Allison 250-C30S

Service difficulty reports · 449

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 = '250C30S'
  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.

SDR 2002FA0001338Nozzle · failedENGINE FAILED WHILE AC WAS ON GROUND. UPON DISASSEMBLY OF ENGINE, FOUND GAS PRODUCER ROTOR TIE BOLT BROKEN IN HALF. FURTHER EXAMINATION FOUND THAT NR 2 NOZZLE, WHICH HAD BEEN OVERHAULED 1751 HOURS PRIOR, WAS MISSING 3 OF 5 KEYS THAT HOLD DIAPHRAGM IN PLACE. Nov 21, 2002 · Fuel Injector NozzleSDR CA021202004Line · leaking(CAN) THE AIRCRAFT LOST PRESSURE IN NR 2 HYDRAULIC DURING TAXI, AFTER SHUT DOWN NR 2 SYSTEM INDICATOR WAS AT EMPTY AND HYDRAULIC OIL WAS FOUND ON DECK UNDER MGB, PIN HOLE WAS FOUND ON ABOVE MENTIONED FLEX LINE. LINE WAS REPLACED AND NR 2 HYDRAULIC SYSTEM SERVINov 18, 2002 · Skrsky S76A · Hydraulic System, MainSDR ALG2003F00016Bulb · failedDURING PREFLIGHT CHECK, BAGGAGE COMPARTMENT SMOKE DETECTOR WOULD NOT TEST, THE MECHANIC REPLACED THE BULB AND THE AIRCRAFT WAS RETURNED TO SERVICE.Nov 18, 2002 · N705AL · Skrsky S76 · Smoke DetectionSDR ALG2003F00034Blade · vibrationDURING FLIGHT, PILOT ENCOUNTERED MODERATE VIBRATION OF MAIN ROTOR FOR 3 SECONDS IN CRUISE FLIGHT THEN IT CEASED. THE AIRCRAFT WAS DIVERTED TO LAFOURCHE AIRPORT IS LANDED WITH NO FURTHER PROBLEM, THE MECHANIC FOUND BLUE MAIN ROTOR BLADE EROSION TAPE TORN HE REOct 29, 2002 · N707AL · Skrsky S76 · Main Rotor BladesSDR CA021024004Throttle Cable · broken(CAN) AFTER SEVERAL UNSUCCESSFUL ATTEMPTS BY THE PILOT TO START NR 1 ENGINE, MAINTENANCE PERSONNEL DISCOVERED THAT THE THROTTLE CABLE WAS BROKEN APPROX. 12 INCHES FROM THE FUEL CONTROL UNIT ATTACHMENT. CABLE HAS BEEN REPLACED AND A/C RETURNED TO SERVICE. A/Oct 23, 2002 · Skrsky S76A · Power LeverSDR ALG2003F00038Fire Detector · will not testDURING PREFLIGHT START, AFT BAGGAGE FIRE DETECTION SYSTEM DID NOT TEST. THE MECHANIC REMOVED AND REPLACED THE SMOKE DETECTOR.Oct 19, 2002 · N703AL · Skrsky S76 · Fire DetectionSDR CA021029001Stator · debonded(CAN) NR 2 ENGINE CHIP LIGHT CAME ON IN FLIGHT. FINE HAIR LIKE METAL FOUND ON FORWARD CHIP PLUG. TURBINE REMOVED AND SENT TO SAL FOR TEAR DOWN AND INSPECTION. SILVER PLATING ON 3537 LAB STATOR FOUND DEBONDED CAUSING FINE SILVER SHAVING TO PEEL OFF. STATOR REPAOct 17, 2002 · Skrsky S76A · Turbine SectionSDR ALG2003F00039Connector · corrodedDURING FLIGHT, NR 2 ENGINE FIRE CAUTION LIGHT ILLUMINATED ALONG WITH TWO LIGHTS ON THE (T) HANDLE. NO OTHER INDICATION THAT FIRE DID EXIST (T PERCENT, N1, N2 NORMAL) THE CAUTION LIGHT EXTINGUISHED AFTER 5 SECONDS AND DID NOT ILLUMINATE FOR THE REMAINDER OF 15Oct 15, 2002 · N702AL · Skrsky S76 · Fire DetectionSDR ALG2003F00003Chip Detector · dirtyDURING FLIGHT, NR 1 ENGINE CHIP DETECTOR LIGHT ILLUMINATED, THE PILOT FOLLOWED CORRECTIVE ACTION IAW EMERGENCY CHECKLIST, UPON LANDING THE MECHANIC REMOVED AND CLEANED THE NR 1 ENGINE CHIP DETECTORS AND ALSO REPLACED THE NR 1 ENGINE OIL FILTER AND THE AIRCRAFTOct 12, 2002 · N705AL · Skrsky S76 · Turbine Engine Oil SystemSDR ALG2003F00051Governor · inoperativeDURING RUN-UP, AFTER DROOP COMPENSATOR CHECK, THE PILOT SET THE NR 2 ENGINE TO 100 PERCENT AND ADJUSTED THE NR 1 ENGINE TO 100 PERCENT. THEN THE NR 1 ENGINE FAILED (FLAMED OUT). THE MECHANIC REMOVED AND REPLACED THE GOVERNOR, FUEL CONTROL AND FUEL NOZZLE ON Oct 7, 2002 · N705AL · Skrsky S76 · Turbine GovernorSDR ALG2003F00052Fuel Control · inoperativeDURING RUN-UP, AFTER DROOP COMPENSATOR CHECK, THE PILOT SET THE NR 2 ENGINE TO 100 PERCENT AND ADJUSTED THE NR 1 ENGINE TO 100 PERCENT. THEN THE NR 1 ENGINE FAILED (FLAMED OUT). THE MECHANIC REMOVED AND REPLACED THE GOVERNOR, FUEL CONTROL AND FUEL NOZZLE ON Oct 7, 2002 · N705AL · Skrsky S76 · Fuel Controlling SystemSDR ALG2003F00053Fuel Nozzle · inoperativeAFTER DROOP COMPENSATOR CHECK, THE PILOT SET THE NR 2 ENGINE TO 100 PERCENT AND ADJUSTED THE NR 1 ENGINE TO 100 PERCENT. THEN THE NR 1 ENGINE FAILED (FLAMED OUT). THE MECHANIC REMOVED AND REPLACED THE GOVERNOR, FUEL CONTROL AND FUEL NOZZLE ON THE NR 1 ENGINEOct 7, 2002 · N705AL · Skrsky S76 · Fuel Injector NozzleSDR ALG2003F00048Link Assy · inoperativeDURING LANDING, WHEN PILOT LOWERED THE LANDING GEAR, HE HEARD AN AUDIBLE THUMP, DURING HOVER ANOTHER PILOT REPORTED TO HIM THAT THE RIGHT MAIN GEAR WAS DOWN. THE COCKPIT LANDING GEAR LIGHT INDICATED THAT WERE UP AND SAFE, THE GEAR WAS EXTENDED AND NORMAL LANDOct 6, 2002 · N717AL · Skrsky S76A · Landing Gear Retraction/Extension SystemSDR ALG2003F00045Control Panel · inoperativeDURING LANDING, THE LANDING GEAR WARNING HORN WENT ON AND STAYED ON WITH THE GEAR DOWN AND LOCKED (3 GREEN LIGHT). UPON LANDING THE LANDING GEAR WAS PINNED IAW MEL AND LOGBOOK ENTRY WAS MADE. SUBSEQUENT INSPECTION REVEALED BROKEN WIRE NR LGW503R20 AT PIN (2)Sep 30, 2002 · N519AL · Skrsky S76A · Landing Gear Position and WarningSDR ALG2003F00041Chip Detector · activatedDURING FLIGHT, NR 2 ENGINE CHIP LIGHT ILLUMINATED AND WOULD NOT RESET, BEEPED NR 2 ENGINE ALL THE WAY BACK AND FLEW APPROXIMATELY 20 MINUTES SINGLE ENGINE AND PERFORMED RUN ON LANDING AT ARA. UPON LANDING NR 2 ENGINE WAS REMOVED.Sep 26, 2002 · N376AL · Skrsky S76A · Turbine Engine Oil SystemSDR ALG2003F00042Switch · failedDURING CRUISE FLIGHT, NR 2 SERVO SYSTEM CAUTION LIGHT ILLUMINATED, AIRCRAFT WAS DIVERTED TO INTRACOASTAL, PILOT FOLLOWED EMERGENCY CHECKLIST AND LANDED AT INTRACOASTAL. UPON LANDING, THE MECHANIC REMOVED AND REPLACED REARWARD PRESSURE SWITCH ON LEFT FORWARD SSep 26, 2002 · N1547N · Skrsky S76A · Hydraulic System, MainSDR CA021007002Windshield Wiper · sheared(CAN) PILOT SIDE WIPER BLADE ATTACH PIN SHEARED AT 110 KTS AIRSPEED. SECONDARY PIN REMAINED ATTACHED BUT ALLOWED WIPER BLADE TO FLAIL AGAINST WINDSHIELD. WIPERS TURNED OFF AND AIRSPEED REDUCED TO 60 KTS. AIRCRAFT LANDED AT NEXT SCHEDULED STOP AND WIPER ARM WASSep 19, 2002 · Skrsky S76A · Windshield/Door Rain/Ice RemovalSDR CA021001005Seal · damaged(CAN) UNSCHEDULED LANDING DUE TO FLUCTUATING OIL PRESSURE AND LOW OIL WARNING LIGHT ON. ENGINE WAS REMOVEDAND REPLACED, TURBINE TEAR DOWN IS IN PROGRESS. ADDITIONAL DETAILS TO FOLLOW.Sep 18, 2002 · Skrsky S76A · Turbine SectionSDR EGR2002F00010Connector · contaminatedNR 1 ENGINE FIRE DETECTOR LIGHT ILLUMINATED ON SHORT FINAL FOR 4 SECONDS, IN HEAVY RAIN WITHOUT AUDIO SIGNAL DURING RUN UP. TRANSMISSION BEARING CAUTION LIGHT ILLUMINATED FOR 10 SECONDS AND SUBSEQUENTLY EXTINGUISHED. REMOVED AND CLEANED FIRE DETECTOR CONNECSep 2, 2002 · N5128 · Skrsky S76 · Fire DetectionSDR EGR2002F00007Light · inoperativeNR 2 ENGINE FUEL PRESSURE CAUTION LIGHT, INOPERATIVE. PIN ON NR 2 FUEL PRESSURE SWITCH CONNECTOR PLUG BACKED OUT. REINSTALLED NR 2 FUEL PRESSURE SWITCH CONNECTOR PLUG PIN AND FUNCTION CHECKED GOOD.Aug 21, 2002 · N3122G · Skrsky S76A · Instrument PanelSDR ALG2002F00062Radar · failedIN CRUISE FLIGHT, RADAR WORKING INTERMITTENTLY FOLLOWED BY SMOKE IN THE COCKPIT.Aug 16, 2002 · N703AL · Skrsky S76 · Weather Radar SystemSDR EGR2002F00006Chip Detector · illuminatedENROUTE, AT 2000 FEET, NR 2 ENGINE CHIP LIGHT ILLUMINATED COMPLIED WITH ENGINE CHECK LIST, LANDED AT EMERGENCY AIRPORT. REMOVED FORWARD AND AFT CHIP PLUGS, FOUND 2 SMALL FLAKES ON FORWARD PLUG, AFT PLUG FOUND 1 SMALL HAIR. CLEANED PLUGS AND INSTALLED. REMOJul 18, 2002 · N3122G · Skrsky S76A · Turbine Engine Oil SystemSDR HEEA080425Valve · inoperativeANTI ICE VALVE INOPERATIVE, CAUSING BOTH GREEN AND YELLOW CAUTION LIGHTS TO ILLUMINATE ON MASTER CAUTION PANEL. REPLACED WITH SERVICEABLE PART.Jul 9, 2002 · N5426U · Skrsky S76A · Engine Anti-Icing SystemSDR HEEA080427Turbine Wheel · damagedENGINE REMOVED DUE TO CRACKED EXHAUST COLLECTOR. UPON INSPECTION OF TURBINE PARTS NOTED SULFIDATION ON ALL 1ST STAGE WHEEL BLADES. SCRAPPED AND REPLACED WITH SERVICEABLE PART.Jul 9, 2002 · N1546G · Skrsky S76A · Turbine SectionSDR HEEA080428Turbine Wheel · damagedENGINE REMOVED DUE TO NOISY TURBINE AND CRACKED EXHAUST COLLECTOR. UPON INSPECTION OF TURBINE PARTS NOTED SULFIDATION ON ALL 1ST STAGE WHEEL BLADES. BLADES TRAILING EDGES WERE BROKEN OFF DUE TO SULFIDATION. SCRAPPED AND REPLACED WITH SERVICEABLE PART.Jul 9, 2002 · N3122H · Skrsky S76A · Turbine SectionSDR HEEA080403Seal · splitGEARBOX SEAL SPLIT (LEAKED ON TEST CELL RUN).Jul 8, 2002 · N911UK · Skrsky S76A · Turbine Engine Accessory DriveSDR HEEA079918Turbine Wheel · damagedENGINE REMOVED DUE TO CRACKED NR 1 NOZZLE. UPON INSPECTION OF TURBINE PARTS NOTED SLIGHT SULFIDATION ON ALL 1ST STAGE TURBINE WHEEL BLADES AND 1ST STAGE TIP DRAG WITH 2ND STAGE NOZZLE. SCRAPPED.Jun 25, 2002 · N911MJ · Skrsky S76A · Turbine SectionSDR HEEA079896Bearing Cage · failedENGINE REMOVED DUE TO TURBINE OVERHAUL. PARTS REPLACED IN COMPLIANCE WITH CEBA-72-3217 R4.Jun 19, 2002 · N5128 · Skrsky S76A · Turbine Engine Accessory DriveSDR HEEA079897Bearing · failedENGINE REMOVED DUE TO TURBINE OVERHAUL. PARTS REPLACED IN COMPLIANCE WITH CEBA-72-3217 R4.Jun 19, 2002 · N5128 · Skrsky S76A · Turbine Engine Accessory DriveSDR HEEA079889Turbine Wheel · damagedENGINE WAS REMOVED DUE TO VIBRATION AND SULFIDATION OF TURBINE WHEELS. UPON INSPECTION OF TURBINE PARTS NOTED 25 PERCENT OF THE 1ST STAGE WHEEL BLADE TIPS MISSING DUE TO SULFIDATION. SCRAPPED.Jun 11, 2002 · N3122G · Skrsky S76A · Turbine SectionSDR HEEA079325Tube · crackedTUBE CRACKED. REPLACED WITH SERVICEABLE PART.May 30, 2002 · N5435V · Skrsky S76A · Engine (Turbine/Turboprop)SDR HEEA078714Fuel Control · surgesNR 2 ENGINE SURGES. TESTED UNIT AS RECEIVED AND COULD NOT DUPLICATE PROBLEM. UNIT TESTED SATISFACTORY.May 20, 2002 · N5435V · Skrsky S76A · Fuel Controlling SystemSDR HEEA078506Carbon Seal · wornCOMPRESSOR CARBON SEAL HAS WORN TANGS AND SLOTS.Apr 26, 2002 · N1545K · Skrsky S76A · Turbine Engine Compressor SectionSDR HEEA078474Fuel Control · damagedFUEL CONTROL ANTICIPATOR SHAFT RATCHETY.Mar 26, 2002 · N4253S · Skrsky S76A · Fuel Control/Turbine EnginesSDR CA020521007Housing · separated(CAN) 5.9 HOURS AFTER A SCHEDULED BRUSH CHANGE A LOUD "HUM" WAS DETECTED ON NR 2 GENERATOR. THE HUM STOPPED WHEN THE GENERATOR WAS SELECTED OFF. THE STARTER/GENERATOR WAS REMOVED AND THE BELL HOUSING LEGS WERE FOUND TO BE SEPARATED FROM THE MOUNTING RING. THE Mar 25, 2002 · Skrsky S76A · Starter-GeneratorSDR ALG2002F00049Turbine · damagedTURBINE WAS REMOVED FROM AIRCRAFT DUE TO CRACKED EXHAUST COLLECTOR. REMOVED COMBUSTION SECTION AND FOUND HEAVY SULPHADATION AND CRACKS ON NR 1 WHEEL BLADES. CHECK NR 1 WHEEL FOR PROPER COATING ON BLADES.Mar 24, 2002 · N741SW · Skrsky S76A · Turbine SectionSDR ALG2002F00057Turbine Wheel · corrodedTURBINE WAS REMOVED FROM AIRCRAFT DUE TO LOW POWER. REMOVED COMBUSTION SECTION AND FOUND SULPHADATION ON NR 1 WHEEL BLADES.Mar 18, 2002 · N707AL · Skrsky S76 · Turbine SectionSDR HEEA078019Spur Adapter · failedCOMPRESSOR WAS REMOVED WITH ENGINE DUE TO TURBINE NR 1 & 2 WHEEL CYCLES. DECISION MADE TO COMPLY WITH COMPRESSOR 2000 HOUR INSPECTION AND OVERHAUL FOR IHTI REQUIREMENTS. SPUR GEAR FAILED NO-GO GAUGE CHECK. SUBMITTAL FOR CREDIT ACCOMPLISHED ON AFA 63885A.Mar 11, 2002 · N3122G · Skrsky S76A · Turbine Engine Compressor SectionSDR ALG2002F00008Smoke Detector · failedON ENGINE START, FOUND BAGGAGE COMPARTMENT SMOKE DETECTOR FAILED TEST.Feb 25, 2002 · N717AL · Skrsky S76A · Smoke DetectionSDR ALG2002F00054Gear · mismanufacturedGEARBOX WAS DISASSEMBLED DUE TO ENGINE CHIP LIGHT. IMPROPER MACHINING AND MESHING OF GEAR TEETH, CAUSING PINION GEAR TO GALL. ALSO CAUSED EXCESSIVE METAL CONTAMINATION. ASSURE PROPER MACHINING AND MECHING OF GEAR TEETH AT FACTORY.Feb 15, 2002 · N31211 · Skrsky S76A · Turbine Engine Reduction GearSDR CA020220007Crossover Tube · cracked(CAN) DURING A POST FLIGHT INSPECTION THE AME FOUND A CRACK ON THE MAIN LANDING GEAR CROSS TUBE WHEN REMOVED. THE CRACK WAS FOUND TO BE 360 DEGREES AROUND THE TUBE, ALLOWING SEPARATION OF THE ROD END. THE TUBE WAS REPLACED.Feb 14, 2002 · Skrsky S76A · Main Landing Gear Strut/Axle/TruckSDR ALG2002F00005Brushes · disintegratedPILOT WRITE UP AT END OF DAY. WHEN START BUTTON IS DEPRESSED (NR 2 ENGINE) STARTER CHATTERS AND HAS GRINDING NOISE. WHEN RELEASED AND DEPRESSED AGAIN, A FAIRLY NORMAL START IS ACHIEVED. UPON INSPECTION OF STARTER GENERATOR, BRUSHES FOUND TO BE DISINTEGRATEDDec 22, 2001 · N917QS · Skrsky S76A · Starter-GeneratorSDR HEEA077550Gearshaft · spalledGEARSHAFT IN GEARBOX HAS SPALLING ON GEARTEETH.Dec 17, 2001 · N1545X · Skrsky S76A · Turbine Engine Accessory DriveSDR HEEA077551Bearing · spalledGEAR HAS SPALLING ON BALL BEARING.Dec 17, 2001 · N1545X · Skrsky S76A · Turbine Engine Accessory DriveSDR ALG2002F00001Connector · looseDURING RUN UP CHECKS. CONNECTOR PLUGS FOUND LOOSE IN THE NR 1 ENGINE INTAKE.Nov 13, 2001 · N518AL · Skrsky S76A · Fire DetectionSDR ALG2002F00004Wire · brokenDURING RUN UP, BROKEN WIRE AT CONNECTOR PLUG IN BAGGAGE COMPARTMENT.Nov 13, 2001 · N702AL · Skrsky S76 · Smoke DetectionSDR ALG2001F00034Connector · loosePRESTART CHECK. NR 1 ENGINE FIRE DETECTION SYSTEM WILL NOT TEST. CIRCUIT BREAKER FOUND POPPED, LOOSE CONNECTION IN T HANDLE FOR BULBS.Nov 3, 2001 · N376AL · Skrsky S76A · Fire DetectionSDR HEEA076948Lead · frayedFRAYED AND WORN. REPLACED WITH SERVICEABLE PART.Oct 31, 2001 · N760PH · Skrsky S76A · Spark Plug/IgniterSDR HEEA076949Igniter · frayedFRAYED AND WORN. REPLACED WITH SERVICEABLE PART.Oct 31, 2001 · N760PH · Skrsky S76A · Spark Plug/IgniterSDR HEEA076950Igniter · damagedINOPERATIVE - WILL NOT FIRE. CENTER ELETRODE CAME OUT. REPLACED WITH SERVICEABLE PART.Oct 31, 2001 · N760PH · Skrsky S76A · Spark Plug/Igniter
Back to Allison 250-C30S