JASC 7250
Service difficulty reports · 3,625
Reports filed under 7250 · Turbine Section, newest first.
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 jasc_code = '7250' 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 jasc_code = '7250' 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 CA960429009Turbine Case · punctured(CAN)AFTER TAKEOFF, VIBRATION FROM #2 ENGINE FOLLOWED BY ENGINE FIRE. AFM PROCEDURES CARRIED OUT, BOTH BOTTLES DISCHARGED. FIRE EXTINGUISHED BUT LATER REIGNITED AFTER LANDING, AIRPORT FIRE CREW EXTINGUISHED FIRE. A LARGE QUANTITY OF RESIDUAL OIL NOTED IN THESDR HEEA966968Vane Ring · crackedCRACKED POWER TURBINE 2ND STAGE VANE RING.SDR CA960513001Turbine Disc · fractured(CAN)DURING CLIMB, LOUD BANG FOLLOWED BY HIGH ITT ABOVE 950 DEGREES AND ENGINE FLAME OUT MOLTEN DEBRIS IN THE EXHAUST WITH ALL THREE #6/7 OIL TUBES FRACTURED ENGINE TEARDOWN HAS REVEALED FRACTURE OF TWO LP TURBINE DISC FIRTREE WITH RELEASE OF THREE LPT BLADSDR 96ZZZX3823Turbine · failedCLIMBING THROUGH 5,000 FEET, THE CREW HEARD AND FELT A LOUD REPORT FOLLOWED IMMEDIATELY BY THE LT ENGINE FIRE WARNING LIGHT. THE LT ENGINE SPEED ROLLED BACK TO APPROXIMATELY 12 PERCENT. PILOT SHUT ENGINE DOWN, DISCHARGED THE FIRE BOTTLE AND MADE A SINGLE ENGSDR AU960458Turbine Blade · failed(AUS) NO1 ENGINE FIRST STAGE HPT MISSING APPROXIMATELY HALF A BLADE - FOUND DURING BORESCOPE INSPECTIONSDR 96ZZZX2821Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 96ZZZX2820Rotor Assy · blade shiftFAILED SB LT101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT NR 23, .0105 INCH, NR 15, .0195 INCH. REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES, 1,423.5.SDR 96ZZZX2806Rotor Assy · blade shiftFAILED SB LT101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT NR 10, -0.012 INCH. REPLACED WITH USED UNIT CORRECTED PROBLEM. PART TOTAL CYCLES, 1,475.7.SDR 9607929915Turbine · failedNR 2 ENGINE EXPERIENCED A CONTAINED TURBINE FAILURE AFTER DEPARTING. AIRCRAFT RETURNED TO BIL AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE ENGINE WITH A SERVICEABLE UNIT.SDR 96ZZZX4254Seal Ring · wornWORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.SDR 96ZZZX4253Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 96ZZZX4249Rotor · blade shiftROTOR ASSY FAILED SB LT101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT NR 22 -0.013 INCH. REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES, 2,462.7.SDR 96ZZZX25242nd Stg Nozzle · diaphragm looseUPON RECEIVING FROM ALLISON (NEW) 3-8-96, NOZZLE HAD A DIAPHRAGM MOVEMENT OF .004 INCH. ACCORDING TO CEB-72-3188, THE DIAPHRAGM SHOULD HAVE A MAXIMUM MOVEMENT OF .003 INCH. THIS IS UNACCEPTABLE. THE NOZZLE WAS SENT BACK TO ALLISON FOR WARRANTY. TIGHTENED TSDR 96ZZZX25232nd Stg Nozzle · diaphragm looseUPON RECEIVING FROM ALLISON (NEW) 3-5-96, NOZZLE HAD A DIAPHRAGM MOVEMENT OF .005 INCH. ACCORDING TO CEB-72-3188, THE DIAPHRAGM SHOULD HAVE A MAXIMUM MOVEMENT OF .003 INCH. THE NOZZLE WAS SENT BACK TO ALLISON FOR WARRANTY. TIGHTENED THE KEYS ON THE DIAPHRAGMSDR 96ZZZX25222nd Stg Nozzle · diaphragm looseUPON RECEIVING FROM ALLISON (NEW) 3-5-96, NOZZLE HAD A DIAPHRAGM MOVEMENT OF .005 INCH. ACCORDING TO CEB-72-3188, THE DIAPHRAGM SHOULD HAVE A RADIAL MOVEMENT OF .003 INCH MAXIMUM. THE NOZZLE WAS SENT BACK TO ADDISON FOR WARRANTY. TIGHTENED THE KEYS ON THE DSDR 96ZZZX25212nd Stg Nozzle · diaphragm looseUPON RECEIVING FROM ALLISON (NEW) 3-8-96, NOZZLE HAD A DIAPHRAGM MOVEMENT OF .004 INCH. ACCORDING TO CEB-3188, THE DIAPHRAGM SHOULD HAVE A MAXIMUM MOVEMENT OF .003 INCH. THIS NOZZLE IS UNACCEPTABLE AND WAS SENT BACK TO ALLISON FOR WARRANTY. TIGHTENED THE KESDR CA960513005Blade · fractured(CAN)ENGINE SHUTDOWN FOLLOWING AN INCREASE IN ITT. AS THE POWER LEVER WAS BEING RETARDED, DRBRIS WAS SEEN TO BE COMING FROM THE EXHAUST. INITIAL REPORT INDICATE THIS TO BE A COMPRESSOR TURBINE BLADE FRACTU RE.SDR CA960513002Turbine Disc · fractured(CAN)CLIMBING THROUGH 2,800 FEET, A LOUD SOUND WAS HEARD FROM PORT ENGINE. THE ENGINE WAS SECURED AND RETURNED TO BASE. DISASSEMBLY AT P&WC REVEALED ON LPT DISC FIRTREE HAD FRACTURED BELOW THE FIRST SERRAT ION AND RELEASED TWO BLADES.SDR CA960412006Nozzle · cracked(CAN) FORCED LANDING DUE TO ENGINE FAILURE. TEARDOWN REVEALED 2ND STAGE TURBINE NOZZLE CRACKED AROUND THE INSIDE CIRCUMFERENCE. SPECIFICALLY THEY WERE IN THE BEND RADIUS OF THE 2ND STAGE NOZZLE DIAPHRAGM. THESE NOZZLES HAVE BEEN SENT TO COMPANY FOR ANALYSIS.SDR CAL960436Turbine Blades · brokenTHE NR 2 ENGINE BEGAN TO VIBRATE WITH N1 DROPPING OFF TO 40 PERCENT DURING CLIMB-OUT OF CLE. THE AIRCRAFT WAS RETURNED TO CLE WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND METAL IN THE NR 2 ENGINE TAILPIPE. THE NR 2 ENGINE WAS REMOVED AND REPLACED. TSDR 96ZZZX2446Coupling · brokenDURING PHASE INSPECTION, MAINTENANCE PERSONNEL FOUND ABNORMAL AMOUNT OF METAL IN RIGHT ENGINE MAIN OIL FILTER. UPON FURTHER INVESTIGATION FOUND LARGE STEEL FRAGMENT ON REDUCTION GEARBOX MAGNETIC PLUG. AFTER REMOVAL OF GEARBOX FROM ENGINE, FOUND POWER TURBINESDR 96ZZZX3854Lpt Blade · failedSLC - FLT 4355 - DURING TAKEOFF, NR 2 ENGINE, S/N 1548, SUFFERED A TURBINE FAILURE. ENGINE TOTAL TIME: 33,348 HOURS; 21,618 CYCLES, CHECK C-01 - 2-13-96 - JFK. INVESTIGATION INTO TURBINE FAILURE OF NR 2 ENGINE, S/N 1548, REVEALED THAT AN LPT 4 BLADE SEPARASDR 96ZZZM766Turbine · failedSLC - DURING TAKEOFF NR 2 ENGINE, S/N 1548, SUFFERED A TURBINE FAILURE. ENGINE TOTAL TIME 33,348. TOTAL CYCLES 21,618.SDR AU960774Ngv · damaged(AUS) ENGINE HIGH PRESSURE TURBINE NOZZLE GUIDE VANES (23OFF) DAMAGED -NGVS HAD SEVERE TRAILING EDGE FALLOUT AND WERE DISTORTEDSDR 96ZZZX2822Rotor Assy · blade shiftFAILED SB LT101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT NR 7 AT .0025 INCH. REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES, 2,219.9.SDR 96ZZZX2303Bearing · spalled195 HOURS AFTER INSTALLING OVERHAULED NR 6 TURBINE BEARING, BEARING WAS REMOVED FORM SERVICE DUE TO SPALLED ROLLERS. THIS PROBLEM WAS DISCOVERED DURING A ROUTINE 150-HOUR OIL FILTER ANALYSIS. THE ANALYSIS REVEALED M50 TOOL STEEL PLATELETS, WHICH IS MAIN BEARSDR CA960418016Screw · loose(CAN)ON REMOVAL OF THE 4TH ROTOR, A SCREW WAS FOUND LOOSE AND PROTRUDING APPROXIMATELY 3/16 INCH FROM THE REAR HEAT SHIELD WITH ASSOCIATED DAMAGE IN THE AREA OF THE BLADE ROOTS. RIVET HEADS WORN DOWN AND L IGHTLY RUBBING ON ROTOR DISC. MANUFACTURER SUGGESTED ASDR ERAA96215Nozzle · mis ohauledNOZZLE WAS OVERHAULED AND RETURNED TO ERA 1-11-96. #2-4 SEAL NOT SEATED.SDR ERAA96214Coupling · mis mfgNEW PART WITH PILOT DIAMETER TOO SMALL, WOULD NO FIT DOWN OVER OUTER SHAFT TO REACH THREADS. TURBINE WAS BEING O/H WHEN DESCREPANCY WAS FOUND. PART WAS NEVER INSTALLED.SDR HNAA9697918O-Ring · crackedFLT 3340 - DCA-HPN - DURING DESCENT INTO HPN WITH LOW POWER SETTING, THE CABIN BEGAN TO FILL WITH SMOKE. CYCLED EACH BLEED OFF AND RAISED CABIN ALTITUDE TO REMOVE SMOKE. THE AIRCRAFT LANDED IN HPN WITHOUT INCIDENT. REMOVED AND REPLACED THE P2.5 AIR SWITCHINSDR HEEA966860Wheel · blade erodedENGINE REMOVED DUE TO #1 AND #2 WHEEL CYCLE RETIREMENT. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: 1ST STAGE WHEEL BLADES MINOR SULFIDATION AND ERODED LEADING EDGE. SCRAPPED 1ST STAGE WHEEL.SDR CAL960371T3 Blade · brokenTHE AIRCRAFT REJECTED TAKEOFF AT HIGH SPEED AFTER THE NR 2 ENGINE FAILED. THE ENGINE FAILURE WAS ACCOMPANIED BY A LOUD POP AND LOW N1. MAINTENANCE FOUND BLADES MISSING FROM COMPRESSOR WITH HEAVY DAMAGE TO TURBINE. THE NR 2 ENGINE WILL BE REMOVED AND REPLACESDR CA960614022Bolts · broken(CAN)BOLT FOUND LODGED IN POWER TURBINE BLADE ON ROUTINE BORESCOPE INSPECTION. 2 BROKEN BOLTS ON THE INTERSTAGE CASE FLANGE. SEVERE CORROSION AT ALL BOLT POSITIONS OF THE INTERSTAGE CASE REAR FLANGE. THIS ENGINE WAS PRE SB 21175.SDR 96ZZZX2802Shear Pin · failedPILOT NOTED A HIGH PITCH WHINE EMANATING FROM ENGINE AREA. A VISUAL INSPECTION WAS PERFORMED OF THE ENGINE AND DRIVE TRAIN AREAS. NO DEFECTS NOTED. ENGINE CHIP PLUGS WERE INSPECTED. NO METAL NOTED. APPROXIMATELY 1.50 HOURS AFTER INSPECTION, THE ENGINE CHISDR 96ZZZX2538Engine Assy · making metalPILOT NOTED A HIGH PITCH WHINE EMANATING FROM THE ENGINE AREA. A VISUAL INSPECTION WAS PERFORMED OF THE ENGINE AND DRIVE TRAIN AREAS. NO DEFECTS NOTED. THE ENGINE CHIP PLUGS WERE INSPECTED. NO METAL NOTED. APPROX 1.50 HRS AFTER INSPECTION, ENGINE CHIP LIGSDR 96ZZZX2483Gear · making metalTHE POWER SECTION AND GAS GENERATOR WOULD NOT ROTATE AT TIME OF DISASSEMBLY. THE CHIP DETECTOR AND AGB HAD BRONZE METAL PIECES. WHEN THE MODULES WERE SEPARATED THERE WAS A HEAVY SMELL OF HYDRAULIC FLUID COMING FROM THE OIL THAT WAS DRAINED FROM THE MODULES. SDR 96ZZZX2904Bearing · failedDURING DESCENT, FLT CREW OBSERVED FLUCTUATING FUEL FLOW ON RT ENG FOLLOWED BY VIBRATION AND NOISE. CREW REDUCED POWER SETTING TO IDLE AND CONTINUED FLT. DURING FINAL APROACH, OIL PRESSURE BEGAN TO FLUCTUATE AND LOW OIL PRESSURE CAUTION LIGHT ILLUMINATED. PISDR 96ZZZX1730Seal · flange crackedDURING SCHEDULED CAM INSPECTION, FOUND ROTATING AIR SEAL CRACKED AT FLANGE. THIS IS A CRITICAL LIFE-LIMITED COMPONENT. LIFE-LIMIT IS 20,000 CYCLES. SUBMITTER STATES THIS IS THE 29TH MALFUNCTION/DEFECT REPORT SUBMITTED BY THIS FACILITY ON THIS DISCREPANCY. SDR 96ZZZX1729Seal · flange crackedDURING SCHEDULED CAM INSPECTION, FOUND AIR SEAL CRACKED AT FLANGE. CRACKING RESULTED IN DEFLECTION OF SEALING SURFACE OF .040 INCH CAUSING LOSS OF COOLING AIR FOR TURBINE SECTION. THIS IS A CRITICAL LIFE-LIMITED COMPONENT. LIFE-LIMIT IS 20,000 CYCLES. SUBMSDR 96ZZZM745Turbine Blades · damagedFLT 047 - KMIA-KMIA - DURING FLIGHT, NR 1 ENGINE ENCOUNTERED A SERIES OF MILD COMPRESSOR STALLS. EPR DROPPED TO '0', N1 WAS SET AT 106.0. VISUAL INSPECTION REVEALED TURBINE BLADE DAMAGE. REMOVED ENGINE ASSEMBLY AND INSTALLED SERVICEABLE ENGINE ASSEMBLY. AISDR 96UAL900192Turbin Mid Frame · crackedNR 3 ENGINE TURBINE MID FRAME HAS CRACK 1.5 INCHES LONG AT 6 O'CLOCK POSITION.SDR 96ZZZX2537Turbine · making metalENGINE CHIP LIGHT ILLUM ON FINAL APPROACH. MECHANIC INSPECTED ENG CHIP PLUGS & FND FUZZ & LIGHT METAL ON UPPER CHIP PLUG. PENALTY RUN ACCOMPLISHED & WHILE ON SHUT DOWN AT APPROX 35-40 PERCENT N1, MECHANIC HEARD NOISE (HVY GRINDING) FROM ENG AREA. MECHANIC MSDR 96ZZZX2930Gas Generator · failedTPA - EN ROUTE IN CRUISE FLIGHT, TWO 'POPS' WERE HEARD, LEFT ENGINE. TORQUE DROPPED, PRESSURES DROPPED, PILOT FEATHERED ENGINE AND SHUT DOWN ENGINE. LANDED TPA. PILOT'S INSPECTION NOTED HOLES IN EXHAUST STACKS AND OIL ALL OVER NACELLE AND FUSELAGE. AIRCRAFSDR ERAA96212Outer Shaft · worn curvicOUTER SHAFT WAS INST'D ON TURBINE ASSY 5/11/95 , TT 2793.4. INST'D ON , A/C TT 7234.1 AND HAD TO REMOVE BECAUSE SHAFT HAS WORN CURVIC.SDR ERAA96211Pt Support · pittedP T SUPPORT OVERHAULED AND RET'D TO ERA 6/23/95. UPON RECEIVING , INSPECTOR FOUND LARGE PIT IN AREAA11:00 OIL NOZZLE STRUT.SDR AALA960375Turbine Blades · failedORD - FLT 1853 - EN ROUTE ROC/ORD - DURING CRUISE, LOUD BANG FOLLOWED BY LOSS OF POWER FROM NR 2 ENGINE AND NO EPR OR N1 INDICATIONS. ACCOMPLISHED SHUTDOWN OF NR 2 ENGINE AND AIRCRAFT PROCEEDED SINGLE ENGINE TO ORD, LANDING WITHOUT INCIDENT. REPLACED NR 2 ENSDR 96ZZZM890Turbine Blade · failedORD - FLT 1853 - EN ROUTE ROC/ORD - DURING CRUISE, LOUD BANG FOLLOWED BY LOSS OF POWER FROM NR 2 ENGINE AND NO EPR OR N1 INDICATIONS. ACCOMPLISHED SHUTDOWN OF NR 2 ENGINE AND AIRCRAFT PROCEEDED SINGLE ENGINE TO ORD, LANDING WITHOUT INCIDENT. REPLACED NR 2 ENSDR ERAA96208Nozzle · mis ohauledNOZZLE SENT TO OVERHAUL . FLANGE NOT MACHINED TO PROPER DIMENSION CAUSING NOZZLE NOT TO SEAT PROPERLY ON THE SUPPORT DURING INSTALLATION.SDR 96ZZZX2594Deflector · brokenENGINE NOISE DURING START-UP AND SHUT DOWN. REMOVED AND DISASSEMBLED MO5, 4, AND 3. FOUND COVER AND DEFLECTOR BROKEN AND RUBBING ON MO4 TURBINE DISC. THIS IS 2ND TIME THIS ENGINE SERIAL NUMBER HAS HAD A COVER AND DEFLECTOR BROKEN. SUBMITTER SUGGESTS A DIFFSDR 96ZZZX2593Cover · crackedENGINE NOISE DURING START-UP AND SHUT-DOWN. REMOVED AND DISASSEMBLED MO5, 4, AND 3. FOUND COVER AND DEFLECTOR BROKEN AND RUBBING ON MO4 TURBINE DISC. THIS IS 2ND TIME THIS ENGINE SERIAL NUMBER HAS HAD A COVER AND DEFLECTOR BROKEN. SUBMITTER SUGGESTS A DIFF
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