# Service difficulty reports: Allison 250-C20R

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

Newest first. General aviation reporting is voluntary.

Page 1 of 3 · 111 reports

- [SDR X2RA2020010800000](https://openairdocs.org/sdr/X2RA2020010800000.md): Governor · failed · Nov 7, 2019 · N717MA · Hughes 369 · Turbine Governor
  > LOW SIDE GOVERNOR FAILURE, EPO ILLUMINATED, N1, N2, TORQUE DROP INDICATOR LOSS OF POWER. PILOT LANDED IMMEDIATELY WITHOUT INCIDENT. UPON POWER DOWN THE PILOT LOWERED THE COLLECTIVE AND THE RPM SEEMED TO SPOOL UP AND FLUCTUATE. PILOT ROLLED THROTTLE TO IDLE
- [SDR CA190704013](https://openairdocs.org/sdr/CA190704013.md): Lock Pin · inoperative · Jul 3, 2019 · Bell 206L · Rotorcraft Flight Control
  > (CAN) WE RECENTLY BOUGHT AND INSTALLED THE DART TAIL ROTOR PEDAL LOCK OUT KIT IN OUR BELL 206L AND 407.. YESTERDAY, IN FLIGHT THE PASSENGER TOUCHED THE AFT END OF THE ROD (FIG 3.2 OF DART INN-D119-827) AND IT POPPED OF THE LOCK PIN ALLOWING THE PEDAL TO FALL F
- [SDR CA160108005](https://openairdocs.org/sdr/CA160108005.md): Turbine · failed · Jan 4, 2016 · Bell 206L · Turbine Section
  > (CAN) TURBINE HAD A CATASTROPHIC FAILURE, ACFT AUTO ROTATED TO A CLEARING. 1 MAIN ROTOR BLADE RECEIVED MINOR DAMAGE FROM TURBINE PIECES, NO OTHER ACFT DAMAGE.
- [SDR CA151007019](https://openairdocs.org/sdr/CA151007019.md): Gearbox · making metal · Oct 7, 2015 · Bell 206L4 · Main Rotor Gearbox
  > (CAN) DURING SHUTDOWN, PILOT REPORTED AN UNFAMILIAR METALLIC NOISE FOLLOWED SHORTLY BY ILLUMINATION OF THE COMBINING GEARBOX CHIP LIGHT. INSPECTION OF THE CHIP PLUG REVEALED METAL PARTICLES IN EXCESS OF ALLOWABLE, ACFT GROUNDED. COMBINING GEARBOX IS APPROXIM
- [SDR CA150421002](https://openairdocs.org/sdr/CA150421002.md): Starter Gen · failed · Apr 9, 2015 · Bell 206L · Starter-Generator
  > (CAN) SPECIFIC PART CAUSING DIFFICULTY: STARTER GENERATOR VOLTAGE REGULATOR. STARTER GENERATOR WENT OFFLINE. REMOVED BOTH STARTER GENERATOR & VOLTAGE REGULATOR & REPLACED WITH IDENTICAL PN SERVICEABLE PORTS.
- [SDR CA150217005](https://openairdocs.org/sdr/CA150217005.md): Stiffener · cracked · Jan 29, 2015 · Bell 206L · Fuselage Miscellaneous Structure
  > (CAN) FOUND 3 CM CURVED HORIZONTAL CRACK ALONG LT LOWER SIDE AND 3.5 CM CURVED HORIZONTAL CRACK ALONG RT SIDE OF HORIZONTAL STIFFENER. ALSO, FOUND 0.5 CM CRACK FROM RT SIDE OF UPPER RT RIVET HOLE TO RT SIDE OF PART ON UPPER SIDE OF HORIZONTAL STIFFENER. CRAC
- [SDR CA150122007](https://openairdocs.org/sdr/CA150122007.md): Turbine Wheel · cracked · Oct 14, 2014 · Bell 206B · Turbine Section
  > (CAN) THE PILOT HAD REPORTED N2 LOCKUP. DURING MAINTENANCE THE ENGINE WAS DISASSEMBLED TO HAVE THE ENGINE GEARBOX REPAIRED AND TO SEND THE TURBINE FOR INSPECTION TO DETERMINE THE CAUSE OF THE N2 LOCKUP. THE TURBINE WAS SENT FOR INSPECTION. DURING THE INSPEC
- [SDR CA140918013](https://openairdocs.org/sdr/CA140918013.md): Nozzle · cracked · Sep 16, 2014 · Bell 206L · Turbine Section
  > (CAN) TURBINE MODULE SENT IN FOR O/H. DURING PART INSPECTION AFTER UNIT DISASSEMBLY THE NOZZLE WAS SCRAPPED FOR OUTER BAND CRACKS AS WELL AS FILLET CRACK AT THE VANE AREAS. THE DIAPHRAGM WAS ALSO DISCOVERED CRACKED THRU AT ABOUT 80 PERCENT OF THE UNITS CIRCU
- [SDR CA140717014](https://openairdocs.org/sdr/CA140717014.md): Fuel Control · malfunctioned · Jul 4, 2014 · Bell 206L · Fuel Control/Turbine Engines
  > (CAN) THIS ACFT WAS OUT FLYING FOR THE DAY AND WHEN IT RETURNED TO BASE AND THE PIC DECREASED THE THROTTLE TO GROUND IDLE THE ENGINE WENT PAST IDLE AND SHUTDOWN. ALL ACFT THROTTLE CONTROL RIGGING WAS CHECKED AND FOUND TO BE SERVICEABLE MM. PX AND PY ORFICES
- [SDR CA140627006](https://openairdocs.org/sdr/CA140627006.md): Starter Gen · inoperative · Jun 19, 2014 · Aerosp AS355F2 · Starter-Generator
  > (CAN) AFTER ATTEMPTING TO START RT ENGINE, A SMALL NOISE OCCURRED BUT THE ENGINE DID NOT ROTATE, MUCH LESS START.
- [SDR CA140527010](https://openairdocs.org/sdr/CA140527010.md): Throttle Cable · damaged · May 26, 2014 · Bell 206L · Power Lever
  > (CAN) PILOT WAS STARTING ACFT. WHEN HE GOT TO 62 N1 HE LT OFF OF THE START SWITCH ACFT IMMEDIATELY WENT TO 110 NR. TORQUE WENT AS HIGH AS 90 PERCENT. HE CLOSED THE FUEL VALVE AND TURNED OFF THE BOOST PUMPS. 110 NR FOR ABOUT 5 SECONDS BEFORE THE FUEL RAN
- [SDR CA140522006](https://openairdocs.org/sdr/CA140522006.md): Indicator · stuck · May 12, 2014 · Bell 206L · Engine BMEP/Torque Indicating
  > (CAN) TORQUE INDICATOR WOULD NOT INDICATE DUE TO NEEDLE "FROZEN" NOT MOVING. REMOVED SN 302 AND INSTALLED PN 206-075-185-003, TSI 0.0.
- [SDR CA140522010](https://openairdocs.org/sdr/CA140522010.md): Bushing · worn · May 12, 2014 · Bell 206L · Main Rotor Gearbox
  > (CAN) TORQUE TRANSMISSION RESTRAINT DUE TO EXCESSIVE PLAY. REMOVED LT STOP ASSY DUE TO WORN BUSHINGS. INSTALLED NEW & SERVICEABLE TSI 0.0 PARTS IN COMPLIANCE WITH TB 206L-94-1971.
- [SDR CA130724008](https://openairdocs.org/sdr/CA130724008.md): Circuit Breaker · tripped · Jun 27, 2013 · Bell 206L4 · Engine Oil System Wiring
  > (CAN) DURING FLIGHT, THE PILOT SAW THAT THE NR 1 ENGINE OIL TEMP REACHED 119 DEGREES C FOR 2 MINUTES AND THAT THE CB1, CB17 POPPED OUT. IT`S ALWAYS HAPPENED WHEN THE HELICO IS IN STATIONNARY FLIGHT POSITION FOR A LONG PERIOD AND THE OUTSIDE TEMP IS HIGH, ABO
- [SDR CA130506008](https://openairdocs.org/sdr/CA130506008.md): Governor · malfunctioned · May 2, 2013 · Bell 206L · Turbine Governor
  > (CAN) DURING TAKEOFF, PILOT REPORTS N2 DROOP FROM 100 PERCENT TO 98 PERCENT. PILOT TRIED TO ACTUATE THE GOVERNOR BACK TO 100 PERCENT, AT THAT POINT IT DROPPED FURTHER TO 95-96 PERCENT. PILOT ENTERED AUTO ROTATION AND LANDED ON A LOGGING ROAD. NO DAMAGE TO A
- [SDR CA130416018](https://openairdocs.org/sdr/CA130416018.md): Switch · leaking · Apr 4, 2013 · Bell 206L · Fuel Flow Sensor
  > (CAN) FUEL LEAKING FROM FUEL FLOW SWITCH. REPLACED WITH SERVICEABLE SWITCH.
- [SDR CA121011009](https://openairdocs.org/sdr/CA121011009.md): Filter · broken · Oct 7, 2012 · Bell 206L · Aircraft Fuel Filter/Strainer
  > (CAN) DURING START CYCLE, PILOT HEARD A BANG. HE ABORTED THE START AND WENT TO LOOK FOR THE SOURCE OF THE NOISE. UPON OPENING ENGINE COWLING HE SAW FUEL POURING OUT OF THE AIR FRAME FUEL FILTER BOWL. PILOT RETURNED TO COCKPIT AND SHUTOFF BOOST PUMPS. HE REM
- [SDR 2012FA0000218](https://openairdocs.org/sdr/2012FA0000218.md): Indicator · failed · Mar 7, 2012 · N2196J · Bell 206B · Main Rotor Gearbox
  > DURING ROUTINE INSPECTION, DISCOVERED THAT AFTER MAIN ROTOR TRANSMISSION OIL WAS DRAINED, OIL LEVEL INDICATED FULL. OIL LEVEL SIGHT GLASS REMOVED. INSPECTION OF THE OIL LEVEL INDICATOR REVEALED COATING WITH LEVEL MARKINGS HAD SEPARATED FROM THE METALLIC BAC
- [SDR CA120113009](https://openairdocs.org/sdr/CA120113009.md): Blade · delaminated · Jan 11, 2012 · Bell 206B · Main Rotor Blades
  > (CAN) BEST DESCRIBE THIS DEFECT AS A CONVEX BUBBLE DELAMINATION IN THE SKIN OF THE BLADE. DEFECT IS FOUND ON BOTH TOP AND BOTTOM OF BLADE, SAME SIZE AND SHAPE FOR BOTH. DEFECT LOCATION IS FOUND 9.5" INBD FROM THE BLADE TIP, AND 2" FORWARD FROM THE T/E. THE
- [SDR CA110718013](https://openairdocs.org/sdr/CA110718013.md): Fan · failed · Jun 30, 2011 · Bell 206L4 · Rotorcraft Cooling Fan System
  > DURING A FLIGHT THE PILOT REPORT SHUTDOWN NR 2 ENGINE BECAUSE OF OIL OVERTEMP UP TO 150 DEGREES AND ABOVE 120 DEGREES FOR 2 MIN. LANDED SAFELY. CAUSE WAS COOLER FAN FAILED. T
- [SDR CA110321007](https://openairdocs.org/sdr/CA110321007.md): Bearing · broken · Mar 18, 2011 · Aerosp AS355F2 · Turbine Engine Accessory Drive
  > (CAN) ENG CHIP LIGHT EXPERIENCED. SERVICEABILITY CHECK CARRIED OUT. ENG CHIP LIGHT EXPERIENCED. GEARBOX REMOVED, DISCOVERED OUTER RACER OF NR 4 BEARING BROKEN. GEARBOX REPLACED.
- [SDR CA101202014](https://openairdocs.org/sdr/CA101202014.md): Disc Pack · cracked · Nov 28, 2010 · Bell 206L4 · Tail Rotor Drive Shaft
  > UPON INSP OF THE TAIL ROTOR DRIVESHAFT COUPLINGS, 1 DISK IN THE COUPLING DISK PACK, 2ND FROM THE FRONT, WAS FOUND TO HAVE CRACKED. CRACK DISCOVERED AT AFT 2094.4. DISK PACK CHANGED OUT.
- [SDR CA101116010](https://openairdocs.org/sdr/CA101116010.md): Pump · damaged · Nov 7, 2010 · Bell 206L · Fuel Boost Pump
  > EXCESSIVE NOISE ON START ATTEMPT. REMOVED FUEL PUMP T 1061006 + TRACED NOISE TO FUEL PUMP. SEND TO O/H SHOP. INSTALLED ANOTHER TSO 0.0 UNIT NDF.
- [SDR CA101115021](https://openairdocs.org/sdr/CA101115021.md): Solenoid · burned · Nov 5, 2010 · Bell 206L · Cargo Compartments
  > (CAN) BLEW CIRCUIT BREAKER. ON INSPECTION, SOLENOID WAS BURNT. SENT TO O/H SHOP. INSTALLED TSO 0.0 UNIT.
- [SDR CA100927010](https://openairdocs.org/sdr/CA100927010.md): Bearing · spalled · Sep 15, 2010 · Bell 206L · Main Rotor Gearbox
  > TRANSMISSION CHIP LIGHT CAUSED BY STEADY BEARING ON INPUT PINION.
- [SDR CA100927011](https://openairdocs.org/sdr/CA100927011.md): Bearing · spalled · Jul 23, 2010 · Bell 206L · Turbine Engine Accessory Drive
  > ENGINE CHIP LIGHT CAUSED BY 2.5 BEARING.
- [SDR CA100430004](https://openairdocs.org/sdr/CA100430004.md): Clutch · seized · Apr 26, 2010 · Bell 206L · Engine/Transmission Coupling
  > (CAN) UNUSUAL NOISE DETECTED BY THE PILOT ON SHUT DOWN. FURTHER INVESTIGATION REVEALS SEIZED FREEWHEEL. FREE WHEEL REMOVED AND SENT TO INVESTIGATION TO SKYLINE HELICOPTERS. A REPORT WILL BE SUBMITED SHORTLY.
- [SDR CA091013003](https://openairdocs.org/sdr/CA091013003.md): Blade · delaminated · Oct 10, 2009 · Bell 206L · Tail Rotor Blades
  > (CAN) DURING DAILY INSP PILOT NOTICED THE OTBD T/E SKIN WAS DELAMINATED 6 INCHES FROM THE TIP ON TAIL ROTOR BLADE PN 206-016-201-131, SN CS-12194 BLADE HAS 120.8 HOURS REMAINING BEFOR RETIREMENT. BOTH BLADES WERE REPLACE WITH NEW BLADES AND THE ASSY WAS BALANC
- [SDR CA091008004](https://openairdocs.org/sdr/CA091008004.md): Bearing · worn · Oct 8, 2009 · Bell 206L · Turbine Engine Reduction Gear
  > (CAN) ENGINE CHIP LIGHT FOUND PROBLEM WITH THE BALL BEARING ON THE POWER TAKEOFF OUTPUT SHAFT.
- [SDR CA090902006](https://openairdocs.org/sdr/CA090902006.md): Bearing · spalled · Aug 21, 2009 · Bell 206L · Fuselage Miscellaneous Structure
  > ENG CHIP LIGHT PROBLEM FOUND WITH THE BALL BRG ON THE PWR TAKEOFF OUTPUT SHAFT.
- [SDR CA090902007](https://openairdocs.org/sdr/CA090902007.md): Bearing · spalled · Aug 21, 2009 · Bell 206L · Main Rotor Gearbox
  > ENG CHIP LIGHT, FOUND PROBLEM WITH THE PWR TAKEOFF OUTPUT SHAFT BEARING, INNER AND OUTER RACE WORN.
- [SDR CA091103006](https://openairdocs.org/sdr/CA091103006.md): Bearing · failed · Jun 9, 2009 · Bell 206L · Turbine Engine Reduction Gear
  > (CAN) ENG WAS REMOVED AFTER METAL CONTAMINATION AND SENT TO A REPAIR FACILITY. THE 2.5 BEARING WAS FOUND TO HAVE SPALLED ROLLERS AND RACE AND WAS MISSING A ROLLER. THIS BEARING WAS A PMA PART PN 23034787AL SN TA NR 0511363 AND WAS INSTALLED NEW 385 HOURS AGO.
- [SDR CA090518001](https://openairdocs.org/sdr/CA090518001.md): Bearing · corroded · May 15, 2009 · Bell 206L · Main Rotor Head
  > (CAN) RECEIVED MAIN ROTOR HUB FOR 1200 HOUR INTERIM INSP. WHEN DISASSEMBLED FOUND BOTH OTBD EXCLUDERS IN GRIP ASSEMBLIES WERE NO LONGER RETAINING LUBRICANT AND ALLOWING IT TO PASS INTO THE YOKE SPINDLE BORES. THE YOKE SPINDLES INBD RACE AREA DID NOT HAVE SUF
- [SDR CA090505008](https://openairdocs.org/sdr/CA090505008.md): Chip Detector · contaminated · Apr 15, 2009 · Aerosp AS355* · Main Rotor Gearbox
  > (CAN) AFTER RECEIVING A COMPLETE TRANSMISSION ASSY FROM OVERHAUL FROM THE ORIGINAL EQUIPMENT VENDOR, A RECEIVING INSP WAS CARRIED OUT. THIS INSP INCLUDED VISUAL INSP OF THE GEARBOX ASSY CHIP PLUGS, OF WHICH THERE ARE TWO. THE UPPER CHIP PLUG, WHICH IS IN THE
- [SDR CA090512002](https://openairdocs.org/sdr/CA090512002.md): Bearing · worn · Apr 11, 2009 · Bell 206L · Turbine Section
  > (CAN) PILOT HAD A ENGINE CHIP LIGHT INDICATION, ENGINE WAS REPLACED, INSP REVEALED TURBINE NR 5 BEARING WAS WORN AND SOME BALLS MISSING.
- [SDR CA090401009](https://openairdocs.org/sdr/CA090401009.md): Bushing · cracked · Mar 31, 2009 · Bell 206L · Main Rotor Control
  > ROUTINE INSPECTION DISCOVERED A CRACK BETWEEN THE THROTTLE ARM BUSHING AND ROLL PIN ACCESS HOLE. COLLECTIVE ELBOW FOUND TO BE CORRECTLY INSTALLED AND NO OTHER DEFECTS NOTED. ELBOW ASSY REPLACED AND ACFT RETURNED TO SERVICE.
- [SDR CA090217004](https://openairdocs.org/sdr/CA090217004.md): Pump · failed · Feb 12, 2009 · Bell 206B · Hydraulic Pump (Electric/Engine), Main
  > (CAN) DURING NORMAL FLAT AND LEVEL CRUISE FLIGHT AT APPROX. 4000` ASL THE PILOT INITIATED A GENTLE RT TURN. UPON MOVING THE CYCLIC CONTROL THE PILOT NOTED ROUGH OPERATION AND FEEDBACK THROUGH THE CYCLIC GRIP. THE PILOT CUT HYD AND RESTORED THEM. THE CYCLIC MO
- [SDR CA081223003](https://openairdocs.org/sdr/CA081223003.md): Release Cable · separated · Dec 9, 2008 · Bell 206L · Cargo Compartments
  > (CAN) PILOT REPORTED UN-COMMANDED HOOK RELEASE (LOSS OF LEAD) UPON INSPECTION FOUND FAULTY MANUAL RELEASE CABLE WHEN HOOK PULLED TO FAR END OF SWAGED END SEPARATED CAUSING UNCOMMENDED HOOK RELEASE HOOK END CABLE REMOVED FROM A/C AND NEW CABLE ORDERED ALL OTHER
- [SDR CA080923004](https://openairdocs.org/sdr/CA080923004.md): Oil System · overtemp · Sep 22, 2008 · Bell 206L · Engine Oil Temperature
  > (CAN) ENGINE OIL TEMPERATURE INCREASED TO 100 DEG. C.
- [SDR CA080813002](https://openairdocs.org/sdr/CA080813002.md): Pitch Horn · loose · Aug 13, 2008 · Bell 206L · Tail Rotor Blades
  > (CAN) THE STUD WHICH HOLDS THE PITCH LINKS ONTO THE PITCH HORN CAME LOOSE. THIS CAUSED A VIBRATION FELT IN THE PEDALS. THE TAILROTOR HUB WAS 2400 HOURS TSO AND BLADES WERE 2300 TSN. THERE IS NO REQUIREMENT TO OVERHAUL THE PITCH HORNS SO NO RECORD AS TO TOTAL T
- [SDR CA080715007](https://openairdocs.org/sdr/CA080715007.md): Pitch Horn · damaged · Jul 15, 2008 · Bell 206B · Tail Rotor Blades
  > (CAN) THE PITCH HORN STUD FAILED WHILE INSTALLING A NUT P/N MS14145L5. A "CLICKER-TYPE" TORQUE WRENCH SET TO 60 INCH/LBS WAS USED TO INSTALL THE NUT. THE REQUIRED FINAL TORQUE FOR THIS NUT IS 50-60 INCH/LBS PLUS TARE. THE TIGHTENING TORQUE NEVER REACHED 60 INC
- [SDR 2007F00067](https://openairdocs.org/sdr/2007F00067.md): Shaft · sheared · Nov 6, 2007 · N400MB · Hughes 369E · Turbine Governor
  > ENGINE EXPERIENCED AN N2 OVERSPEED IN FLIGHT. PILOT REGAINED CONTROL WITH THROTTLE AND LANDED AIRCRAFT WITHOUT FURTHER INCIDENT. REMOVAL OF GOVERNOR FOUND INPUT SHAFT SHEARED WITH AN APPARENT INTERNAL CONTACT OF THE FLYWEIGHT TO THE GOV HOUSING.
- [SDR CA070814002](https://openairdocs.org/sdr/CA070814002.md): Blade · damaged · Jul 10, 2007 · Bell 206L · Main Rotor Blades
  > (CAN) UPON LANDING IN A BRUSH AREA, THE PILOT LOWERED THE COLLECTIVE, WHICH IN TURN RAISED (2) TREES THAT WERE SITUATED ON THE LEFT AND THEN HIT THE ROTOR DISK. THE PILOT THEN DISPLACED THE AIRCRAFT TO THE RT. AN ENGINE SHUTDOWN WAS PERFORMED AND VISUAL INSPE
- [SDR CA070518001](https://openairdocs.org/sdr/CA070518001.md): Lever · broken · May 14, 2007 · Aerosp AS355F2 · Power Lever
  > (CAN) PART BROKE IN (2) PIECES JUST ABOVE ATTACHMENT POINT DURING ENGINE PRE-START CHECK PROCEDURES. (TC NR 20070518001)
- [SDR CA061128001](https://openairdocs.org/sdr/CA061128001.md): Line · leaking · Nov 24, 2006 · Bell 206L · Fuel Storage
  > (CAN) DURING A SCHEDULED FLIGHT, FUEL FUMES WERE DETECTED IN REAR CABIN AREA. A/C RETURNED TO BASE WITH NO PROBLEMS NOTED. A/C INSPECTED AND FWD FUEL TANK VENT LINE FOUND WEEPING WHEN REAR TANK WAS FILLED TO CAPACITY. LINE REMOVED AND REPLACED. LINE INPECTED A
- [SDR CA061219004](https://openairdocs.org/sdr/CA061219004.md): Governor · erratic · Nov 21, 2006 · Bell 206L · Turbine Governor
  > (CAN) HIGH TIME GOVERNOR TSO 1889.2, REMOVED FOR O/H DUE TO ERRATIC RPM REPLACED WITH NEW GOVERNOR PN 23076061 SN HR47346 TSN 0:0 (TC NR 20061219004)
- [SDR CA061219005](https://openairdocs.org/sdr/CA061219005.md): Actuator · failed · Nov 21, 2006 · Bell 206L · Turbine Governor
  > (CAN) REMOVED LINEAR ACTUATOR PN 7185-13 SN 0296A DUE TO INTERNAL LOCKING CLIP FALLING OFF. INSTALLED SERVICEABLE USED LINEAR ACTUATOR PN 206-062-721-003 SN 11842. (TC NR 20061219005)
- [SDR CA061109006](https://openairdocs.org/sdr/CA061109006.md): Skin · cracked · Nov 9, 2006 · Bell 206L4 · Fuselage Main, Plate/Skin
  > (CAN) CRACK FOUND IN SKIN UNDER FWD BEARING OIL COOLER SUPPORT RT STA 192.00 BUTT 4.0. REPAIR WAS MADE IAW BHT-206-SRM-4-2 (TC NR 20061109006)
- [SDR CA061019004](https://openairdocs.org/sdr/CA061019004.md): Indicator · malfunctioned · Oct 3, 2006 · Bell 206L · Fuel Pressure Indicator
  > (CAN) FUEL PRESSURE OVER-READING. PEGS AT 30 PSI WITH BOTH PUMPS AND GENERATOR ON. REMOVED FOR REPAIR AT INSTRUMENT SHOP. (TC NR 20061019004)
- [SDR CA061019005](https://openairdocs.org/sdr/CA061019005.md): Indicator · leaking · Oct 3, 2006 · Bell 206L · Engine BMEP/Torque Indicating
  > (CAN) OIL IN GAUGE GLASS. REMOVED FOR REPAIR AT INSTRUMENT SHOP. (TC NR 20061019005)

Next page: https://openairdocs.org/engine/allison-250-c20r/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 = '250C20R'
ORDER BY difficulty_date DESC
```

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

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