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 98ZZZX724Shaft · misheat treatQUALITY AUDIT FOUND CFM TURBINE SHAFTS WITH A POSSIBLE DEFECT DUE TO HYDROGEN OUTGASSING HEAT TREATMENT HAD BEEN OMITTED.Jan 7, 1998SDR 98ZZZX723Shaft · misheat treatQUALITY AUDIT FOUND CFM TURBINE SHAFTS WITH A POSSIBLE DEFECT DUE TO HYDROGEN OUTGASSING HEAT TREATMENT HAD BEEN OMITTED.Jan 7, 1998SDR 98ZZZX722Shaft · misheat treatQUALITY AUDIT FOUND CFM TURBINE SHAFTS WITH A POSSIBLE DEFECT DUE TO HYDROGEN OUTGASSING HEAT TREATMENT HAD BEEN OMITTED.Jan 7, 1998SDR 98ZZZX721Shaft · misheat treatQUALITY AUDIT FOUND CFM TURBINE SHAFTS WITH A POSSIBLE DEFECT DUE TO HYDROGEN OUTGASSING HEAT TREATMENT HAD BEEN OMITTED.Jan 7, 1998SDR HEEA0012457Engine · crackedENGINE HAS CRACK IN GENERATOR CASE.Jan 6, 1998 · N107X · Bell 412SDR AU980011Blade · failed(AUS) NO ENGINE HIGH PRESSURE TURBINE BLADE FAILED. APPROXIMATELY 33% OF THE BLADE TRAILING EDGE WAS MISSING.Jan 2, 1998SDR 99ZZZX619Housing · failedTHIS IS A TITANIUM HOUSING WHICH HAS FAILED FPI INSPECTION. PART IS CRACKED IN TWO LOCATIONS. PART IS SCRAP.Jan 1, 1998SDR 98ZZZX453Ct Vane Ring · crackedON 12-31-97, REPAIR STA (RUHR840H) PERFORMED AN HSI FOR IFL GROUP INC., ON ENGINE, SN 81488, REPLACING CT VANE WITH AN OVERHAULED ONE. 10.8 HOURS LATER, HAD A 40 DEGREE INCREASE IN ITT. IFL SPLIT THE ENGINE AND FOUND SOME TIP RUB AND THAT THE CT VANE HAD DEVDec 31, 1997 · N36CP · Beech 200BEECHSDR 98ZZZX604Blade · failedDURING CRUISE FLIGHT AT 41,000 FEET, THE RT ENGINE APPARENTLY HAD HP BLADE FAILURE RESULTING IN IN-FLIGHT SHUTDOWN. OPERATOR DECLARED EMERGENCY AND HAD UNEVENTFUL LANDING AT TUL. DISASSEMBLY OF ENGINE CONFIRMED THE FAILURE. LOT NRS 4161, 4191, AND 4266. NODec 30, 1997 · N30HJ · Lear 35ASDR 98ZZZX3206Blade · failedKIN/JFK - FLT JM 2015 - ON TAKEOFF, A LOUD BANG WAS HEARD AND SMOKE EMITTING FROM NR 1 ENGINE. AN ENGINE TEAR-DOWN INVESTIGATION REVEALED A TYPICAL HIGH CYCLE FATIGUE FAILURE OF THE 5TH HPC BLADE (PRE MOD. SB PW 4 ENG 72-557) WHICH HAS CAUSED HEAVY INTERNAL DDec 24, 1997 · N840AB · Airbus A310324SDR 98ZZZX124Disc Hub · crackedFOUND HPT DISC HUB CRACKED DURING NDT INSPECTION AT MAJOR PERIODIC INSPECTION.Dec 24, 1997SDR 98ZZZX618Blade · defectiveD.T.S. RECEIVED THREE SETS OF COMPRESSOR TURBINE BLADES (129 EACH) UNDER SALES ORDER 36561, CUSTOMER ORDER NR 8612. EXAMINING THE BLADES REVEALED A SURFACE DEFECT ON THE PARENT METAL OF 69 EACH BLADES THAT EXCEEDS THE OVERHAUL LIMITS OF 0.003 INCH. REF: CHADec 23, 1997SDR 98ZZZX619Blade · defectiveD.T.S. RECEIVED TWO SETS OF COMPRESSOR TURBINE BLADES (86 EACH) UNDER SALES ORDER NR 36248, CUSTOMER ORDER NR 8661. EXAMINING THE 86 EACH BLADES REVEALED A SURFACE DEFECT OF THE PARENT METAL THAT EXCEEDS OVERHAUL LIMITS OF 0.003 INCH. REF: CHAPTER 72-50-02 Dec 22, 1997SDR 98ZZZX616Blade · defectiveD.T.S. RECEIVED THREE SETS OF COMPRESSOR TURBINE BLADES (129 EACH) UNDER SALES ORDER 35879, CUSTOMER ORDER NR 8519. EXAMINING THE BLADES REVEALED A SURFACE DEFECT ON THE PARENT METAL ON THREE EACH BLADES THAT EXCEED THE OVERHAUL LIMIT OF 0.003 INCH. REF: CHDec 22, 1997SDR 98ZZZX4104Shroud · damagedSECONDARY DAMAGE TO BEARING FAILURE. EXCESSIVE GP BLADE RUB. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 22, 1997 · N586BH · Bolkms BK117A4SDR 98ZZZX4103Seal · damagedSECONDARY DAMAGE TO BEARING FAILURE. EXCESSIVE GP KNIFE EDGE RUB. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 22, 1997 · N586BH · Bolkms BK117A4SDR 98ZZZX3848Spring · failedSECONDARY DAMAGE DUE TO BEARING FAILURE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 22, 1997 · N586BH · Bolkms BK117A4SDR 98ZZZX3843Rotor Assy · damagedSECONDARY DAMAGE DUE TO BEARING FAILURE. SHAFT GROOVED. CORE UNIT RETAINED IN PHX BY ASE ENGINEERING FOR FURTHER INVESTIGATION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES: 728.3.Dec 22, 1997 · N586BH · Bolkms BK117A4SDR 98ZZZX3842Bearing · failedSECONDARY DAMAGE DUE TO BEARING FAILURE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 22, 1997 · N586BH · Bolkms BK117A4SDR 98ZZZX3839Bearing · failedSECONDARY DAMAGE DUE TO BEARING FAILURE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 22, 1997 · N586BH · Bolkms BK117A4SDR 98ZZZX3837Nozzle · damagedSECONDARY DAMAGE DUE TO BEARING FAILURE. EXCESSIVE RUBS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 22, 1997 · N586BH · Bolkms BK117A4SDR 98ZZZX3836Rotor Assy · damagedSECONDARY DAMAGE DUE TO BEARING FAILURE. EXCESSIVE BLADE TIP DAMAGE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. PART TC: 1,666.5.Dec 22, 1997 · N586BH · Bolkms BK117A4SDR 98ZZZX3835Sleeve · damagedSECONDARY DAMAGE DUE TO BEARING FAILURE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 22, 1997 · N586BH · Bolkms BK117A4SDR 98ZZZX3832Bearing · failedSECONDARY DAMAGE DUE TO BEARING FAILURE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 22, 1997 · N586BH · Bolkms BK117A4SDR 98ZZZX3831Bearing · failedSECONDARY DAMAGE DUE TO BEARING FAILURE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 22, 1997 · N586BH · Bolkms BK117A4SDR 98ZZZX3830Bearing · failedSECONDARY DAMAGE DUE TO BEARING FAILURE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 22, 1997 · N586BH · Bolkms BK117A4SDR 98ZZZX3829Seal · failedSECONDARY DAMAGE DUE TO BEARING FAILURE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 22, 1997 · N586BH · Bolkms BK117A4SDR 9724159882Turbine · failedUPON APPLICATION OF TAKEOFF THRUST, A LOUD THUMP WAS HEARD FOLLOWED BY VIBRATION. RIGHT ENGINE THRUST REVERSER UNLOCK LIGHT ILLUMINATED MOMENTARILY. CREW ABORTED TAKEOFF AND SHUT DOWN THE RIGHT ENGINE. MAINTENANCE INSPECTED AND FOUND A CONTAINED TURBINE FAIDec 20, 1997 · N670MC · Doug DC951SDR 98ZZZX3722Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 19, 1997 · N528SF · Bolkms BK117A3SDR 98ZZZX1359Rotor Assy · defectiveTURBINE ROTOR ASSY FAILED SB LT101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT. REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TC: 3,001.Dec 19, 1997 · N528SF · Bolkms BK117A3SDR HEEA0012377Coupling · wornENGINE REMOVED DUE TO TURBINE INSPECTION. UPON INSPECTION OF TURBINE PARTS NOTED: STEP WEAR BEYOND SERVICEABLE LIMITS ON N1 COUPLING SPLINES (FAILED NO-GO GAUGE) INSTALLED A NEW N1 COUPLING.Dec 18, 1997 · N137AE · Bolkms BO105SSDR HEEA0012376Coupling · wornENGINE REMOVED DUE TO TURBINE OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED: INTERNAL SPLINES BELOW SERVICEABLE LIMITS ON N1 COUPLING (FAILED NO-GO GAUGE) INSTALLED A NEW N1 COUPLING.Dec 18, 1997 · N3107N · Bell 206L3SDR AU971594Blade · failed(AUS) NO4 ENGINE FAILED. SUSPECT 1ST STAGE HP TURBINE BLADE FAILURE.Dec 18, 1997SDR HEEA0012345Nozzle · defectiveINSPECTION REVEALED: COATING LIFTING ON NR2 NOZZLE 1ST AND 2ND STAGE TIP PATHS. INSTALLED A DALLAS AIRMOTIVE OVERHAULED NR2 NOZZLE.Dec 11, 1997 · N911DD · Bolkms BO105SSDR 98ZZZX68Case · crackedWHILE INSTALLED, AFT FLANGE OF CASE SN 225 FRACTURED 360 DEGREES WITHIN THE FLANGE WELD JOINT. FRACTURING OF AFT FLANGE ASSY ELIMINATED THE AFT MOUNT FROM ENG SUPPORT. ENG FREE TO MOVE VERTICALLY, LATERALLY, AND FORE AND AFT, UNRESTRAINED BY AFT MOUNT. THISDec 9, 1997 · N178AC · Skrsky S64FSDR 98ZZZX620Blade · failedDURING FLIGHT AT 41,000 FEET CRUISE, THE RT ENGINE APPARENTLY HAD HP BLADE FAILURE RESULTING IN IN-FLIGHT SHUTDOWN. OPERATOR DECLARED EMERGENCY AND HAD UNEVENTFUL LANDING IN BALTIMORE, MD. DISASSEMBLY OF ENGINE CONFIRMED THE FAILURE. NOTE: SB 72-3494 HAD BDec 7, 1997 · N727GL · Lear 35ASDR HEEA0012236Nozzle · crackedENGINE REMOVED DUE TO TURBINE 1500 HOUR OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED: CRACKED BEYOND SERVICEABLE LIMITS ON NR1 NOZZLE VANES. INSTALLED A DALLAS AIRMOTIVE OVERHAUL NR1 NOZZLE.Dec 3, 1997 · N2770Y · Bell 206L1SDR CA980113002Turbine Wheel · damaged(CAN) AT 6,000 FEET IN CRUISE AT 80 PERCENT TORQUE, NR 2 ENGINE MADE A LOUD BANG WITH A GRINDING SOUND -'POOF SOUND'- THEN A CHIP DETECTOR LIGHT. THERE WAS NO PREVIOUS WARNING. PILOT REDUCED NR 2 ENGINE POWER TO IDLE AND LANDED ON A FROZEN LAKE. POST-FLIGHTDec 1, 1997 · Bell 212SDR AU971530Seal · faulty(AUS) ENGINE NO4 BEARING SEAL FAULTY. OIL PRESENT IN TAILPIPE.Dec 1, 1997 · Bac 146200ASDR AALA972248Turbine Blade · failedDFW - FLT 050 - DURING APPROACH TO DFW, LEFT ENGINE BEGAN VIBRATION WITH NO ABNORMAL COCKPIT INDICATIONS. REDUCED POWER TO LT ENGINE AND VIBRATION DIMINISHED. EMERGENCY DECLARED AND AIRCRAFT LANDED DFW WITHOUT INCIDENT. REPLACED NR 1 ENGINE DUE TO TURBINE BNov 24, 1997 · N578AA · Doug DC982SDR AU971601Blade · failed(AUS) NO1 ENGINE FIRST STAGE TURBINE BLADE FAILED. APPROXIMATELY 50%OF THE BLADE WAS MISSING. SUSPECT STAGE ONE BLADES SUBJECTED TO HIGHER THAN NORMAL TEMPERATURES.Nov 22, 1997 · Boeing 747312SDR CALA9701661Bolt · shearedTHE NR 1 ENG FAILED DURING CLIMBOUT AT FL 190. THE ACFT WAS RETURNED TO GUM WHERE IT LANDED WITHOUT INCIDENT. THE NR 1 ENG WAS REMOVED AND REPLACED. *S/D* DISASSEMBLY OF THE ENG FOUND ONE HPT STAGE 1 NOZZLE SUPPORT BOLT LIBERATED. THE LIBERATED BOLT MOST Nov 19, 1997 · N68041 · Doug DC1010SDR 98ZZZX1157Bearing · pittedLEFT ENGINE BEARING HAS EXCESSIVE PITTING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Nov 18, 1997 · N586BH · Bolkms BK117A4SDR CA971219044Lp Blade · fractured(CAN) ENGINE SENT FOR INVESTIGATION AND REPAIR AFTER FAILURE OF A LP TURBINE BLADE. DISASSEMBLY OF THE ENGINE CONFIRMED THE FAILURE OF ONE OR MORE PRE SB 20465, HOLLOW CORE, LP TURBINE BLADES. THESE WERE HIGH-TIME BLADES WITH VISIBLE PLATFORM CORROSION AND Nov 17, 1997SDR CA971219025Turbine Disk · failed(CAN) DURING INSPECTION, WITH THE TURBINE EXPOSED, IT WAS FOUND THE HP TURBINE DISK HAD FAILED CAUSING SEVERE INTERNAL DAMAGE AND RESULTED IN PENETRATION OF THE TURBINE CASE. ENGINE WILL BE SHIPPED TO ROLLS FOR ASSESSMENT OF DAMAGE AND REPAIR. PART TC: 16,3Nov 14, 1997 · Gulstm G159SDR HEEA0012003Engine · cracked3 INCH CRACK ON TOP OF GAS GENERATOR CASE JUST AFT OF CUSTOMER AIR PORT.Nov 13, 1997 · N27805 · Bell 212SDR HEEA0011988Engine · failedENGINE COMPRESSOR STALLS. SENT TO PRATT AND WHITNEY FOR EXCHANGE.Nov 13, 1997 · N33008 · Bell 412SDR CA971118011Bolt · wrong part(CAN) DURING AN HSI ON THE NR 2 ENGINE, THERE WERE SEVEN P/N MS9574-04 BOLTS FOUND INSTALLED ON THE COMPRESSOR TURBINE SHROUD HOUSING. THESE BOLTS ARE THE WRONG MATERIAL FOR THIS INSTALLATION. THE PROPER BOLTS SHOULD BE P/N 3012061 OR P/N MS9714-04.Nov 13, 1997 · Beech A100SDR CA971118008Blade · broken(CAN) DURING A BORESCOPE INSPECTION OF THE NR 2 ENGINE HOT SECTION, THE LP TURBINE WAS FOUND TO HAVE A PIECE BROKEN FROM ONE OF THE TURBINE BLADES APPROXIMATELY 25 PERCENT OF THE BLADE WAS MISSING. NUMEROUS NICKS WERE ALSO FOUND ON THE OTHER BLADES. THE ENGINNov 10, 1997 · Dhav DHC8311SDR HEEA0011836Bearing · crackedREAR BEARING P.T. NGV CRACKED AT 6:00 POSITION BEYOND LIMITS. DURING BORESCOPE INSPECTION OF COMB. CHAMBER SWIRL PLATE, FOUND CRACK OF ABOUT 90 DEGREES.Nov 7, 1997 · N60951 · Snias AS350B2
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