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 CA001110045Bolt · failed(CAN) DURING CRUISE FLIGHT, PILOT WAS ONLY ABLE TO ACHIEVE 98 PERCENT N2 ON NR 1 ENGINE. UPON LANDING AT THE MAINTENANCE FACILITY, AN INSPECTION FOUND THE NR 1 ENGINE GOVERNOR CABLE WHERE IT ATTACHES TO THE COLLECTIVE FORK HAD BECOME DISENGAGED. REF: MBB POct 17, 2000 · Bolkms BO105CSDR CA001103008Governor · out of rig(CAN) LT ENGINE WOULD NOT REDUCE POWER WHEN THROTTLE LEVER RETARDED. ENGINE RE-RIGGED AS PER MM AND UNDER SPEED FUEL GOVERNOR MIN. STOP FOUND BOTTOMED OUT. ADJUSTMENTS CARRIED OUT, AIRCRAFT TEST FLOWN WITH NO DIFFICULTIES REPORTED. AIRCRAFT RETURNED TO SERVICEOct 12, 2000 · Swrngn SA227ACSDR CA001205014Governor · failed(CAN) GOVERNOR ARM ALMOST SEIZED (SHAFT TO BODY). UNIT REQUIRED EXTREME FORCE TO MOVE, WAS ALSO CAUSING HEAVY COLLECTIVE.Sep 23, 2000 · Hughes 369DSDR CA000905015Governor · malfunctioned(CAN) WHILE RUNNING ON THE GROUND AT 100% N2 THE PILOT PULLED COLLECTIVE. AS HE PULLED IN POWER THE ROTOR RPM DROPPED TO 80%, ALL AIR LINES WERE LEAK CHECKED, GOVERNOR REPLACED & THE PROBLEM WENT AWAY.Aug 16, 2000 · Bell 206BSDR COMA0060649Amplifier · malfunctionedLEFT ENGINE OVERSPEED WARNING. REPLACED THE N1 AMPLIFIER.Aug 16, 2000 · N816CA · Cndair CL6002B19SDR CA000824007Governor · failed(CAN) THE PILOT WAS ON THE GROUND AT FLIGHT IDLE AND ACCELERATED THE RPM TO NR RPM 100 PERCENT. THE RPM REACHED 108 PERCENT FOR 1 TO 3 SECONDS. THE PILOT TRIED TO BEEP THE RPM DOWN BUT NO RESPONSE. THE PILOT BROUGHT THE THROTTLE DOWN TO FLIGHT IDLE. THE PILAug 5, 2000 · Bell 206BSDR CHQA20000022Governor · failedCREW EXPERIENCED A 30 PERCENT TORQUE FLUX IN CRUISE FLIGHT. SHUT DOWN ENGINE AND RETURNED TO THE FIELD. THE PROP GOVERNOR WAS REPLACED, GROUND RAN WITH ALL INDICATIONS NORMAL.Aug 1, 2000 · N853JS · Bag JETSTM3101SDR CA001205008Governor · failed(CAN) SPIKES ON OR ABOVE 103 PERCENT N2 WHEN THE TORQUE IS ABOUT 73 PERCENT. QUADRANT READS 93 ON POINTER TO ATTAIN 103 PERCENT. SO ENGINE DOES NOT GENERAGE ENOUGH POWER AT THE STANDARD RIGGING LOCATION OF 81. UNIT REPLACED.Jul 29, 2000 · Hughes 369DSDR CA000809004Governor · failed(CAN) WHILE IN A HOVER, 100 FT AGL, PILOT NOTICED N2, N2 SPEED BETWEEN 100 - 113 PERCENT. PILOT LANDED ROTORCRAFT WITHOUT FURTHER INCIDENT. GOVERNOR REPLACED.Jul 23, 2000 · Bell 206LSDR AU000570Governor · failed(AUS) RIGHT ENGINE POWER TURBINE GOVERNOR INTERNAL FAILURE. GOVERNOR DRIVE SPLINE SHEARED WITH CORRESPONDING ENGINE OVERSPEED. (X)Jul 8, 2000 · Bolkms BK117B2SDR 20001024AP005Line · brokenRIGHT ENGINE GRADUAL POWER LOSS. FOUND PRIMARY GOVERNOR P-3 DUMPLINE BROKEN AT GOVERNOR END. (M)Jul 2, 2000 · N575A · Beech 1900CSDR CA001013021Governor · misinstalled(CAN) WHEN CHECKING THE GOVERNOR ON RECEIPT, IT WAS NOTED THAT THE T FITTING WAS INSTALLED IN THE WRONG PORT. FITTING WAS REMOVED AND INSTALLED IN THE CORRECT PORT.Jun 21, 2000 · Bell 206BSDR 20000918SH017Governor · erraticGOVERNOR CAUSED ERRATIC POWER OUTPUT RESULTING IN LOSS OF POWER AND SHUT DOWN. REPLACED GOVERNOR. (X)Jun 17, 2000 · N214AE · Bolkms BK117B1SDR 20000809SH011Governor · leakingRIGHT ENGINE LEAKING OIL AT FRONT SECTION. PROBLEM DETERMINED TO BE CRACKED HOUSING ON AUTOFEATHER DUMP SOLENOID. REPLACED ENTIRE OVERSPEED GOVERNOR WITH SERVICEABLE OVERSPEED GOVERNOR. PART POSSIBLY CRACKED AS A RESULT OF MATING TWO UNEVEN SURFACES. (X)Jun 13, 2000 · N99TH · Beech B99SDR CA000516015Governor · defective(CAN) PILOT COMPLAINED OF LAGGING GOVERNOR WHICH ALSO TENDED TO UNDERSPEED AND OIVERSPEED AS COLLECTIVE WAS CHANGED AND NOT RECOVER TO THE SET RPM. UPON REMOVAL, THE AME NOTICED SOMETHING WAS NOT QUITE RIGHT AT THE DRIVESHAFT. UPON INPSPECTION, THE EPOXY, CIMay 5, 2000 · Bell 206BSDR CA000414016Flyweight · damaged(CAN) N1 SPEED DROPPED TO 60 PERCENT GOVERNOR REMOVED AND FOUND THAT SHAFT WAS RESISTANT TO BEING ROTATED, SPECIFIED INTERNAL FLYWEIGHTS AS THE PROBLEM AREA.Apr 10, 2000 · Bolkms BO105SSDR 20000426SH024Governor · malfunctionedPILOT APPLIED POWER TO TAKEOFF. WHEN ACFT WAS ''LIGHT ON THE SKIDS'', PILOT OBSERVED THE NR 2 TORQUE NEEDLE ADVANCE TO 90 PERCENT. THE NR 1 TORQUE NEEDLE DECREASED ACCORDINGLY. THE NR 2 N2 NEEDLE INDICATED 106 PERCENT. PILOT REDUCED POWER INPUT AND SETTLED AIMar 23, 2000 · N220HH · Bolkms BK117B1SDR CA000410028Amplifier · failed(CAN) LOW POWER ON RIGHT ENGINE, ABORTED TAKEOFF AT 80 KNOTS. ENGINE WOULD ONLY DEVELOP 76 PERCENT OF N1. N1 SPEED CONTROLLER AMPLIFIER REPLACED.Mar 14, 2000 · Cndair CL6002B19SDR LS1R066498Pt Governor · inoperativePT GOVERNOR INOPERABLE, UNABLE TO HOLD N2 RPM.Mar 3, 2000 · N1097J · Hughes 369DSDR CA000310009Spline Adapter · loose(CAN) DURING ENGINE POWER CHECK, IT WAS NOTED THAT BOTH N2 AND NR SPEEDS DROPPED BELOW NORMAL. ENGINE ALSO OVERSPEED ABOVE NORMAL WHILE LOWERING COLLECTIVE. GOVERNOR REMOVED AND LOOSE SPLINES WERE FOUND WHERE ENGAGING INTO ENGINE GEARBOX. SOME SPLINE PARTS Mar 1, 2000 · Bell 206LSDR AGQA065670Governor · fluctuatedGOVERNOR IS FLUCTUATING IN POWER.Jan 24, 2000 · N1097J · Hughes 369DSDR 2000ZZZX727Governor · malfunctionedIN CRUISE FLIGHT, THE POWER TURBINE ROTOR DROOPED TO 90 PERCENT AND WOULD NOT RECOVER. THE PILOT LOWERED COLLECTIVE, RECOVERED ROTOR SPEED AND DID A POWER ON RECOVERY.Jan 15, 2000 · N35WH · Bell 206BSDR AGQA065562Governor · slowGOVERNOR SLOW TO RECOVER.Jan 7, 2000 · N1097J · Hughes 369DSDR HEED065770Shaft Seal · leakingSHAFT SEAL LEAKING. REPLACED UNIT.Dec 17, 1999 · N3193E · Bell 407SDR 2000ZZZX661Governor · failedGOVERNOR FAILURE, UNIT BECOMES ERRATIC IN OPERATION. WILL NOT HOLD ENGINE RPM. SUBMITTER STATED EXPERIENCED THREE SUCH FAILURES THIS YEAR ON FLEET. (X)Dec 9, 1999 · N525FB · Hughes 500NSDR CA991230035Stud · leaking(CAN) AFTER SHUTDOWN, OIL WAS FOUND LEAKING FROM THE NR 2 ENGINE. MAINTENANCE FOUND THE OVERSPEED GOVERNOR LEAKING AT A STRIPPED STUD. THE STUD WAS LOOSE IN THE PUMP BODY.Dec 8, 1999 · Dhav DHC8102SDR 20000622SH005Line · looseNR 2 ENGINE DECELERATED DURING FLIGHT. ENGINE WAS SHUT DOWN AND A SINGLE ENGINE LANDING WAS MADE. UPON INVESTIGATION BY MAINTENANCE, THE PR LINE AT THE GOVERNOR WAS EXTREMELY LOOSE. TIGHTENED B-NUT AND ENGINE PERFORMED SATISFACTORY DURING POST RUN-UP. GOVERNov 22, 1999 · N105MH · Bolkms BO105SSDR CA991210090Actuator · failed(CAN) ON TAKEOFF, THE NR, N2 DECREASED AND WOULD NOT RESPOND TO BEEP INPUT.Nov 10, 1999 · Camair 480SDR CA991007060Governor · leaking(CAN) FUEL LEAK BEYOND LIMITS FROM GOVERNOR. UNIT CHANGED.Oct 21, 1999 · Bell 206BSDR 99ZZZX4091Governor · malfunctionedSLOW TO RECOVER FROM N2 DROOP.Oct 7, 1999 · N10729 · Bell 206BSDR CA991027045Bearing · damaged(CAN) PT GOVERNOR LEVER BEARINGS ARE DEVELOPING FLAT SPOTS INTERNALLY AND EXTERNALLY WHICH DIRECTLY AFFECTS GOVERNOR SPRING TENSION WHICH IN TURN THEN CAUSES THE GOVERNOR TO BLEED OFF EARLY. THE NET EFFECT IS DROOP.Sep 28, 1999 · Hughes 369DSDR 99ZZZX3805Governor · leakingUNIT HAS SAL SEALS. EXTERIOR OF UNIT IS SOOTY, FITTINGS ARE SLIGHTLY RUSTY. AN AS-RECEIVED TEST WAS PERFORMED WITH THE FOLLOWING RESULTS: AT GOVERNOR BREAK TEST POINT 3.010, PR-PG LEAKAGE WAS AT 7.8 INCHES OF HG WITH NO SPEED APPLIED. PR-PG LEAKAGE IS SUPPSep 18, 1999 · N108FH · Bell 206BSDR CA991007035Governor · failed(CAN) GOVERNOR NOT MAINTAINING ROTOR RPM AND GRADUALLY DEGRADING. UNIT HAD ONLY BEEN INSTALLED FOR 53 HOURS. UNIT REPLACED.Sep 16, 1999 · Hughes 369DSDR CA990927053Governor · worn(CAN) GOVERNOR CIRCLIP EPOXY HAD DETERIORATED TO THE EXTENT THAT THE END DRIVE HAD FALLEN OFF ALLOWING THE CIRCLIP TO MOVE AND AND EVENTUALLY WEAR A GROOVE IN THE SHAFT WHICH ALLOWED THE CIRCLIP TO FALL OFF. AS SUCH, THERE WAS NO LOCKING DEVICE HOLDING THE ESep 10, 1999 · Bell 206BSDR CA991229050Governor · failed(CAN) ENGINE OVERSPEEDS AND RECOVERS VERY SLOWLY.Sep 9, 1999 · Bell 206BSDR 99ZZZX3519Governor · failedAFTER LEFT ENGINE START (NORMAL) AND WARM-UP, THROTTLE LEVER WAS MOVED TO FLIGHT IDLE. ENGINE WENT TO 90 PERCENT TORQUE WITH A ROTOR RPM OF 110 PERCENT. N1 AND N2 SPEEDS WERE ERRATIC. ENGINE SHUT DOWN. PR LINE ISOLATED FROM GOVERNOR TO FUEL CONTROL. FUEL Aug 18, 1999 · N204PC · Bolkms BO105SSDR CA990907032Actuator · malfunctioned(CAN) DURING TAXI, ENGINES WERE NOT IN OPERATING RANGE. FURTHER INVESTIGATION REVEALED THAT GOVERNORS HAD CHANGED FOR UNEXPLAINED REASONS.Aug 5, 1999 · Bolkms BO105CSDR 99ZZZX3295Governor · misoverhauledDURING ROUTINE OVERAHAUL DISASSEMBLY PROCEDURE, FOUND ONE OF THE TWO 'S' WIRES INSTALLED AT EACH END OF THE FLYWEIGHT PIVOT PIN WAS MISSING AND PRESUMED NOT INSTALLED DURING LAST OVERHAUL OR MAJOR MAINTENANCE. THE EVIDENCE OF OPERATION IN THIS CONDITION OVER Aug 5, 1999 · Bell 204BSDR CA990907031Spring · broken(CAN) ENGINE PERFORMANCE ON TAKEOFF WAS ERRATIC. SUBSEQUENT INVESTIGATION REVEALED THAT GOVERNOR LEVER SPRINGS P/N 105-60583-12 WERE BROKEN OFF ON BOTH ENGINES.Jul 16, 1999 · Bolkms BO105CSDR HEEA062779Governor · malfunctionedGOVERNOR CAUSING SURGING ON ENGINE.Jul 12, 1999 · N2298Z · Bell 412SDR 99ZZZX3554Tube · crackedGOVERNOR TUBE CRACKED.Jul 8, 1999 · N920EH · Bell 206L1SDR 99ZZZX2602Governor · malfunctionedGOVERNOR SLOW TO RESPOND. REMOVED AND REPLACED.Jun 25, 1999 · N5027P · Hughes 369DSDR CA990707032Governor · failed(CAN) POWER TURBINE GOVERNOR OVERSPEEDING IN A DESCENT TO 105 PERCENT N2 WITH NO RECOVERY BACK TO 100 PERCENT N2 (MAXIMUM 5 SECONDS ALLOWED TO RECOVER). AT TSO 42.4 HOURS, DEFECT NO OVERSPEED RECOVERY. AT TSO 46.4 HOURS, GOVERNOR TROUBLESHOOTING. AT TSO 64.Jun 22, 1999 · Bell 206BSDR CA990630031Governor · failed(CAN) PT GOVERNOR DROOPS 3 PERCENT TO 5 PERCENT AND OVERSPEEDS 3 PERCENT TO 5 PERCENT. GOVERNOR REPLACED.Jun 14, 1999 · Hughes 369DSDR CA991007047Governor · stiff(CAN) TURBINE GOVERNOR ARM WAS VERY STIFF TO MOVE. ENGINES OVERSPEEDS AND DROOPS EXCESSIVELY. UNIT REPLACED.May 7, 1999 · Bell 206BSDR 99ZZZX2017Linear Actuator · malfunctionedIN-FLIGHT RPM DECREASED TO 99 PERCENT. WHEN GOVERNOR INCREASE BUTTON WAS PUSHED, RPM DECREASED TO 96 PERCENT. PRIOR TO LANDING, RPM DECREASED TO 90 PERCENT.May 5, 1999 · N57441 · Bell 206L1SDR CA990927029Governor · failed(CAN) THE TURBINE GOVERNOR WAS REMOVED FOR N2 OVERSPEED (N2 GREATER THAN 114 PERCENT). THE UNIT WAS SENT TO A REPAIR FACILITY FOR TESTING.Apr 13, 1999 · Bell 206LSDR HEEA061770Governor · malfunctionedAT CRUISE FLIGHT, 80 PERCENT TORQUE, TORQUE OSCILLATES 20 PERCENT, WITH A CORRESPONDING TOT OSCILLATION. REPLACED WITH SERVICEABLE GOVERNOR.Apr 8, 1999 · N5005B · Bell 206L1SDR ERAA061856Governor · misoverhauledGOVERNOR OVERHAULED 11-12-98. ENGINE TORQUE SURGING AT LOW POWER.Mar 23, 1999 · N421EH · Bell 412SDR 99ZZZX1549Governor · malfunctionedGOVERNOR SURGES ABOVE 70 PSI TORQUE. ERRATIC BEEP RANGE. REMOVED AND REPLACED.Mar 22, 1999 · N1097J · Hughes 369D
Back to JASC 7323