# Service difficulty reports: Lycoming TIO-540-A2B

A list on [Lycoming TIO-540-A2B](https://openairdocs.org/engine/lycoming-tio-540-a2b.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 4 · 181 reports

- [SDR 5JGA2018072310001](https://openairdocs.org/sdr/5JGA2018072310001.md): Fuel Line · failed · Jul 23, 2018 · N9287Y · Piper PA31310 · Engine Fuel Distribution
  > NR 2 CYLINDER FUEL INJECTOR LINE FAILED.
- [SDR CA151222005](https://openairdocs.org/sdr/CA151222005.md): Gear · broken · Dec 21, 2015 · Piper PA31 · Magneto/Distributor
  > (CAN) ENGINE SURGED IN FLIGHT, CONTINUED TO DESTINATION. BOTH GEARS IN LT ENGINE, LT MAGNETO FOUND MISSING AND BROKEN TEETH. DISTRIBUTOR BLOCK AND GEAR ASSY PART K3823 FUNCTION CHECK ON GROUND, OK LATER FUNCTION CHECK ON GROUND, FAILED.
- [SDR CA141015003](https://openairdocs.org/sdr/CA141015003.md): Motor · malfunctioned · Oct 4, 2014 · Piper PA31 · Trailing Edge Flap Control System
  > (CAN) MOTOR WAS IDENTIFIED AND CERTIFIED AS PN 1202-00-1 SN 4556,, FAILED SHORTLY AFTER INSTALLATION. MOTOR MAY HAVE BEEN SETUP AT OVERHAUL AS A 12 VOLT UNIT PN 1202-20-1, BOTH PART NUMBERS WERE INDICATED ON UNIT? MOTOR FAILED AFTER APPROXIMATELY 45 COMPLETE
- [SDR CA140811006](https://openairdocs.org/sdr/CA140811006.md): Torque Link · broken · Aug 1, 2014 · Piper PA31 · Main Landing Gear
  > (CAN) TOP REAR ATTACH POINT ON TORQUE LINK BROKE ON LANDING.
- [SDR CA140703003](https://openairdocs.org/sdr/CA140703003.md): Magneto · malfunctioned · Jul 1, 2014 · Piper PA31 · Magneto/Distributor
  > (CAN) ENGINE RUN-UP PRIOR TO FLIGHT WAS NORMAL. IN CLIMBOUT, LT ENGINE BEGAN SURGING. PILOT RETURNED TO BASE. ENGINE RUN-UP CARRIED OUT BY AMO INITIALLY SHOWED NORMAL. FURTHER TESTING AT HIGH POWER SHOWED SURGING. PROBLEM TRACED TO MAGNETO.
- [SDR CA140124027](https://openairdocs.org/sdr/CA140124027.md): Stud · broken · Jan 23, 2014 · Piper PA31 · Reciprocating Engine Cylinder Section
  > (CAN) THE NR 3 CYLINDER HOLD DOWN STUD AT 8 O`CLOCK POSITION WAS OBSERVED SHEARED OF AT THE BASE OF THE NUT DURING ROUTINE INSPECTION. ASSUMED MFG. PART REPLACEMENT OR ON CONDITION AT O/H IS UNKNOWN. APPROXIMATELY ENGINE TIME IS 1500 HOUR SINCE O/H.
- [SDR CA130528006](https://openairdocs.org/sdr/CA130528006.md): Spar · cracked · May 16, 2013 · Piper PA31 · Wing Spar
  > (CAN) SEVERAL SMALL CRACKS (<1/2") AND ONE LARGE (1.5" APPROX) CRACK FOUND IN MAIN SPAR WEB. CRACKS ORIGINATE FROM RIVETS IN SPAR WEB AND SOME EXTEND TO BEHIND LOWER SPAR CAP. TWO BOLTS IN SPAR WEB JOINT FOUND SHEARED. AIRCRAFT REMOVED FROM SERVICE. OTHER AI
- [SDR CA130311022](https://openairdocs.org/sdr/CA130311022.md): Downlock Switch · unknown · Mar 7, 2013 · Piper PA31 · Landing Gear Retraction/Extension System
  > (CAN) ON SELECTING GEAR DOWN FOR LANDING, LT MAIN GEAR DOWN SAFE GREEN LIGHT DID NOT ILLUMINATE. CONFIRMED LAMP OK. CYCLED GEAR, SAME RESULT. ON LANDING, LIGHT ILLUMINATED. INSPECTED, NO FAULT FOUND. SUSPECT DOWN LOCK SWITCH. SWITCHES REPLACED, BOTH SIDES.
- [SDR CA130108003](https://openairdocs.org/sdr/CA130108003.md): Bolt · sheared · Jan 5, 2013 · Piper PA31 · Landing Gear Retraction/Extension System
  > (CAN) LEFT MAIN GEAR SHIMMY FELT WHILE TAXIING, ACFT RETURNED TO RAMP AND FOUND THE LOWER BOLT ON TORQUE LINK ATTACH SHEARED, NO OTHER DAMAGE FOUND, GEAR INSPECTED FOR POSSIBLE SIDE LOADS, NO PROBLEMS FOUND.GEAR CYCLE FUNCTION TEST GOOD, TAXI TEST NO PROBLEMS
- [SDR CA121211009](https://openairdocs.org/sdr/CA121211009.md): Control Cable · frayed · Dec 4, 2012 · Piper PA31 · Elevator Control System
  > (CAN) FWD ELEVATOR TRIM CABLE FRAYED SEVERAL PLACES AT TRIM SERVO PULLEY.
- [SDR CA120719008](https://openairdocs.org/sdr/CA120719008.md): Rod End · failed · Jun 21, 2012 · Piper PA31 · Nose/Tail Landing Gear
  > (CAN) NLG COLLAPSED DURING ROLLOUT AFTER LANDING. NO INDICATION OF PROBLEM UNTIL AFTER TOUCHDOWN. ROD ASSEMBLY, LANDING GEAR LOCK, NOSE, PN 41949-00, WAS FOUND FRACTURED AT ROD END. TSB ASSESSED CONDITION AS "CONSISTENT WITH FAILURE IN OVERLOAD". UNABLE TO
- [SDR CA120306004](https://openairdocs.org/sdr/CA120306004.md): Linkage · broken · Feb 25, 2012 · Piper PA31310 · Exhaust Turbocharger
  > (CAN) THE LINKAGE BETWEEN THE WASTE GATE AND THE WASTE GATE CONTROLLER BROKE AT THE CONTROLLER END, ON TAKEOFF, CAUSING AN OVERBOOST IN MANIFOLD PREASURE.
- [SDR CTYA2011FA0000686](https://openairdocs.org/sdr/CTYA2011FA0000686.md): Line · loose · Oct 16, 2011 · N42CF · Piper PA31310 · Aircraft Fuel Distribution System
  > ON DECENT PILOT NOTED LOW FUEL PRESSURE, SELECTED BOOST PUMP ON, FUEL QUANTITY INDICATOR LOW ENGINE CEASED TO RUN, FEATHERED AND SECURED ENGINE.
- [SDR CA110818005](https://openairdocs.org/sdr/CA110818005.md): Cylinder · failed · Aug 15, 2011 · Piper PA31 · Reciprocating Engine Cylinder Section
  > (CAN) AT APPROX 2115 UTC ON 15 AUG 11, IN CRUISE FLIGHT, ENROUTE, EXPERIENCED DROP IN MANIFOLD PRESSURE ON LT ENGINE, FOLLOWED BY VIBRATION. PILOT FEATHERED PROP, SECURED ENGINE, DECLARED EMERGENCY, DIVERTED, AND LANDED WITHOUT FURTHER INCIDENT. SUBSEQUENT I
- [SDR CA110606016](https://openairdocs.org/sdr/CA110606016.md): Bushing · worn · Jun 1, 2011 · Piper PA31 · Magneto/Distributor
  > RT ENGINE, CAN`T RESTART ENGINE ON GROUND. LT MAGNETO REMOVED, INSPECTED AND FOUND BUSHING WORN OUT ON GEAR. SENT TO O/H.
- [SDR CA101007010](https://openairdocs.org/sdr/CA101007010.md): Magneto · intermittent · Oct 4, 2010 · Piper PA31 · Magneto/Distributor
  > INTERMITTENT IGNITION FAILURE AT CRUISE POWER SETTING, CAUSING PARTIAL LOSS OF POWER AND OVERHEAT.
- [SDR CA100708003](https://openairdocs.org/sdr/CA100708003.md): Uplock Hook · out of adjust · Jul 5, 2010 · Piper PA31 · Landing Gear Retraction/Extension System
  > AIRCRAFT RETURNED TO HANGER AFTER HAVING THE IN TRANSIT LIGHT ON WHEN THE GEAR WAS SELECTED UP. AIRCRAFT WAS JACKED AND GEAR SWING CARRIED OUT IAW TABLE VII-1 OF PIPER MAINTENANCE MANUAL AND TROUBLE SHOOTING. FIRST GEAR SWING EVERYTHING WORKED AS PER NORMAL,
- [SDR CA100617008](https://openairdocs.org/sdr/CA100617008.md): Trunnion · cracked · Jun 11, 2010 · Piper PA31 · Fuselage, Landing Gear Attach Fittings
  > THE NLG OLEO HAD A SMALL FLUID LEAK THUS THE OLEO WAS GETTING NEW O-RINGS INSTALLED AND BEING SERVICED. DURING THE PROCESS, A CRACK WAS NOTICED IN THE PAINT NEAR THE TURN LIMIT STOP. THE PAINT WAS STRIPPED AWAY AND THE CRACK WAS CONFIRMED VISUALLY. THERE D
- [SDR CA100127003](https://openairdocs.org/sdr/CA100127003.md): Shaft · broken · Jan 24, 2010 · Piper PA31 · Hydraulic Pump (Electric/Engine), Main
  > (CAN) GROUND TEST AFTER FLIGHT, LANDING GEAR HANDLE DIDN`T RETURN TO NEUTRAL AFTER TEST. PUMP REMOVED AND FOUND DRIVING SHAFT BROKEN, PUMP REPLACED & CHECK OK. THIS KIND OF EVENTS HAPPEN FOR THE SECOND TIME FROM THE SAME SUPPLIER.
- [SDR CA091223012](https://openairdocs.org/sdr/CA091223012.md): Key · broken · Dec 21, 2009 · Piper PA31 · Hydraulic Pump (Electric/Engine), Main
  > (CAN) GROUND TEST AFTER FLY, LANDING GEAR HANDLE DIDN’T RETURN TO NEUTRAL AFTER TEST. MAINTENANCE ACTION, HYDRAULIC LEVEL CHECK OK, HYDRAULIC PUMP REMOVED AND FOUND DRIVING SHAFT KEY BROKEN. PUMP REPLACED AND CHECK OK (TC NR 20091223012)
- [SDR CA090317003](https://openairdocs.org/sdr/CA090317003.md): Line · fractured · Mar 13, 2009 · Piper PA31 · Engine Fuel Distribution
  > (CAN) FUEL INJECTOR LINE BETWEEN MANIFOLD AND NR 1 CYLINDER FAILED AT BEND ABOVE CYLINDER, CAUSING PARTIAL LOSS OF POWER. RESULTING VIBRATION LIKELY CAUSED SUBSEQUENT FAILURE OF 3 CYLINDER ATTACH STUDS, 50-15 AND 38-13.
- [SDR CA071114001](https://openairdocs.org/sdr/CA071114001.md): Housing · failed · Oct 22, 2007 · Piper PA31 · Starter-Generator
  > (CAN) MOTOR ATTACH BOLT PULLING OUT OF HOUSING. NOT AN INFLIGHT SAFETY CONCERN. (TC NR 20071114001)
- [SDR CA070503005](https://openairdocs.org/sdr/CA070503005.md): Drive Gear · failed · Apr 13, 2007 · Piper PA31 · Reciprocating Engine Power Section
  > (CAN) LT ENGINE FAILED IN CRUISE FLIGHT. AIRCRAFT RETURNED TO BASE. ENGINE REMOVED AND REPLACED. THE ACCESSORY CASE WAS REMOVED AND FOUND THAT THE CRANKSHAFT DRIVE GEAR HAD FAILED (TEETH STRIPPED OFF DRIVE GEAR). (TC NR 20070503005)
- [SDR CA070126009](https://openairdocs.org/sdr/CA070126009.md): Bolt · broken · Jan 18, 2007 · Piper PA31 · Wheel/Ski/Float
  > (CAN) WHILE TAXIING, THE UPPER TORQUE LINK BOLT BROKE WHICH ALLOWED THE LT MAIN WHEEL TO TURN SIDEWAYS. (TC NR 20070126009)
- [SDR CA070118004](https://openairdocs.org/sdr/CA070118004.md): Plate · cracked · Jan 12, 2007 · Piper PA31 · Propeller Assembly
  > (CAN) PROPELLER RECEIVED FROM CUSTOMER FOR ROUTINE OVERHAUL. PROPELLER DISMANTLED, PARTS NDT INSPECTED AND CRACK FOUND. NO AD`S OR BULLETIN`S ON THAT PART. (TC NR 20070118004)
- [SDR CA060726005](https://openairdocs.org/sdr/CA060726005.md): Oil Filter · leaking · Jul 24, 2006 · Piper PA31 · Turbine Engine Oil System
  > (CAN) DURING POST RUN UP INSPECTION OF REGULAR INSPECTION APPROXIMATE ONE FLUID OZ OF OIL WAS NOTED LEAKING FROM THE NEWLY INSTALLED OIL FILTER. IT IS SUSPECTED THAT A SIMILAR DEFECT BUT OF LESSER DEGREE MAY NOT BE PICKUP BY POST RUN UP INSPECTION AND MAY CAUS
- [SDR 2006FA0000391](https://openairdocs.org/sdr/2006FA0000391.md): Brake Disc · cracked · Mar 29, 2006 · N9007Y · Piper PA31 · Wheel/Ski/Float
  > FOUND CRACK IN BRAKE DISC ON OUTER EDGE. CRACK STARTED ON THE (P) IN PARKER FROM THE STAMPED NAME, MODEL, DATE, AND SN. WHEN STAMPED COULD HAVE CAUSED A STRESS CRACK. THE USE OF AN INK STAMP WOULD NOT CAUSE ANY STRESS ON THE DISC. (K)
- [SDR AU510001879](https://openairdocs.org/sdr/AU510001879.md): Rod End · broken · Dec 12, 2005 · Piper PA31 · Landing Gear Actuator
  > LT MAIN LANDING GEAR RETRACTION ACTUATOR ROD END BROKEN. FURTHER INVESTIGATION OF THE NOSE LANDING GEAR AND RT MAIN LANDING GEAR ACTUATOR ROD ENDS FOUND SLIGHT BENDING IN THE THREADED AREA OF THE NLG ROD END.
- [SDR CA051130011](https://openairdocs.org/sdr/CA051130011.md): Drive Assy · sheared · Nov 25, 2005 · Piper PA31 · Engine Fuel Pump
  > IN CRUISE, WHEN LT ENGINE LOST POWER. CREW RETARDED THROTTLE AND CALLED ATC. DURING THIS TIME, DISCOVERED NO FUEL PRESSURE INDICATED ON LT ENGINE AND SELECTED BOOST PUMP ON. REGAINED FULL POWER AND LANDED AT THE CLOSEST PRACTICAL AIRPORT. INVESTIGATION REV
- [SDR CA060328003](https://openairdocs.org/sdr/CA060328003.md): Skin · corroded · Oct 15, 2005 · Piper PA31 · Wing, Plate/Skin
  > ON DE-ICER BOOT REPLACEMENT DUE TO WEAR AND CONDITION FOUND LT WING AND LT HORIZONTAL STAB LEADING EDGE SKINS CORRODED. THERE WERE HOLES THROUGH THE METAL. SKINS WERE BEYOND REPAIR AND HAD TO BE REPLACED. RT SIDE WAS FOUND OK.
- [SDR CA051005012](https://openairdocs.org/sdr/CA051005012.md): Cylinder · cracked · Oct 4, 2005 · Piper PA31 · Reciprocating Engine Cylinder Section
  > (CAN) LT ENGINE SPRUNG HUGE OIL LEAK, WAS SHUTDOWN IN FLIGHT. ENGINE FEATHERED. A/C WAS EN-ROUTE. A/C MAINTAINED ALTITUDE, CONTINUED AND LANDED SAFELY. LT ENGINE NR 6 CYLINDER WAS PULLED AND FOUND HAVE ALMOST CRACKED IN HALF AROUND BASE OF CYLINDER. CYLINDER W
- [SDR CA050408011](https://openairdocs.org/sdr/CA050408011.md): Magneto · burned · Apr 3, 2005 · Piper PA31 · Magneto/Distributor
  > (CAN) RT ENGINE PARTIAL FAILURE ON CLIMB-OUT. RPM, MP, FF, FP EXCESSIVE DROPS. TROUBLE SHOOTING FOUND THAT LT MAGNETO FAILED. NEW MAGNETO INSTALLED. A/C TEST FLOWN, SATISFACTORY TEST FLIGHT. U/S MAGNETO SENT OUT FOR O/H. TEAR DOWN FOUND POINTS BURNT. DI
- [SDR CA050105004](https://openairdocs.org/sdr/CA050105004.md): Engine · failed · Dec 15, 2004 · Piper PA31 · Engine (Reciprocating)
  > (CAN) AFTER TAKEOFF THE LT ENGINE ENCOUNTERED RPM FLUCTUATIONS, THE AIRCRAFT RETURNED TO THE AIRPORT. AFTER SOME DISCUSSION WITH THE MECHANICS, THE PILOTS DRAINED THE AIRCRAFT AGAIN AND CARRIED OUT A GROUND RUN. EVERYTHING RETURNED TO NORMAL. THE AIRCRAFT DEPA
- [SDR CA040831008](https://openairdocs.org/sdr/CA040831008.md): Bolt · seized · Aug 20, 2004 · Piper PA31 · Fasteners
  > (CAN) WHEN THE PILOT SELECTED GEAR DOWN, THE RT GEAR LIGHT DID NOT ILLUMINATE.AFTER NUMEROUS RETRACTIONS AND EXTENSIONS NEAR THE AIRPORT, THE LIGHT NEVER CAME ON. AFTER LANDING THE RT DOWNLOCK HOOK WAS NOT COMPLETELY ENGAGED. WERE MOVED THE BOLT AND REPLACED W
- [SDR CA040720006](https://openairdocs.org/sdr/CA040720006.md): Screw · separated · Jul 12, 2004 · Piper PA31 · Fasteners
  > THESE TWO BOLTS HOLD THE FUEL PUMP IDLER GEAR SHAFT TO THE ACCESSORY HOUSING. FAILURE OF THE BOLTS ALLOWED THE IDLER GEAR AND SHAFT TO DROP TO THE BOTTOM OF THE ACCESSORY CASE. THE FUEL PUMP STOPPED TURNING AND THE ENGINE QUIT. ENGINE RESTARTED, USING ELECT
- [SDR 2004F00103](https://openairdocs.org/sdr/2004F00103.md): Downlock Switch · inoperative · Apr 8, 2004 · N9085Y · Piper PA31 · Landing Gear Position and Warning
  > ON A PART 91 FLIGHT THE GEAR DID NOT GET A LT DOWN LIGHT AND THE GEAR SELECTOR DID NOT COME BACK TO CENTER. AFTER A SAFE LANDING FOUND THE SWITCH NOT OPENING ALL THE WAY. CLEANED SWITCH AND BELIEVE THAT THE INTERNAL SPRING IS BROKEN AND ONLY ALLOWING HALF TR
- [SDR CA040308010](https://openairdocs.org/sdr/CA040308010.md): Trim System · lack of lube · Feb 21, 2004 · Piper PA31 · Elevator Tab Control System
  > (CAN) PILOT REPORTED ELEVATOR TRIM JAMMED FULL FORWARD AND COULD NOT TRIM NOSE UP. ELEVATOR TRIM JACK FOUND NOT LUBRICATED. SHAFT LUBRICATED, SYSTEM FUNCTIONS NORMAL. FORWARD TRIM JACK SPOOL CHECKED OK. SPOOLING AROUND ELECTRIC ACTUATOR CKECKED OK. CABLE TE
- [SDR CA040219006](https://openairdocs.org/sdr/CA040219006.md): Axle · broken · Feb 18, 2004 · Piper PA31 · Main Landing Gear Strut/Axle/Truck
  > (CAN) PILOT WAS TAXIING OUT FOR TAKEOFF WHEN THE AXLE BROKE. VIBRATION AND NOISE WAS HEARD. TAXIED BACK AND DISCOVERED THE MAIN WHEEL HAD TILTED OVER AND WAS RUBBING ON THE FORK ASSEMBLY.
- [SDR CA040123008](https://openairdocs.org/sdr/CA040123008.md): Bolt · corroded · Jan 20, 2004 · Piper PA31 · Fasteners
  > (CAN) THE AIRCRAFT WAS ON APPROACH WHEN THE CREW COULD NOT GET A DOWN AND LOCKED (GREEN) INDICATION ON THE RT MAIN GEAR. THE AIRCRAFT FLEW LOCALLY AND AFTER SEVERAL ATTEMPTS FLEW TO ANOTHER AIRPORT FOR A TOWER FLYBY AND LANDING. UPON TOUCHDOWN, THE RT MAIN GE
- [SDR AUS20031257](https://openairdocs.org/sdr/AUS20031257.md): Arm · broken · Dec 9, 2003 · Piper PA31 · Landing Gear Retraction/Extension System
  > (AUS) LT MAIN LANDING GEAR RETRACTION ARM BROKEN. ASSOCIATED FORK AND ROD END BENT. DAMAGE ALSO TO DOWNLOCK HOOK AND ROD END ASSEMBLY. SUSPECT DOWNLOCK HOOK FAILED TO DISENGAGE.
- [SDR CA040106005](https://openairdocs.org/sdr/CA040106005.md): Downlock · inoperative · Dec 9, 2003 · Piper PA31 · Landing Gear Position and Warning
  > (CAN) AIRCRAFT WAS PREPARING TO LAND, PILOT SELECTED GEAR DOWN, ONLY THE NOSE AND RT GEAR HAD A LOCK INDICATION, UNSAFE GEAR INDICATION.
- [SDR CA031215001](https://openairdocs.org/sdr/CA031215001.md): Cooling Jet · separated · Oct 29, 2003 · Piper PA31 · Reciprocating Engine Cylinder Section
  > (CAN) PISTON COOLING JET BACKED OUT OF HOLE. BOUNCED AROUND INSIDE OF ENGINE BEFORE THE CRANKSHAFT PUSHED IT THROUGH THE TOP OF THE CASE
- [SDR CA030924005](https://openairdocs.org/sdr/CA030924005.md): Stud · broken · Sep 19, 2003 · Piper PA31 · Reciprocating Engine Cylinder Section
  > (CAN) LT ENGINE CYLINDER NR 5 CYLINDER BASE STUDS SHEARED OFF IN CASE. STUDS APPEAR TO HAVE BEEN CRACKED INSIDE CASE AREA. POSSIBLY FROM OVER TORQUEING.
- [SDR CA030730001](https://openairdocs.org/sdr/CA030730001.md): Fork · cracked · Jul 25, 2003 · Piper PA31 · Main Landing Gear
  > (CAN) WHILE INSPECTING BRAKE PADS A CRACK WAS NOTICED ON THE RT MAIN LEG CASTING AT THE AXEL RADIUS. FURTHER INSPECTION NOTED A 1.5 INCH CRACK IN THE RT LEG AND A 0.5 CRACK IN THE LT LEG. BOTH MAIN LANDING GEAR LEGS REPLACED WITH SERVICEABLE UNITS.
- [SDR CA030606003](https://openairdocs.org/sdr/CA030606003.md): Cable · jammed · May 30, 2003 · Piper PA31 · Elevator Control System
  > (CAN) AUTO PILOT PITCH SERVO BRIDLE CABLE TO ELEVATOR MAIN CONTROL CABLE CLAMPS ERRONEOUSLY INSTALLED CAUSING PITCH CONTROL JAMMING AT FULL ELEVATOR UP EXTENSION.
- [SDR CA030606001](https://openairdocs.org/sdr/CA030606001.md): Bolt · failed · May 29, 2003 · Piper PA31 · Propeller Hub Section
  > (CAN) DURING LAST THREE PROPELLER OVERHAULS THESE BOLTS ARE REPLACED WITH NEW AS REQUIRED. THE LAST TWO INSTALLS WERE NOT IN COMPLIANCE WITH SL 508. THESE WERE ONLY BY CHANCE NOTICED BY THE MAINTENANCE CO-ORDINATOR (NOT AME). THE PREVIOUS ONE WAS NOT NOTICED A
- [SDR CA030606002](https://openairdocs.org/sdr/CA030606002.md): Clamp · jammed · May 29, 2003 · Piper PA31 · Autopilot System
  > (CAN) AUTO PILOT BRIDLE CABLE CLAMP (PITCH) JAMS AGAINST EACH OTHER AT OR NEAR FULL UP (NOSE UP) CONTROL MOVEMENT. THIS IS A RECURRING PROBLEM. THIS HAS ALSO HAPPENED YEARS AGO WITH OLD EDO-AIR (ALTIMATIC III A/P). THESE CLAMPS ARE NEWER STYLE (MANDITORY BY AD
- [SDR CA030606008](https://openairdocs.org/sdr/CA030606008.md): Crankshaft · failed · May 27, 2003 · Piper PA31 · Reciprocating Engine Power Section
  > (CAN) COUNTERWEIGHT BLADE BUSHINGS AND BORE WORN (LOOSE) BEYOND REPAIRABLE LIMITS. PROP GOVERNOR GEAR P/N 70389 HAD FAILED.
- [SDR CA030604006](https://openairdocs.org/sdr/CA030604006.md): Blade · corroded · May 22, 2003 · Piper PA31 · Propeller Blade Section
  > (CAN) PROPELLER RECEIVED ON 22 MAY 2003, MODEL HC-E2YK-2B/FC847504 REMOVED FOR INSPECTION DUE TO EXCESSIVE ROTATIONAL BLADE MOVEMENT. A DECISION WAS MADE TO OVERHAUL THE PROPELLER. VISUAL INSPECTION ON ONE BLADE REVEALED EXCESSIVE CORROSION AT THE BLADE BEARIN
- [SDR CA030501009](https://openairdocs.org/sdr/CA030501009.md): Drive Shaft · cracked · May 1, 2003 · Piper PA31 · Trailing Edge Flap Control System
  > (CAN) RT FLAP FLEX CABLE WAS FOUND TO HAVE A CRACK ON THE SLINED SHAFT FROM THE PIN HOLE TO THE END OF THE DRIVE. THIS WAS DISCOVERED WHEN AD 82-27-13 WAS CARRIED OUT. REPLACED SHAFT DRIVE

Next page: https://openairdocs.org/engine/lycoming-tio-540-a2b/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 = 'TIO540A2B'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/lycoming-tio-540-a2b/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.