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.

SDR 96ZZZX2134Lpt 3 Seal · failedLNK - FLT 235 - DURING CRUISE SHUT DOWN NR 2 ENGINE, SN 1402, DUE TO OIL LOSS. FOUND OIL LEAK IN TURBINE AREA. REPLACED NR 2 ENGINE AND ENGINE OPERATION CHECKED NORMAL. ENGINE TOTAL TIME: 9,465 HOURS; 4,437 CYCLES. CHECK C-1D - 12-23-95 - JFK. FURTHER INMar 2, 1996 · N9401W · Doug DC983SDR ERAA96207Nozzle · mis ohaulNOZZLE REC'D BACK FROM OVERHAUL. ROPE PACKING GROOVE IN OUTER BAND TOO NARROW TO SEAT ROPE.Mar 1, 1996 · N299EH · Bolkms BO105SSDR ERAA96205Wheel · blade stretchBLADE STRETCH .005 OVER PRINT SIZE.Mar 1, 1996 · N125EH · Bolkms BO105SSDR 96ZZZX2810Rotor Assy · blade shiftFAILED SB LT101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT NR 25 +0.012 INCH. NR 24 +0.012 INCH. REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES, 3,601.2.Mar 1, 1996 · N420MB · Bolkms BK117A3SDR 96ZZZX1961Blade · erodedBORESCOPE INSPECTION FOUND EVIDENCE OF COATING LOSS FROM COMPRESSOR TURBINE BLADES. COATING WAS ERODED FROM LEADING EDGES OF SOME BLADES. ENGINE WAS SPLIT AT 'C' FLANGE, HOT SECTION INSPECTED FURTHER. CT WHEEL REMOVED AND SHIPPED TO PRATT AND WHITNEY FOR INMar 1, 1996 · N6739P · Beech 200BEECHSDR PLG22796E2Cooling Plate · failedEN ROUTE FROM BOS-PHL - WHILE TRANSITIONING OUT OF A SLOWDOWN FROM ATC, PILOT ADVANCED POWER LEVERS AND HEARD A LOUD BANG EMINATE FROM THE RIGHT ENGINE. CREW OBSERVED ENGINE INSTRUMENTS INDICATING LOSS OF POWER AND A CLIMBING ITT THAT REACHED 1130 CELSIUS PRIFeb 27, 1996 · N363BE · Saab 340BSDR ERAA96200Heat Shield · cracked band#1 HEAT SHIELD HAS 522.4 HRS ON IT AND HAS A CRACKED OUTER BAND.Feb 26, 1996 · N126EH · Bolkms BO105SSDR 96UAL900146Blade · fracturedDURING CLIMBOUT, HEARD LOUD SQUEAL AND VIBRATION FROM NR 2 ENGINE. EPR DROPPED OFF FROM 2.17 TO APPROXIMATELY 1.6 AND THEN EGT BEGAN TO CLIMB RAPIDLY. PERFORMED ENGINE SHUTDOWN. ORIGIN OF FAILURE NOT DETERMINED DUE TO THE ENGINE OPERATION AFTER THE FAILURE.Feb 26, 1996 · N7289U · Boeing 727222SDR ERAA96199Nozzle Vane · crackedNR 1 NOZZLE VANES CRACKED.Feb 23, 1996 · N126EH · Bolkms BO105SSDR ERAA96198Labyrinth Seal · mis mfgBEARING BORE OVER MAX DIMENSION.Feb 23, 1996 · N125EH · Bolkms BO105SSDR ERAA96197Nozzle · crackedNOZZLE WAS OVERHAULED ON DALLAS AIRMOTIVE W/O F1329, HAS 426.7 TSO AND VANES ARE CRACKED & BURNED.Feb 22, 1996 · N149EH · Bolkms BO105SSDR CA960502010Turbine Assy · failure(CAN) ENGINE DEVELOPING LOW POWER AND HIGH TOT, POWER ASSURANCE CHECK FAILED. TURBINE ASSEMBLY REPLACED, AIRCRAFT RETURNED TO SERVICE.Feb 22, 1996 · Bell 206BSDR ERAA96196Nozzle · crackedNOZZLE WAS OVERHAULED ON AVIALL W/O C67134 . NOZZLE HAS CRACKS IN SADDLE AREAS.Feb 21, 1996 · N149EH · Bolkms BO105SSDR ERAA96195Heat Shield · crackedOUTER BAND OF #1 HEAT SHIELD IS CRACKED.Feb 21, 1996 · N125EH · Bolkms BO105SSDR ERAA96194Seal · damagedBELLOWS SEAL HAS CHIPS ON SEAL FACE.Feb 21, 1996 · N125EH · Bolkms BO105SSDR ERAA96193Nozzle · cracked#1 NOZZLE HAS CRACKED VANE TRAILING EDGES.Feb 21, 1996 · N125EH · Bolkms BO105SSDR CA960311007Blades · failed(CAN) ON TAKEOFF ROLL AT 2000 LBS TORQUE, A LARGE POPPING SOUND CAME FROM THE #2 ENGINE, FOLLOWED BY VIBRATION. TAKEOFF ABORTED AND ENGINE SHUT DOWN ON TAXI IN. INSPECTION FOUND DAMAGE TO #1 AND #2 POWER TURBINE DISCS AND IMPACT DAMAGE TO THE EXHAUST PENUM PLEFeb 20, 1996 · Stbros SD360SDR 96ZZZX1024Shield · warpedDURING REPLACEMENT OF NR 1 TURBINE NOZZLE, THE NOZZLE SHIELD WAS FOUND WARPED OUT OF SHAPE. PART SENT IN FOR OVERHAUL.Feb 20, 1996 · N5074R · Hughes 369DSDR CA960429010Blade · separated(CAN) CRUISING AT 35,000 FEET AND ALL SYSTEMS NORMAL. THERE WAS A LOUD BANG, TIT WENT TO MAX., AND ENGINE FLAMED OUT. AIRCRAFT TURNED AROUND AND RETURNED TO ORIGIN. AFTER TEARDOWN, HP TURBINE BLADE SEPARATION WAS FOUND TO BE THE CAUSE OF THE FAILURE.Feb 17, 1996 · Lear 35ASDR AU960217Bearing · failed(AUS) NO1 ENGINE VIBRATION AT APPROXIMATELY 70% N1 - CREW ADVISED OF 4-5 LARGE ILLUMINATIONS FROM LEFT WING AREA - ENGINE REDUCED TOIDLE WHERE OPERATION APPEARED NORMAL - SUSPECT NO4 BEARING FAILUREFeb 16, 1996SDR 96ZZZX1956Turbine · damagedAT THE CUSTOMER'S REQUEST, A BORESCOPE INSPECTION OF THE HIGH PRESSURE TURBINE, IMPELLER, AND THE NR 4 BEARING WAS PERFORMED. THE HIGH PRESSURE TURBINE SHOWED SIGNS OF FOD DAMAGE. REMOVED THE ENGINE'S HOT SECTION AND FOUND THE H.P. TURBINE DAMAGED. THE DIFFFeb 16, 1996 · N402ST · Cessna 550SDR 96ZZZX1118Bearing · damagedENGINE WAS REMOVED FROM SERVICE DUE TO IN-FLIGHT SHUT DOWN. DISASSEMBLY OF THE ENGINE REVEALED THE NR 4 BEARING AREA WITHIN THE HPT ROTOR REAR SHAFT AND LPT NR 4 BEARING ROTATING SEALS HAD HEAVY DAMAGE. FURTHER INVESTIGATION IS IN PROCESS AT AVIALL.Feb 15, 1996SDR USAASB96031T3 Blade · failedFLT 1930 - PHL - NR 1 ENG COMPRESSOR STALLED, WOULD NOT SPOOL UP AFTER. DURING TAXI BACK IDLE EGT KEPT CREEPING UP, SHUT IT DOWN A T530. AT GATE GROUND PERSONNEL REPORTED TAIL PIPE FIRE. FIRED BOTH BOTTLES AND EVACUATED AIRCRAFT. NO FIRE WARNING, FIRE WARNFeb 13, 1996 · N283AU · Boeing 7372B7SDR PLG21296J1Bearing · spalledDURING LANDING APPROACH, CREW OBSERVED A NR 2 ENGINE CHIP LIGHT ILLUMINATION. FOLLOWING REPLACEMENT, THE POWERPLANT WAS DIRECTED TO A REPAIR FACILITY. UPON TEARDOWN THE SOURCE OF CHIPS WAS CONFIRMED TO BE SPALLED NR 4 AND AXIS B-B. (M)Feb 12, 1996 · N350BE · Saab 340BSDR 96ZZZX1727Seal · flange crackedDURING SCHEDULED CAM INSPECTION, FOUND AIR SEAL CRACKED AT FLANGE. THIS IS A CRITICAL LIFE-LIMITED COMPONENT. LIFE-LIMIT IS 20,000 CYCLES. SUBMITTER SUGGESTS THIS IS THE 26TH MALFUNCTION/DEFECT REPORT ON THIS PART BY THIS FACILITY. PART TOTAL CYCLES, 7,435Feb 12, 1996SDR HEEA966680Shield · defectiveUPON INSPECTION PER CEBA-72-3208 OF DALLAS AIRMOTIVE OH #1 NOZZLE SHIELD, NOTED THE FOLLOWING: DOME FAILED CHEMICAL CHECK.Feb 9, 1996 · N8591X · Bell 206L3SDR 96ZZZX1635Vane · plating peelREPORTED CAUSE FOR REMOVAL OF ENGINE FROM AIRCRAFT WAS TURBINE BLADE FAILURE. INVESTIGATION FINDINGS: ENGINE DISASSEMBLED AS NECESSARY AND REPAIRED DUE TO TURBINE BLADE FAILURE. DISCREPANCY NOTED DURING INSPECTION WAS PLATING PEELING OFF 23 EACH, PN 569551,Feb 9, 1996SDR 96ZZZX1360Blade · overlapDUE TO CORROSION DMG DISCOVERED ON RT ENG, CUSTOMER ELECTED TO DISASSEMBLE LT ENG FOR CORROSION INSP, & SUBSEQUENT COMPR OVERHAUL PER P&WA. UPON DISASSEMBLY OF COMPR, SEVERE CORROSION NOTED ON STEEL COMPONENTS. CORRRODED STEEL DISK REJECTED. CUSTOMER ELECTEFeb 9, 1996 · N401MS · Rkwell NA26560SDR 9603326603Turbine · damagedEN ROUTE, THE NR 1 ENGINE STALLED AND IFSD WAS ACCOMPLISHED. RESTART WAS ATTEMPTED, BUT FAILED. CREW FOLLOWED COCKPIT OPERATING PROCEDURE AND RETURNED TO NRT. VISUAL INSPECTION REVEALED METAL IN THE TAILPIPE AND A 6TH STAGE TURBINE DAMAGE. REPLACED NR 1 ENFeb 9, 1996 · N603US · Boeing 747151SDR CAL960110Turb Blade · brokeFLT NR 1930 - IAH - THE NR 2 ENGINE SHUDDERED AND THEN BEGAN TO LOSE POWER DURING CLIMB-OUT OF IAH. THE NR 2 ENGINE WAS SHUT DOWN AND THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. THE NR 2 ENGINE WAS REMOVED AND REPLACED. INVESTIGATION Feb 8, 1996 · N73243 · Boeing 7372C0SDR 96ZZZX1568Rotor Assy · blade shiftFAILED SB LT101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT NR 1 PLUS 0.013 INCH, NR 12 PLUS 0.012 INCH, NR 14 PLUS 0.012 INCH, NR 24 PLUS 0.010 INCH. REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES, 3000.3.Feb 8, 1996 · N5188B · Bolkms BK117B1SDR CA960222025Blade · ruptured(CAN) AIRCRAFT DEPARTED AND AT TOP OF CLIMB #4 ENGINE ENCOUNTERED A VIBRATION REGISTERING 1.8 I.P.S.AIRCRAFT RETURNED TO BASE FOR MAINTENANCE INVESTIGATION. ENGINE SHOP TEARDOWN REVEALED A SINGLE 2ND TURBINE BLADE RUPTURE, WHICH CAUSED SIGNIFICANT DOWNSTREAM GFeb 7, 1996SDR CA960212038Blade · fractured(CAN) IN CRUISE, THE WASHROOM SMOKE DETECTOR ALARM SOUNDED AND A SLIGHT ODOUR OF OIL IN THE CABIN WAS NOTICED. POST FLIGHT INSPECTION REVEALED A VIBRATION IN THE CONTROLS DURING ENGINE START. UPON ENGINE REMOVAL, TWO LP TURBINE BLADES WERE FOUND TO BE FRACTUREFeb 7, 1996SDR 9603569305Turbine · failedNR 1 ENGINE EXPERIENCED A CONTAINED TURBINE FAILURE ON TAKEOFF ROLL. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE ENGINE WITH A SERVICEABLE UNIT.Feb 5, 1996 · N307RC · Doug DC982SDR CAL960074Turb Blade · brokenEWR - FLT 2000 - THE NR 2 ENGINE GAVE OFF A LOUD BANG ON CLIMB-OUT OF EWR. ENGINE POWER WAS REDUCED AND THE AIRCRAFT WAS RETURNED TO EWR. MAINTENANCE FOUND METAL IN THE NR 2 ENGINE TAILPIPE. THE NR 2 ENGINE WAS REMOVED AND REPLACED. THE SDR WILL REMAIN OPEFeb 2, 1996 · N93738 · Boeing 727224SDR 96ZZZX4829Labyrinth Seal · fracturedTURBINE WAS REMOVED DUE TO RUB. UPON DISASSEMBLY, FOUND THE GP STATOR SEAL HAD FRACTURED AT THE FORWARD END OF THE BEARING BORE. THIS TURBINE HAD THE NEW NR 8 BEARING AND RETAINING PLATE INCORPORATED PER CEB 1326. CAUSE OF FAILURE UNKNOWN.Feb 2, 1996SDR 96ZZZX23584th Stage Nozzle · defectiveUPON 1,750-HOUR INSPECTION, FOUND DIAPHRAGM CRACKED AND THE PART WAS SENT FOR OVERHAUL.Feb 2, 1996 · N378E · Aerosp AS355FSDR SWHA96001Wheel · defectiveSUMMARY REPORT OF FINDINGS OF TEAR DOWN REPORT OF SEIZED ENGINE, TEARDOWN OF HOT SECTION REVEALED FIRST STAGE TURBINE SHROUDS WERE WARPED AND ONE SHROUD HAD TIP CURL CAUSING THE SHROUD TO COME IN CONTACT WITH TURBINE WHEEL. SECOND STAGE TURBINE WHEEL COOLING Jan 31, 1996 · N718C · Swrngn SA227ACSDR 96ZZZX1379Shroud Ring · lug missingBINDING, WHEN PROPELLER WAS ROTATED, FOUND DURING MORNING PRE-FLIGHT. THE POWER SECTION WAS REMOVED AND SENT TO DALLGO AIRMOTIVE. D.A. FOUND A MISSING LOCATING LUG FROM THE PT SHROUD RING THAT WAS BINDING UP THE ROTATION OF THE POWER SECTION.Jan 31, 1996 · N203BS · Beech B200SDR AU960111Coupling · failed(AUS) NO2 ENGINE CONTAINED A MASSIVE OIL LEAK IN THE INTAKE AREA - INSPECTION OF THE OIL SCAVENGE PUMP FOUND THE PUMP CONTAMINATEDWITH BRAIDED SEAL MATERIAL - HP TURBINE COUPLING NUT PRESSURE TUBE RUPTURED AT THE TUBE TO AFT FLANGE WELDED JOINT - A CIRCUMFERJan 30, 1996SDR AU960638Blade · failed(AUS) NO1 ENGINE THIRD STAGE LOW PRESSURE TURBINE BLADE SHROUD TIP SEPARATED - MINOR DAMAGE TO OTHER LP TURBINE BLADES - THIS DEFECTWAS RECEIVED FROM 34 SQN RAAF AND IS FOR INFORMATION ONLYJan 29, 1996 · Amd FALCON900SDR 96ZZZX1155Nozzle · defectiveTHE NR 2 TURBINE NOZZLE EXPERIENCED A NR 2 BLADE TIP PATH SEPARATION IN-FLIGHT. THE PILOT REPORTED A 30 DEGREE RISE IN TOT AND RETURNED TO THE MAINTENANCE BASE. VENDOR'S ENGINEERING DEPARTMENT DETERMINED THE METAL SPRAY APPLICATION PROCESS WAS THE PRIMARY CAJan 24, 1996SDR 96UAL900061Valve · leakingFUEL LEAK ON NR 2 ENGINE COMING FROM CORE ACCESSORY DRAIN DURING ENGINE OPERATION. NO FUEL LEAK AFTER SHUTDOWN. *S/D* REPLACED THE LPT CASE COOLING VALVE AND THE HPT CASE COOLING VALVE, CHECKS OK.Jan 24, 1996 · N512UA · Boeing 757222SDR P5CA9600024Sleeve · crackedFOUND TURBINE REVERSER SLEEVE CRACKED BETWEEN TWO PREVIOUS REPAIRS. REPAIRED IAW SRM 54-30-03. REPAIR INCLUDES BOTH PREVIOUS REPAIRS.Jan 23, 1996 · N853FT · Boeing 747122SDR CA960131013Nozzle · cracked(CAN) POWERPLANT ORIGINALLY REMOVED AFTER REPORTS OF OIL VAPORS CONTAMINATING CABIN BLEED AIR SYSTEM ENGINE TEARDOWN REVEALED LARGE TORN AWAY PORTION OF THE 2ND STAGE NOZZLE AFT SHROUD FACE (7 INCHES BY 2 INCHES), CONSIDERABLE DOWNSTREAM DAMAGE. FAILURE WAS AJan 23, 1996SDR 96ZZZX1569Rotor Assy · blade shiftFAILED SB LT101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT NR 24 PLUS 0.015 INCH, NR 19 PLUS 0.020 INCH. REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES, 3452.2.Jan 23, 1996 · N71703 · Bolkms BK117B1SDR AU960176Hot Section · deteriorated(AUS) ENGINE HOT SECTION DETERIORATED BEYOND LIMITS - FOUND DURING STRIP INSPECTION FOLLOWING BIRDSTRIKEJan 21, 1996 · Bac 146200ASDR 96ZZZX848Stator · defectiveDURING C/W WITH AD 95-16-08, FOUND HOT SECTION 3RD STATOR WAS IMPROPER DUE TO NOT BEING STAMPED OR SIGNED AND SERIAL NUMBER OF PART NOT ENTERED.Jan 17, 1996 · N690HF · Gulstm 690ASDR 96ZZZX489Bolt · failedENGINE WAS REMOVED FROM SERVICE DUE TO VIBRATION, DISASSEMBLY OF THE ENGINE REVEALED LPT GAS PATH DAMAGE. INVESTIGATION DETERMINED SEVEN OF THIRTY-SIX, 6TH TO 7TH STAGE DISK BOLTS HAD FAILED. PRELIMINARY ANALYSIS INDICATE THE BOLTS FAILED WITH THE CHARACTERIJan 17, 1996SDR 96ZZZX829Blade · failureENGINE SOUNDED STRANGE AFTER START. TROUBLESHOT TO ENGINE INTERNAL. SENT OUT FOR OVERHAUL. FOUND 3 HT BLADES FAILED.Jan 16, 1996 · N120JP · Cessna 550
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