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 CA980325045Bearing · worn(CAN) CREW REPORTED HIGHER THAN NORMAL ENGINE VIBRATION INCREASE - .7 ON INDICATOR. INSPECTION FOUND NR 4 AND NR 5 BEARINGS WORN, WEAR MARKS ON BEARING.Mar 20, 1998SDR AU980339Lock · misinstalled(AUS) NR 2 ENGINE 4TH TURBINE RETAINING NUT SEPARATED DUE TO INCORRECT CRIMPING OF THE LOCKING CUP. PERSONNEL/MAINTENANCE ERROR.Mar 20, 1998 · Bag BAE146100ASDR CA980406053Blade · fractured(CAN) THE TURBOMACHINERY WAS SENT FOR REPAIR AFTER AN INFLIGHT SHUTDOWN. THERE WAS A REPORT OF A RISE IN T6 DURING THE SHUTDOWN, BUT NO OVERTEMP. THE CAUSE OF THE INFLIGHT SHUTDOWN WAS THE LOSS OF THE HP TURBINE BLADES AND CONSEQUENTLY THE DRIVE TO THE FUEL Mar 18, 1998SDR C2XA98CL028Turbine · damagedCLE - DURING A SCHEDULED INSPECTION, THE RIGHT ENGINE WAS FOUND TO HAVE A BLADE TIP MISSING ON THE 2ND STAGE POWER TURBINE. MAINTENANCE REMOVED AND REPLACED THE RIGHT ENGINE IAW CONTINENTAL EXPRESS TASK CARD NR 4272003. OPERATIONAL AND LEAK CHECKS WERE SATISMar 15, 1998 · N81536 · Beech 1900DSDR 99ZZZX606Turbine Section · leakingA RECURRENCE OF THE LEAKING OIL ON THE LEFT POWER SECTION, PAGE 84101. THE REPAIR DID NOT HOLD. THE POWER SECTION WAS REMOVED AND REPLACED. RUN AND LEAK CHECKED GOOD.Mar 13, 1998 · N938MA · Stbros SD330SDR TWAA9803201Vane · damagedLAX - FLT 467 - AT APPROX 2000 FT LEFT ENGINE FAILED. RETURNED LAX. MADE SMOOTH OVERWEIGHT LANDING. FOUND TURBINE FAILURE INCLUDING LOSS OF TAIL CONE. CHANGED ENGINE. CHECK-C 3-15-97. EXAMINATION OF ENGINE FOUND ONE T2 VANE FRETTED THROUGH INNER SHROUD AMar 5, 1998 · N9306T · Doug DC983SDR 98ZZZX3373Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Mar 5, 1998 · N128HH · Bolkms BK117A1SDR HEEA0013203Engine · leakingOIL LEAKING FROM COMPRESSOR AREA AND FORWARD COMBUSTION DRAIN.Mar 4, 1998 · N21498 · Bell 412SDR CALA9800386Turbine · failedTHE NR 3 ENGINE OIL PRESSURE WENT TO ZERO ACCOMPANIED BY ILLUMINATION OF THE LOW OIL PRESSURE LIGHT WHILE EN ROUTE FROM RSW TO EWR. THE NR 3 ENGINE WAS SHUT DOWN AND THE AIRCRAFT WAS DIVERTED TO MCO WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND RMar 4, 1998 · N32725 · Boeing 727224SDR CA980521011Blade · failed(CAN) TURBINE DAMAGE DUE TO CARBON ACCUMULATION ON COMBUSTION LINER NEAR NOZZLE AND IGNITER. SUBMITTER SAYS PROBLEM CAUSED BY COMBUSTION LINE PROBLEM WHICH IS CORRECTED BY CEB 1299. PART TC: 2,028.Mar 3, 1998 · Hughes 369DSDR 98ZZZX1360Rotor Assy · pittedTURBINE ROTOR ASSY UPGRADED TO -11, SOME PITTING ON BLADES. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES: 6,310.5.Mar 2, 1998 · N17SJ · Bolkms BK117B1SDR AU980813Turbine · fod(AUS) RIGHT ENGINE COMPRESSOR AND TURBINE SEVERELY DAMAGED. ENGINE STRIP AND INSPECTION FOUND SEVERE FOD TO ALL COMPRESSOR AND TURBINE STAGES DUE TO A 1/4 INCH HEXAGONAL DRIVE NR 2 PHILLIPS BIT. FROM THE LOCATION OF THE DAMAGE, IT WAS DETERMINED THAT THE FODFeb 28, 1998SDR 98ZZZM439Turbine · damagedFLT 613 - IND-CLT - HAD AN AIR TURN BACK TO IND. ON DEPARTURE FROM IND FELT VIBRATION IN RUDDER PEDAL'S AND FLOOR. NR 2 ENGINE HAD LOW N1 AND LOW EPR AND HIGH EGT. REMOVED AND REPLACED NR 2 ENGINE DUE TO TURBINE DAMAGE. (M)Feb 25, 1998 · N421EX · Boeing 72722CSDR 98ZZZX1523Impeller Shroud · separationUSCG ENGINE SURGED. UPON TROUBLESHOOTING OF THE ENGINE, FOUND ABRADABLE (PLASMA) COATING SEPARATED AT INTERFACE.Feb 24, 1998SDR CA980616016Blade · separated(CAN) AFTER TAKEOFF DURING CLIMB THRU 4000 FEET, A LOUD BANG HEARD, FOLLOWED BY VIBRATION AND NR 1 ENGINE SPOOLING DOWN. ENG SHUT DOWN. NR 1 ENG SUFFERED CATASTROPHIC FAILURE. TEARDOWN SHOWED 10 LPT3 BLADES WERE SEPARATED. ONE BLADE SEPARATED ABOVE PLATFORFeb 18, 1998SDR 98ZZZX3389Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Feb 18, 1998 · N202HN · Bolkms BK117A3SDR 98ZZZX3388Seal · wornSEAL WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Feb 18, 1998 · N202HN · Bolkms BK117A3SDR 98ZZZX3387Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Feb 18, 1998 · N202HN · Bolkms BK117A3SDR CA980225017Blade · damaged(CAN) NR 3 ENGINE INFLIGHT SHUTDOWN DUE TO HIGH VIBRATION CONFIRMED ON BOTH CHANNELS. BORESCOPE INSPECTION REVEALED NR 1 STAGE HP TURBINE BLADE FAILURE AND SUBSEQUENT DAMAGES.Feb 16, 1998 · Lkheed 10113853SDR CA980407011Turbine · seized(CAN) ALTHOUGH PROPELLER AND FRONT END OF THE ENGINE TURNED NORMALLY BY HAND, WHEN A START WAS ATTEMPTED, THE ENGINE WOULD NOT ROTATE. THE TURBINE SECTION WAS SEIZED. PWC TECH REP BORESCOPED THE ENGINE AND THERE WAS NO VISIBLE ANOMALLY. THERE WAS A SLIGHT RUFeb 14, 1998 · Dhav DHC8102SDR CA980317077Snap Ring · making metal(CAN) ENGINE PRODUCING METAL CHIPS IN OIL SYSTEM AND FILTERS. NUMBER 5 BEARING SNAP RING, P/N 6726656-244 AND SPACER P/N 6848996-2 WERE FOUND LOOSE ON POWER TURBINE SHAFT.Feb 12, 1998 · Hughes 369DSDR HEEA0013035Seal · defectiveENGINE REMOVED DUE TO FOD AND TURBINE OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED: MEASURED .001 BELOW SPECS (1.2520 - 1.2515) ON SEAL O.D. INSTALLED A NEW SEAL.Feb 12, 1998 · N31219 · Skrsky S76ASDR AU980283Engine · failed(AUS) ENGINE POWER SECTION FAILED.Feb 11, 1998 · Piper PA42SDR HEEA0012991Nozzle · defectiveENGINE REMOVED DUE TO TURBINE NR1 AND NR2 WHEEL CYCLES. UPON INSPECTION OF TURBINE PARTS NOTED: EXCESSIVE RUNOUT ON NR2 NOZZLE 1ST STAGE TIP PATH .007 AND NR2 TIP PATH .005. INSTALLED A NEW NR2 NOZZLE.Feb 10, 1998 · N706AE · Skrsky S76ASDR HEEA0012990Nozzle · crackedENGINE REMOVED DUE TO OIL STARVATION AND METAL IN OIL. UPON INSPECTION OF TURBINE PARTS NOTED: CRACKED BEYOND SERVICEABLE LIMITS ON NR1 NOZZLE TRAILING EDGE VANES. INSTALLED A DALLAS AIRMOTIVE OVERHAULED NR1 NOZZLE.Feb 10, 1998 · N724MB · Bolkms BO105SSDR HEEA0012989Nozzle · crackedENGINE REMOVED DUE TO TURBINE NR1 AND NR2 WHEEL CYCLES. UPON INSPECTION OF TURBINE PARTS NOTED: CRACKED BEYOND SERVICEABLE LIMITS ON NR1 NOZZLE TRAILING EDGE VANES. INSTALLED A DALLAS AIRMOTIVE OVERHAULED NR1 NOZZLE.Feb 10, 1998 · N706AE · Skrsky S76ASDR HEEA0012986Nozzle · crackedTURBINE REMOVED DUE TO CYCLES. UPON INSPECTION OF TURBINE PARTS NOTED: CRACKED BEYOND SERVICEABLE LIMITS ON NR 1 NOZZLE VANES TRAILING EDGE. INSTALLED A SERVICEABLE NR 1 NOZZLE.Feb 10, 1998 · N2145C · Bell 206B3SDR HALA9800040Turbine · failedHNL - FLT 158 - ON TAKEOFF ROLL FROM HNL, THE NR 2 ENGINE TURBINE CAME APART. IN PROCESS OF INSPECTING A/C FOR DAMAGE AND CHANGING OUT THE NR 2 ENGINE. (M)Feb 9, 1998 · N601AP · Doug DC951SDR HEEA0012759Support · damagedRECEIVING INSPECTION REVEALED: DAMAGED ON GP SUPPORT AFT FLANGE. INSTALLED A DALLAS AIRMOTIVE OVERHAULED GP SUPPORT.Feb 3, 1998 · N129MR · Bell 206L3SDR HEEA0012758Pt Support · defectiveTURBINE REMOVED DUE TO CYCLES. UPON INSPECTION OF TURBINE PARTS NOTED: MEASURED .003 OVER SPECS (1.764-1.761) ON PT SUPPORT NR 6 DAMPER GROOVE AND CHROME FLAKING FROM NR 7 DAMPER GROOVE.Feb 3, 1998 · N5421E · Bolkms BO105SSDR CA980407009Blade · shift(CAN) FIRST START OF THE DAY WAS ABORTED DUE TO ABNORMAL VIBRATION NOTED ON START. INSPECTION OF THE ENGINE (FROM AFT) INDICATED TURBINE SHIFT/FAILURE. ONE HP TURBINE BLADE WAS DISPLACED. ENGINE REMOVED ON SITE AND FORWARDED FOR REPAIR. PART TC: 18,011.Feb 2, 1998 · Braero HS7482ASDR AALA980245Turbine Blade · failedSAN - FLT 1147 - ON APPROACH TO SAN AT 2,000 FEET, CREW HEARD LOUD BANG, NR 2 ENG SHUT DOWN. LANDED WITHOUT INCIDENT. REPLACED NR 2 ENG. SYS GRND CHKED, NORMAL. CONFIRMED 4TH STAGE TURB BLADE FAILED ABOVE ROOT PLATFORM FROM HCF. FRACTURE ORIGIN LOCATED OFeb 1, 1998 · N274AA · Doug DC982SDR 98ZZZX3383Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jan 28, 1998 · N117MA · Bolkms BK117A3SDR 98ZZZX3382Seal · wornSEAL WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jan 28, 1998 · N117MA · Bolkms BK117A3SDR P5CA9800185Rail · crackedNR 4 ENG TEC R-RAIL AT 11 O'CLOCK POSITION PREVIOUS WELD AT LIGHTING HOLE SLOT INNER RADIUS CRACKED. WELDED AND NORMALIZED PER PWA MM 72-53-01 NR 22.Jan 21, 1998 · N856FT · Boeing 747132SDR P5CA9800168Rail · crackedNR 3 ENG TEC R-RAIL AT 10 O'CLOCK POSITION HAS CRACKED RADIAL LIGHTING HOLE. WELDED AND STRESS RELIEVED PER PWA MM 72-53-01 NR 22.Jan 21, 1998 · N856FT · Boeing 747132SDR P5CA9800166Rail · crackedNR 3 ENG TEC S-RAIL AT 11:45 POSITION HAS A CLEVIS PIN HOLE CRACK. REMOVED ENG MOUNT, WELDED AND RELIEVED AND REINSTALLED MOUNT PER PWA MM 72-53-01 NR 22.Jan 21, 1998 · N856FT · Boeing 747132SDR P5CA9800165Rail · crackedNR 3 ENG TEC S-RAIL AT 1:30 AND 10 O'CLOCK POSITION HAS 2 EA RACETRACK SLOT O/D CRACKS. WELDED AND RELIEVED PER PWA MM 72-53-01 NR 22.Jan 21, 1998 · N856FT · Boeing 747132SDR P5CA9800163Rail · crackNR 3 ENG TEC S-RAIL AT 1:30 POSITION HAS A RACE TRACK SLOT O/D CRACK. WELDED AND RELIEVED PER PWA MM 72-53-01 NR 22.Jan 21, 1998 · N856FT · Boeing 747132SDR HEEA0012589Nozzle · defectiveDURING MACHINING COATING FLAKING OUT OF NR4 NOZZLE NR4 TIP PATH.Jan 20, 1998 · N62127 · Bell 206LSDR AU980529Bolt · cracked(AUS) HIGH PRESSURE TURBINE DISC NR 5 BOLT CRACKED (VISIBLE TO THE NAKED EYE). THE REMAINING FOUR BOLTS WERE NDT INSPECTED WITH TWO BOLTS SHOWING CRACK INDICATIONS. FOUND DURING INSPECTION IAW PRATT AND WHITNEY CANADA SIL PW100-56.Jan 19, 1998 · Emb EMB120SDR 98ZZZX3999Turbine · failedDURING CRUISE FLIGHT, ENGINE CHIP LIGHT ILLUMINATED. ONE MINUTE LATER, PILOT EXPERIENCED ENGINE FAILURE. PILOT THEN PROCEEDED TO AUTO-ROTATE TO SAFE LANDING.Jan 19, 1998 · N8WH · Bell 206L1SDR AU980195Cover · misinstalled(AUS) NO2 BEARING COVER INCORRECTLY SEATED. PERSONNEL/MAINTENANCE ERROR.Jan 18, 1998 · Emb EMB110P1SDR P5CA9800030R-Rail · crackedNR 3 ENGINE R RAIL AT 60 DEGREE POSITION LIGHTENING HOLE OD RADIAL CRACK. WELDED IAW PWA 72-53-01 REPAIR NR 14.Jan 16, 1998 · N855FT · Boeing 747124SDR CA980406029Cover · gouged(CAN) DURING REAR BEARING CLEANING, THE BEARING COVER WAS FOUND TO BE GOUGED IN AREA OF CONTACT WITH BEARING ATTACHMENT NUT. PART TC: 3,848.Jan 15, 1998 · Snias AS350BSDR 98ZZZX617Blade · defectiveD.T.S. RECEIVED ONE SET OF COMPRESSOR TURBINE BLADES (43 EACH) UNDER SALES ORDER 8891, CUSTOMER ORDER NR S15045. EXAMINING THE BLADES REVEALED A SURFACE DEFECT ON THE PARENT METALS OF 17 EACH BLADES THAT EXCEEDS THE OVERHAUL LIMITS OF 0.003 INCH. REF: CHAPTJan 14, 1998SDR HEEA0012579Nozzle · crackedENGINE REMOVED DUE TO TURBINE CYCLES. UPON INSPECTION OF TURBINE PARTS NOTED: CRACKED BEYOND SERVICEABLE LIMITS ON NR 2 NOZZLE VANES AND KEY WELDS.Jan 13, 1998 · N5128 · Skrsky S76ASDR HEEA0012578Nozzle · crackedENGINE REMOVED DUE TO OIL STARVATION. UPON INSPECTION OF TURBINE PARTS NOTED: CRACKED BEYOND SERVICEABLE LIMITS ON NR1 NOZZLE INNER BAND THROUGH DIAPHRAGM BRONZE FILLET AS MARKED.Jan 13, 1998 · N131AE · Bolkms BO105SSDR AU980060Blade · failed(AUS) FIRST STAGE TURBINE BLADES (3OFF) FAILED AT APPROXIMATELY MID SPAN. SEVERE DOWNSTREAM FOD TO SECOND AND THIRD STAGE TURBINE ASSEMBLIES.Jan 12, 1998 · Swrngn SA227ACSDR 98ZZZX725Shaft · misheat treatQUALITY AUDIT FOUND CFM TURBINE SHAFTS WITH A POSSIBLE DEFECT DUE TO HYDROGEN OUTGASSING HEAT TREATMENT HAD BEEN OMITTED.Jan 7, 1998
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