Pratt & Whitney JFTD12A-5A

Service difficulty reports · 32

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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 engine_model_key = 'JFTD12A5A'
  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 JYDR20201013282Attach Bolt · brokenPILOTS SUDDENLY FELT A VIBRATION AND HEARD A HOWLING NOISE. THEY RETURNED TO THE LANDING SITE AND SHUT DOWN. AT INSPECTION, MAINTENANCE FOUND 1 OF 3 NAS628-15 BOLT BROKEN IN HALF ON THE NR 2 HIGH SPEED SHAFT ON THE FORWARD END, WHERE IT ATTACHES TO THE FREE Oct 13, 2020 · N159AC · Skrsky S64F · Engine/Transmission CouplingSDR JYDR20201008218Engine · overtempAIRCRAFT WAS ON SHORT FINAL AT 50 FT AGL WHEN NR 1 ENGINE LOW SPEED CHIME CAME ON. PILOT NOTED DECREASING N1 RPM WITH RISING T% (ROLLBACK). PROPER ENGINE IDENTIFIED AND SHUT DOWN. RECORDING T5 INDICATOR CHECKED AND FOUND ENGINE HAD REACHED 784C FOR 4 SECONDOct 7, 2020 · N159AC · Skrsky S64F · Engine (Turbine/Turboprop)SDR JYDR20180713190Disc · crackedDURING INSPECTION IAW AD 97-02-13 USING AMOC LETTER. 6 CRACKS WERE FOUND AT THE TIE BOLT THROUGH HOLES. CRACKS WERE FOUND WITH BOTH FPI AND EDDY CURRENT. AD STATES THAT DISK IS TO BE INSPECTED AT OR BEFORE 3000 HOURS TT AND 1500 HOURS THEREAFTER. THIS DISK HAJul 11, 2018 · Skrsky S64F · Turbine Engine Compressor SectionSDR JYDR20160422098Bearing Race · crackedFOUND HORIZONTAL HINGE PIN INNER BEARING RACE CRACKED DURING REPAIR. MRH HAD 292.3 HRS. REMAINING TO O/H. MFG HAS BEEN INFORMED.Apr 21, 2016 · N178A · Skrsky S64F · Main Rotor HeadSDR CA150511015Solenoid · defective(CAN) UNCOMMANDED INADVERTENT RELEASE OF LOWER HOOKS.May 9, 2015 · Skrsky CH54B · Aerial Tow EquipmentSDR JYDR2013110800239Servo · wornDURING A SCHEDULED MAIN GEAR BOX CHANGE, THE LT LATERAL PRIMARY SERVO WAS FOUND TO HAVE A SEVERELY WORN BOLT AND BUSHING AT THE LOWER PIVIT FOLLOW UP ARM. SERVO WAS REMOVED FROM SERVICE AND RETURNED TO THE REPAIR STATION FOR INVESTIGATION. THE MFG IS PARTISIPNov 8, 2013 · N171AC · Skrsky S64F · Rotorcraft Servo SystemSDR JYDR2013110801239Servo · wornDURING A SCHEDULED MAIN GEAR BOX CHANGE, THE LT LATERAL PRIMARY SERVO WAS FOUND TO HAVE A SEVERELY WORN BOLT AND BUSHING AT THE LOWER PIVIT FOLLOW UP ARM. SERVO WAS REMOVED FROM SERVICE AND RETURNED TO THE REPAIR STATION FOR INVESTIGATION. THE MFG IS PARTICIPNov 8, 2013 · N171AC · Skrsky S64F · Rotorcraft Servo SystemSDR 2009FA0000042Nut · crackedDURING THE DISASSEMBLY OF THE MRH, 1 NUT WAS FOUND CRACKED. THE NUT IS CRACKED THROUGH ON ONE SIDE AND RUNS THE LENGTH OF THE NUT. THE UNT IS ONE OF (2) THAT SECURES THE DAMPER BRACKET TO THE MRH LOWER PLATE. THE CAUSE OF THE CRACK IS BEING INVESTIGATED. (Jan 8, 2009 · N163AC · Skrsky CH54B · Main Rotor HeadSDR 2006FA0000951Axle · cracked(REF NR: MDR06-091) UPON DISASSEMBLY, AXLE WAS FOUND TO BE CRACKED AND RUNS AROUND THE CIRCUMFERENCE. THE TRACTURE APPEARS TO ROIGINATE IN THE WELD ON THE CENTER OF THE AXLE SHAFT. THE AXLE WAS FRACTURED UNDER THE SOCKET, PN 6425-50202-101, AS EVIDENCED BY ASep 8, 2006 · N158AC · Skrsky CH54B · Main Landing Gear Strut/Axle/TruckSDR JYD2006F00000Bearing · spalledBEARING OUTER RACE SPALLED AND CRACKED. SPALLING AND CRACK ARE ON NR1 BEARING ROW ONLY. CRACK IS APPROXIMATELY 2.25 INCHES LONG. PROBABLE CAUSE IS UNKNOWN. THE BEARING RACE WILL BE ANALYZED TO DETERMINE THE CAUSE. THERE ARE NO RECOMMENDATIONS TO PREVENT REDec 9, 2005 · N159AC · Skrsky CH54B · Main Rotor Mast/SwashplateSDR 2005FA0000820Turbine Blades · brokenCOMPRESSOR ASSY WAS REMOVED FROM AC FOR FAILING VIBRATION ANALYSIS. DURING THE PRELIMINARY INSPECTION IT WAS NOTED THAT A PIECE OF 2ND STAGE TURBINE BLADE OUTER SHROUD KNIFE EDGE WAS MISSING. THE MISSING PIECE WAS APPROXIMATELY .500 INCH LONG AND FROM THE AFApr 13, 2005 · N159AC · Skrsky S64F · Turbine SectionSDR 2005FA0000818Duct · crackedNR 1 ENGINE REMOVED FROM ACFT, DUE TO 5 INCH AXIAL BULGE AT OUTER TURBINE CASE, 2-3 OCLOCK POSITION WITH APPROX .5625 INCH HORIZONTAL CRACK RUNNING THROUGH CENTER MOST PORTION OF THE BULGED AREA. UPON REMOVAL OF ENGINE HOT SECTION, TURBINE OUTLET DUCT FOUNMar 2, 2005 · N189AC · Skrsky S64E · Turbine SectionSDR 2005FA0000817Thrust Washer · wornMAIN GEAR BOX, SN A6051 REMOVED FOR BRASS CONTAMINATION. UPON DISASSEMBLY DISCOVERED BRASS MATERIAL WAS FROM SECOND STAGE PLANETARY THRUST WASHERS. 34 OUT OF 36 THRUST WASHERS WORN ON ID BEYOND MAX SERVICEABLE LIMITS. 18 EA BEARINGS HAD SHARP EDGES INNER RACFeb 14, 2005 · N173AC · Skrsky S64E · Main Rotor GearboxSDR 2005FA0000340Bearing Race · cracked(MDR05-072) THE MRH SLEEVE AND SPINDLE ASSY DEVELOPED AN OIL LEAK WHILE ON AIRCRAFT AND WAS NOTED DURING ROUTE INSPECTION. UPON REMOVAL AND REPLACEMENT WITH A SERVICEABLE ASSY, A CRAK WAS FOUND ON THE INNER RACE. VISUAL INSPECTION SHOWS WEAR AND CORROSION TYJan 10, 2005 · N158AC · Skrsky S64F · Main Rotor HeadSDR JYDRMDR04069Housing · crackedMGB WAS REMOVED FOR MAIN SHAFT REPLACEMENT AND OVERHAUL. AFTER DISASSEMBLY OF GEAR BOX, THE UPPER HOUSING WAS LOCALLY BLENDED, ETCHED UNDER THE INPUTS AND INSPECTED BY FPI. THE HOUSING WAS REJECTED FOR CRACKS ON THE LT AND RT SIDE. POOR REWELD QUALITY OF CADec 6, 2004 · N159AC · Skrsky S64F · Main Rotor GearboxSDR MDR03032Bleed Valve · obstructedNR 1 ENG OIL PRESS WAS INDICATING LOWER THAN NR 2 ENG. PRESS INDICATED 45 PSI. ADJUSTED PRESS VALVE TO INCREASE CHECK AT NEXT FLT. NR 1 ENG WAS STARTED, INDICATED NML GROUND IDLE. ACCELERATING TO 70 PERCENT N2, OIL PRESS DROPPED OFF, CAUTION LIGHT ILLUM, POct 2, 2004 · N178AC · Skrsky S64F · Compressor Bleed ValveSDR 2004F00286Duct · crackedDURING DISASSEMBLY OF N1 SECTION, IT WAS NOTICED THAT THERE WAS A LARGE PIECE OF MATERIAL WEDGED IN BETWEEN TWO 1ST STAGE BLADES. UPON FURTHER DISASSEMBLY/INVESTIGATION THE OUTLET DUCT ASSEMBLY WAS FOUND TO BE MISSING A LARGE SECTION OF THE OUTER DUCT APPROXIJul 13, 2004 · Skrsky S64E · Turbine Engine Compressor SectionSDR MDR03039Attach Angle · crackedDURING A SCHEDULED INSPECTION, LT ATTACH ANGLE, PN 6420-66340-105, WAS FOUND CRACKED AT STA 767.8 LBL 5.5, WL 177.1. THE CRACK ORIGINATED AT THE BOTTOM HUCK FASTENER AND TRAVELED DOWN TO THE EDGE OF THE ANGLE. THESE ANGLES ATTACH THE INTERCOSTALS TO THE CANTDec 15, 2003 · N158AC · Skrsky CH54B · Fuselage Miscellaneous StructureSDR 98ZZZX2255Blade · fracturedON 4-24-98, AIRCRAFT WAS ON A FIRE FIGHTING MISSION. DURING CLIMB-OUT, A LOUD 'BANG' SOUND OCCURRED, FOLLOWED BY A LEFT YAW. THE LOAD OF WATER WAS JETTISONED AND PILOTS PUSHED MAXIMUM BEEP ON BOTH ENGINES. THE NR 1 ENG WAS CARRYING THE LOAD. THE NR 2 ENG RApr 24, 1998 · N159AC · Skrsky S64F · Turbine Engine Compressor SectionSDR 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 S64F · Turbine SectionSDR 97ZZZX4464Bearing · failedBEARING REMOVED FROM ENG DURING OVERHAUL WITH TT OF 1691.6 HRS. DURING OVERHAUL, BEARING WAS INSPECTED AND 2 UNUSUAL CONDITIONS FOUND: BALLS EXHIBITED SEVERE SCRATCHES AND RETAINER SHOWED SMEARED SILVER PLATING IN THE BALL RETENTION AREA. AFTER ANALYSIS, RSep 30, 1997 · Turbine Engine Compressor SectionSDR 970326Air Seal · crackedON MARCH 13, 1997, COMPRESSOR ASSY S/N 677775 WAS SCHEDULED FOR AN OVERHAUL, W.O. NR 25419. TEAR DOWN WAS COMPLETED ON MARCH 14, 1997, WITH NO PROBLEMS. THE AIR SEAL ON THE REAR OF THE 7TH STAGE DISK WAS NOTED TO HAVE A CRACK COMPLETELY THROUGH IT AND ANOTHMar 13, 1997 · Turbine Engine Compressor SectionSDR 97ZZZX853Bevel Gearshaft · crackedFOUND CRACK INDICATIONS DURING FMPI INSIDE SQUARE DRIVE OF GEARSHAFT. INDICATORS APPEAR SHARP. A WELL DEFINED CRACK-TYPE INDICATION IS SEEN INSIDE CORNERS OF SHAFT. OUTSIDE DIAMETER SHOWS BROAD FUZZY INDICATIONS THAT CORRESPOND DIRECTLY TO INSIDE INDICATIOFeb 11, 1997 · Turbine SectionSDR 97ZZZX854Bevel Gearshaft · crackedFOUND CRACK INDICATIONS DURING FMPI INSIDE SQUARE DRIVE OF GEARSHAFT. INDICATORS APPEAR SHARP. A WELL DEFINED CRACK-TYPE INDICATION IS SEEN INSIDE CORNERS OF SHAFT. OUTSIDE DIAMETER SHOWS BROAD FUZZY INDICATIONS THAT CORRESPOND DIRECTLY TO INSIDE INDICATIOFeb 11, 1997 · Turbine SectionSDR 97ZZZX855Bevel Gearshaft · crackedFOUND CRACK INDICATIONS DURING FMPI INSIDE SQUARE DRIVE OF GEARSHAFT. INDICATORS APPEAR SHARP. A WELL DEFINED CRACK-TYPE INDICATION IS SEEN INSIDE CORNERS OF SHAFT. OUTSIDE DIAMETER SHOWS BROAD FUZZY INDICATIONS THAT CORRESPOND DIRECTLY TO INSIDE INDICATIOFeb 11, 1997 · Turbine SectionSDR 97ZZZX856Bevel Gearshaft · crackedFOUND CRACK INDICATIONS DURING FMPI INSIDE SQUARE DRIVE OF GEARSHAFT. INDICATORS APPEAR SHARP. A WELL DEFINED CRACK-TYPE INDICATION IS SEEN INSIDE CORNERS OF SHAFT. OUTSIDE DIAMETER SHOWS BROAD FUZZY INDICATIONS THAT CORRESPOND DIRECTLY TO INSIDE INDICATIOFeb 11, 1997 · Turbine SectionSDR 96ZZZX5190Tablock · missingTABLOCK FOUND MISSING AT POST-FLIGHT INSPECTION ON 6-25-96. THE LAST OVERHAUL WAS PERFORMED BY SABRELINER. WHEN INSPECTING THE COMPRESSOR THROUGH THE INLET, CONTACT OF 3RD STAGE BLADE NOTED ON FACE OF 4TH STAGE STATOR NEAR CENTERLINE OF ENGINE (ROOT END OF BJun 25, 1996 · N178AC · Skrsky S64F · Turbine Engine Compressor SectionSDR 96ZZZX5191Tablock · missingTABLOCK FOUND MISSING AT PRE-FLIGHT INSPECTION CONDUCTED ON 4-26-96. THE LAST OVERHAUL PERFORMED BY EAC ON 8-4-94. WHEN INSPECTING THE COMPRESSOR THROUGH THE INLET, CONTACT OF 3RD STAGE BLADE WAS NOTED ON FACE OF 4TH STAGE STATOR NEAR CENTERLINE OF ENGINE (RApr 26, 1996 · N178AC · Skrsky S64F · Turbine Engine Compressor SectionSDR 96ZZZX5313Tablock · missingTABLOCK FOUND MISSING AT HIDDEN DAMAGE INSPECTION CONDUCTED ON COMPRESSOR BEING PROCESSED INTO THE REPAIR STATION ON 1-26-96. THE LAST OVERHAUL WAS PERFORMED BY EAC ON 8-4-94. WHEN INSPECTING THE COMPRESSOR THROUGH THE INLET, CONTACT OF 3RD STAGE BLADE NOTEDJan 26, 1996 · N159AC · Skrsky S64F · Turbine Engine Compressor SectionSDR 96ZZZX5192Tablock · missingENGINE FAILED INTERNALLY AT FIRST LIFT-OFF OF THE DAY. TABLOCK FOUND MISSING 12-2-95. THE LAST OVERHAUL PERFORMED BY EAC ON 1-6-94. WHEN INSPECTING COMPRESSOR THROUGH INLET, CONTACT OF 3RD STAGE BLADE NOTED ON FACE OF 4TH STAGE STATOR NEAR CENTERLINE OF ENGDec 2, 1995 · N178AC · Skrsky S64F · Turbine Engine Compressor SectionSDR 96ZZZX5193Tablock · missingENGINE REMOVED FOR HSI. TABLOCK FOUND MISSING AT HIDDEN DAMAGE INSPECTION CONDUCTED ON COMPRESSOR BEING INDUCTED IN REPAIR STATION ON 8-22-95. THE LAST OVERHAUL PERFORMED BY EAC ON 10-7-94. WHEN INSPECTING COMPRESSOR THROUGH INLET, CONTACT OF 3RD STAGE BLADAug 22, 1995 · N178AC · Skrsky S64F · Turbine Engine Compressor SectionSDR 95ZZZX2154Disk · pittedP AND W SB 1508, REQUIRES ALL ENGINES TO BE COMPLETELY DISASSEMBLED TO CONDUCT A CORROSION INSPECTION EVERY 7 YEARS. SERIOUS CORROSION PITTING FOUND WHEN CONVERTING MILITARY T73-P-1 OR T73-P-700 ENGINES TO COML. USE. DISK FAILURE CAN OCCUR IF CORROSION INSPEJan 24, 1995 · Skrsky S64A · Turbine Engine Compressor Section
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