Allison 250-C30P
Service difficulty reports · 646
Newest first. General aviation reporting is voluntary.
Query with SQL
duckdb -csv -c "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 = '250C30P' ORDER BY difficulty_date DESC"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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 = '250C30P' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR ALG2005F00109Starter Gen · failedDURING FLIGHT, AIRCRAFT GENERATOR FAILED. REPLACED STARTER/GENERATOR. (K)SDR ALG2005F00106Warning System · false indicationDURING START TOT PEAKED AT 770 FOR ONE SECOND. MAINTENANCE WAS NOTIFIED. PERFORMED INSPECTION OF TOT INSTRUMENT IAW MM AND FOUND INSTRUMENT SERVICEABLE. PERFORMED HOT END INSPECTION IAW MM AND FOUND NO DEFECTS. REINSTALLED SAME AS REMOVED AND RELEASED AIRCSDR ALG2005F00108Engine · noisyLOUD HOWLING NOISE AT FLIGHT IDLE FROM THE ENGINE TRANSMISSION AREA. REPLACED ENGINE ASSEMBLY. (K)SDR ALG2005F00117Starter Gen · noisyPILOT HEARD LOUD NOISE FROM THE ENGINE COMPARTMENT. REMOVED STARTER GEN AND INSTALLED A SERVICEABLE TSO GENERATOR. RAN AC FOR 30 MINUTES AT GROUND IDLE AND 100 PERCENT RPM FOR 10 MINUTES WITH NO NOISE OCCURRING. REMOVED AND INSPECTED ENGINE CHIP PLUGS, CHECSDR ALG2005F00089Engine · making metalIN FLIGHT, ENGINE CHIP LIGHT ILLUMINATED. AFTER LANDING, NOTIFIED MAINTENANCE. THE ENGINE CHIP PLUG WAS FOUND TO HAVE METAL FLAKES. REMOVED AND REPLACED ENGINE WITH SERVICEABLE UNIT, IAW MM. (K)SDR ALG2005F00079Caliper · looseDURING DAILY INSPECTION THE MECHANIC FOUND ROTOR BRAKE BOLTS LOOSE AND A PAD WAS MISSING, REMOVED AND REPLACED BOTH CALIPERS WITH SERVICEABLE SET AND THE AC WAS RETURNED TO SERVICE. (K)SDR ALG2005F00083Blade · damagedDURING THE DAILY MAINTENANCE INSPECTION, IT WAS DETERMINED THE TAIL ROTOR BLADE TIP WAS DAMAGED BY STRIKING AN UNDETERMINED OBJECT. COMPLIED WITH THE CONDITIONAL INSPECTION, 5-28 SUDDEN STOPPAGE/ACCELERATION-TAIL ROTOR. (K)SDR ALG2005F00075Engine · vibrationON REPOSITION TO THE FLY AWAY, A LOUD BANG WAS HEARD FOLLOWED BY A NOTICEABLE CHANGE AND A VIBRATION IN THE AIRCRAFT. AC FELT UNSTABLE AND WAS SET DOWN. DURING COAST DOWN/ SHUTDOWN AC CONTINUED TO HAVE ODD VIBRATION/ OSCILLATION. MAINTENANCE NOTIFIED. REMOSDR ALG2005F00066Bolt · defectiveDURING MAINTENANCE SERVICE CHECK, THE LT ROTOR BRAKE CALIPER WAS FOUND TO BE DEFECTIVE. THE FOLLOWING ITEMS WERE REMOVED AND REPLACED WITH SERVICEABLE COMPONENTS: ROTOR BRAKE DISK, BOLTS AND 2 ROTOR BRAKE CALIPERS. IAW MM. (K)SDR ALGA105863Bearing · failedTRANSMISSION ASSY MAKING METAL, DISASSEMBLED AND FOUND DUPLEX BEARING BREAKING DOWN. REMOVED AND REPLACED DUPLEX BEARING.SDR ALG2005F00063Transmission · failedTRANSMISSION CHIP LIGHT ILLUMINATED IN HOVER. MAINTENANCE REMOVED TRANSMISSION, MAST, AND OIL COOLER. A SERVICEABLE TRANSMISSION, MAST AND OIL COOLER WERE INSTALLED. FLUSHED TRANSMISSION OIL SYSTEM. IAW MM. GROUND AND LEAK CHECK, OK. (K)SDR CA050816007Drive Shaft · worn(CAN) WHILE A/C IN CRUSE FLIGHT LOW ROTOR HORN CAME ON. ROTOR RPM INDICATED (0). WHEN PILOT LOWERED COLLECTIVE, HE HAD NO HYDRAULIC PRESSURE. A/C LANDED AND MAIN ROTOR CONTACTED TAILBOOM. ON REMOVAL ROTOR TACH GEN DRIVE SHAFT INTERNAL SPLINES WERE FOUND TSDR CA060322005Spline · wornTHE ENGINE LOST POWER BECAUSE THE ENGINE DRIVEN FUEL PUMP FAILED. THE CAUSE OF THE PUMP FAILURE WAS DISENGAGEMENT OF THE DRIVE SHAFT SPLINES FROM THE DRIVER GEAR SPLINES DUE TO EXCESSIVE WEAR.SDR ALG2005F00052Compressor · stalledDURING TAKEOFF AT 95 PERCENT TORQUE, OAT +34, WINDS CALM, AC HAD A COMPRESSOR STALL FOLLOWED BY A LOUD BANG, YAW, AND A DROP IN TORQUE. THE PILOT REDUCED POWER LEVELED AT 50 FT AT 70 KNOTS 50 PERCENT TORQUE, FLEW 8 MINUTES TO A LARGER PLATFORM AND LANDED. THSDR ALG2005F00050Blade · bird strikePRIOR TO TAKEOFF, AFTER INCREASING THE COLLECTIVE FOR TAKEOFF, A SEAGULL STRUCK THE LEADING EDGE OF THE M/R BLADE, THE PILOT SHUT THE AC DOWN AND NOTIFIED MAINTENANCE. THE MECHANIC INSPECTED THE M/R BLADES IAW MM. AC WAS RETURNED TO SERVICE. (K)SDR ALG2005F00049Pump · intermittentIN CRUISE FLIGHT, PILOT NOTICED THAT LT BOOST PUMP IS INTERMITTENT. UPON LANDING THE MECHANIC REMOVED AND REPLACED THE LT FUEL BOOST PUMP AND AC WAS RETURNED TO SERVICE AFTER COMPLETION OF OPERATIONAL CHECKS IAW MM. (K)SDR CA050720005Blade · delaminatedAFTER DISCUSSION WITH A FSR FROM BHTC, LEARNED THAT THE TAIL ROTOR ON THIS AIRCRAFT HAD BEEN DAMAGED IN 2004. THE TECHNICAL LOG OF THE AIRCRAFT DID NOT DEMONSTRATE THAT THE PROPER INSPECTION WAS CARRIED OUT AS PER MM CHAP 5-28. BHTC CONFIRMED THAT THE PREVIOSDR CA050901003Shroud · cracked(CAN) DURING 100 HR ENGINE INSPECTION, FUEL NOZZLE WAS REMOVED FOR CLEANING. AFTER CLEANING WAS COMPLETED, NOZZLE AIR SHROUD WAS VISUALLY INSPECTED AND FOUND CRACKED ABOUT .250 LONG. CRACK STARTED FROM CENTER HOLE THROUGH TWO OUTWARD HOLES. FUEL NOZZLE WAS SDR CA050630002Turbine · cracked(CAN) FAILED POWER CHECK. TURBINE REPLACED.SDR ALG2005F00017Door · separatedPICKED AIRCRAFT UP TO A HOVER ON PAD B1 TO REPOSITION . PAD B3 RADIOED THAT THE OIL FILLER COVER HAD SEPARATED. RADIO OPERATOR THEN CALLED ADVISING RETURN TO PAD B1. RETURNED TO PAD B1 AND SHUTDOWN THE AIRCRAFT. MAINTENANCE INSPECTED MAIN ROTOR BLADES, TASDR ALG2005F00023Pump · inoperativeDEPARTED, 10 MINUTES INTO FLIGHT AT 1000 FT AGL AND CRUISE POWER, FLIGHT CONTROLS STARTED TO TIGHTEN UP. SLOWED AC AND SUSPECTED HYDRAULIC FAILURE. PULLED HYDRAULIC C/B, POWER DID NOT RESTORE PUSHED THE C/B BACK IN. TURNED OFF THE HYDRAULIC CONTROL SWITCH. SDR 2005F00049Engine · malfunctionedDURING TAKEOFF, WITH POWER ABOVE 80 PERCENT TORQUE AIRCRAFT BEGINS VIBRATIONS INCREASING TO SEVERE WITH OSCILLATION BETWEEN 20-30 PERCENT ON TORQUE GAUGE. MAINTENANCE REMOVED AND REPLACED ENGINE ASSY WITH SERVICABLE SERIAL NUMBER CAE-890158. WORK DONE IAW BESDR ALG2005F00015Sensor · corrodedJUST AFTER TAKEOFF, THE LOW ROTOR CAUTION LIGHT ILLUMINATED. 2 OR 3 SECONDS LATER THE LOW ROTOR RPM HORN SOUNDED. ROTOR TACH INDICATIONS WERE NORMAL, PILOT RETURNED TO BASE. UPON LANDING, THE MECHANIC REMOVED AND REPLACED BOTH THE LOW ROTOR RPM AND ENGINE. SDR ALG2005F00016Sensor · corrodedJUST AFTER TAKEOFF, THE LOW ROTOR CAUTION LIGHT ILLUMINATED. 2 OR 3 SECONDS LATER, THE LOW ROTOR RPM HORN SOUNDED. ROTOR TACH INDICATIONS WERE NORMAL, PILOT RETURNED TO BASE. UPON LANDING, THE MECHANIC REMOVED AND REPLACED BOTH THE LOW ROTOR RPM AND ENGINE SDR 2005FA0000377Fuel Cell · damagedDURING A SCHEDUALED 12 MONTH FUEL SYSTEM INSPECTION IAW MM, THE DEFECT WAS NOTED ON A CUSTOMERS AIRCRAFT. THE BOTTOM INSIDE OF THE AFT FUEL CELL WAS BLISTERED WITH .2500 INCH BLISTER IN DIAMETER, SPACED FROM .5000 INCH TO .2500 INCH APART. THE BLISTERS CONTISDR ALG2005F00002Filter · dirtyWHILE LIFTING UP TO A HOVER TO DEPART, N2 RPM BLED OFF TO BELOW 90 PERCENT AND WOULD RECOVER, THROTTLE WAS FULL OPEN AND MAX BEEP WOULD NOT INCREASE THE RPM. MAINTENANCE REMOVED THE P/C, CLEANED AND DID A SYSTEM AIR LEAK CHECK. REINSTALLED SAME P/C FILTER ANSDR ALGA098856Meter · spalledMETAL ON BOTH PLUGS, FOUND TORQUE METER AFT BEARING BREAKING DOWN, HEAVY SPALLING OUTER EDGES OF ROLLERS AND INNER RACE. REPLACED BEARING AND REPAIRED GEAR BOX.SDR ALG2004F00073Wire · loosePUSHED THE STARTER BUTTON FOR THE FIRST FLIGHT AND THERE WAS A LOUD POP AND SPARKS FOR THE LT SIDE OF THE LOWER INSTRUMENT PANEL. MAINTENANCE FOUND THE BATTERY RELAY GROUND WIRE ON THE AIRFRAME SIDE LOOSE, REMOVED GROUND AND CLEANED TERMINAL AND REINASTALLED SDR CA041103010Mount · cracked(CAN) DURING A 100 HR INSPECTION AN AME WAS PERFORMING A VISUAL INSPECTION ON THE ENGINE MOUNTS AND FOUND AN AREA ON THE RT MOUNT THAT LOOKED SUSPICIOUS. UPON FUTHER INVESTIGATION (LIGHT SANDING) IT WAS DETERMINED THAT THERE WERE CRACKS & HOLES IN 2 AREAS OF TSDR ALG2004F00070Gauge · overtorquedDURING TAKEOFF, TORQUE GAUGE OVERTORQUED WITH NO OTHER EXCEDENCES. THE MECHANIC DRIED THE MOISTURE FROM TORQUE TRANSMITTER, COMPLIED WITH GROUND RUN AND AIRCRAFT WAS RETURNED TO SERVICE.SDR ALG2004F00071Striker · out of adjustAT A HOVER, PILOTS DOOR WILL NOT STAY CLOSED, RETURNED TO LANDING PAD. MAINTENANCE ADJUSTED PILOTS DOOR AND STRIKER PLATES IAW THE MM. NO FURTHER DISCREPANCIES NOTED.SDR PG9R97676Fuel Nozzle · crackedNOZZLE CRACKED/ REPLACED. (K)SDR PG9R97678Fuel Nozzle · crackedCRACKED SHROUD/ REPLACED. (K)SDR PG9R97679Fuel Nozzle · crackedCRACKED SHROUD AND SPRAY BODY/ REPLACED. (K)SDR ALG2004F00058Engine · animal ingestionON TAKEOFF THE ENGINE INGESTED A FROG, RETURNED TO BASE. MECHANIC INSPECTED THE ENGINE INLET, REMOVED FROG REMAINS, WASHED THE ENGINE. AND COMPLIED WITH POWER CHECK. FOUND SERVICEABLE. AC WAS RETURNED TO SERVICE.SDR ALG2004F00053Chip Detector · illuminatedTAXING FOR TAKE OFF, ENGINE CHIP LIGHT CAME ON TAXING FOR TAKE OFF. MAINTENANCE REMOVED, INSPECTED AND CLEANED THE CHIP DETECTORS IAW MM. AIRCRAFT GROUND RAN FOR 30 MINUTES NO DEFECTS FOUND.SDR ALG2004F00047Rotor · overtorquedIN A HOVER, WAS AT A HOVER ABOUT TO TAKE OFF WHEN EVERYTHING STARTED SPEEDING UP, LOOKED AT THE TORQUE GAUGE AND SAW 120 PERCENT TORQUE, IMMEDIATELY LOWERED THE COLLECTIVE AND LANDED, AS LOWERED THE COLLECTIVE AND EVERYTHING RETURNED TO NORMAL. MAINTENANCE ISSDR 2004F00379Governor · malfunctionedIN A HOVER READY FOR TAKEOFF, TOOK OFF INTO A HOVER AND THE N2 DROPPED TO 95 PERCENT AND WOULD NOT RECOVER OR RESPOND TO INCREASE OR DECREASE TO BEEP SWITCH. MAINTENANCE FOUND BEEP MOTOR INTERMITTENT, REMOVED AND REPLACED, ALSO FOUND THAT THE GOVERNOR WAS DROSDR CA040804002Blade · deformed(CAN) TRAILING EDGE SKIN WHERE THE BALANCE WEIGHTS ARE ATTACHED, WAS FOUND DISPLACED APPROXIMATELY 0.080 INCH FROM THE CHORD-LINE. DISCREPANCY WAS DETECTED WHEN A BONDING FAILURE WAS NOTICED IB FROM THE WEIGHTS ON THE BLADE ROOT CLOSE-OUT. THERE WAS NO INDISDR 2004F00371Compressor · stalledAT 3500 AGL AND 74 PERCENT TORQUE AIRCRAFT COMPRESSOR STALLED, TORQUE FLUCTUATED AND RETURNED TO NORMAL, NOSE OF AIRCRAFT SWUNG 15 DEGREES TO THE LEFT. AIRCRAFT POWER REDUCED AND THEN RETURNED TO CRE BASE. MAINTENANCE REMOVED AND REPLACED ENGINE ASSEMBLY. (SDR CA040727005Retaining Ring · broken(CAN) DURING COMPRESSOR DISASSEMBLY ONE PIECE OF NR 1 BEARING HOUSING RETAINING RING WAS FOUND. IMPELLER ASSEMBLY WAS BADLY DAMAGED DUE TO FOD.SDR 2004F00358Compressor · stalledON FIRST TAKEOFF OF THE DAY, EXPERIENCED COMPRESSOR STALL. ABORTED TAKEOFF AND HOVERED TO NEAREST PARKING PAD AND REPORTED INCIDENT TO MAINTENANCE AND MANAGEMENT. MAINTENANCE VISUALLY INSPECTED INTAKE AREA FOR HARDWARE AND FROGS, INSPECTED COMPRESSOR BLADES SDR ALG2004F00039Engine · malfunctionedN2 DROOPED ON TAKEOFF, N2 WILL BEEP TO 98 PERCENT THEN DROOPS TO 96 PERCENT ON TAKE OFF, LINEAR ACTUATOR BEEP IS FULL UP. MAINTENANCE ADJUSTED N2 BEEP RANGE IAW 206L MM, OPS CHECK WAS GOOD.SDR CA050804002Blade · damaged(CAN) UPON PILOT DAILY INSPECTION DAMAGE NOTED TO T/R BLADE ASSY. BLADE ASSY VISUALLY INSPECTED AND FOUND DAMAGED BEYOND ACCEPTABLE LIMITS. BLADE REPLACED.SDR ALG2004F00042Line · looseWHILE HOVERING FOR TAKE OFF, A NOTICEABLE BANG CAME FROM THE ENGINE COMPARTMENT AND A RIGHT YAW OCCURRED. AIRCRAFT CONTROL WAS MAINTAINED AND SYSTEMS INSTRUMENTS WERE IN THE GREEN. AIRCRAFT WAS THEN HOVERED TO THE MAINTENANCE PAD AND SHUT DOWN. MAINTENANCE SDR ALG2004F00043Bleed Valve · failedWHILE HOVERING AND IN A RT PEDAL TURN PREPARING FOR TAKE OFF A LOUD BANG WAS HEARD AND AIRCRAFT YAWED MOMENTARILY LT THEN RT. RETURNED TO MAINTENANCE PAD AND SHUT DOWN AND NOTIFIED MAINTENANCE. MAINTENANCE REMOVED BLEED VALVE PN 23005366A, SN FF43547 AND INSSDR ALG2004F00041Window · departedDURING FLIGHT AND POST FLIGHT, APPROX 3 MILES OFF THE BEACH, 14 MILES FROM BASE, PILOT ATTEMPTED TO CLOSE WINDOW AND PILOT SLIDING WINDOW POPPED OUT OF TRACK AND DEPARTED THE AIRCRAFT. UPON LANDING AT BASE DURING POST FLIGHT, PILOT DISCOVERED DAMAGE TO ONE OFSDR ALG2004F00036Bleed Valve · malfunctionedWHILE HOVERING FOR TAKEOFF, IN A RT PEDAL TURN TO ALIGN THE AIRCRAFT WITH THE FLY AWAY WHEN A NOTICEABLE BANG CAME FROM THE ENGINE COMPARTMENT AND RT YAW OCCURRED. IMMEDIATELY LANDED, CHECK ALL SYSTEMS IN THE GREEN AND HOVERED TO THE MAINTENANCE PAD. MAINTENSDR ALG2004F00038Compressor · stalledAIRCRAFT HAD COMPRESSOR STALL DURING TAKEOFF. MAINTENANCE INSPECTED ENGINE INLET AND COMPRESSOR AREA, FOUND EVIDENCE OF FROG INGESTION. INSPECTED ENGINE COMPRESSOR FOR DAMAGE NO DAMAGE WAS FOUND. PERFORMED ENGINE CHEMICAL WASH AND ENGINE POWER CHECK. OPS CSDR ALG2004F00029Pump · inoperativeDURING FLIGHT TO EL309 THE RIGHT BOOST PUMP CAUTION LIGHT ILLUMINATED AND RETURNED TO DEPARTURE. MAINTENANCE REMOVED BOOST PUMP AND INSTALLED SERVICEABLE BOOST PUMP, ALL WORK DONE IAW MM.
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