JASC 7210

Service difficulty reports · 873

Reports filed under 7210 · Turbine Engine Reduction Gear, 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 = '7210'
  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 AU970750Bearing · spalled(AUS) RH REDUCTION GEARBOX NR10 BEARING SPALLED ON BALLS AND INNER ANDOUTER RACES - LH REDUCTION GEARBOX NR10 BEARING HAD SLIGHT SPALLING ON THE INNER RACE AND DENTS ON THE BEARING SPLIT LINEEDGEApr 25, 1997 · Bell 412SDR HAIHEEA9538Gearbox · pressure fluxLOW AND FLUCTUATING OIL PRESSURE. SENT TO PRATT & WHITNEY FOR INSPECTION.Apr 23, 1997 · N3893N · Bell 412SDR HAIHEEA9471Gearbox · clutch slipGEARBOX CLUTCH MISENGAGEMENT WITHOUT AUDIBLE OR PHYSICAL (HELICOPTER JOLT) INDICATIONS. DURING START IT SLIPPED AT 20% N1 ENGAGED AT 30% N1 MOMENTARILY SLIPPED AT 50% N1.Apr 23, 1997 · N107X · Bell 412SDR HAIHEEA9469Combining Grbox · making metalCONTAMINATION ON GEARBOX CHIP PLUG AND FILTER.Apr 23, 1997 · N22608 · Bell 412SDR HAIHEEA9468Combining Grbox · making metalCOMBINING GEARBOX MAKING METAL - SIGNIFICANT FERROUS.Apr 23, 1997 · N2298Z · Bell 412SDR HAIHEEA9467Engine · making metalENG POWER SECTION MAKING METAL ON BOTH CHIP PLUGS.Apr 23, 1997 · N2261D · Bell 412SDR AU970444Bearing · spalled(AUS) ENGINE REDUCTION GEARBOX HAD EXCESSIVE METAL CONTAMINATION - CHIP DETECTOR LIGHT ILLUMINATED - INVESTIGATION FOUND LH AND RH NO10 BEARINGS SPALLEDApr 14, 1997 · Bell 412SDR CA970422016Bearing · spalled(CAN) REDUCTION GEARBOX WAS SENT FOR INVESTIGATION OF METAL CONTAMINATION. DISASSEMBLY OF THE RGB FOUND THE SOURCE OF THE METAL CONTAMINATION WAS A SPALLED #15 BEARING. IT IS NOT CLEAR WHAT CAUSED THE BEARING TO SPALL. THERE WAS NO MAGNETISM BEYOND LIMITS AND Apr 11, 1997SDR 97ZZZX1373Shaft Spline · missingFOUND METAL IN CHIP DETECTOR. PULLED GEARBOX, FOUND MISSING SPLINES.Mar 31, 1997 · N607F · Diamon DA20A1SDR 97ZZZX1372Shaft Splines · missingFOUND METAL IN CHIP DETECTORS. PULLED GEARBOX FOUND MISSING SPLINES ON PROPELLER SHAFT, P/N 837-280.Mar 31, 1997 · N608F · Diamon DA20A1SDR 97ZZZX1739Engine · failedLEFT ENGINE SHUT DOWN IN-FLIGHT DUE TORQUE PRESSURE DROP (40 PSI). SPEED INCREASE TO 103+ . ON INSPECTION, NO OUTWARD SIGN OF DAMAGE, BUT COULD NOT ROTATE PROPELLER. ENGINE OIL FILTER REMOVED, METAL IN FILTER. METAL ON CHIP DETECTOR (NO LIGHT). OIL BLACK Mar 28, 1997 · N3U · Gulstm 695SDR 97ZZZX1323Pinion Gear · wornINTERNAL SPLINES WORN OR AT LEAST BEYOND MAXIMUM LIMITS. NO WEAR STEP. BOTH BEARINGS JOURNALS .0002 INCH BELOW MINIMUM DIAMETER.Mar 21, 1997SDR 97ZZZX1682Damper Ring · crackedFOUND DAMPER RING CRACKED AND A SMALL CHIP MISSING ON THE OUTSIDE DIAMETER OF THE RING. THIS DEFECT BEING ON THE GEAR SIDE OF THE RING, FITS ALL THE WAY IN THE GROOVE, AND WAS ONLY FOUND AFTER REMOVAL. CRACK WAS 2 INCHES FROM THE END OF THE RING.Mar 18, 1997 · N8639F · Hughes 369DSDR REXA97064Prop Gear Box · low oilRIGHT OIL PRESSURE CWP LIGHT. RIGHT PROPELLER GEAR BOX OIL PRESSURE IS IN LOWER YELLOW ARC AND OIL TEMP IN UPPER YELLOW ARC. SERVICED RT PROPELLER GEAR BOX WITH 1.5 QUARTS OF OIL. (M)Mar 17, 1997 · N340PX · Saab SF340ASDR 97ZZZX1411Spur Gear · spalledINSPECTION FOUND GEAR TEETH SPALLED.Mar 17, 1997 · N8639F · Hughes 369DSDR 97ZZZX1410Spur Gear · spalledDURING INSPECTION OF GEARBOX GEARS, THE TEETH WERE FOUND SPALLED.Mar 17, 1997 · N8639F · Hughes 369DSDR 97ZZZX1409Pto Gear Spline · wornDURING INSPECTION OF GEARBOX GEARS, FOUND THE PTO GEAR INTERNAL DRIVE SPLINES WORN BEYOND LIMITS.Mar 17, 1997 · N8639F · Hughes 369DSDR HEEA979193Gearbox · defectiveCOMBINING GR BOX BLOWING OIL OUT OF OUTPUT SECTION VENT TUBE.Mar 12, 1997 · N3131S · Bell 212SDR 97ZZZX1358Transfer Tube · fracturedPILOT REPORTED A LOSS OF POWER AND GEARBOX NOISE AND SHUT THE ENGINE DOWN. AFTER DISASSEMBLY OF THE GEARBOX, DISCOVERED THE OIL TUBE 3101605-1 HAD FRACTURED AND A 3 INCH PIECE OF THE TUBE WAS FOUND IN THE GEARBOX NEXT TO THE OIL SCAVENGE PUMP PICK-UP TUBE. TMar 10, 1997 · N101UV · Stbros SC7SERIES3SDR CA970325010O-Ring · leaking oil(CAN) DURING FLIGHT THE CREW OBSERVED TORQUE PRESSURE FLUCTUATION ON #1 ENGINE. SUBSEQUENT ENGINE OIL PRESSURE FLUCTUATIOINS LED TO THE #1 ENGINE BEING SHUT DOWN. POST FLIGHT INSPECTION FOUND THE PROBLEM WAS A LEAKING PROP SHAFT SEAL. THE SYSTEM WAS SERVICED AMar 7, 1997 · Braero HS7482ASDR CA970428009Main Gear Box · failed(CAN) ENGINE WOULD NOT START. DISASSEMBLY OF MAIN GEARBOX FOUND THE PROBLEM TO BE THE DISPLACEMENT OF THE BEVEL DRIVE AND THE SPUR GEAR SHAFT REAR BEARING LINER. THE THREE PINS SECURING THIS LINER SHEARED ALLOWING THE LINER AND THE GEAR SHAFT TO MOVE FORWARD. Feb 26, 1997 · Boeing 727277SDR 97ZZZX1140Oil Tube · too shortINSPECTED OIL TUBE PER CEB1307 AND IS TOO SHORT PER REQUIREMENTS OF THE BULLETIN. PART WAS REPLACED.Feb 26, 1997 · N8639F · Hughes 369DSDR 97ZZZX1187Picollo Tube · burrsINSPECTED PICOLLO TUBE PER CEB 1177 (S/N BN16959) AND FOUND BURRS - SCRAPPED PER CEB.Feb 25, 1997 · N8639F · Hughes 369DSDR 97ZZZX1186Bearing · pittedDURING INSPECTION OF ENGINE GEARBOX, BEARING WAS FOUND TO BE PITTED ON SEVE RAL ROLLERS.Feb 25, 1997 · N8639F · Hughes 369DSDR 97ZZZX1139Nozzle · gougedDURING DISASSEMBLY OF ENGINE GEARBOX, NR 4 BEARING WAS FOUND NOT TO BE SEATED ALL THE WAY ON THE JOURNAL ON THE HELICAL GEAR DUE TO IMPROPER INSTALLATION. SUBSEQUENT INSPECTION FOUND THE 6875776 OIL NOZZLE GOUGED ON THE BOTTOM FLANGE BY THE BEARING. REPLACEDFeb 25, 1997 · N8639F · Hughes 369DSDR 97ZZZX3086Fitting · strippedWHILE IN CRUISE FLIGHT, PILOT NOTICED OIL LEAK ON RIGHT ENGINE. ENGINE SECURED AND UNEVENTFUL LANDING MADE. FURTHER INVESTIGATION FOUND SCAVANGE OIL PUMP FITTING THREADS STRIPPED. ENGINE REMOVED AND SENT TO OUTSIDE MAINTENANCE FACILITY FOR REPAIR.Feb 24, 1997 · N509SS · Swrngn SA226TCSDR 97ZZZX1261Bearing · spalledDISASSEMBLY OF GEARCASE, P/N 77580010, REVEALED THE FORWARD PROP SHAFT BALL BEARING WAS SPALLED, ONE BALL ONLY (775759-1 FIG 7, ITEM 50).Feb 24, 1997 · N250AE · Saab 340BSDR CA970226002Bull Gear · failed(CAN) DURING CRUISE, THE RIGHT HAND ENGINE SUDDENLY FEATHERED. ENGINE SECURED. INSPECTION FOUND THAT THE BULL GEAR HAD FAILED EITHER IN THE GEAR TOOTH BASE AND/OR THE WEB DISK OR THE DISK RADIUS. COULD HAVE BEEN CAUSED BY FOREIGN OBJECT ENTERING THE GEAR MEFeb 21, 1997 · Mtsbsi MU2B35SDR 97ZZZX985Bellville Washer · failed600 HOUR SOAP SAMPLE INDICATED HIGH METAL CONTENT. SUSPECT FROM THE PLANET GEARS. INSPECTION INDICATED BELLVILLE WASHER WAS SPINNING. PLANET GEARSHAFT AND WASHER REPLACED. ENGINE WAS APPROXIMATELY 600 HOURS OUT OF MPI.Feb 12, 1997 · N174B · Amd FALCON10SDR CA970220003Bearing · spalled(CAN) REDUCTION GEARBOX WAS SENT FOR INVESTIGATION AFTER METAL CONTAMINATION WAS FOUND IN THE ENGINE. DISASSEMBLY OF THE GEARBOX FOUND THE #15 BEARING SEVERELY SPALLED ON THE OUTER RACE WITH SUBSTANTIAL MATERIAL LOSS. THE #15 AND #18 BEARINGS BOTH HAD ELECTRICFeb 10, 1997SDR CA970217001Bearing · spalled(CAN) THE REDUCTION GEARBOX WAS SENT FOR INVESTIGATION OF METAL CONTAMINATION AND OVERHAUL. DISASSEMBLY OF THE RED GB REVEALED THE SOURCE OF THE METAL CONTAMINATION WAS A SPALLED #10 BEARING. THIS BEARING IS A LIFED ITEM AND IT IS THE OPINION OF THE REPAIR SHOFeb 7, 1997SDR CA970219018Bearing · spalled(CAN) THE REDUCTION GEARBOX WAS SENT FOR REPAIR AND INVESTIGATION AFTER THE OPERATOR REPORTED THE ENGINE WAS MAKING METAL. DISASSEMBLY OF THE REDUCTION GEARBOX FOUND THE CAUSE OF THE ENGINE CONTAMINATION WAS A SPALLED ROLLER OF THE #15 BEARING. THE #15 BEARINGFeb 6, 1997SDR 97ZZZX881Oil Cap · looseSHORTLY AFTER TAKEOFF, FLIGHT CREW NOTICED FLUCTUATION IN LEFT TORQUE METER, LOW OIL PRESSURE LIGHT CAME ON AND OIL SEEPING FROM THE LEFT COWLING. ENGINE WAS SHUT DOWN AND AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AFT SECTION COVERED WIFeb 4, 1997 · N235AV · Beech C99SDR 97ZZZX927Filter Cap · failedSHORTLY AFTER TAKEOFF FROM AN OFFSHORE PLATFORM IN THE GULF OF MEXICO, THE NR 1 ENGINE FIRE WARNING LIGHT ILLUMINATED AND THE NR 1 ENGINE OIL PRESSURE BEGAN TO FLUCTUATE. THE FLIGHT CREW SECURED THE NR 1 ENGINE AT WHICH TIME THE FIRE WARNING LIGHT EXTINGUISHEDJan 15, 1997 · N701AL · Skrsky S76SDR WTAA960219Carbon Seal · leakingLAX - SMOKE REPORTED IN CABIN FROM RIGHT AIR CONDITIONING PACK ON DEPARTURE. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. AIRCRAFT FERRIED TO FAT. MAINTENANCE REPLACED RIGHT ENGINE CARBON SEAL. GROUND AND LEAK CEHCK SATISFACTORY. AIRCRAFT RETURNED TO SEDec 18, 1996 · N429UE · Bag JETSTM3101SDR 97ZZZX203Bearing · spalledPILOT HAD JUST RUN THE ENGINE UP TO FLIGHT IDLE IN PREPARATION FOR TAKEOFF WHEN THE ENGINE CHIP LIGHT ILLUMINATED. A LARGE CHIP .0937 INCH BY .0625 INCH WAS FOUND ON THE UPPER CHIP PLUG AND SUBSEQUENT INSPECTION FOUND 2 ROLLERS WITH DEEPLY SPALLED AREAS ON THDec 18, 1996 · N5074R · Hughes 369DSDR 96ZZZX6174Gear Assy · damagedDURING DESCENT INTO ICT, PILOT REPORTED UNUSUAL NOISE FROM RT ENGINE. AFTER LANDING AND SHUT DOWN, ROTATION OF FAN BY LEAR JET MECHANIC CONFIRMED NOISE. INSP FOUND A BAYONET FROM A STUD IN THE TEETH OF THE FAN SUPPORT RING GEAR FOR GEARBOX. INSPECTION FOUNDDec 11, 1996 · N112FX · Lear 31ASDR CA961128026Bearing · spalled(CAN) METAL ON THE CHIP DETECTOR CAUSED THE REDUCTION GEARBOX TO BE REMOVED AND SENT FOR INVESTIGATION AND REPAIR. INSPECTION OF THE RGB FOUND THE #18 BEARING TO HAVE A SEVERELY SPALLED REAR INNER HALF RACE. MATERIAL LOSS EXTENDED AROUND MOST OF THE CIRCUMFERENov 21, 1996SDR HEEA968477Coupling · failed inspTURBINE REMOVED DUE TO 1750 HOUR INSPECTION DUE. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: FAILED NO-GO GUAGE INSPECTION ON N1 COUPLING INTERNAL SPLINES. INSTALLED NEW PART.Nov 13, 1996 · N9190Y · Bolkms BO105SSDR 96ZZZX5839Oil Plug · detachedAS PART OF TROUBLESHOOTING FOR AN ENGINE OIL QUANTITY PROBLEM, OIL PLUG, WAS FOUND MISSING FROM THE ENGINE DRIVEN COMPRESSOR DRIVE ASSEMBLY. ALLISON P/N 6854702. OIL PLUG WAS RETRIEVED FROM THE REDUCTION GEARBOX LOW POINT DRAIN. OIL PLUG IS PRESS-FIT INTO DNov 13, 1996 · N49 · Cvac 440SDR 96ZZZX5823Bearing · making metalENGINE WAS REPORTEDLY MAKING METAL. FOUND THE CAUSE TO BE THE PTO GEARSHAFT FORWARD BEARING WHICH HAD A SEVERELY SPALLED INNER RACE. THE BEARING IS AN FAA-PMA PART, MANUFACTURED BY SUPERIOR.Oct 23, 1996SDR HAI00000088Seal · tornSEAL IS TORN. REPLACED WITH NEW SEAL FROM CSF STOCK.Oct 18, 1996SDR CA961016012Bearing · spalled(CAN) THE REDUCTION GEARBOX WAS SENT FOR INVESTIGATION AND REPAIR AFTER M50 METAL WAS FOUND IN A SOAP SAMPLE. INVESTIGATION FOUND THE SOURCE OF THE METAL WAS SPALLING OF THE #15 BEARING.Oct 7, 1996SDR CA961016011Bearing · spalled(CAN) THE REDUCTION GEARBOX WAS FOUND TO BE MAKING METAL WHICH WAS IDENTIFIED TO BE M50. THE REDUCTION GEARBOX WAS DISMANTLED AND INSPECTED AND THE SOURCE OF THE METAL CONTAMINATION WAS SPALLING OF THE #15 BEARING.Oct 4, 1996SDR CA961021002Bearing · spalled(CAN) DURING FIRST START, THE NR 2 ENGINE CHIP LIGHT ON. ENGINE SHUT DOWN. CHIP PULSE ACTIVATED AND LIGHT WENT OUT. ON NEXT START, THE CHIP LIGHT CAME ON AGAIN, ENGINE SHUT DOWN. CHIP PLUGS CHECKED AND FILTER REPLACED. IT HAD MANY FLAKES, BUT WITHIN LIMITOct 2, 1996SDR CA961009010Gearbox · making metal(CAN) WHILE CONDUCTING A 150 HOUR INSPECTION BRASS PARTICLES WERE FOUND IN THE COMBINING GEARBOX. C-BOX WAS REPLACED.Oct 2, 1996 · Bell 212SDR CA961007027Bearing · spalled(CAN) REDUCTION GEARBOX (RGB) SENT FOR INVESTIGATION AND REPAIR AFTER THE OPERATOR REPORTED THE RGB WAS MAKING METAL. THE CAUSE OF THE REDUCTION GEARBOX MAKING METAL WAS SPALLED OF THE #15 BEARING INNER RACE.Sep 27, 1996SDR CA961009011Input Piston · spalled(CAN) ENGINE SENT FOR ROUTINE OVERHAUL. MAINTENANCE TAG STATED REDUCTION GEARBOX WAS MAKING METAL. THE REDUCTION GEARBOX WAS INSPECTED AND THE PROBLEM WAS CAUSED BY A SPALLED INPUT PISTON.Sep 26, 1996SDR CA961007026Bearing · spalled(CAN) THE REDUCTION GEARBOX WAS FOUND TO BE GENERATING METAL ANALYSED TO BE M50. THE PRINCIPAL SOURCE OF THE METAL CONTAMINATION WAS FOUND TO BE #15 BEARING WHICH HAD SPALLED BADLY ON THE OUTER RACE WITH SUBSTANTIAL MATERIAL LOSS. THIS APPEARED TO BE THE RESULSep 20, 1996SDR CA961002016Pinion Gear · spalled(CAN) ROUTINE FILTER AND CHIP DETECTOR CHECKS FOUND THE REDUCTION GEARBOX WAS GENERATING ALLOY STEEL FLAKES. THE ENGINE WAS SENT TO R&O FOR INVESTIGATION. THE SOURCE OF THE METAL FLAKES WAS FOUND TO BE FROM SEVERAL SPALLED AREAS ON THE R/H SECOND STAGE PINION Sep 20, 1996
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