# Service difficulty reports: Allison 250-C20J

A list on [Allison 250-C20J](https://openairdocs.org/engine/allison-250-c20j.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 2 · 58 reports

- [SDR 2025F00130](https://openairdocs.org/sdr/2025F00130.md): Drive Shaft · cracked · May 19, 2025 · N868JB · Bell 206B3 · Tail Rotor Drive Shaft
  > DURING 12 MONTH INSPECTION FOUND CRACKS RADIATING FROM WHERE THE RIVETS ARE INSTALLED ON EITHER END ON ONE OF THE SEGMENTED RIVETED DRIVE SHAFT ASSEMBLY. THIS WAS DETECTED WITH A 10X MAGNIFYING GLASS. THE OTHER SEGMENTED SHAFTS CHECKED OUT OK. PART WITH REPLAC
- [SDR R73A20210315001](https://openairdocs.org/sdr/R73A20210315001.md): Engine · making metal · Mar 8, 2021 · N134VG · Bell 206B · Engine (Turbine/Turboprop)
  > DURING CRUISE FLIGHT THE PILOT OBSERVED THE "ENGINE CHIP" CAUTION LIGHT ILLUMINATED. PIC LANDED SAFELY IN A NEARBY FOOTBALL FIELD. FOUND (1) SMALL METAL SLIVER ON THE ENGINE'S LOWER MAGNETIC PLUG.
- [SDR CA190726010](https://openairdocs.org/sdr/CA190726010.md): Indicator · malfunctioned · Jul 22, 2019 · Bell 206B · Tail Rotor Gearbox
  > (CAN) INDICATOR FOUND TO BE ROTATED IN TAIL ROTOR GEARBOX HOUSING. SIGHT GLASS REMOVED AND INDICATOR FOUND INSTALLED UPSIDE DOWN. UPSIDE DOWN INSTALLATION OCCURRED AT OVERHAUL OF TAIL ROTOR GEARBOX. UPSIDE DOWN INSTALLATION OF INDICATOR NEGATES THE LOCKING MEC
- [SDR 2017F00027](https://openairdocs.org/sdr/2017F00027.md): Blade · failed · Dec 4, 2016 · Bell 206B3 · Main Rotor Blades
  > DURING CLIMB 850 FEET, LATERAL VIBRATION CAME. LANDING PROCEDURES, AFTER VISUAL INSPECTION MAIN ROTOR BLADE TIP CAME OUT. AFTER DEEP INSPECTION AT HOME BASE, TELL-TALE WEIGHT SHEARED OFF INSIDE THE SPAR. CAUSING BLADE UNSERVICEABLE AFTER THIS EVENT.
- [SDR NKVR20150817001](https://openairdocs.org/sdr/NKVR20150817001.md): Support · cracked · Sep 8, 2015 · N206PL · Bell 206B · Fuselage Miscellaneous Structure
  > DURING INSPECTION, FOUND RT LG TUNNEL CRACKED, STATION 125, WL 21, RBL 13.5 & LBL 13.5, UPON FURTHER INSPECTION A CRACK IN THE SAME LOCATION WAS FOUND ON THE LT SIDE AS WELL. STOP DRILLED & FABRICATED REPAIR PARTS FROM NEW PART & INSTALLED IAW SRM 1 CHAPTER 5
- [SDR NKVR20150817002](https://openairdocs.org/sdr/NKVR20150817002.md): Support · cracked · Sep 8, 2015 · N206PL · Bell 206B · Fuselage Miscellaneous Structure
  > DURING INSPECTION, RT LG TUNNEL SUPPORT FOUND TO BE CRACKED.
- [SDR NKVR20150908001](https://openairdocs.org/sdr/NKVR20150908001.md): Stiffener · cracked · Sep 8, 2015 · N206PL · Bell 206B · Fuselage Miscellaneous Structure
  > DURING INSPECTION, STIFFENER FOUND TO BE CRACKED NEAR TAIL BOOM ATTACH INSPECTION PANEL.
- [SDR NKVR20150908002](https://openairdocs.org/sdr/NKVR20150908002.md): Stiffener · cracked · Sep 8, 2015 · N206PL · Bell 206B · Fuselage Miscellaneous Structure
  > DURING INSPECTION, STIFFENER NEAR TAIL BOOM ATTACH INSPECTION PANEL FOUND TO BE CRACKED.
- [SDR CA150827011](https://openairdocs.org/sdr/CA150827011.md): Bearing · failed · Aug 24, 2015 · Bell 206B · Main Rotor Gearbox
  > (CAN) ACFT WARNING SYSTEM INDICATED METAL CHIP GENERATION INSIDE MAIN TRANSMISSION. TRANSMISSION REMOVED FROM ACFT AND INVESTIGATION FOUND DUPLEX BEARING DETERIORATION.
- [SDR CA140826026](https://openairdocs.org/sdr/CA140826026.md): Rib · cracked · Aug 11, 2014 · Bell 206B · Rotorcraft Tail Boom
  > (CAN) WHEN CARRYING OUT A 300 HR INSPECTION ON THE ACFT, A CRACK WAS FOUND ON THE LT STABILIZER ATTACHMENT FITTING OF THE INBD RIB. THERE WERE NO DEFECTS FOUND ON THE ADJACENT TAILBOOM AREA. THIS ATTACHMENT FITTING ALLOWS FOR FASTENING THE STABILIZER TO THE
- [SDR 2013FA0000294](https://openairdocs.org/sdr/2013FA0000294.md): Engine · making metal · May 15, 2013 · Bell 206B3 · Engine (Turbine/Turboprop)
  > DURING FLIGHT, PILOT HEARD INCREASING "RUMBLING" NOISE. PILOT LANDED TO THE NEAREST LANDABLE SIDE APPROX 2 MIN AFTER THE NOISE STARTED. RUMBLING DECREASED SIMULTANEOUSLY WITH ENGINE LOAD. ENGINE CHIP CAUTION ILLUMINATED AT THE END. ENGINE HAS NOT BEEN RUN
- [SDR 2013FA0000667](https://openairdocs.org/sdr/2013FA0000667.md): Bearing · failed · May 3, 2013 · Bell 206B3 · Engine (Turbine/Turboprop)
  > ENGINE CHIP LIGHT DURNG FLIGHT, PILOT HEARD INCREASING "RUMBLING" NOISE. LANDED TO THE NEAREST LANDABLE SITE, APPROXIMATELY TWO MINUTES AFTER THE NOISE STARTED. RUMBLING DECREASED SIMULTANEOUSLY WITH ENGINE LOAD. ENGINE CHIP CAUTION ILLUMINATED AT THE END.
- [SDR 2013FA0000668](https://openairdocs.org/sdr/2013FA0000668.md): Bearing · failed · May 3, 2013 · Bell 206B3 · Engine (Turbine/Turboprop)
  > ENGINE CHIP LIGHT, DURING FLIGHT, PILOT HEARD INCREASING "RUMBLING" NOISE. LANDED TO THE NEAREST LANDABLE SITE, APPROX 2 MIN AFTER THE NOISE STARTED. RUMBLING DECREASED SIMULTANEOUSLY WITH ENGINE LOAD. ENGINE CHIP CAUTION ILLUMINATED AT THE END. AFTER REMO
- [SDR CA130402001](https://openairdocs.org/sdr/CA130402001.md): Nut · cracked · Feb 8, 2013 · Bell 206B · Main Rotor Head
  > (CAN) DURING A 50 HOUR LUBE BEING CARRIED OUT ON THE M/R HUB ASSY, IT WAS NOTICED THAT A MS21042L4, NUT WHICH RETAINS 1 OF THE 2 THROUGH BOLTS, WHICH RETAINS THE PITCH HORN TRUNNION BEARING WAS FOUND CRACKED. THE NUT AND ASSOCIATED WASHER WERE REPLACED WITH N
- [SDR CA110615011](https://openairdocs.org/sdr/CA110615011.md): Bearing · loose · Jun 14, 2011 · Bell 206B3 · Main Rotor Gearbox
  > DRAG PIN BEARING CAME LOOSE IN THE SLEEVE.
- [SDR CA080519001](https://openairdocs.org/sdr/CA080519001.md): Drive Shaft · damaged · May 15, 2011 · Bell 206B · Tail Rotor Drive Shaft
  > (CAN) THE INTERNAL SPRING INSIDE THE DRIVE SHAFT COUPLING GEAR WAS FOUND TO HAVE BEEN DAMAGED DUE TO IMPROPER INSTALLATION DURING LAST CALENDAR INSPECTION. DAMAGE BEYOND LIMITS SHAFT REPLACED.
- [SDR 2010FA0001212](https://openairdocs.org/sdr/2010FA0001212.md): Hydromech Unit · malfunctioned · Dec 1, 2010 · Bell 206B3 · Hydraulic System, Main
  > LOSS OF HYD POWER AND WITHOUT NR INDICATED.
- [SDR 2010FA0001065](https://openairdocs.org/sdr/2010FA0001065.md): Counterweight · loose · Jul 27, 2010 · Bell 206B · Main Rotor Blades
  > ACFT WAS PERFORMING A TRAINING MISSION WHEN THE MID SPAR MAIN ROTOR BLADE WEIGHT CAME LOOSE. THE ACFT PRECAUTIONARY LANDED WITH NO INJURIES. THE MID SPAR BLADE BLEW OUT THE MAIN ROTOR END CAP. THE END CAP DID NOT COME COMPLETELY OFF BUT WAS TORN LOSE AT THE
- [SDR CA100702008](https://openairdocs.org/sdr/CA100702008.md): Accumulator · cracked · Jun 28, 2010 · Bell 206B · Turbine Governor
  > PILOT REPORTED M/R DROOPING OFF WHEN POWER IS APPLIED. RECORDS SHOWED GOVERNOR NEAR T/X FOR O/H. SUSPECT GOVERNOR WAS REPLACED, GROUND RUN AND LEAK TESTS WERE PREFORMED ALONG WITH A SATISFACTORY TEST FLIGHT, ACFT WAS RELEASED, RETURN TO SERVICE, 1.5 HRS LATE
- [SDR CA090922007](https://openairdocs.org/sdr/CA090922007.md): Elt · failed · Sep 21, 2009 · Bell 206B · Emergency Locator Beacon
  > (CAN) E.L.T SWITCHED ON WITH NO REASON AND WOULD NOT RESPOND TO RESET, NOT FROM REMOTE SWITCH AND NOT DIRECTLY FROM E.L.T SWITCH. E.L.T BATTERIES NEEDED TO BE DISCONNECTED TO DEACTIVATE THE E.L.T ALARM. E.L.T REMOVED AND SENT BY DUCEY AVIONICS TO MANUFACTURER
- [SDR CA090309002](https://openairdocs.org/sdr/CA090309002.md): Mount · corroded · Feb 26, 2009 · Bell 206B · Engine Mount Section
  > (CAN) DURING COMPLIANCE OF TB206-89-129 (REMOVAL OF ENGINE MOUNT LEG CLAMSHELL DAMPERS), IT WAS NOTICED AFTER THE REMOVAL OF THE CLAMSHELL DAMPERS AND THEIR PACKING MATERIAL, EXTREME CORROSION WAS FORMING UNDER THE PRIMER, WHICH WAS FOUND TO BE BEYOND LIMITS.
- [SDR ULXR2009022580899](https://openairdocs.org/sdr/ULXR2009022580899.md): Module · inoperative · Feb 25, 2009 · N306FD · Bell 206B3 · Ignition System
  > AUTO REIGNITION SYS DID NOT TEST ON PREFLIGHT INSP. REPLACED AUTO REIGNITION MODULE AND CORRECTED PROBLEM. CAUSE OF FAILURE INSIDE BOX IS UNKNOWN.
- [SDR 2008FA0000846](https://openairdocs.org/sdr/2008FA0000846.md): Ground Wire · missing · Nov 24, 2008 · N306PD · Bell 206B3 · Fuel System Wiring
  > MFG HAS REMOVED A GROUND WIRE FROM BOTH ELECTRIC BOOST PUMPS. GROUND HAS BEEN ON EARLIER MODELS, REMOVED SINCE SN: 4205 IAW WIRING DIAGRAMS. CAUTION LIGHTS FOR BOOST PUMPS NOT OPERATIONAL SINCE NO GROUND AVAILABLE TO BASE OF PRESSURE SWITCH. GROUND WIRE INSTAL
- [SDR 2008FA0000609](https://openairdocs.org/sdr/2008FA0000609.md): Blade · failed · Sep 5, 2008 · N43MA · Bell 206B3 · Turbine Engine Compressor Section
  > THIRD STAGE COMPRESSOR BLADE, ONE OF THE BLADES WAS "THROWN" FROM THE PART. NOTE: THIS COMPRESSOR WHEEL IS A ONE-PIECE BLADE DISK. (K)
- [SDR 2008FA0000459](https://openairdocs.org/sdr/2008FA0000459.md): Meter · malfunctioned · Jul 1, 2008 · N6BU · Bell 206B · Electrical Power System
  > AC MAINT HOBBS METER FOUND RUNNING SLOW. THIS PROBLEM CAUSES THE ACTUAL TT OF THE AC TO BE INCORRECT. THIS PROBLEM CAUSED THE AC TO OVER RUN INSPECTIONS, AND TIME LIFE ITEM. PROBABLE CAUSE OF THIS PROBLEM, HOBBS METERS GETTING OLD AND WORN OUT. RECOMMENDAT
- [SDR CA071115003](https://openairdocs.org/sdr/CA071115003.md): Bolt · cracked · Nov 15, 2007 · Turbine Engine Compressor Section
  > (CAN) COMPRESSOR TIEBOLT S/N KU506716 FOUND CRACKED AXIALLY UPON REWORK AT MPI AFTER REMOVAL OF SILVER PLATING ON EXTERIOR OF PART. PART SCRAPPED. CRACK WAS NOT DISCOVERED UPON INITIAL MPI, MOST LIKELY BECAUSE OF THE SILVER PLATE BRIDGING THE CRACK SURFACE.
- [SDR AWTR113954](https://openairdocs.org/sdr/AWTR113954.md): Mount · cracked · Feb 2, 2007 · N67PJ · Bell 206B3 · Rotorcraft Tail Boom
  > FOUND 2.5 IN CRACK FROM LT REAR MOUNT HOLE FWD.
- [SDR HEEA111202](https://openairdocs.org/sdr/HEEA111202.md): Relay · noisy · Sep 22, 2006 · N2275Y · Bell 206B · Electrical Power System Wiring
  > NOTED WHINGING NOISE IN RADIO PRIOR TO GENERATOR GOING OFF LINE. CHECKED CIRCUIT BREAKERS AND THEY WERE NOT TRIPPED. RESET GENERATOR, AND LOAD METER SPIKED TO HIGH END OF GAUGE AND GENERATOR DROPPED OFF LINE. MAINTENANCE REPLACED THE OVERVOLTAGE RELAY.
- [SDR AU510001926](https://openairdocs.org/sdr/AU510001926.md): Trunnion · cracked · Dec 12, 2005 · Bell 205B · Tail Rotor Head
  > (AUS) TAIL ROTOR HUB ASSEMBLY TRUNNION CRACKED ON INNER BEARING RACE. (OTHER CAUSE: MATERIAL) (CASA NR 510001926)
- [SDR AU510001932](https://openairdocs.org/sdr/AU510001932.md): Pitch Horn · damaged · Dec 12, 2005 · Bell 206B1 · Main Rotor Head
  > (AUS) MAIN ROTOR HEAD PITCH HORN DAMAGED BEYOND REPAIR. INVESTIGATION FOUND THAT AN INDENTATION IN THE PITCH HORN UPPER SURFACE WAS PREVIOUS DAMAGE THAT HAD BEEN BLENDED AND PAINTED OVER. FOLLOWING REMOVAL OF THE PAINT IT WAS FOUND THAT THE DAMAGE WAS BEYOND T
- [SDR CA050719001](https://openairdocs.org/sdr/CA050719001.md): Gearbox · failed · Jul 15, 2005 · Bell 206B · Turbine Engine Reduction Gear
  > THE PILOT OBSERVED LOW/ERRATIC OIL PRESSURE AND TORQUE INDICATIONS AND EXECUTED A PRECAUTIONARY LANDING. A LARGE OIL LEAK WAS FOUND FROM THE EXHAUST STACK (GEARBOX VENT) AND COMPRESSOR VENT ORIFICE. THE ENGINE GEARBOX WAS FOUND TO HAVE MORE OIL THAN NORMAL I
- [SDR CA050503004](https://openairdocs.org/sdr/CA050503004.md): Bearing · spalled · Apr 23, 2005 · Bell 206B · Turbine Engine Compressor Section
  > (CAN) ENGINE CHIP DETECTOR WARNING IN FLIGHT. 2ND WARNING LIGHT IN 6 HOURS. FINE FERROUS METAL ON PLUG. SMALL BRASS PARTICLES IN OIL FILTER. TROUBLE SHOOTING INDICATED NR 1 BEARING. NR 1 BEARING REMOVED, INNERRACE SPALLED 360 DEGREES, BEARING SEPARATOR (BRASS
- [SDR 2004FA0000849](https://openairdocs.org/sdr/2004FA0000849.md): Turbine Wheel · failed · Oct 18, 2004 · N54GL · Bell 206B · Turbine Section
  > DURING GROUND RUN, AFTER SCHEDULED TURBINE REPLACEMENT, LEAK CHECKS HAD BEEN COMPLETED AT IDLE POWER. WHILE ADDING POWER, AT ABOUT 85 PERCENT N2 THE NR 3 TURBINE WHEEL EXPERIENCED AN UNCONTAINED FAILUE DESTROYING THE ENGINE AS WELL AS DAMAGING THE COWLING, RO
- [SDR 2004FA0000850](https://openairdocs.org/sdr/2004FA0000850.md): Turbine Wheel · failed · Oct 18, 2004 · N54GL · Bell 206B · Turbine Section
  > DURING GROUND RUN, AFTER SCHEDULED TURBINE REPLACEMENT, LEAK CHECKS HAD BEEN COMPLETED AT IDLE POWER. WHILE ADDING POWER, AT ABOUT 85 PERCENT N2 THE NR3 TURBINE WHEEL EXPERIENCED AN UNCONTAINED FAILURE DESTROYING THE ENGINE AS WELL AS DAMAGING THE COWLING, RO
- [SDR QR92004F00000](https://openairdocs.org/sdr/QR92004F00000.md): Adapter · sheared · Jul 6, 2004 · N67266 · Bell 206B · Turbine Engine Compressor Section
  > ENGINE REMOVED FROM SERVICE FOR ENGINE CHIP LIGHT ILLUMINATION, FOLLOWED BY ENGINE FAILURE DURING PINNACLE LANDING. TEAR DOWN ANALYSIS REVEALED COUPLING ADAPTER SHEARED AT PILOT DIAMETER CAUSING FAILURE. (SO09200408990)
- [SDR ULX2004F00018](https://openairdocs.org/sdr/ULX2004F00018.md): Flyweight · malfunctioned · Mar 1, 2004 · N212LA · Bell 206B · Turbine Governor
  > N2 RPM UNSTABLE. WILL NOT HOLD N2 RPM STABILIZED. PROBABLE CAUSE: FLYWHEEL WEIGHT MALFUNCTION.
- [SDR 2003FA0001038](https://openairdocs.org/sdr/2003FA0001038.md): Bearing · malfunctioned · Sep 16, 2003 · N59479 · Bell 206B · Fuel Control/Turbine Engines
  > WHILE IN FLIGHT PILOT EXPERIENCED ENGINE HIGH SIDE GOVERNOR FAILURE. THE PILOT WAS UNABLE TO CONTROL RISING ENGINE SPEED WITH THE THROTTLE. RPM ROSE TO 115 PERCENT AND WAS SHUT DOWN BY THE PILOT. UPON REMOVAL OF THE FUEL CONTROL, IT WAS NOTICED THAT THE DRI
- [SDR HEEA087236](https://openairdocs.org/sdr/HEEA087236.md): Pump · malfunctioned · Jun 10, 2003 · N2270G · Bell 206B3 · Engine Fuel Pump
  > INTERMITTENT HANG STARTS ON FIRST START OF DAY. REPAIRED.
- [SDR CA020322009](https://openairdocs.org/sdr/CA020322009.md): Vent Line · obstructed · Mar 19, 2002 · Bell 206B · Fuel Storage
  > (CAN) DURING SCHEDULED 100 HOUR ANNUAL & 12 MONTH INSPECTION. PROCEEDED TO CHECK OP OF LOW FUEL WARNING SYS. REMOVED FUEL LINE GOING TO AIRFRAME FUEL FILTER AND ATTACHED LONG FUEL LINE SO WE COULD DRAIN FUEL CELL VIA A/C FUEL BOOST PUMPS. WE PUT A/C POWER ON A
- [SDR HEEA076800](https://openairdocs.org/sdr/HEEA076800.md): Coupling · corroded · Oct 16, 2001 · Turbine Section
  > N1 COUPLING HAS EXCESSIVE RUST CAUSING PITTING.
- [SDR CA010809016](https://openairdocs.org/sdr/CA010809016.md): Case · damaged · Jul 22, 2001 · Bell 206L · Turbine Engine Compressor Section
  > (CAN) ON WINDUP FROM GROUND IDLE TO FLIGHT IDLE, THE PILOT HEARD A POPPING NOISE AND A STEADY SOUND OF RUSHING AIR. THE TURBINE OUTLET TEMPERATURE (TOT) HAD CLIMBED INTO THE YELLOW ARC. DURING TROUBLLE SHOOTING THE COMPRESSOR CASE HALF WAS MISSING AND STATOR (
- [SDR CA991229066](https://openairdocs.org/sdr/CA991229066.md): Bushing · cracked · Dec 17, 1999 · Bell 206B · Engine Mount Section
  > (CAN) DURING 100 HOUR INSPECTION, RT ENGINE MOUNT WAS FOUND LOOSE. UPON DISASSEMBLY, THE BUSHING WAS FOUND TO BE SEPARATED (RUBBER BONDS WERE SEPARATED). BUSHING ID & OD WERE WORN BEYOND LIMITS. RT ENGINE MOUNT LEGS WERE ALSO FOUND TO HAVE THE BUSHING MOUNTING
- [SDR CA991028071](https://openairdocs.org/sdr/CA991028071.md): Exhaust Stack · cracked · Oct 12, 1999 · Bell 206L · Engine Collector/Tailpipe/Nozzle
  > (CAN) CRACK WAS FOUND IN THE AREA OF THE EXHAUST STACK RETAINING CLAMP.
- [SDR CA990927093](https://openairdocs.org/sdr/CA990927093.md): Skin · cracked · Sep 11, 1999 · Bell 206L · Rotorcraft Tail Boom
  > (CAN) 2.5 INCH LONGITUDINAL CRACK FOUND ON LEFT SIDE OF TAILBOOM APPROXIMATELY 3 INCHES BELOW THE MOST REARWARD T/R DRIVESHAFT BEARING HANGAR (BS 146 APPROX). TAILBOOM WAS BEYOND LOCAL REPAIR AND SENT BACK TO BELL FOR REPAIR/REPLACEMENT. APPROX 4,000 HOURS ON
- [SDR 99ZZZX2239](https://openairdocs.org/sdr/99ZZZX2239.md): Exciter · failed · May 12, 1999 · N9907K · Bell 206B · Exciter
  > EXCITER FAILED. REMOVED AND REPLACED.
- [SDR CA990513007](https://openairdocs.org/sdr/CA990513007.md): Armature · misoverhauled · Apr 30, 1999 · Bell 206B · Starter-Generator
  > (CAN) FOLLOWING OVERHAUL, IT WAS FOUND THAT THE STARTER/GENERATOR CONTAINED NUMEROUS PARTS THAT ARE NOT APPROVED.
- [SDR 98ZZZX4738](https://openairdocs.org/sdr/98ZZZX4738.md): Valve · failed · Dec 5, 1998 · N90322 · Bell 206B · Compressor Bleed Valve
  > VALVE DOES NOT CLOSE COMPLETELY. REMOVED AND REPLACED.
- [SDR AU981541](https://openairdocs.org/sdr/AU981541.md): Nozzle · carboned · Nov 15, 1998 · Bell 206B3 · Turbine Engine Oil System
  > (AUS) NR 6 AND NR 7 BEARING OIL PRESSURE NOZZLE EXTENSIVELY CARBONED UP BETWEEN THE NOZZLE AND THE SCAVENGE OIL STRUT IN THE POWER TURBINE SUPPORT. OIL PRESSURE NOZZLE PARTIALLY CLOGGED. EXTERNAL SUMP ALSO CONTAINED EXCESSIVE AMOUNTS OF CARBON DEPOSITS. SUS
- [SDR CA980629001](https://openairdocs.org/sdr/CA980629001.md): Fcu · failed · Jun 11, 1998 · Bell 206B · Fuel Control/Turbine Engines
  > (CAN) DURING START SEQUENCE, THE TEMPERATURE EXCEEDED LIMITS OF 944 CELSIUS. HOT START INSPECTION CARRIED OUT, NO PROBLEMS. SUBMITTER STATED FCU FOUND TO BE CAUSE OF HOT START. PART TC: 1,350.
- [SDR HEEA0014592](https://openairdocs.org/sdr/HEEA0014592.md): Actuator · malfunctioned · Jun 4, 1998 · N2275Y · Bell 206B3 · Main Rotor Control
  > ACTUATOR STICKS ON HIGH SIDE.

Next page: https://openairdocs.org/engine/allison-250-c20j/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 = '250C20J'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/allison-250-c20j/reports

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