# Service difficulty reports: Allison 250-C20R/2

A list on [Allison 250-C20R/2](https://openairdocs.org/engine/allison-250-c20r-2.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 2 · 66 reports

- [SDR 2019FA0000124](https://openairdocs.org/sdr/2019FA0000124.md): Control Cable · binding · Apr 13, 2019 · N523HB · Doug MD500N · Tail Rotor Control System
  > A/C EXPERIENCED STUCK RIGHT PEDAL IN FLIGHT RESULTING IN EMERGENCY LANDING. UPON INSPECTION OF ANTI-TORQUE SYSTEM, FOUND FORWARD AND AFT THRUSTER CONTROL CABLE ASSEMBLIES BOUND UP AT THE TAIL BOOM CONNECT/DISCONNECT POINT. THIS LOCATION IS WHERE THE FORWARD AN
- [SDR CA160107008](https://openairdocs.org/sdr/CA160107008.md): Turbine · failed · Jan 4, 2016 · Bell 206L · Turbine Section
  > (CAN) THE TURBINE HAD A CATASTROPHIC FAILURE.
- [SDR CA141017005](https://openairdocs.org/sdr/CA141017005.md): Cartridge · leaking · Oct 8, 2014 · Bell 206L · Fuel Boost Pump
  > (CAN) BOOST PUMP FUEL CARTRIDGE LEAKING FUEL AND REQUIRES O/H, REPLACED WITH TSO 0.0.
- [SDR CA141016002](https://openairdocs.org/sdr/CA141016002.md): Blade · debonded · Oct 7, 2014 · Hughes 369E · Tail Rotor Blades
  > (CAN) TAIL ROTOR BLADES, L/E STRIPS FOUND DEBONDED AT BLADE TIPS. EDGE OF L/E STRIP SEPARATED FROM AIRFOIL. BOTH BLADES REMOVED FROM SERVICE AND REPLACED BY NEW UNIT SAME PN.
- [SDR ZD4R20130530610](https://openairdocs.org/sdr/ZD4R20130530610.md): Retaining Ring · dislodged · May 8, 2013 · Turbine Engine Compressor Section
  > A CHIP LIGHT ILLUMINATED, CLEANED CHIP PLUGS AND RETURNED ENGINE BACK TO SERVICE. APPROX 11 HOURS LATER, CHIP LIGHT ILLUMINATED AND METAL WAS MORE SIGNIFICANT THAN BEFORE. DECIDED TO PULL THE ENGINE AND SEND IT IN FOR REPAIR. THE ENGINE WAS DISMANTLED AND IT
- [SDR CA121019012](https://openairdocs.org/sdr/CA121019012.md): Turbine · seized · Oct 17, 2012 · Bell 206L · Turbine Section
  > (CAN) WHILE DECENDING FOR AN APPROACH INTO CAMP, AT APPROXIMATELY 200 FEET AGL, PILOT HEARD A LOUD BANG FOLLOWED BY A YAW, AND A LOSS OF ENGINE POWER. PILOT ENTERED AN AUTOROTATION, AND ELECTED TO GO TO THE SHALLOW RIVER BED NEARBY AS OTHER OPTIONS WERE HEAVI
- [SDR 2012FA0000117](https://openairdocs.org/sdr/2012FA0000117.md): Torque Tube · mismanufactured · Dec 27, 2011 · N103CG · Doug MD500N · Main Rotor Control
  > DURING A 600 HR A/F INSPECTION, NOTICED 8 RIVETS SHOWING EVIDENCE OF LOOSENESS. THE AFFECTED RIVETS ARE LOCATED ON THE RT SIDE OF THE TORQUE TUBE AND GO AROUND. THE CIRCUMFERENCE OF THE COLLECTIVE TORQUE TUBE ASSY. AFTER MOVING THE PILOTS COLLECTIVE CONTRO
- [SDR 2011FA0000385](https://openairdocs.org/sdr/2011FA0000385.md): Cover · cracked · Jun 7, 2011 · N522HB · Doug MD500N · Main Rotor Gearbox
  > WITHIN 1 WEEK OF RECEIVING THIS UNIT BACK FROM O/H, IT STARTED SEEPING OIL. THOUGHT IT WAS LEAKING FROM THE SCAV PUMP, REMOVED THE PUMP AND INSTALLED NEW PACKINGS. UNIT STARTED TO SEEP OIL AGAIN SHORTLY AFTER REPAIR. CHECKED PACKINGS ON SCAV PUMP AGAIN & FO
- [SDR CA091109007](https://openairdocs.org/sdr/CA091109007.md): Indicator · misrepaired · Nov 6, 2009 · Bell 206L · Engine EGT/TIT Indicating System
  > (CAN) RECEIVED THIS INDICATOR FROM O/H AND IT WAS FOUND TO BE INDICATING 300 DEGREES CELSIUIS TO HIGH UPON INSTALLATION AND TEST. WE ARE ASSUMING THIS PROBLEM WAS DUE TO POOR QC OR DAMAGE DUE TO SHIPPING BUT THE BOX THE T.O.T. INDICATOR CAME IN LOOKED UNDAMAG
- [SDR CA090304008](https://openairdocs.org/sdr/CA090304008.md): Bearing · damaged · Feb 27, 2009 · Bell 206L · Main Rotor Head
  > (CAN) RECEIVED MAIN ROTOR HUB FOR REPLACEMENT OF TIME EXPIRED COMPONENTS. WHEN DISASSEMBLED FOUND THAT BOTH OTBD EXCLUDERS IN GRIP ASSEMBLIES WERE NO LONGER RETAINING THE LUBRICANT AND ALLOWING IT TO PASS INTO THE YOKE SPINDLE BORES. THE INBD BEARING CONTACT A
- [SDR CA081017007](https://openairdocs.org/sdr/CA081017007.md): Governor · malfunctioned · Oct 17, 2008 · Bell 206L · Turbine Governor
  > (CAN) UPON REMOVAL OF THE GOVERNOR IT WAS NOTED THAT THE DRIVE GEAR HAD COME SEPARATED. ALL PARTS WERE FOUND IN THE DRIVE GEAR FOR THE GOVERNOR. THERE WAS DIFFICULTY GETTING FULL RANGE OF THE GOVERNOR, COULD NOT ADJUST FOR 100 PERCENT ON THE GROUND. THE DRIVE
- [SDR CA080625005](https://openairdocs.org/sdr/CA080625005.md): Blade · delaminated · Jun 12, 2008 · Bell 206L · Main Rotor Blades
  > (CAN) DELAMINATION AT ROOT OF BLADE ON UPPER SURFACE OF THE GIP PLATE FINGER. VISUAL SEPARATION NOTED ON DAILY INSP.
- [SDR CA080603005](https://openairdocs.org/sdr/CA080603005.md): Pump · malfunctioned · Jun 2, 2008 · Hughes 369E · Engine Fuel Pump
  > (CAN) REINFORCED PAPER WIPERS LEFT IN THE FUEL TANK AFTER WORK CARRIED OUT. DURING A 300 HOUR INSP, THERE WAS SIGNIFICANT FUZZ LIKE DEBRIS FOUND IN THE ENGINE DRIVEN FUEL PUMP FILTER THAT WAS A BLUISH COLOR. WHEN PICKING UP THE HELICOPTER AT THE SERVICE CTR
- [SDR CA080103007](https://openairdocs.org/sdr/CA080103007.md): Bolt · broken · Jan 3, 2008 · Bell 206L · Tail Rotor Control System
  > (CAN) ON INSPECTION OF THE AIRCRAFT IT WAS NOTED THAT THE (1) OF THE (3) BOLTS WAS BROKEN AND THE OTHERS SHOWED SIGNS OF CORROSION ALL (3) BOLTS WHERE REPLACED WITH NEW. (TC NR 20080103007)
- [SDR CA071029004](https://openairdocs.org/sdr/CA071029004.md): Housing · cracked · Aug 9, 2007 · Bell 206L · Main Rotor Gearbox
  > (CAN) OIL FOUND ON TRANSMISSION DECK AFTER BRIEF DAILY INSPECTION, OIL LEAK FOUND FROM THE BOTTOM OF THE TRANSMISSION. UPON FURTHER INVESTIGATION TRANSMISSION REMOVED AND BOTTOM CASING FOUND TO BE CRACKED AT LOWER MAST SUPPORT BRG. (TC NR 20071029004)
- [SDR CA070726003](https://openairdocs.org/sdr/CA070726003.md): Sleeve · cracked · Jul 9, 2007 · Bell 206L · Fuel Control/Turbine Engines
  > (CAN) PILOT STARTING A/C, THROTTLE OPENED, NO ENGINE LIGHT OFF OCCURED. OPENED ENGINE COWL TO INVESTIGATE, NOTICED FUEL DRIPPING FROM AROUND START DE-RICHMENT ADJUSTMENT OF FCU, ONTO THE STARTER GENERATOR. CONTACTED MAINTENANCE PERSONNEL TO INVESTIGATE. FUEL C
- [SDR CA070327009](https://openairdocs.org/sdr/CA070327009.md): Gearbox · leaking · Mar 13, 2007 · Bell 206L · Tail Rotor Gearbox
  > (CAN) OIL LEAK. SHIPPED TO AUTHORIZED SERVICE CENTER FOR REPAIR AND RE-INSTALLATION. (TC NR 20070327009)
- [SDR CA061120001](https://openairdocs.org/sdr/CA061120001.md): Switch · leaking · Nov 4, 2006 · Bell 206L · Fuel Flow Sensor
  > (CAN) REMOVED LT FUEL FLOW SWITCH DUE TO LEAKING. INSTALLED FUEL FLOW SWITCH PN 205-061-635-005 SN 9607 (TC NR 20061120001).
- [SDR CA061117001](https://openairdocs.org/sdr/CA061117001.md): Transducer · reads low · Nov 3, 2006 · Bell 206L · Fuel Pressure Sensor
  > (CAN) UNDER READING FUEL PRESSURE. REMOVED AND INSTALLED REPLACEMENT PRESSURE TRANSDUCER PN BSE 206-30G SN2617-1-251 (TC NR 20061117001)
- [SDR CA051012007](https://openairdocs.org/sdr/CA051012007.md): Hinge · broken · Sep 27, 2005 · Bell 206L · Accessory Compartment Doors
  > ON APPROACH WITH A SLING LOAD THE BATTERY DOOR OPEN AT A SPEED OF 60 MPH AND THE DOOR HINGE BROKE. THE DOOR STAYED ATTACH TO THE AIRCRAFT BY THE SPRING P/N 206-031-155-005. NO OTHER DAMAGES HAVE BEEN FOUND ON THE AIRCRAFT. AFTER INVESTIGATION, THE HINGE P/N
- [SDR CA050617004](https://openairdocs.org/sdr/CA050617004.md): Seal · leaking · May 27, 2005 · Bell 206L · Engine/Transmission Coupling
  > (CAN) REPLACED SEAL DUE TO LEAKING OIL. (FREEWHEEL)
- [SDR CA050511004](https://openairdocs.org/sdr/CA050511004.md): Fan · damaged · Apr 19, 2005 · Bell 206L · Starter-Generator
  > THE COOLING FAN IN THE STARTER GEN DEVELOPED A CRACK IN THE FAN BLADE PART (4 BLADES ARE STAMPED FROM ONE ALUMINUM PIECE, AND SWAGED ON A STEEL HUB) AT THE NOTCH BETWEEN TWO BLADES. UNDER CENTRIFUGAL FORCE AT 12,000 RPM, THE BLADES SPLIT IN TWO AND CAME OFF T
- [SDR CA041222006](https://openairdocs.org/sdr/CA041222006.md): Turbine · failed · Dec 9, 2004 · Bell 206L · Turbine Section
  > (CAN) CHIP LIGHT AND ENGINE VIBRATION. PRECAUTIONARY LANDING. ON SUBSEQUENT INSPECTION, TURBINE FOUND TO HAVE FAILED. EXHAUST STACKS AND COMBUSTION LINER FOUND CRACKED. REMOVED TURBINE AND INSTALLED SERVICEABLE TURBINE, EXHAUST STACKS AND COMBUSTION LINER
- [SDR CA040623009](https://openairdocs.org/sdr/CA040623009.md): Blade · perforated · Jun 23, 2004 · Bell 206L · Tail Rotor Blades
  > (CAN) WHILE CARRYING OUT REQUIREMENTS OF AD CF-2004-05(BHTC ASB 206L-04-127 REV A) A PIN HOLE IN THE EPOXY FILLER, APPROXIMATELY.012 IN. DIA, INTRUDING INTERNALLY, WAS FOUND. WATER WAS OBSERVED DRAINING FROM THE HOLE. BLADE HAS BEEN SCRAPPED.
- [SDR CA040727008](https://openairdocs.org/sdr/CA040727008.md): Washer · missing · Jun 3, 2004 · Bell 206L · Cargo Compartments
  > (CAN) AFTER FINDING MISSING CARRIAGE ROLLER WASHERS ON ANOTHER LONG RANGER, INSPECTED AND FOUND IT TO BE THE SAME, NO WASHERS.
- [SDR CA040603007](https://openairdocs.org/sdr/CA040603007.md): Turbine · locked · Jun 2, 2004 · Bell 206L · Turbine Section
  > (CAN) TURBINE HAD AN N2 LOCK UP. SUSPECT UNKNOWN AT THIS TIME. TURBINE SENT TO OVERHAUL SHOP FOR ASSESSMENT.
- [SDR CA040428004](https://openairdocs.org/sdr/CA040428004.md): Elt · failed · Apr 19, 2004 · Bell 206L · Emergency Locator Beacon
  > (CAN) UPON ANNUAL RE-INSPECTION FOR RE-CERTIFICATION PURPOSES, AVIOINICS SHOP REPORTED ELT S/N 353494 FAILS TEST PROBABLY DUE TO A BAD CRYSTAL. UPON BEING ADVISED THAT A COMPANY DOES NOT SUPPLY PARTS, OPERATOR PURCHASED AND INSTALLED A NEW ELT ONTHE AIRCRAFT.
- [SDR CA040806007](https://openairdocs.org/sdr/CA040806007.md): Fitting · misinstalled · Apr 17, 2004 · Bell 206L · Engine Mount Section
  > (CAN) AFTER A VISUAL INSPECTION, ENGINE GB MOUNT FITTING 206-063-110-003 (RT) AND FITTING 206-063-110-001 (BOTTOM) WERE FOUND INTERMIXED. BOTTOM FITTING IS 0.4 INCH LONGER THAN THE SIDE ONES. REINSTALLED THE FITTINGS PROPERLY AFTER INSPECTION OF THE A/F ENG
- [SDR CA040427014](https://openairdocs.org/sdr/CA040427014.md): Coupling · worn · Apr 14, 2004 · Bell 206L · Turbine Engine Oil System
  > (CAN) UPON INSPECTION, SPLINE/COUPLING P/N 9A1424 WAS FOUND WORN. REMOVED OIL PUMP AND TACH GENERATOR AND MATING COUPLING P/N 9A1424 FOR INSPECTION AND REPAIR. REPLAC ED WITH NEW GLOBE TACH GEN P/N 22A650 S/N 6209 AND OHC OIL PUMP P/N 206-140-190-005 S/N SPF
- [SDR 2004FA0000269](https://openairdocs.org/sdr/2004FA0000269.md): Gauge · inaccurate · Feb 14, 2004 · N1726B · Hughes 369E · Engine BMEP/Torque Indicating
  > PILOT REPORTED OPERATIONAL EXCEEDANCE DURING FLIGHT RETURNED AC TO HELIPORT. UPON FURTHER INSPECTION AND EVALUATION IT WAS DETERMINED THAT THE DIAMOND J. TORQUE GAUGE WAS READING APPROX 15 LBS. LOW. AT 60 KNOTS AIRSPEED TORQUE READING 26-27 LBS. NORMAL READI
- [SDR CA031126009](https://openairdocs.org/sdr/CA031126009.md): Pin · broken · Nov 24, 2003 · Hughes 369D · Tail Rotor Blades
  > (CAN) BLADE PIN FOUND TO BE BROKEN WHERE THREAD MEETS THE PIN.
- [SDR CA031017004](https://openairdocs.org/sdr/CA031017004.md): Fuel Control · failed · Oct 4, 2003 · Hughes 500N · Fuel Control/Turbine Engines
  > (CAN) AFTER LANDING, THROTTLE WAS SNAP ROLLED TO IDLE. N2 WAS NR IMMEDIATELY INCREASED TO 105 PERCENT AND STABILIZED. ENGINE WAS SHUT DOWN BY ROLLING THROTTLE TO CUT OFF. NOTE: ENGINE WAS DUE FOR HOT SECTION, SO RENTAL WAS INSTALLE4D. SUSPECT ENGINE, FCU AND G
- [SDR CA030903005](https://openairdocs.org/sdr/CA030903005.md): Bearing · failed · Aug 18, 2003 · Hughes 369E · Tail Rotor Gearbox
  > (CAN) AS DESCRIBED ABOVE ROLLER BEARING PN 369D25146 INNER RACE FAILURE. IN THIS CASE THIS FAILURE WAS DETECTED BY THE AIRCRAFTS WARNING SYSTEM. THE AIRCRAFT WAS FOR CED TO MAKE AN UNSCHEDULED LANDING. THE FAILURE OF THIS P/N BEARING HAS BEEN SEEN ON MORE THAN
- [SDR CA030612005](https://openairdocs.org/sdr/CA030612005.md): Case · cracked · Jun 12, 2003 · Bell 206L · Turbine Engine Combustion Section
  > (CAN) ROUTINE INSPECTON AND CHANGING FUEL NOZZLE IT WAS SUSPECTED THAT THERE WAS A CRACK ALONG THE WELD WHERE THE FUEL NOZZLE ADAPTER IS ATTATCHED TO THE END OF OUTER COMBUSTION CASE. ON CLOSER INSPECTION IT WAS NOTED THAT THE CRACK COVERED OVER HALF OF THE W
- [SDR CA030612006](https://openairdocs.org/sdr/CA030612006.md): Case · cracked · Jun 12, 2003 · Bell 206L · Turbine Engine Combustion Section
  > (CAN) AFTER INPSECTION WITH THE ENGINE RUNNING A LEAK CHECK WAS CARRIED OUT BY PLACING A HAND IN AREA OF THE FUEL NOZZLE AND AIR WAS FELT. THE ENGINE WAS SHUT DOWN AND A CLOSE INSPECTION WAS CARRIED OUT IN THE AREA OF WHERE THE NOZZLE ADAPTER PLATE IS WELDED T
- [SDR CA031031006](https://openairdocs.org/sdr/CA031031006.md): Governor · failed · Jun 12, 2003 · Bell 206L · Turbine Governor
  > (CAN) NR DROOPING TO 97 WITHOUT RECOVERY UNDER POWER AND OVER SPEEDING TO 107 WHEN POWER REDUCED.
- [SDR CA030312016](https://openairdocs.org/sdr/CA030312016.md): Bearing · making metal · Feb 12, 2003 · Hughes 500N · Turbine Section
  > (CAN) DURING A FLIGHT THE ENGINE CHIP LIGHT ILLUMINATED, THE PILOT LANDED AND THE LOWER CHIP PLUG WAS INSPECTED AND HAD SHINY PARTICLES ON IT. THE AIRCRAFT WAS GROUND RUN FOR 15 MINUTES AND SENT BACK FLYING. THE NEXT DAY HE FLEW FOR 1 HOUR AND HAD ANOTHER CHI
- [SDR CA030210004](https://openairdocs.org/sdr/CA030210004.md): Servo · leaking · Jan 30, 2003 · Bell 206L · Hydraulic System, Main
  > (CAN) HYDRAULIC SERVO LEAKING. REMOVED FOR REPAIR.
- [SDR CA030127001](https://openairdocs.org/sdr/CA030127001.md): Turbine · seized · Jan 13, 2003 · Bell 206L · Turbine Section
  > (CAN) DURING FIRST START OF THE ENGINE, FOLLOWING A TURBINE CHANGE, MAIN ROTOR BLADES INITIALLY STARTED TURNING BUT THEN STOPPED BEFORE ENGINE ACCELERATED TO IDLE SPEED. THE START WAS ABORTED.AME ATTEMPTED TO TURN THE MAIN ROTOR BLADES BACKWARDS BUT WAS UNABLE
- [SDR CA020412012](https://openairdocs.org/sdr/CA020412012.md): Bushing · worn · Apr 6, 2002 · Bell 206L · Main Rotor Transmission Mount
  > (CAN) TRANSMISSION STOP MOUNT HAS WORN BUSHINGS. REPLACED.
- [SDR CA011211013](https://openairdocs.org/sdr/CA011211013.md): Strut · cracked · Dec 4, 2001 · Hughes 500N · Nose/Tail Landing Gear Strut/Axle
  > (CAN) CRACK FOUND ON UPPER PART OF STRUT AROUND THE BRACE ATTACHMENT HOLE.
- [SDR CA010725022](https://openairdocs.org/sdr/CA010725022.md): Arm · damaged · Jul 3, 2001 · Bell 206L · Engine Bleed Air System
  > (CAN) FOUND NUT OF ACTUATOR ARM LOOSE IN ARM. UNIT REPLACED AND AIRCRAFT RETURNED TO SERVICE AFTER ADJUSTMENTS.
- [SDR CA010725023](https://openairdocs.org/sdr/CA010725023.md): Fitting · cracked · Jul 3, 2001 · Bell 206L · Rotorcraft Tail Boom
  > (CAN) THE FITTING HAD TO BE REPLACED DUE TO CRACK. IT APPEARS TO HAVE CRACKED DUE TO INCORRECT INSTALLATION. THERE WAS A 100 INCH GAP BETWEEN THE LONGERON AND THE FITTING AND THIS PLACED THE FITTING UNDER STRESS. THE FITTING WAS REPLACED BY A NEW PART WITH CAR
- [SDR CA010725031](https://openairdocs.org/sdr/CA010725031.md): Hose · leaking · Jul 3, 2001 · Bell 206L · Fuel Storage
  > (CAN) DURING REFUELING OPERATION, FUEL WAS OBSERVED LEAKING FROM TANK VENT HOSE ASSEMBLY WHEN TANK WAS FILLED TO CAPACITY. HOSE APPEARS TO HAVE DETERIORATED WITH AGE ALLOWING FUEL TO LEAK. DUE TO THIS DEFECT ANOTHER AIRCRAFT WAS VERIFIED BY PRESSURE TESTING TH
- [SDR CA010704025](https://openairdocs.org/sdr/CA010704025.md): Shaft · corroded · Jun 28, 2001 · Bell 206L · Engine/Transmission Coupling
  > (CAN) DURING AN UNSCHEDULED MAINTENANCE REMOVAL OF THE UNIT IT WAS NOTED THAT THERE WAS EXCESSIVE PITTING CORROSION ON THE INNER SHAFT IN THE AREA WHERE THE FELT WIPER OF THE FORWARD SEAL RIDES. THE WIPER APPEARS TO ABSORB MOISTURE AND HOLDS IT IN CONTACT WITH
- [SDR CA000511016](https://openairdocs.org/sdr/CA000511016.md): Bearing · making metal · May 4, 2000 · Bell 206L · Turbine Engine Compressor Section
  > (CAN) NR 1 COMPRESSOR ROLLER BEARING MAKING METAL.
- [SDR CA000511026](https://openairdocs.org/sdr/CA000511026.md): Hook · wrong part · Feb 17, 2000 · Bell 206L · Fuselage, Seat/Cargo Attach Fittings
  > (CAN) ROTORCRAFT WAS CARRYING A SKIDOO ON THE CARGO HOOK WHEN THE PILOT FELT IT RELEASE. RETURNED TO BASE WHERE THE HOOK AND MECHANICAL AND ELECTRICAL RELEASES WERE CHECKED. AS A PRECAUTIONARY MEASURE, THE HOOK WAS REPLACED. THE REMOVED ASSY WAS TESTED AS P
- [SDR CA000209070](https://openairdocs.org/sdr/CA000209070.md): Mast · blistered · Jan 30, 2000 · Hughes 369E · Main Rotor Mast/Swashplate
  > (CAN) INTERNAL EXAMINATION OF THE MAST REVEALED CORROSION APPROX 1/2 TO 2/3 UP FROM THE BOTTOM SIDE OF THE MAST BORE. CADMIUM PLATING APPEARED TO BE SEPARATING AND BLISTERING THE ZINC CHROMATE PRIMER. MAST WAS THEN STRIPPED, CLEANED, INSPECTED AND GIVEN A COA
- [SDR CA990817025](https://openairdocs.org/sdr/CA990817025.md): Igniter · failed · Aug 6, 1999 · Bell 206L · Spark Plug/Igniter
  > (CAN) ROTORCRAFT WOULD NOT START. PROBLEM WAS WITH FAULTY IGNITER PLUG.
- [SDR CA990531004](https://openairdocs.org/sdr/CA990531004.md): Compressor · failed · May 13, 1999 · Bell 206L · Turbine Engine Compressor Section
  > (CAN) IN CRUISE AT 5,300 FEET, WITH AUTO-LIGHT AND ANTI-ICE SELECTED ON, A LOUD EXPLOSION WAS HEARD FOLLOWED BY AN IMMEDIATE YAW TO THE LEFT. THE ENGINE HORN ALSO BECAME AUDIBLE, SO AN AUTO ROTATION WAS CARRIED OUT. ON DESCENT, THE TAIL ROTOR CONTACTED THE T

Next page: https://openairdocs.org/engine/allison-250-c20r-2/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 = '250C20R2'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/allison-250-c20r-2/reports

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