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 CA960605008Blade · fractured(CAN)AT TOP OF CLIMB, #3 ENGINE VIBRATION SUDDENLY ESCALATED TO 3.0 IPS, N1 DECAY ALSO EVIDENT, ENGINE SHUTDOWN. BOROSCOPE INSPECTION REVEALED ONE RUPTURED BLADE ON #2 G.P. TURBINE DISC.SDR P5CA9600364Turbine Exh · crackedNR 3 ENGINE 'R' AND 'S' RAILS CRACKED IN PREVIOUS WELDED AREAS AT 12 O'CLOCK POSITION. THE 'S' FLANGE CLEVIS PIN HAS PINHOLE CRACK, THE 'R' FLANGE 12 O'CLOCK RACETRACK SLOT RADIAL CRACK TO RAIL. INSPECTED TURBINE EXHAUST CASE AT 1,000 HR INTERVALS FOLLOWING SDR CA960619037Nozzle · cracked(CAN) CRACKS FOUND IN THE BEND RADIUS OF THE SECOND STAGE NOZZLE DIAPHRAGM. NOZZLES SENT TO MANUFACTURER. TWO INCH LONG CRACK WITH CRAZE CRACKS OVER 50 PERCENT OF CIRCUMFERENCE. PART TC: 3,527.SDR CA960619036Nozzle · cracked(CAN) CRACKS FOUND IN THE BEND RADIUS OF THE SECOND STAGE NOZZLE DIAPHRAGM. NOZZLES SENT TO MANUFACTURER. PART TC: 3,030.SDR CA960619035Nozzle · cracked(CAN) CRACKS FOUND IN THE BEND RADIUS OF THE SECOND STAGE NOZZLE DIAPHRAGM. NOZZLES SENT TO MANUFACTURER. PART TC: 3,368.SDR CA960619034Nozzle · cracked(CAN) CRACKS FOUND IN THE BEND RADIUS OF THE SECOND STAGE NOZZLE DIAPHRAGM. NOZZLES SENT TO MANUFACTURER. PART TC: 3,694.SDR CA960619033Nozzle · cracked(CAN) CRACKS FOUND IN THE BEND RADIUS OF THE SECOND STAGE NOZZLE DIAPHRAGM. NOZZLES SENT TO MANUFACTURER. PART TC: 4,214.SDR HEEA967252Nozzle · crackedENGINE REMOVED DUE TO LOW POWER AND SMOKING. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKED BEYOND SERVICEABLE LIMITS ON 1ST STAGE NOZZLE VANE. REPLACED DISCREPANT PART. PHI REQUESTING 100% WARRANTY REPAIR. PART OVERHAULED ON DALLAS AIRMOTISDR 96ZZZM1176Shroud Flange · wornSAN - FLT 308 - ON TAKEOFF, SHUT DOWN NR 1 ENGINE, S/N 1217, DUE TO LOSS OF EPR AND INCREASE IN EGT. FOUND METAL PARTICLES IN TAILPIPE. REPLACED ENGINE, ENGINE OPERATION THEN CHECKED NORMAL. INVESTIGATION REVEALED SECOND STAGE LOW PRESSURE TURBINE VANES WORESDR ERAA96242Wheel · blade stretchWHEEL HAS 252.0 HRS ON IT AND HAS BLADE TIP STRETCH TO 6.197".SDR CA960524001Blade · fractured(CAN)ON TAKEOFF JUST AFTER POWER SET, A BANG HEARD & #3 FAN SPEED DROPPED TO "0" RPM. TAKEOFF REJECTED & #3 ENGINE SHUTDOWN. ENGINE TEARDOWN REVEALED SEVERE DAMAGE STARTING AT THE #1 TURBINE DISC REARWARD.NO DAMAGE NOTED AHEAD OF THE DISC OTHER THAN THE TRAILISDR SRAA59604Turbine Blade · damagedDURING CRUISE TO ARI FLT NR 1204, NR 2 ENGINE HAD LOW TORQUE AND HIGH FUEL FLOW, ACCOMPLISHED ENGINE SHUT DOWN AS PRECAUTIONARY PRIOR TO LANDING, AIRCRAFT LANDED WITHOUT INCIDENT. FOUND NR 2 ENGINE HAD TURBINE BLADES DAMAGED. REPLACED NR 2 ENGINE AND PERFORMSDR 96ZZZX5363Inner Shaft · pittedTHE DEFECT DESCRIBED BELOW WAS DISCOVERED DURING INSPECTION OF THE PART ON RECEIPT FROM A 3RD PARTY VENDOR. THE ALLISON GAS TURBINE 250-C20 SERIES OVERHAUL MANUAL, TABLE VI-19, PAGE 6-114, PROVIDES INSPECTION CRITERIA FOR POWER TURBINE INNER SHAFTS. ITEM 27ASDR 96ZZZX5362Coupling · damaged splinesTHE DEFECT WAS DISCOVERED DURING INSPECTION OF THE PART ON RECEIPT FROM A 3RD PARTY VENDOR. THE ALLISON GAS TURBINE 250-C20 SERIES OVERHAUL MANUAL PROVIDES IN TABLE VI-19 INSPECTION CRITERIA FOR POWER TURBINE COUPLINGS. ITEM 58 OF THIS TABLE, ON PAGE 6-119 ASDR HEEA967234Nozzle Diaphragm · crackedTURBINE REMOVED DUE TO CYCLED OUT #1 AND #2 WHEELS. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKED BEYOND OVERHAUL LIMITS ON 2ND STAGE NOZZLE DIAPHRAGM. REPLACE DISCREPANT PART.SDR 96ZZZX4017Spacer · displacedDURING DISASSEMBLY OF NGV3, FOUND THE RING SPACER AIR SEAL, PN 596968, HAD DEPARTED FROM HOUSING. THIS RING WAS FOUND BETWEEN DISK AND NGV3. DAMAGE (IMPACTS, CRACS, ETC.) ARE VISIBLE ON STAGE 2 BLADES AND STAGE 3 NGVS.SDR HEEA967229Nozzle · crackedTURBINE REMOVED DUE TO LOW POWER ON TEST CELL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKED BEYOND SERVICEABLE LIMITS ON #2 NOZZLE BRAZEMENT BETWEEN DIAPHRAGM AND VANE INNER BAND. REPLACED DISCREPANT PART.SDR HEEA967228Nozzle Vanes · crackedENGINE REMOVED DUE TO STRIPPED THREADS IN OIL OUT PORT. TURBINE DISASSEMBLED DUE TO LOW POWER ON TEST CELL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKED BEYOND SERVICEABLE LIMITS ON NR 1 NOZZLE VANES. REPLACED DISCREPAN T PART.SDR HEEA967227Nozzle · crackedENGINE REMOVED DUE TO EXCESSIVE SMOKE ON SHUTDOWN. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKED AND BOWED BEYOND SERVICEABLE LIMITS ON #1 NOZZLE VANES. REPLACED DISCREPANT PART.SDR 96ZZZX3051Blade · brokenSECOND STAGE TURBINE ROTOR BLADE FAILURE IN-FLIGHT, WITHOUT INCIDENT. ENGINE TT, 11,164.7 HRS, CYCLES, 8,081, TSO, 330.9 HRS, TTHSI, 330.9 HRS, TOTAL PART TIME 330.9 HRS. UNIT WAS OVERHAULED 4-12-95.SDR 96ZZZX2899Nozzle Shield · crackedDURING REPAIR OF THE TURBINE, NOTED THE DEFLECTOR ON THE FIRST STAGE NOZZLE SHIELD WAS BURNED. CLOSER EXAMINATION REVEALED 2 CRACKS IN THE DOME DETAIL. THE DOME WAS CHECKED FOR PROPER MATERIAL PER DEB A-72-3208 AND WAS FOUND TO CONFORM. SUSPECT THE CAUSE COUSDR 9610679304Turbine · failedNR 2 ENGINE EXPERIENCED A CONTAINED TURBINE FAILURE DURING CLIMB-OUT. FLIGHT RETURNED TO ATL AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED NR 2 ENGINE ASSEMBLY. AIRCRAFT RETURNED TO SERVICE.SDR TWRA9626Turbine · failedAT 13,000 FEET AFTER TAKEOFF LOUD BOOM WAS HEARD AND CONFIRMED ENGINE ON NR 3 ENGINE. AFTER RETURN TO JED INITIAL INSPECTION FOUND METAL IN TAILPIPE. BORESCOPE INSPECTION FOUND SECOND STAGE TURBINE FAILURE. ENGINE TO BE REPLACED. (M)SDR CA960604020Turbine · seized(CAN)INSTALLED TURBINE ON AIRCRAFT AND COMPLETED A GROUND RUN AND TEST FLIGHT. TURBINE CHECKED OK. A SECOND START WAS ATTEMPTED BUT THERE WAS NO NR UPON REACHING 30 PERCENT N1. ANOTHER START WAS ATTEMPTED,BUT AGAIN THE NR WOULD NOT ROTATE. TURBINE RETURNED TO SDR CA960521007Blades · fractured(CAN)SHORTLY AFTER TAKEOFF, A LOUD BANG WAS HEARD ACCOMPANIED BY A LOSS OF POWER. AIRCRAFT LANDED IN A PLOWED FIELD, NO DAMAGE. INSPECTION REVEALED PERFORATIONS OF THE EXHAUST STUBS AND DUCT, SEVERAL POWERTURBINE BLADES FRACTURED AT MID SPAN.SDR ZIAA96015Bearing Support · crackedANC - DURING TAKEOFF FROM ADQ, HAD FIRE WARNING INDICATION ON NR 3 ENGINE. E-HANDLE PULLED AT 22.37Z. CREW ELECTED TO PROCEED TO ANC. FOUND NR 3 ENGINE REAR TURBINE BEARING SUPPORT COCKED AND CRACKED 75 PERCENT OF ITS CIRCUMFERENCE, THUS DIRECTING EXHAUST GSDR CA960521010Blade · fractured(CAN)FOLLOWING A STALL EXERCISE DURING FLIGHT TRAINING, ON POWER APPLICATION, THERE WAS AN EXPLOSION FROM THE ENGINE. ENGINE WAS SECURED AND A LANDING MADE. AFTER ENGINE SPLIT AT THE "C" FLANGE, A FRACTURE D POWER TURBINE BLADE WAS EVIDENT.SDR CA960521008Gas Generator · seized(CAN)IN CRUISE, #2 ENGINE STOPPED SUDDENLY WITH NO WARNING OF UNUSUAL ENGINE PARAMETERS. RETURNED TO ALBUQUERQUE WITHOUT INCIDENT. INSPECTION REVEALED THE GAS GENERATOR SECTION SEIZED AND METAL CONTAMINATI ON OF THE OIL FILTER. THE POWER TURBINE ROTATES FREELYSDR 96ZZZX4268Rotor Assy · blade shiftFAILED SB LT101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT NR 18 +0.016 INCH. LEAD-THE-FLEET. REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES, 4,274.1.SDR 96ZZZX4267Seal Ring · wornSEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.SDR 96ZZZX3632Shaft · crackedTHE LPT SHAFT HAS 2 EACH CRACKS, ONE IS 5 AND ONE IS 7 INCHES LONG, ONE INCH APART STARTING APPROXIMATELY .50 INCH FROM THE AFT END OF THE SPLINES. INVESTIGATION IS IN PROGRESS BY CFMI.SDR 96ZZZM973Turbine · damagedMCI - DURING CRUISE, SHUT DOWN NR 1 ENGINE, S/N 3208, DUE TO RAPID DETERIORATION OF ENGINE PARAMETERS. FOUND TURBINE DAMAGE. CHANGED ENGINE. ENGINE OPERATION THEN CHECKED NORMAL. (M)SDR HEEA967096Nozzle · crackedENGINE REMOVED DUE TO CYCLED OUT 1ST AND 2ND STAGE WHEELS. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKS BEYOND OVERHAUL LIMITS ON OUTER BAND (2 EA) AND 50% OF VANES AT TRAILING EDGE. REPLACED PART. NOTE: FUEL NOZZLE SPRAY PATTERN CHECKED GOSDR HEEA967091Seal · bore oversizeUPON INSPECTION OF PART FOUND THE #5 STATIONARY LAB SEAL BORE I.D. .006 OVERSIZE.SDR CA960513009Turbine Blade · blade(CAN) AFTER TAKEOFF, ENGINE VIBRATION ON NR 4 ENGINE AT 3.0 IPS. CREW REDUCED POWER TO FLIGHT IDLE AND VIBRATION DECREASED TO 1.0 IPS. ONE BLADE MISSING ON 4TH TURBINE DISC AND 4TH NOZZLE DAMAGE.SDR CA960513008Blades · ruptured(CAN)IN CRUISE, #4 ENGINE TGT AND VIBRATION ABOVE LIMITS ACCOMPANIED BY FLAMES OUT OF TAILPIPE ENGINE SHUTDOWN. BORESCOPE INSPECTION REVEALED FIRST STAGE GAS PRODUCER TURBINE BLADES RUPTUREDSDR 96ZZZX2823Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 96ZZZX2816Seal Ring · wornSEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.SDR 96ZZZX2814Seal Ring · wornSEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.SDR 96ZZZX2813Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 96ZZZX2809Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA967081N1 Coupling · step wearENGINE REMOVED DUE TO TURBINE CYCLES. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: STEP WEAR BEYOND OVERHAUL LIMITS IN N1 COUPLING FWD SPLINES. REPLACED WITH SERVICEABLE PART.SDR HEEA967078Shaft · defectiveUPON INSPECTION OF NEW PART NOTED THE FOLLOWING: ALSEAL COATING FLAKING ON OUTER PT SHAFT O.D.SDR 96ZZZX2482Wheel · shroud crackedTURBINE WAS DISASSEMBLED AS PART OF ENGINE REPAIR FOR COMPRESSOR STALLS. FOUND THE SHROUD ON THE THIRD STAGE WHEEL CRACKED ALL THE WAY THROUGH.SDR CAL960515T1 Blade · brokenTHE NR 1 ENGINE OIL PRESSURE READ 60 PSI, BUT FLUCTUATED PLUS OR MINUS 5 PSI AND WITHIN 30 SECONDS THE OIL TEMPERATURE BEGAN RISING RAPIDLY. THE ENGINE WAS SHUT DOWN AND RETURNED TO GSO. THE NR 1 ENGINE WAS REMOVED AND REPLACED. SHOP TEAR-DOWN FINDINGS REVESDR HEEA967042Shaft · defectiveUPON INSPECTION OF NEW OUTER PT SHAFT NOTED THE FOLLOWING: ALSEAL COATING FLAKING ON SHAFT O.D. NEW PART INSTALLED.SDR ERAA96226Nozzle · defectiveNOZZLE SENT FOR O/H AND RET'D 4-3-96 WITH T.I.R. ON SEAL AND BLADE PATH BEYOND ALLOWABLE LIMITS.SDR ERAA96225Sump Cover · leakP.T. SUMP COVER WAS SENT FOR OVERHAUL . PART HAS 28.7 HRS T.S.O. AND IS LEAKING AT BOLT HOLE AS MARKED .SDR 96ZZZX4243Rotor Assy · blade shiftFAILED SB L5101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT NR 9 -0.012 INCH. REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES: 3,425.2.SDR 96ZZZX4218Seal Ring · wornSEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.
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