# Service difficulty reports: Lycoming 0-540 series

A list on [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 3 · 107 reports

- [SDR 2026FA0000347](https://openairdocs.org/sdr/2026FA0000347.md): Thrust Button · faulty · May 9, 2026 · Reciprocating Engine Cylinder Section
  > DURING MAJOR OVERHAUL INSTALLED SUPERIOR ROCKER SHAFT THRUST BUTTONS P/N SL12893.INFORMATION THAT WE RECEIVED STATED THAT FAULTY THRUST BUTTONS WILL FLOAT IN WATER AND GOOD PARTS WILL SINK. WE PERFORMED THIS TEST ON EVERY LOT NUMBER IN OUR INVENTORY AND FOUND
- [SDR 2020FA0000280](https://openairdocs.org/sdr/2020FA0000280.md): Gearbox · making metal · Jun 4, 2020 · Robsin R44 · Main Rotor Gearbox
  > DURING THE ANNUAL INSPECTION OF THE AIRCRAFT, IT HAS BEEN FOUND MAGNETIC PARTICLES ON THE MGB DETECTOR CHIP. THE QUANTITY OF MAGNETIC PARTICLES IS HIGH, BUT THE LIGHT OF THE DETECTOR WAS NOT ON, ALTHOUGH IT HAS BEEN CHECKED THAT IT WORKS. ACCORDING TO THE SI
- [SDR 2019FA0000145](https://openairdocs.org/sdr/2019FA0000145.md): Push-Pull Cable · defective · May 8, 2019 · N272C · Mrchti SF260B · Power Lever
  > AFTER ENGINE INSTALLATION THROTTLE SPRING BACK WAS EXCESSIVE WITH LOSS OF THROTTLE CONTROL. THROTTLE WOULD GLADLY GO TO IDLE AND STAY THERE EVEN WHEN FULLY ADVANCED. FACTORY AIRFRAME ATTACHMENT IS ON THE FLEXIBLE CABLE 2.5 INCHES AWAY FROM SOLID ATTACHMENT SEC
- [SDR CA190213015](https://openairdocs.org/sdr/CA190213015.md): Pin · dislodged · Feb 13, 2019 · Cessna 182 · Magneto/Distributor
  > (CAN) IMPULSE COUPLING PIN (NO PART NUMBER FOR ONLY THE PIN) NORMALLY PRESSED INTO MAGNETO HOUSING HAD COME OUT OF THE HOUSING ALLOWING OIL TO ENTER THE CASE OF THE MAG, THE PIN (1/4 INCH DIAMETER BY 1 1/8 INCH LONG) WAS FLUNG LOOSE AND CAME TO REST AT THE BOT
- [SDR EVGR2019030600001](https://openairdocs.org/sdr/EVGR2019030600001.md): Contact Breaker · open · Jun 29, 2018 · N69KA · Robsin R44 · Magneto/Distributor
  > THE OVERHAULED MAGNETO WAS PURCHASED. UPON INSTALLATION OF THE MAGNETO, THE TACHOMETER DID NOT WORK. FURTHER TROUBLESHOOTING REVEALED THAT THE TACHOMETER CONTACT ASSEMBLY HAD NO CONTINUITY ACROSS THE POINTS. THE CONTACT ASSEMBLY WAS REPLACED WITH A NEW CONT
- [SDR JIKA2018041260001](https://openairdocs.org/sdr/JIKA2018041260001.md): Engine · making metal · Apr 13, 2018 · N3BT · Piper PA31350 · Engine (Reciprocating)
  > AFTER DEPARTING, THE PILOT NOTICE DURING CLIMB THROUGH 9000 TO 10500 FEET THAT THE MANIFOLD PRESSURE ON THE LEFT ENGINE WAS SLOWLY DROPPING. AS THE PILOT ATTEMPT TO TROUBLESHOOT THE ISSUES BY ADJUSTING THE MIXTURE, HE NOTICES THE LEFT ENGINE OIL PRESSURE DRO
- [SDR 2017FA0000602](https://openairdocs.org/sdr/2017FA0000602.md): Alternator · failed · Nov 2, 2017 · N87SX · Amtr SX300 · DC Generator-Alternator
  > PILOT DISCOVERED ALTERNATOR HAD FAILED DURING FLIGHT. THE BATTERY WAS QUICKLY DEPLETED AND PILOT MANUALLY EXTENDED GEAR. THE RIGHT MAIN SLOWLY RETRACTED ON LANDING ROLLOUT.
- [SDR 2017FA0000412](https://openairdocs.org/sdr/2017FA0000412.md): Oil Cooler · vapor lock · Nov 9, 2016 · N5153R · Cessna TR182 · Engine Oil Cooler
  > AFTER FACTORY REMANUFACTURED, INSTALLED THE ENGINE, FOUND THE TURBO LEAKING FROM CENTER SECTION DURING IDLE, BUT NOT ABOVE 1000 RPM. TROUBLESHOT OIL LEAK AND DETERMINED OIL COOLER VAPOR LOCK CAUSING TURBO LEAK. BLEEDING AIR FROM COOLER DID STOP THE OIL LEAK,
- [SDR E4FR2015FA0000621](https://openairdocs.org/sdr/E4FR2015FA0000621.md): Attach Bracket · corroded · Dec 3, 2015 · N227RF · Piper PA32260 · Horizontal Stabilizer, Attach Fittings
  > DURING AN ANNUAL INSPECTION THE HORIZONTAL COUNTERBALANCE TUBE ATTACH BRACKET, FOUND TO BE SEVERLY CORRODED AND WORN. THE FLIGHT CONTROL WAS REMOVED FOR MAINTENANCE AND PAINTING. THE COROSSION AND WEAR WAS COVERED UP BY THE INSTALLATION OF THE WASHERS ON EAC
- [SDR 2015FA0000342](https://openairdocs.org/sdr/2015FA0000342.md): Hub · cracked · Jul 24, 2015 · N3014X · Piper PA32300 · Propeller Hub Section
  > ACFT BROUGHT IN FOR AN ON WING INSPECTION UNDER AD 2009-22-03. INDICATION NOTED BY EDDY CURRENT INSPECTION. PROPELLER HUB REJECTED. THE PROPELLER HAS HAD MANY PREVIOUS 100 HR INSPECTIONS.
- [SDR 2014FA0000599](https://openairdocs.org/sdr/2014FA0000599.md): Air Filter · defective · Oct 10, 2014 · N7188D · Robsin R44 · Engine Air Intake System
  > DURING A VFR STAGE CHECKOUT. AFTER A NORMAL START UP, PILOT EXECUTED A MAX PERFORMANCE TAKEOFF FROM THE DEPARTURE. NO ISSUES, AND ACFT BEHAVED NORMALLY. PILOT EXECUTED A NORMAL APPROACH. INSTRUCTOR TOOK CONTROLS. GAUGES WERE NORMAL AFTER PEDAL TURN. A N
- [SDR 2013FA0000137](https://openairdocs.org/sdr/2013FA0000137.md): Distributor Gear · broken · Feb 28, 2013 · N2114S · Cessna R182 · Magneto/Distributor
  > DURING INSPECTION, DISCOVERED MAGNETO DISTRIBUTOR GEAR, MISSING TEETH ON BOTH GEARS.
- [SDR 2012FA0000715](https://openairdocs.org/sdr/2012FA0000715.md): Air Box · damaged · Oct 22, 2012 · N82509 · Piper PA25235 · Engine Air Intake System
  > DURING FLIGHT, POWER LOSS FROM ENGINE. SUCCESSFUL OFF FIELD LANDING WAS MADE. INSPECTION REVEALED A BAFFLE INSIDE THE CARBURETOR AIR BOX, CAME LOOSE STARTVING THE CARB OF AIR CAUSING ENGINE TO LOOSE POWER.
- [SDR 2012FA0000471](https://openairdocs.org/sdr/2012FA0000471.md): Points · loose · Jul 1, 2012 · N4928Y · Piper PA25260 · Magneto/Distributor
  > FOUND MAGNETO CONTACT POINTS LOOSE WHEN POINTS ARE OPEN.
- [SDR 2011FA0000697](https://openairdocs.org/sdr/2011FA0000697.md): Carburetor · misoverhauled · Oct 14, 2011 · Fuel Control/Reciprocating Engines
  > UPON INSPECTION OF THE CARBURETOR, FOUND THAT THREAD SEALANT HAD BEEN APPLIED TO THE FILTER SCREEN ASSY AS WELL AS THE DRAIN PLUG.
- [SDR 2011FA0000696](https://openairdocs.org/sdr/2011FA0000696.md): Carburetor · misoverhauled · Oct 13, 2011 · Fuel Control/Reciprocating Engines
  > UPON INSPECTION, CARBURETOR THE THREAD SEALANT HAD BEEN APPLIED TO THE DRAIN PLUG AS WELL AS THE FUEL FITTINGS.
- [SDR 2011FA0000494](https://openairdocs.org/sdr/2011FA0000494.md): Baffle · loose · Jul 5, 2011 · N7392X · Cessna R182 · Engine Noise Suppressor
  > CONE SHAPED BAFFLE IN MUFFLER CAME LOOSE AND COMPLETELY BLOCKED EXHAUST STACK.
- [SDR 2010FA0001249](https://openairdocs.org/sdr/2010FA0001249.md): Spring · broken · Dec 16, 2010 · N8176P · Piper PA24250 · Reciprocating Engine Cylinder Section
  > TRACING AN ENGINE OIL LEAK, IT WAS DISCOVERED THAT THE PUSHROD SHROUD TUBE RETAINING SPRINGS (SL14995)HAD FAILED ON ALL 6 CYLINDERS. THE PART FAILED BY BREAKING INTO 2 OR MORE FRAGMENTS; THIS ALLOWED THE SHROUD TO UNSEAT FROM THE HEAD AND LEAK OIL. ALL 6 SPRIN
- [SDR 2010FA0001131](https://openairdocs.org/sdr/2010FA0001131.md): Antenna · failed · Oct 22, 2010 · N3UW · Piper PA28235 · Global Positioning System
  > THE GNS 430W INDICATED NO SATELLITE COVERAGE WHILE IN FLIGHT. AN ADDITIONAL PORTABLE GPS ALSO INDICATED A LOSS OF SATELLITE COVERAGE. ATC INDICATED THAT THERE WERE NO OTHER REPORTS OF GPS PROBLEMS. LANDED AND TURNED OFF ALL OTHER ELECTRICAL DEVICES EXCEPT FO
- [SDR 2010FA0001090](https://openairdocs.org/sdr/2010FA0001090.md): Impulse Coupling · broken · Sep 22, 2010 · N758AZ · Maule MX7235 · Magneto/Distributor
  > PILOT REPORTED LT MAGNETO FAULTY DURING RUN-UP. INVESTIAGTION REVEALED HOLE IN MAGNETO ADAPTER PLATE, WITH ALUMINUM SHAVINGS IN ENGINE COMPARTMENT. REMOVED ENGINE FROM ACFT, AND REMOVED SUMP AND ACCESSORY CASE. FUND DAMAGED LT MAGNETO DRIVE GEAR, LT CRANKS
- [SDR 2010FA0000790](https://openairdocs.org/sdr/2010FA0000790.md): Oil Cooler · leaking · Aug 6, 2010 · N2129Z · Piper PA28236 · Engine Oil Cooler
  > THE FIRST UNIT THAT FAILED WAS AN O/H COOLER, PN 8000074, SN 1041411 MFG. 04/05, INSTALLED 12/01/09 AND FAILED ON 3/19/10. THE REPLACEMENT COOLER WAS NEW WITH SAME PN 8000074 AND SN 1041905, MFG. 10/09, INSTALLED ON 3/25/10. THE FIRST WAS INSTALLED ON A FACT
- [SDR 2010FA0000526](https://openairdocs.org/sdr/2010FA0000526.md): Oil Cooler · failed · Jun 7, 2010 · N2129Z · Piper PA28236 · Engine Oil Cooler
  > NEW OIL COOLER INSTALLED FAILED WITH ONLY A TOTAL OF 29 CUMMLATIVE HOURS AT THE BRAZE WELD OF THE CASING.
- [SDR 2009FA0000759](https://openairdocs.org/sdr/2009FA0000759.md): Beam · cracked · Jul 7, 2009 · N903VL · Bnorm BN2A26 · Rudder Control System
  > WHILE PERFORMING FLUORESCENT DYE PENETRANT INSP IAW AD 2002-25-03 OF CAPTAINS RUDDER PEDAL BEAMS FOUND CRACKED ON (LT) INNER SIDE FWD BEAM. (K)
- [SDR CA080709008](https://openairdocs.org/sdr/CA080709008.md): Exhaust Valve · seized · Jul 4, 2008 · Reciprocating Engine Cylinder Section
  > (CAN) DURING A FLIGHT IN THE R44 HELICOPTER, THE PILOT NOTICED A SIGNIFICANT VIBRATION APPROX. 2 HOURS INTO THE FLIGHT. THE VIBRATION LASTED 45 SECONDS. THERE WERE NO AUDIBLE ALARMS & ALL GAUGES READ NORMAL. THE A/C WAS DESCENDING WITHOUT CONTOL INPUTS,AFTER
- [SDR 2008FA0000235](https://openairdocs.org/sdr/2008FA0000235.md): Screw · improper part · Mar 1, 2008 · N757XU · Cessna R182 · Flight Compartment Equipment
  > MFG SB NR SEB07-3 TO CHECK THE LENGTH OF THE SCREWS IN ACCESS PLATE UNDER REAR SEAT. THE PLATE MAY HAVE HAD TOO LONG A SCREW INSTALLED WHICH COULD CAUSE A FAILURE OF THE LANDING GEAR TO OPERATE DOWN. THE SB LISTED THE PROPER SCREWS TO USE IN EACH HOLE IN THE
- [SDR 2007FA0000982](https://openairdocs.org/sdr/2007FA0000982.md): Bearing · broken · Oct 28, 2007 · N108SG · Piper PA24250 · Landing Gear Actuator
  > RT OB HEIM BEARING BROKE AT THREADS NEXT TO JAM NUT ON ACTUATOR ROD DURING TAKEOFF ROLL W/RESULTANT GEAR COLLAPSE. INCREASE SIZE AND STRENGTH OF PART. (K)
- [SDR 2007FA0000583](https://openairdocs.org/sdr/2007FA0000583.md): Starter · defective · May 24, 2007 · N182MS · Cessna R182 · Engine Starter
  > REMOVED THIS STARTER FROM SAME AIRCRAFT FOR THE 4TH TIME WITH 11.3 HOURS SINCE OVERHAUL. STARTER BENDIX WOULD NOT ENGAGE ANYMORE DURING STARTUP. NO PROBLEM COULD BE FOUND WITH AIRCRAFT ELECTRICAL SYSTEM. INSTALLED ON ANOTHER AIRCRAFT TO VERIFY PROBLEM AND F
- [SDR 2007FA0000581](https://openairdocs.org/sdr/2007FA0000581.md): Starter · malfunctioned · May 18, 2007 · N182MS · Cessna R182 · Engine Starter
  > REMOVED THIS STARTER FROM SAME AIRCRAFT FOR THE 3RD TIME WITH 62.3 HRS SINCE OVERHAUL. STARTER BENDIX WOULD NOT ENGAGE ANYMORE DURING START UP. NO PROBLEM COULD BE FOUND WITH AIRCRAFT ELECTRICAL SYSTEM. (K)
- [SDR 2007FA0000383](https://openairdocs.org/sdr/2007FA0000383.md): Horn · cracked · Apr 30, 2007 · N5977P · Piper PA24250 · Elevator Structure
  > FOUND STABILATOR HORN P/N 20397-00 SEVERELY CRACKED FROM THE INSIDE WHERE THE ATTACH BOLTS CONNECT THE BALANCE WEIGHT TUBE P/N 20398-02 AND STABILATOR TORQUE TUBE ASSEMBLY P/N 20203-03.
- [SDR 2007FA0000582](https://openairdocs.org/sdr/2007FA0000582.md): Starter · failed · Apr 30, 2007 · N182MS · Cessna R182 · Engine Starter
  > REMOVED THIS STARTER WITH 3.3 HOURS SINCE OVERHAUL. STARTER BENDIX STAYED ENGAGED DURING START UP. NO PROBLEM COULD BE FOUND WITH AIRCRAFT ELECTRICAL SYSTEM. (K)
- [SDR 2007FA0000580](https://openairdocs.org/sdr/2007FA0000580.md): Starter · failed · Apr 27, 2007 · N182MS · Cessna R182 · Engine Starter
  > REMOVED THIS STARTER FROM AIRCRAFT DUE TO BENDIX FAILURE. TIME ON THIS STARTER IS UNKNOWN. (K)
- [SDR 2007FA0000096](https://openairdocs.org/sdr/2007FA0000096.md): Conduit · separated · Jan 3, 2007 · N6632P · Piper PA24250 · Landing Gear Retraction/Extension System
  > THE LT MAIN LANDING GEAR PUSH PULL CONDUIT SEPARATED AT THE BALL END WHERE IT IS ATTACHED TO THE SUPPORT STRUCTURE IN THE WHEEL WELL. BELIEVE THIS FAILURE OCCURRED AT THE PREVIOUS LANDING GEAR RETRACTION. (K)
- [SDR 2007FA0000055](https://openairdocs.org/sdr/2007FA0000055.md): Hydraulic Line · failed · Dec 12, 2006 · N5091S · Cessna TR182 · Hydraulic System, Main
  > HYDRAULIC HOSE ON RETRACT SIDE OF NOSE GEAR ACTUATOR FAILED AS AIRCRAT WAS ON APPROACH AND GEARDOWN WAS SELECTED. RESULTED IN AIRCRAFT MAKING AN EMERGENCY GEARUP LANDING. AFTER AC WAS RECOVERED, INSPECTION OF HYDRAULIC SYSTEM REVEALED; TEFLON HYDRAULIC HOSE
- [SDR 2006FA0001171](https://openairdocs.org/sdr/2006FA0001171.md): Boot · leaking · Dec 4, 2006 · N7133E · Robsin R44 · Main Rotor Blades
  > FLUID LEAKING FROM MAIN ROTOR BLADE PITCH BEARING HOUSING.
- [SDR 2006FA0001172](https://openairdocs.org/sdr/2006FA0001172.md): Boot · leaking · Dec 4, 2006 · N7133E · Robsin R44 · Main Rotor Blades
  > FLUID LEAKING FROM MAIN ROTOR BLADE PITCH BEARING HOUSING.
- [SDR 2006FA0001056](https://openairdocs.org/sdr/2006FA0001056.md): Pin · broken · Oct 22, 2006 · N5274S · Cessna R182 · Standard Practices/Structures
  > LOCKDOWN PINS BROKE AT GROOVE FOR ROLL PINS. THIS ALLOWED THE PINS TO MOVE OUT OF ACTUATOR BEARING END AND JAM THE ACTUATOR. IN THE UNLOCKED POSITION, SEB95-20 ACTUATOR DOWNLOCK PIN. INSPECTION SAYS TO CHECK FOR LOOSE PINS. THESE PINS WERE NOT LOOSE IN THE
- [SDR 608062](https://openairdocs.org/sdr/608062.md): Clamp · cracked · Jun 8, 2006 · Gulstm 500 · Propeller Blade Section
  > BLADE CLAMPS CRACKED.
- [SDR 608063](https://openairdocs.org/sdr/608063.md): Clamp · cracked · Jun 8, 2006 · Gulstm 500 · Propeller Blade Section
  > BLADE CLAMP CRACKED.
- [SDR 2006FA0000627](https://openairdocs.org/sdr/2006FA0000627.md): Washer · cracked · Jun 5, 2006 · N7785Z · Piper PA25235 · Engine (Reciprocating)
  > COUNTER WEIGHT RETAINING WASHER P/N 71907 CRACKED AND BROKE. THIS ALLOWED THE COUNTER WEIGHT RETAINING PIN TO FALL OUT. ENGINE SEIZED.
- [SDR 2006FA0000459](https://openairdocs.org/sdr/2006FA0000459.md): Attach Fitting · out of limits · Apr 19, 2006 · N6719Z · Piper PA25235 · Fuselage, Wing Attach Fittings
  > ATTACHMENT CONNECTIONS AT RT AND LT SIDES ARE BELOW MINIMUM SPECIFIED IN AD. INSPECTION METHOD- ULTRASONIC. (K)
- [SDR IBI2006F00000](https://openairdocs.org/sdr/IBI2006F00000.md): Alternator · failed · Mar 21, 2006 · N8264G · Piper PA28236 · DC Generator-Alternator
  > ALTERNATOR FAILED AT 18.51 HOURS SINCE OVERHAUL. WITH FAILURE, AMMETER WAS STUCK AT 35 AMPS INDICATED. VOLTAGE REGULATOR WAS ALSO DISABLED FROM ALTERNATOR FAILURE. INSPECTION OF ALTERNATOR REVEALED AN ASSY TYPE SCREW LODGED IN BETWEEN STATOR AND HOUSING SHO
- [SDR 2006FA0000184](https://openairdocs.org/sdr/2006FA0000184.md): Selector · inoperative · Dec 19, 2005 · N80KM · Bnorm BN2A · Fuel Selector/Shut-Off Valve
  > RT FUEL PRESSURE WOULD OCCASIONALLY DROP OFF TO BOTTOM OF GREEN RANGE AFTER AIRCRAFT IN CRUISE CONFIGURATION, (ELECTRIC PUMPS OFF) AFTER EXTENDED TROUBLESHOOTING IT WAS FOUND THAT THE RT FUEL COCK HAS VACUUM LEAK AT THE SHAFT AT HIGHER MANIFOLD PRESSURE 23-24
- [SDR BG001](https://openairdocs.org/sdr/BG001.md): Line · failed · Oct 6, 2005 · N2426S · Cessna TR182 · Hydraulic System, Main
  > DOWN HYDRAULIC PRESSURE LINE FAILED AT ACTUATOR. LINE PULLED OUT OF SWAGED END FITTING.
- [SDR 2005FA0001317](https://openairdocs.org/sdr/2005FA0001317.md): Bladder · collapsed · Sep 20, 2005 · N4827Y · Piper PA25235 · Fuel Storage
  > FOUND AC TO HAVE DAMAGE TO L G BUNGEE, LT BOOM OB ATTACH POINT AT AFT WING CLOSEOUT. NO FUEL IN TANK, VERIFIED BY REMOVAL OF FUEL LINE AT FUEL VALVE ON BOTTOM OF TANK. FILLED TANK TO OVERFLOW CONDITION. WAS ONLY ABLE TO GET 23.2 OF 38 GALLONS INTO TANK. FU
- [SDR 2005FA0000754](https://openairdocs.org/sdr/2005FA0000754.md): Gascolator · contaminated · May 11, 2005 · N4514Y · Piper PA25235 · Aircraft Fuel Filter/Strainer
  > DURING AN ACCIDENT INVESTIGATION FUEL GASCOLATOR WAS FOUND WITH LARGE AMOUNTS OF WATER AND SOLID CONTAMINANTS. IT WAS NOTED THAT THE PART COULD NOT BE ROTATED TO ENSURE DRAINAGE OF CONTAMINANTS WHEN AC IS ON THE GROUND DUE TO COWL SUPPORT STRUTS INTERFERENCE.
- [SDR 2005FA0001578](https://openairdocs.org/sdr/2005FA0001578.md): Tube · corroded · Apr 15, 2005 · N56395 · Maule M5235C · Fuselage Main, Structure
  > ANNUAL INSPECTION DISCOVERED WIDESPREAD CORROSION OF 4130 STEEL FUSELAGE STRUCTURE. LOWER DOOR POST TUBES WERE CORRODED NEARLY THROUGH, RENDERING AIRPLANE UNAIRWORTHY. SIGNIFICANT PORTIONS OF APPARENT ORIGINAL YELLOW FIBERGLASS INSTALLATION WERE WET. AIRCRAF
- [SDR 2005FA0000132](https://openairdocs.org/sdr/2005FA0000132.md): Support · damaged · Jan 28, 2005 · N7579T · Cessna R182 · Rudder Control System
  > WHILE COMPLETING GROUND RUN, PRIOR TO 100 HOUR INSPECTION, NOTICED RUDDER PEDALS DID NOT FEEL RIGHT. FURTHER INVESTIGATION REVEALED THAT THE NUT-PLATES HAD RIPPED THROUGH THE RUDDER PEDAL SUPPORT PIECES. (K)
- [SDR R7S2005F00000](https://openairdocs.org/sdr/R7S2005F00000.md): Nut · worn · Nov 2, 2004 · N748BP · Robsin R44 · Fuel Control/Reciprocating Engines
  > DURING A 100 HOUR INSPECTION, THE ROD END BEARING JAM NUT ON CONTROL TUBE (C336-1) AT THE CARBURETOR ATTACHMENT ARM WAS FOUND TO BE ONLY HAND TIGHT. THE ORIGINAL SAFETY WIRE INSTALLED BY THE FACTORY WAS STILL IN PLACE, BUT THE ROD END BEARING WAS ALLOWED TO M
- [SDR UIA9317](https://openairdocs.org/sdr/UIA9317.md): Tube · deformed · Oct 8, 2004 · N15219 · Dhav DHC8311 · Engine Bleed Air System
  > NO.2 BLEED HOT CAUTION LIGHT ON (IN FLIGHT),AFTER LANDING IAW AMM21-11-00 AND AMM 49-10-00 CHECK FOUND ENG BLEED HEATSHIELD DEFORM.REPLACED HEATSHIELD PIPE AND ENG RUN-UP CHECK CONDCTION BACK NORMAL.
- [SDR 2005FA0000759](https://openairdocs.org/sdr/2005FA0000759.md): Actuator · obstructed · Oct 6, 2004 · N756TK · Cessna R182 · Landing Gear Door Actuator
  > AC NOSE DAMAGE DUE TO FAILURE OF NOSE GEAR TO EXTEND FOR LANDING. PROP LINKAGE RUNS DOWN OUTSIDE NLG TUNNEL, IS ATTACHED TO IT IN 2 PLACES WITH ADEL CLAMPS, STANDOFFS, AND AN3 BOLTS. AFT ATTACH HOLE IS DIRECTLY IN LINE WITH NOSE DOOR ACT ARM, WHICH IS HOLLOW

Next page: https://openairdocs.org/engine/lycoming-0-540-series/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 = 'O540'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/lycoming-0-540-series/reports

---
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