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 96ZZZX1617Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 31, 1995 · N202HN · Bolkms BK117A3SDR 95ZZZX4042Module 3 · bearing cokedENGINE NOT PASSING OIL FLOW CHECK DUE TO COKING IN THE REAR BEARING OF MODULE 3. REQUIRED DISASSEMBLY AND CLEANING. SECOND OCCURRENCE IN 300 HOURS.May 31, 1995 · N6015S · Snias AS350BSDR 95ZZZX3373Roller Bearing · failedREPORTED LOUD GRINDING NOISE ON SHUT DOWN. COMPRESSOR WAS DISASSEMBLED DUE TO IMPELLER DRAGGING ON SHROUD AND FOUND NR 1 ROLLER BEARING HAD FAILED. UPON DISASSEMBLY, FOUND SEPARATE CAGE FOR ROLLERS BROKEN. APPROXIMATELY 80 DEGREES OF SEPARATOR CAGE BROKEN OMay 25, 1995 · N708AL · Skrsky S76ASDR HEEA955072Wheel · sulfidationENGINE REMOVED DUE TO TURBINE OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: SULFIDATION ON ALL 1ST STAGE WHEEL BLADES. SCRAPPED 1ST STAGE WHEEL.May 24, 1995 · N2758N · Bell 206L1SDR HEEA955071Wheel · sulfidationENGINE REMOVED DUE TO TURBINE 1750 HOUR INSPECTION AND BURNT 1ST STAGE NOZZLE. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: MINOR SULFIDATION ON ALL 1ST STAGE WHEEL BLADES. SCRAPPED 1ST STAGE WHEEL.May 24, 1995 · N54197 · Bolkms BO105SSDR HEEA955057Coupling · stepwearENGINE REMOVED DUE TO TURBINE OVERHAUL AND COMPRESSOR 1750 HOUR INSPECTION. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: STEP WEAR BEYOND LIMITS ON N1 COUPLING I.D. SPLINES. INSTALLED NEW N1 COUPLING.May 23, 1995 · N2135V · Bell 206L1SDR 95FDEAOO604Turbine · failedMAX T10 POWER, AFTER GEAR RETRACT. NR 2 ENGINE TURBINE FAILED HIGH N1, 700 DEGED EGT. REMOVED AND REPLACED NR 2 ENGINE.May 23, 1995 · N263FE · Boeing 727233SDR 95ZZZX5270Seal · leakingNR 3 BEARING SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNITS(S) CORRECTED PROBLEM.May 19, 1995 · N424MB · Bolkms BK117A3SDR 96ZZZX1574Seal · leakingSEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 18, 1995 · N428MB · Bolkms BK117A3SDR 95ZZZX5379Rotor Assy · blade shiftFAILED SB LT101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT NR 8, PLUS 0.016 INCH. REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES 2967.6.May 18, 1995 · N428MB · Bolkms BK117A3SDR 95ZZZX5377Rotor Assy · blade shiftFAILED SB LT101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT NR 5, PLUS 0.012 INCH, NR 26, PLUS 0.009 INCH. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM. PART TOTAL CYCLES, 5788.1.May 18, 1995 · N420MB · Bolkms BK117A3SDR 95ZZZX5290Seal · leakingNR 3 BEARING SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.May 18, 1995 · N420MB · Bolkms BK117A3SDR 95ZZZX5269Seal Ring · wornFIRST TURBINE SHROUD SEAL RING WORN BEYOND SERVICEABLE LIMITS.May 18, 1995 · N420MB · Bolkms BK117A3SDR ERAA9577Inner Shaft · pittedNEW INNER SHAFT THAT HAS PITS ON BEARING RACE.May 17, 1995 · N124EH · Bolkms BO105SSDR 95ZZZX5578Seal Ring · wornSEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNIT(S) CORRECTED PROBLEM.May 16, 1995 · N7060G · Bolkms BK117B1SDR 95ZZZX5576Seal · leakingNR 3 BEARING SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT FROM T05K KIT CORRECTED PROBLEM.May 16, 1995 · N7060G · Bolkms BK117B1SDR TAOA059507Turbine · failedNR 1 ENGINE FAILED ON TAKEOFF FROM DCA AT 1500 FT. EGT INCREASED, ENGINE SHUTDOWN. RETURNED DCA. FOUND TURBINE SECTION FAILED, REPLACED ENGINE. TRIMMED ENGINE AND CHECKED OPERATION PER MM 71-00. (W)May 12, 1995 · N916TS · Boeing 727254SDR ERAA9576Adapter · plating flakingNEW ADAPTER THAT HAS DAMAGED INTERNAL SPLINES, FLAKING SILVER PLATING.May 12, 1995 · N135EH · Bolkms BO105SSDR ERAA9574Nozzle · tip delaminatedNOZZLE SENT IN EXCHANGE FOR S/N X58872 THAT HAD BEEN OVERHAULED ON D/AIR W/O C67745 AND RETURNED FOR TIP PATH NOT BEING BONDED TO PARENT MATERIAL. THIS NOZZLE REC'D IN EXCHANGE IS ALSO BAD, 2ND STAGE BLADE TIP PATH IS DELAMINATING.May 12, 1995 · N127EH · Bolkms BO105SSDR ERAA9573Nozzle · not bondedNOZZLE WAS OVERHAULED BY DALLAS AIRMOTIVE ON W/O C67745, SENT IN ON ERA P.O. G108376 , RECEIVED BACK AT ERA 3/16/95. A VISUAL INSPECTION WAS CONDUCTED AND DISCOVERED THAT THE METALIZED PORTION OF THE 2ND STG BLADE TIP PATH IS NOT BONDED TO THE PARENT MATERIAMay 12, 1995 · N291EH · Bolkms BO105SSDR 95ZZZX6972Seal · leakingOIL BELLOWS SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.May 12, 1995 · N301LG · Bolkms BO105CBSSDR 95ZZZX6971Seal · leakingOIL BELLOWS SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.May 12, 1995 · N301LG · Bolkms BO105CBSSDR 95ZZZX5495Seal · leakingOIL BELLOW SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.May 12, 1995 · N911BH · Bolkms BO105CBSSDR 95ZZZX3336Air Tube · hole chafedIN CRUISE FLIGHT, PILOT EXPERIENCED AN ENGINE TORQUE SPLIT, NR 1 ENGINE DROPPING OFF-LINE. LANDED ON OFFSHORE PLATFORM WITHOUT INCIDENT. FOUND HOLE CHAFED IN AIR TRANSFER TUBE, WITH ASSOCIATED CRACKS. ALLISON IPC, CHAPTERS 2-60, FIGURE 13, ITEM 24.May 12, 1995 · N54197 · Bolkms BO105CBSSDR ERAA9572Gp Support · mis overhauledG.P. SUPPORT WAS OVERHAULED BY DALLAS AIRMOTIVE ON W/O C67562 , SENT IN ON ERA P.O.G107056 AND RECEIVED BACK JAN 18, 1995. TANG SLOTS ARE UNDER SIZED.May 11, 1995 · N291EH · Bolkms BO105SSDR 95ZZZY1005Pt Rotor · blade shiftFAILED SERVICE BULLETIN LT 101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT. REPLACED WITH NEW UNIT(S), CORRECTED PROBLEM.May 10, 1995 · N128HH · Bolkms BK117A4SDR 95ZZZY1004Pt Rotor · blade shiftFAILED SERVICE BULLETIN LT 101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT. REPLACED WITH NEW UNIT(S), CORRECTED PROBLEM.May 10, 1995 · N5188B · Bolkms BK117B1SDR 95ZZZY1003Rotor Assy · defectiveDUE SERVICE BULLETIN LT 101-72-10-0150. REQUIRES DISASSEMBLY AND INSPECTION OF ROTOR BROACH SLOTS FOR POSSIBLE CRACKS IN THE DISC/TENON AREA. LAB SEAL ENCLOSED WITH ROTOR. REPLACED WITH NEW UNIT(S), CORRECTED PROBLEM.May 10, 1995 · N7059N · Bolkms BK117B1SDR 95ZZZY1002Pt Rotor · blade shiftFAILED SERVICE BULLETIN LT 101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT. #4-0.0145". REPLACED WITH NEW UNIT(S), CORRECTED PROBLEM.May 10, 1995 · N117MA · Bolkms BK117A3SDR 95ZZZY1001Pt Rotor · blade shiftFAILED SERVICE BULLETIN LT 101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT. #12 +0.012". REPLACED WITH NEW UNIT(S), CORRECTED PROBLEM.May 10, 1995 · N127HH · Bolkms BK117A4SDR 95ZZZX2851Seal · crackedDURING INSPECTION FOR CAM, FOUND PART CRACKED 15 PLACES. SB 72-0840 AUTHORIZES INSTALLATION OF PN 3107085-2 TO PROVIDE INCREASED SEAL PLATE TENSION AGAINST THE FIRST STAGE ROTOR ASSEMBLY BY INCORPORATING A SHIM BETWEEN THE AIR SEAL AND CURVIC COUPLING. INCREMay 10, 1995SDR 95ZZZX5489Seal · leakingNR 3 BEARING SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.May 9, 1995 · N528SF · Bolkms BK117A3SDR 95ZZZX5366Rotor Assy · blade shiftFAILED SB LT101-72-10-0153. EXCESSIVE IBPT BLADE SHIFT NR 15, MINUS 0.009 INCH. REPLACED WITH NEW UNITS(S) CORRECTED PROBLEM. PART TOTAL CYCLES, 4296.4.May 9, 1995 · N528SF · Bolkms BK117A3SDR 95ZZZX5300Seal Ring · wornFIRST TURBINE SHROUD SEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNIT(S) CORRECTED PROBLEM.May 9, 1995 · N528SF · Bolkms BK117A3SDR 95ZZZX2446Seal · crackedDURING INSPECTION FOR COMPRESSOR DAMAGE, FOUND PART CRACKED 11 PLACES. SB 72-0840 AUTHORIZES INSTALLATION OF PN 3107085-2 TO PROVIDE INCREASED SEAL PLATE TENSION AGAINST FIRST ROTOR ASSY. THIS PART WAS MODIFIED TO PN 3107085-2 BY INCORPORATING A SHIM BETWEENMay 9, 1995SDR 95ZZZM8Turbine Sleeve · buckledNR 3 ENGINE TURBINE SLEEVE BUCKELED ALONG LEADING EDGE 6 AND 9 O'CLOCK POSITION. REPAIRED IAW SRM 51-40-2 AND 51-10-01. (M)May 9, 1995 · N852FT · Boeing 747122SDR 95ZZZX2447Stator · failureENGINE EXPERIENCED UNCONTAINED TURBINE SECTION FAILURE IN-FLIGHT. LOCATION OF PENETRATION THROUGH PENUM AND CONDITION OF REMAINING COMPONENTS INDICATE FAILURE OF THE 3RD STAGE ROTOR RESULTING FROM CONTACT OF ROTOR HUB WITH 3 INCH STATOR INNER SHEET METAL SEALMay 8, 1995SDR CAL950353Retaining Bolt · fracturedFLT NR 9860 - HNL - THE NR 1 ENGINE GAVE OFF A LOUD BOOM AND THE EGT ROSE TO 963 DEGREES, SHORTLY AFTER TAKEOFF FROM HNL. THE NR 1 ENGINE WAS SHUTDOWN AND THE AIRCRAFT WAS RETURNED TO HNL WHERE IT LANDED WITHOUT INCIDENT. THE NR 1 ENGINE WAS REMOVED AND REPLMay 7, 1995 · N33021 · Boeing 747243BSDR HEEA954917Wheel · sulfidationENGINE REMOVED DUE TO TURBINE OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: MINOR SULFIDATION ON 1ST STAGE WHEEL BLADES. SCRAPPED 1ST STAGE WHEEL.May 4, 1995 · N3905B · Bell 206L1SDR HEEA954916Bearing · defectiveENGINE REMOVED FOR MODIFICATION. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: PULLER GROOVE MISSING ON #8 BEARING. INSTALLED NEW #8 BEARING.May 4, 1995 · Skrsky S76ASDR HEEA954915Lab Seal · defectiveRECEIVING INSPECTION OF NEW, NEVER INSTALLED #8 BEARING. LAB SEAL INDICATED EXCESSIVELY FLATTENED LAB SEAL. INSTALLED NEW LAB SEAL.May 4, 1995 · Skrsky S76ASDR ERAA9568Outer Shroud · defectiveNEW PART WITH -0- HOURS. SHROUD WILL NOT THREAD INTO BODY.May 4, 1995 · N207EH · Bell 206BSDR ERAA9567Coupling · rough splinesSPLINES ARE ROUGH ON N1 COUPLING.May 3, 1995 · N298EH · Bolkms BO105SSDR ERAA9566Adapter · rough splinesNEW ADAPTERS WITH -0- HOURS HAVE ADAPTER HAS ROUGH SPLINES.SERIAL NUMBERS ARE PX253, PX231, PX252May 3, 1995SDR ERAA9565Wheel · damaged splineNEW WHEELS WITH -0- HRS THAT HAVE 2ND STAGE WHEELS HAVE DAMAGED SPLINES.May 3, 1995SDR ERAA9564Nozzle · failedWHILE CUTTING 2ND STG B.T.P. CLEARANCE METAL BEGAN TO FLAKE OFF. 2ND STAGE NOZZLE SENT IN FOR OVERHAULMay 2, 1995 · N298EH · Bolkms BO105SSDR 95ZZZX3329Rotor · blades crackedDURING INSPECTION PER SB LT101-72-50-0150, SEVERAL BLADES FOUND TO HAVE INDICATION OF CRACKS DURING FPI. CRACKS WERE IN THE BLADE ROOT AREA. INVESTIGATION IS ON-GOING.May 2, 1995SDR 95ZZZX2475Retain Ring · making metalNOTED NUMEROUS CHIPS LARGER THAN .025 INCH. CHIP ALSO ON NG PICK-UP. REMOVED AND REPLACED ENGINE.May 1, 1995 · N117VU · Bolkms BK117B1SDR 95ZZZW728Blades · failureEN ROUTE SYD TO HKG, WHILE RETARDING ENGINES IN CRUISE, NR 4 ENGINE FLAMED OUT, COULD NOT RESTART UNTIL DESCENT TO FL 210. IN KHG, INSPECTED ENGINE PER MM 71-00-00, NO DAMAGE FOUND, AIRCRAFT DISPATCHED. ON CLIMB-OUT FROM HKG, AT FL 164, NR 4 ENGINE STALLED, Apr 28, 1995 · N855FT · Boeing 747124SDR 95ZZZX2552Shield · defectiveNOZZLE SHIELD HAS SADDLE PROTRUSIONS, UNDERSIZE.Apr 27, 1995
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