHT CONTROL SYSTEM CHECK AND DISCOVERED THE RUDDER TRIM SYSTEM DID NOT FEEL AND FUNCTION AS NORMAL. AFTER FURTHER INVESTIGATION THE RUDDER TRIM WHEEL ACTUATOR ROD AND JAM NUT ASSY WERE FOUND LOOSE
- [SDR C41R201405280001](https://openairdocs.org/sdr/C41R201405280001.md): Crossover Tube · cracked · May 27, 2014 · N24HN · Piper PA46350P · Rudder Control System
  > FOUND PILOT'S RUDDER PEDAL CROSSOVER TUBE CRACKED AT WELD. MFG CONTACTED AND NOTIFIED OF SITUATION AND PROVIDED PHOTOS. POSSIBLE DUE TO INCORRECT WELD PROCESS. R & R RUDDER BAR, PN:82810-009. OPERATIONS CHECKED NORMAL AFTER PERFORMED MAINTENANCE.
- [SDR 2014FA0000323](https://openairdocs.org/sdr/2014FA0000323.md): Mount · broken · Apr 11, 2014 · N1972M · Piper PA46350P · Master Cylinder/Brake Valve
  > THE NLG DID NOT FULLY EXTEND AND CENTER DURING DOWN EXTENSION. ENGINE MOUNT IS BROKEN IN THE AREA, TO BE INSPECTED.. THE ENGINE MOUNT HAS AN INITIAL INSPECTION UPON REACHING 740 HRS TIS. THIS ACFT HAD 491 HRS AT THE JANUARY 2014 ANNUAL INSPECTION. THE ACFT
- [SDR 2014FA0000241](https://openairdocs.org/sdr/2014FA0000241.md): Horn · misinstalled · Apr 7, 2014 · N641D · Piper PA46350P · Elevator Structure
  > DURING AN ANNUAL INSPECTION, MECHANIC NOTICED LATERAL PLAY IN THE ELEVATOR CONTROL HORN. ELEVATOR CONTROL HORN REMOVED AND FURTHER INSPECTION SHOWED THAT THE HOLES IN THE HORN HAD BEEN TOO LARGE FOR THE.1250" RIVETS USED DURING INSTALLATION.
- [SDR 2014FA0000242](https://openairdocs.org/sdr/2014FA0000242.md): Horn · misinstalled · Apr 7, 2014 · N411MD · Piper PA46350P · Elevator Structure
  > DURING AN ANNUAL INSPECTION, MECHANIC NOTICED LATERAL PLAY IN THE ELEVATOR CONTROL HORN. ELEVATOR CONTROL HORN WAS REMOVED AND FURTHER INSPECTION SHOWED THAT THE HOLES IN THE HORN HAD BEEN TOO LARGE FOR THE.1250" RIVETS USED DURING INSTALLATION.
- [SDR K5SR201404042365](https://openairdocs.org/sdr/K5SR201404042365.md): Magneto · failed · Mar 25, 2014 · N2365S · Piper PA46350P · Magneto/Distributor
  > AT CRUISE POWER, ENGINE RAN ROUGH AND MISSED. RETURN TO DEPARTURE AND FOUND RT MAGNETO TO BE THE PROBLEM. MAGNETO WAS INSTALLED NEW IN THE ACFT ON 01/28/2014. TOTAL TIME ON MAGNETO WAS 26.0 HOURS UNTIL FAILURE. INSTALLED NEW MAGNETO, CHECKED SATISFACTORY.
- [SDR C41R201402170001](https://openairdocs.org/sdr/C41R201402170001.md): Coupling · loose · Feb 24, 2014 · N192ST · Piper PA46R350T · Reciprocating Engine Oil System
  > AFTER FLIGHT, PILOT NOTICED OIL DRIPPING FROM ENGINE ASSEMBLY. AFTER FURTHER INVESTIGATION, OIL PRESSURE SWITCH SENDING UNIT LINE WAS FOUND INSTALLED FINGER TIGHT. REMOVED LINE AND EXAMINED FITTING AND LINE, REINSTALLED THE LINE AND COMPLETED ENGINE RUN PRO
- [SDR 2014FA0000237](https://openairdocs.org/sdr/2014FA0000237.md): Piston Ring · broken · Nov 6, 2013 · N463HP · Piper PA46350P · Reciprocating Engine Power Section
  > DURING IFR FLIGHT, VMC ON TOP, IMC BELOW, NORMAL CRUISE, EXPERIENCED DECLINING AND FLUCTUATING OIL PRESSURE ABOUT TWO HOURS AFTER TAKEOFF. NORMAL CRUISE OP IS APPROX 80 PSI. FLUCTUATIONS WENT AS LOW AS 40. LANDED ABOUT 40 MINUTES LATER. POST FLIGHT INSPECTI
- [SDR C41R201307160001](https://openairdocs.org/sdr/C41R201307160001.md): Timer · failed · Jul 12, 2013 · N581RV · Piper PA46350P · Airfoil Anti/De-ice System
  > OWNER REPORTED INOPERATIVE WING DE-ICE BOOTS. FOUND LOWER VACUUM PUMP COUPLING SHEARED AND BOTH DEICE SOLENOID VALVES SEIZED IN CLOSED POSITION. DURING RUN UP PROCEDURES, SYS FUNCTIONAL CHECKED GOOD BUT CAWS SYS SHOWED FAILED. ON FURTHER TROUBLESHOOTING DET
- [SDR CA130425003](https://openairdocs.org/sdr/CA130425003.md): Mount · cracked · Apr 25, 2013 · Piper PA46350P · Engine Mount Section
  > (CAN) COMPLETING SB1103D, FOUND CRACK IN NOSE GEAR ACTUATOR MOUNT OF ENGINE MOUNT.
- [SDR CA130318026](https://openairdocs.org/sdr/CA130318026.md): Display · intermittent · Mar 18, 2013 · Piper PA46R350T · Central Display
  > (CAN) PILOT REPORTS ON APPROACH, MULTI FUNCTION DISPLAY, MFD, FAILED WHEN PILOT CHANGED NAVIGATION MAP RANGE TO ZOOM IN ON ZONE. UNIT FROZE ON SCREEN AND REQUIRED CIRCUIT BREAKER TO BE PULLED AND RESET. UNIT REBOOT OF APPROXIMATELY 4 MINUTES WHILE IN FLIGHT.
- [SDR CA130425004](https://openairdocs.org/sdr/CA130425004.md): Landing Gear · misinstalled · Mar 6, 2013 · Piper PA46350P · Landing Gear System
  > (CAN) - A/C LANDED WITH NOSE WHEEL STEERING HORN ASSY JAMMED IN ENGINE MOUNT TUBE CAUSING AIRCRAFT TO DEPART RUNWAY. IMPACT WITH SNOW BANK CAUSED FURTHER NOSE GEAR COLLAPSE AND OVERLOAD FAILURE OF THE NOSE GEAR ACTUATOR/ENGINE MOUNT INTERFACE. SUSPECT AIRCRAF
- [SDR 2012FA0000646](https://openairdocs.org/sdr/2012FA0000646.md): Probe · split · Sep 26, 2012 · N41484 · Piper PA46350P · Engine EGT/TIT Indicating System
  > WHILE TROUBLESHOOTING NO T.I.T. INDICATION, THE T.I.T. PROBE WAS FOUND SPLIT OPEN AT THE END. PROBE, WAS REPLACED 6 MONTHS AND 21 HOURS AGO TO COMPLY WITH AD 2011-06-10.
- [SDR 2012FA0000480](https://openairdocs.org/sdr/2012FA0000480.md): Landing Gear · failed · Jun 4, 2012 · N488EA · Piper PA46R350T · Nose/Tail Landing Gear
  > SB 1103D WAS 212 HOURS OVERDUE WHEN THE NOSE GEAR COLLAPSED AFTER LANDING CAUSING SUBSTAINTIAL DAMAGE TO THE AIRCRAFT.
- [SDR 2012FA0000318](https://openairdocs.org/sdr/2012FA0000318.md): Pump · leaking · Apr 17, 2012 · N380KC · Piper PA46350P · Engine Fuel Pump
  > DURING AN ANNUAL INSPECTION, THE ENGINE DRIVEN FUEL PUMP WAS FOUND TO BE LEAKING FUEL FROM THE RELIEF VALVE GASKET. FUEL WAS ALSO FOUND IN THE UPPER DECK PRESSURE LINES AT THE PUMP. SB REFERENCES THE EXACT SAME PROBLEM AND INCLUDES THE MODEL NR OF THIS PUMP
- [SDR 2012FA0000119](https://openairdocs.org/sdr/2012FA0000119.md): Bearing · failed · Feb 6, 2012 · N1052V · Piper PA46350P · DC Generator-Alternator
  > THE BEARINGS IN THE ALTERNATOR FAILED CAUSING THE ALTERNATOR TO BE EXCESSIVELY NOISY. THE ALTERNATOR WILL BE SENT BACK TO MFG FOR TEARDOWN AND FURTHER EVALUATION. (STC-00541SE PROVIDED)
- [SDR 2011FA0000680](https://openairdocs.org/sdr/2011FA0000680.md): Baffle · damaged · Aug 25, 2011 · N2413A · Piper PA46350P · Reciprocating Engine Oil System
  > OIL BAFFLE HAD 1 RIVET HEAD MISSING, NOTED THAT AROUND 3 OF THE 6 ATTACHING HOLES THAT CIRCULAR CRACKS WERE EMINATING FROM UNDER WASHER.
- [SDR CA110412005](https://openairdocs.org/sdr/CA110412005.md): Hub · cracked · Apr 5, 2011 · Piper PA46350P · Propeller Hub Section
  > (CAN) PROPELLER RECEIVED FOR O/H. DURING LIQUID PENETRANT INSPECTION CRACK INDICATIONS WERE FOUND IN 2 OF THE HUB ARMS. THE HUB WAS SENT OUT FOR EDDY CURRENT INSPECTION WHICH CONFIRMED THE FINDINGS. THE MFG WAS CONSULTED AND IT IS THEIR OPINION THAT THE DEF
- [SDR 2011FA0000192](https://openairdocs.org/sdr/2011FA0000192.md): Turbine Wheel · worn · Mar 22, 2011 · N229MM · Piper PA46R350T · Exhaust Turbocharger
  > TURBOCHARGER WOULD NOT OBTAIN MANIFOLD PRESSURE AT CRITICAL ALTITUDE. TURBOCHARGER EXHIBITS NOTICEABLE RADIAL PLAY AND DRAGGING. THE COMPRESSOR OIL SEAL APPEARS TO BE DEFECTIVE. OIL IS BYPASSING THE SEAL BEING FORCED INTO ENGINE INDUCTION SYS. TURBINE WHEE
- [SDR 2011FA0000080](https://openairdocs.org/sdr/2011FA0000080.md): Probe · mismanufactured · Jan 25, 2011 · N9267Q · Piper PA46350P · Engine Oil Temperature
  > NEW INSTALLATION OF EDM-930 DIGITAL ENGINE MONITOR AS PRIMARY REPLACEMENT OF ALL FACTORY INSTALLED ENGINE INSTRUMENTATION IAW STC SA01435SE. FOUND NEW PN 400509 OIL TEMP PROBE SUPPLIED WITH KIT WILL NOT FIT ORIGINAL FACTORY OIL TEMP PROBE LOCATION ON ENGINE R
- [SDR 2010FA0001267](https://openairdocs.org/sdr/2010FA0001267.md): Clamp · cracked · Dec 29, 2010 · N427AB · Piper PA46350P · Exhaust Turbocharger
  > UPON VISUAL INSPECTION OF THE EXHAUST SYS, DURING THE ANNUAL INSP, IT WAS FOUND THE THE UPPER V-BAND CLAMP LOCATED ON THE TURBOCHARGER WASTEGATE HAD CRACKED AND WAS SEPARATING. UPON REMOVAL OF THE CLAMP IT WAS FOUND THAT THE GASKET (PN 75845) HAD BLOWN OUT AN
- [SDR 2010FA0000233](https://openairdocs.org/sdr/2010FA0000233.md): Magneto · seized · Mar 17, 2010 · N186ST · Piper PA46R350T · Magneto/Distributor
  > DURING A POST MX RUNUP, THE ENG/ PROP CEASED TO ROTATE. THIS OCCURRED AT OR NEAR THE ENGINE IDLE SPEED SETTING (APPROX 850 RPM). INSPECTED ENG AND FOUND THE LT MAGNETO DISLODGED SLIGHTLY FROM ITS DRIVE PAD. REMOVED THE LT MAGNETO AND FOUND THE DRIVE ADAPTER
- [SDR 2010FA0000238](https://openairdocs.org/sdr/2010FA0000238.md): Transducer · intermittent · Feb 19, 2010 · N380KC · Piper PA46350P · Stall Warning System
  > STALL WARNING FAILS INTERMITTENT. UNIT WAS REMOVED AND SENT FOR REPAIR. UNIT WAS REINSTALLED AND FAILED ON FIRST FLIGHT. UNIT SHOWS SIGNS OF PREVIOUS REPAIR BUT NO LOG ENTRY WAS MADE.
- [SDR 2010FA0000239](https://openairdocs.org/sdr/2010FA0000239.md): Computer · intermittent · Feb 19, 2010 · N380KC · Piper PA46350P · Stall Warning System
  > STALL WARNING FAILS INTERMITTENT. UNIT WAS REMOVED AND SENT FOR REPAIR. UNIT WAS REINSTALLED AND FAILED ON FIRST FLIGHT. UNIT SHOWS SIGNS OF PREVIOUS REPAIR BUT NO LOG ENTRY WAS MADE.
- [SDR 2010FA0000177](https://openairdocs.org/sdr/2010FA0000177.md): Bracket · broken · Feb 5, 2010 · N92835 · Piper PA46350P · Exhaust Turbocharger
  > DURING AN ANNUAL INSP, THE LT TURBO MOUNTING BRACKET (PN 07A19870) WAS FOUND BROKEN IN 2 PLACES. THE CAUSE WAS PROBABLY A COMBINATION OF HEAT AND VIBRATION.
- [SDR 2009FA0000627](https://openairdocs.org/sdr/2009FA0000627.md): Starter · failed · Jul 14, 2009 · N463KC · Piper PA46350P · Engine Starter
  > THE STARTER (P/N 149-NL) FAILED TO OPERATE. UPON INSPECTION FOUND THE MOTOR ASSY IS TWISTED ON THE FWD FRAME OF THE STARTER ASSY. THIS IS THE 4TH STARTER REPLACED SINCE APRIL 2009 ON THIS ACFT FOR THE SAME PROBLEM. THERE IS ONLY ONE PILOT FOR THIS AIRPLANE
- [SDR 2009FA0000588](https://openairdocs.org/sdr/2009FA0000588.md): Starter · failed · Jun 29, 2009 · N463KC · Piper PA46350P · Engine Starter
  > A NEW STARTER WAS INSTALLED AND AFTER JUST A FEW FLIGHTS THE STARTER FAILED TO OPERATE. AFTER REMOVAL OF THE STARTER, FOUND THE REAR HSG OF THE STARTER (WHICH CONTAINS THE MOTOR) HAD TWISTED IN RELATION TO THE FRONT HALF OF THE STARTER. THIS TWISTING ALSO CA
- [SDR CA080911001](https://openairdocs.org/sdr/CA080911001.md): Shroud · loose · Sep 8, 2008 · Piper PA46350P · Exhaust Turbocharger
  > (CAN) THE LWR AIRPUMP COOLING SHROUD ASSY, ALTHOUGH NOT LOOSE TO THE TOUCH, WAS ABLE TO ROTATE WITH A LIGHT TO MODERATE PUSH. THIS ROTATION ALLOWED THE AIR INLET DUCT AND CLAMP TO CONTACT THE LINKAGE ON THE TURBO CONTROLLER. THE SHROUD ROTATION OCCURRED DURI
- [SDR 2008FA0000292](https://openairdocs.org/sdr/2008FA0000292.md): Cam · worn · Apr 23, 2008 · N855P · Piper PA46350P · Magneto/Distributor
  > BREAKER CAM WORN BEYOND SERVICEABLE LIMITS, 49.9 HOURS SINCE NEW. TIMING HAD CHANGED CONSIDERABLY AND AIRCRAFT DIFFICULT TO START.
- [SDR 2008FA0000293](https://openairdocs.org/sdr/2008FA0000293.md): Cam · worn · Apr 23, 2008 · N855P · Piper PA46R350T · Magneto/Distributor
  > BREAKER CAM WORN BEYOND SERVICEABLE LIMITS, 49.9 HOURS SINCE NEW. TIMING HAD CHANGED CONSIDERABLY AND AIRCRAFT DIFFICULT TO START.
- [SDR 2008FA0000294](https://openairdocs.org/sdr/2008FA0000294.md): Cam · worn · Apr 23, 2008 · N855P · Piper PA46R350T · Magneto/Distributor
  > BREAKER CAM WORN BEYOND SERVICEABLE LIMITS, 49.9 HOURS SINCE NEW. TIMING HAD CHANGED CONSIDERABLY AND AIRCRAFT DIFFICULT TO START.

Next page: https://openairdocs.org/engine/lycoming-tio-540-ae2a/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 = 'TIO540AE2A'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/lycoming-tio-540-ae2a/reports

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