JASC 7323

Service difficulty reports · 544

Reports filed under 7323 · Turbine Governor, 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 = '7323'
  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 CA020228012Governor(CAN) COCKPIT INDICATION OF ENGINE TORQUE SPLIT DURING HOVER TAXI, AIRCRAFT RETURNED TO RAMP. TORQUE SPLIT CAUSED BY N2 GOVERNOR FAILURE CONFIRMED BY UNIT REPLACEMENT.Feb 16, 2002 · Bell 212SDR CA020104022Bearing · worn(CAN) WHEN INSPECTING THE N2 DROOP SNAG(PLEASE SEE PREVIOUS SDR ON SAME DAY), THE BALL WAS DISCOVERED TO BE WORN THROUGH THE SOCKET. THE ARM ASSY WAS REPLACED BY A SERVICABLE UNIT AND THE HELICOPTER WAS RETURNED TO SERVICE.Dec 31, 2001 · Bolkms BK117B1SDR CA020104021Bearing · contaminated(CAN) LACK OF DROOP COMPENSATION OBSERVED BY PILOTS. ENGINEERING NOTIFIED. ENGINEERING DISCOVERED A BINDING BEARING IN THE N2 CONTROL SYSTEM, LOCATED IN CABIN CEILING. BEARING WAS CLEANED OF DIRT, LUBRICATED AND FUNCTION TESTED SERVICABLE.Dec 31, 2001 · Bolkms BK117B1SDR 2002FA0000299Governor · inoperativeVERY SENSITIVE, COULD NOT MATCH TORQUES AND SHAFT IS RACHETY. REPLACED WITH SERVICEABLE PART.Dec 20, 2001SDR AUS20011343Governor · faulty(AUS) NR 2 ENGINE OVERSPEED GOVERNOR FAULTY.Dec 6, 2001 · Dhav DHC8202SDR CA011210010Drive Shaft · damaged(CAN) PILOT REPORTED IN NORMAL LEVEL CRUISE FLIGHT AT LOW TO MEDIUM TORQUE SETTING. HE FELT, HEARD AND NOTICED A POWER SURGE AND GAUGE FLUCTUATION APPROX. 2 PERCENT N1. THIS WOULD OCCUR FOR JUST A SECOND AND WOULD ONLY OCCASIONALLY HAPPEN 1 TIME OR SEVEERAL TINov 30, 2001 · Bell 206BSDR CA020405026Governor · inoperative(CAN) GOVERNOR WILL NOT HOLD 100 PERCENT IN FLIGHT.Nov 28, 2001 · Bell 206BSDR CA011121004Governor · failed(CAN) THE HELICOPTER WAS INVOLVED IN FOREST INVENTORY WORK AT LOW ALTITUDE AT NEAR GROSS WEIGHT AT SLOW SPEED WHEN PILOT NOTICED HIS ROTOR RPM DROPING, LOW ROTOR WARNING AND AN INDICATION OF 95 PERCENT. HE MANAGED TO DROP COLLECTIVE AND LAND IN A SMALL CLEARINNov 9, 2001 · Bell 206BSDR HEEA076982Governor · oscillatesENGINE OSCILLATES AT 100 PERCENT ON GROUND. REPLACED WITH SERVICEABLE PART.Oct 31, 2001 · N5759N · Bell 412SDR HEEA076273Governor · oscillatesENGINE N1, T5, TORQUE AND FUEL FLOW OSCILLATES AT HIGH POWER SETTINGS. REPLACED WITH SERVICEABLE PART.Oct 11, 2001 · N5435V · Skrsky S76ASDR HEEA076460Governor · malfunctionedSURGING. REPLACED WITH SERVICEABLE GOVERNOR.Oct 4, 2001 · N800Y · Bell 412SDR HEEA076459Governor · malfunctionedENGINE OSCILLATES CONSTANTLY 1 TO 3 PERCENT N1 WITH ITT FLUCTUATIONS. REPLACED WITH SERVICEABLE GOVERNOR.Oct 4, 2001 · N2149S · Bell 412SDR HEEA076458Governor · malfunctionedNR 2 ENGINE SURGES. REPLACED WITH SERVICEABLE GOVERNOR.Oct 4, 2001 · N2149S · Bell 412SDR HEEA076457Governor · malfunctionedN2 DROOP TO 97 PERCENT. COMPLETED DROOP COMPENSATION ADJUSTMENTS AND COMPLETED OPERATIONAL CHECK. FOUND ACCEPTABLE. AFTER 2:45 ADDITIONAL FLIGHT HOURS REPORTED N2 DROOP TO 97 PERCENT WITH N2 OVERSPEED TO 102 PERCENT. REPLACED WITH SERVICEABLE GOVERNOR.Oct 4, 2001 · N5014V · Bell 206L1SDR HEEA075927Governor · failedENGINE N2, T5, FUEL FLOW AND N1 ALL BLEED OFF PRIOR TO REACHING ENGINE LIMITING CHECK PARAMETERS. REPLACED WITH SERVICEABLE PART.Sep 10, 2001 · N5435V · Skrsky S76ASDR HEEA075555Governor · malfunctionedUNABLE TO CORRECT OVERSPEED. FOUND GOVERNOR BREAK RESPONDED 100 RPM EARLY. TESTED SATISFACTORY.Aug 21, 2001 · N4835 · Bell 206L3SDR A6WA200100047Control Box · failedNR 1 ENGINE FAILED IN FLIGHT, NO LEAKS NOTED OR DAMAGE NOTED. MAINTENANCE REMOVED AND REPLACED THE HIGH AND LOW PRESSURE FUEL FILTERS, FUEL CONTROL AND PRIMARY OVERSPEED CONTROL BOX.Aug 10, 2001 · N612AW · Bac 146300ASDR CA010809002Spring · cracked(CAN) DURING A POWER ASSURANCE CHECK NR 2 ENGINE HAD TOT AND TORQUE FLUCTUATIONS. ENGINE POWER RETURNED TO OPERATIVE LIMITS AND A/C LANDED AT MAINTENACE FACILITY. DURING POST FLIGHT INSPECTION, SPRING WAS FOUND TO BE CRACKED OFF FROM GOVERNOR ARM. NEW ONE INSTJul 24, 2001 · Bolkms BO105SSDR AUS20010738Governor · faulty(AUS) NR 2 ENGINE RPM DECREASED AND EGT INCREASED. VIGV AIR FLOW CONTROL UNIT PNO 754-1-32148-019A AND PUMP AND GOVERNOR UNIT (PAG) PNOPAC102MK4S CHANGED.Jul 12, 2001 · Boeing 747338SDR PNSA010704Governor · out of adjABORTED TAKEOFF DUE TO LOW RPM ON RT ENGINE WITH SPEED LEVERS FULL FORWARD. MAINTENANCE ADJUSTED UNDERSPEED GOVERNOR HIGH SETTING AND GROUND RUNUP NORMAL.Jul 8, 2001 · N30135 · Frchld SA227DCSDR CA010625051Governor · failed(CAN) TORQUE SPLITS COULD NOT BE BROUGHT INTO SPLE WITH ALLOWABLE AIRFRAME ADJUSTMENTS AND PERCENTAGE OF SPLITTING WOULD VARY AT EACH CYCLE.Jun 22, 2001 · Bolkms BK117A4SDR HEEA073695Governor · failedWILL NOT HOLD 100 PERCENT N2 SETTING. IN SHOP FOR REPAIR.Jun 19, 2001 · N30KH · Bell 206L3SDR HEEA073657Governor · malfunctionedACCELERATES VERY FAST. IN SHOP REPAIR.Jun 19, 2001 · N2298Z · Bell 412SDR 2001FA0000166Bearing · disintegratedSPOOL BEARING ASSEMBLY DISINTEGRATED. INNER AND OUTER RACES ARE ALL THAT REMAINS. NEARLY ALL EVIDENCE OF BALLS FROM BEARING MISSING. REASON FOR FAILURE POSSIBLY DUE TO BEARING BALL RETAINER FAILURE.May 31, 2001 · Skrsky S76SDR C2XA01CL144Governor · leakingCLE FLIGHT 3054 THE CREW REPORTED THE NR 2 ACW GENERATOR FAULTED ON THE GROUND RESULTING IN LOSS OF GREEN HYDRAULIC SYSTEM. NO BRAKES. MAINTENANCE REPLACED THE NR 2 ENGINE OVERSPEED GOVERNOR. THE OPERATIONAL CHECKS WERE GOOD.May 17, 2001 · N99838 · Aerosp ATR42320SDR AC2A075787Governor · crackedEPOXY DEBONDED ON GOVERNOR DRIVE SHAFT. REMOVED FROM SERVICE AND SENT IN FOR WARRANTY REPAIR.May 2, 2001 · N5366Y · Bolkms BO105SSDR AC2A072838Governor · brokenPOTTING ON END OF DRIVE GEAR IS BROKEN LOOSE. REMOVED GOVERNOR.Apr 25, 2001 · N8775 · Bolkms BO105SSDR KBMA88732Governor · failedWILL NOT DEVELOP FULL RPM. REMOVED AND REPLACED GOVERNOR WITH OVERHAULED, AS REQUIRED.Apr 19, 2001 · N73DP · Bell 206BSDR HEEA072604Governor · failedNR 1 ENGINE OSCILLATES DURING POWER TRANSITION AT APPROX. 80 PERCENT TORQUE. FOUND GOVERNOR WAS HANGING. FOUND INTERIOR OF UNIT VERY DIRTY WHICH CAUSED THE FLYWEIGHTS TO STICK. CLEANED FLYWEIGHTS AND REPLACED FLYWEIGHT PINS DUE TO WEAR. UNIT TESTED OK.Apr 16, 2001 · N3893L · Bell 412SDR HEEA072567Governor · malfunctionedN2 SLOW TO RECOVER AFTER POWER CHANGES. GOVERNOR RESPONDED POORLY ON TEST BENCH. SLOPE RESPONDED SLOWLY. CLEANED INTERIOR AND UNIT TESTED OK.Apr 11, 2001 · N6610C · Bell 206L3SDR HEEA072566Governor · malfunctionedAIRCRAFT EXPERIENCES OVERSPEEDS ON LANDINGS AND DROOPS DURING TAKE OFF. REPLACED GOVERNOR ASSY.Apr 11, 2001 · N45RP · Bell 206L1SDR HEEA072565Governor · dirtyWILL NOT RECOVER RPM AFTER COLLECTIVE POWER CHANGES. FOUND INTERIOR OF UNIT TO BE DIRTY WHICH COULD HAVE CAUSED GOVERNOR TO HANG AND HAVE HYSTERSIS PROBLEMS.Apr 11, 2001 · N5019F · Bell 206L1SDR HEEA072416Governor · malfunctionedN2 WENT HIGH WITH THROTTLE AT IDLE. FOUND UNIT TO BE SLIGHTLY HANGING. SPLIT UNIT AND FOUND INTERIOR OF UNIT TO BE DIRTY, WITH FLYWEIGHTS STICKING. THIS WAS THE CAUSE OF THE HANGING ON BENCH. CLEANED INTERIOR OF UNIT AND GOVERNOR TESTED OK.Apr 9, 2001 · N3893N · Bell 412SDR HEEA072415Governor · inoperativeN2 WILL NOT REACH 100 PERCENT. FOUND INTERIOR OF UNIT VERY DIRTY. TEFLON TUBE WAS WORN. REPLACED TEFLON TUBE WITH NEW PART AND CLEANED INTERIOR PARTS.Apr 9, 2001 · N3893N · Bell 412SDR 20010416CW016Governor · failedGOVERNOR FAILURE RANGES FROM 72 HOURS TO 1750 HOURS.Mar 25, 2001 · N5108E · Hughes 369DSDR 20010416CW015Governor · failedGOVERNOR FAILURES RANGE FROM 72 HOURS TO 1750 HOURS.Mar 25, 2001 · N4575Z · Hughes 369DSDR 20010416CW014Governor · failedGOVERNOR FAILURES RANGE FROM 72 HOURS TO 1750 HOURS.Mar 25, 2001 · N5200Y · Hughes 369DSDR 20010416CW013Governor · failedGOVERNOR FAILURES RANGE FROM 72 HOURS TO 1750 HOURS.Mar 25, 2001 · N9106Z · Hughes 369DSDR 20010416CW012Governor · failedGOVERNOR FAILURES RANGE FROM 72 HOURS TO 1750 HOURS.Mar 25, 2001 · N5187S · Hughes 369DSDR AC2A072837Governor · debondedDRIVE COUPLING DEBONDED.Mar 19, 2001 · N7131U · Bell 206B3SDR AC2A072836Governor · crackedCHECKED DRIVE COUPLING AND FOUND DEFECTIVE.Mar 19, 2001 · N8776 · Bolkms BO105SSDR AC2A072835Governor · debondedUNBONDED SHAFT.Mar 19, 2001 · N5366Y · Bolkms BO105SSDR AU010196Governor · faulty(AUS) NR 1 ENGINE OVERSPEED GOVERNOR FAULTY. THE GOVERNOR WAS A NEWLY FITTED ITEM WITH NO HOURS SINCE OVERHAUL.Mar 12, 2001 · Dhav DHC8102SDR AU010194Drive Shaft · sheared(AUS) NR 1 ENGINE POWER TURBINE GOVERNOR DRIVE COUPLING SHEARED.Mar 10, 2001 · Bolkms BK117B1SDR AC2A072834Governor · debondedPILOT REPORTED N2 OVERSPEED UNCONTROLLABLE WITH RPM TRIM MOTOR. NR 1 ENGINE RETURNED TO FLIGHT IDLE. FUEL JETTISONED, AND PILOT PERFORMED RUN-ON LANDING. REMOVED GOVERNOR AND FOUND DRIVE SPLINE DISENGAGED FROM GOVERNOR SHAFT. GOVERNOR REPLACEMENT FIXED PROBLMar 6, 2001 · N5366Y · Bolkms BO105SSDR TI1R001394Governor · malfunctionedGOVERNOR - FITTING LOOSE ON GOVERNOR, CAUSING ENGINE TO BE UNCONTROLLABLE AT ALL POWER SETTINGS. CHASING THE TORQUE NEEDLES. ALSO ENGINE SURGES ABOUT 20 PERCENT N2 AT FULL POWER. REMOVED AND REPLACED.Jan 12, 2001 · N117VU · Bolkms BK117B1SDR A1UR135HGovernor · failedPILOT REPORTED ENROUTE TORQUE SPLITS BETWEEN ENGINE. AC MADE SCHEDULED LANDING AT HOSPITAL. PILOT ATTEMPTED TO START NR 2 ENGINE, ENG WOULD NOT ACCELERATE BEYOND 42% NG SPEED. UPON INSP OF ENGINE AND COMPONENTS, TECH DISCOVERED NP GOVERNOR SHAFT SEIZED, REPJan 2, 2001 · N211SL · Bolkms BK117B1SDR 20001219SH015Governor · failedIN CRUISE FLIGHT, NR 2 ENGINE TORQUE DROPPED TO 20 PERCENT, N1 STABILIZED AT 82 PERCENT. BEEPED NR 2 ENGINE UP, CONTINUED FLIGHT, LANDED WITHOUT INCIDENT. FOUND THE NR 1 ENGINE HIGH SIDE GOVERNOR HAD FAILED. (X)Dec 4, 2000 · N460H · Bolkms BK117B1SDR 20001220SH008Spring · brokenDURING ROUTINE FLIGHT, PILOT EXPERIENCED A RAPID YAW TO THE RIGHT. NR 2 ENGINE, SN CAE-840415, SPOOLED DOWN TO FLIGHT IDLE AS THE RESULT OF THE NR 2 ENGINE GOVERNOR RETENTION SPRING FAILURE. GOVERNOR RETENTIONS SPRING WAS REPLACED. AIRCRAFT RETURNED TO SERIDec 1, 2000 · N911NW · Aerosp AS355F1SDR CA010103010B-Nut · loose(CAN) ENGINE HUNG START AT 38 PERCENT N1 GOVERNOR PC AIR TUBE FITTING "B" NUT FOUND LOOSE.Nov 27, 2000 · Bolkms BO105C
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