JASC 6122
Service difficulty reports · 708
Reports filed under 6122 · Propeller 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 = '6122' 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.
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 = '6122' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR 2017FA0000501Governor · faultyPILOT REPORTED ENGINE RPM WENT FROM 2500 DOWN TO 1700 IN CRUISE FLIGHT. ENGINE CONTINUED TO OPERATE SMOOTHLY AND PRODUCED POWER. PILOT RETURNED TO THE AIRPORT UNDER POWER AND MADE A NORMAL LANDING. VISUAL INSPECTION APPEARED NORMAL BUT DURING THE STATIC ENGINESDR NI6R201707220042Governor · faultedON TAKE OFF ROLL, CAPTAIN SAW THE RT RADIAL ENGINE RPM INDICATING HIGH. ATTEMPTED TO MANUALLY TOGGLE THE PROPELLER TO DECREASE THE ENGINE RPM. WHEN NO RPM DROP OCCURRED, ELECTED TO ABORT THE TAKE OFF. AS THE CREW HELD REVERSE PROPPELLER LONGER THAN NORMAL WSDR UOIA201703070001Shaft · brokenRIGHT PROPELLER GOES TO FEATHER CONDITION. PROPELLER GOVERNOR SHAFT BROKEN.SDR LR7A2017063001173Housing · failedDURING SCHEDULED FLIGHT, THE NR 3 ENGINE FLAMED OUT ON SHORT FINAL. REPLACED THE VALVE HOUSING IAW CARD HN61135.SDR JIKA2017062701Governor · leakingTHE AIRCRAFT WAS IN CRUISE FLIGHT WHEN THE FLIGHT CREW REPORTED THAT THERE WAS A SMALL AMOUNT OF OIL LEAKING EXTERNALLY FROM THE RT COWLING BEHIND THE PROPELLER. NOTIFIED ATC AND RECEIVED A DIRECTIVE TO PROCEED STRAIGHT TO KABQ. THE RIGHT OIL PRESSURE BEGAN TOSDR EPUA20170421001Drive Shaft · shearedENGINE RPM DROPPED FROM 2200 TO 1900 DURING CRUISE. UNABLE TO CONTROL RPM ON LEFT ENGINE AFTER RPM DROP. PROP FEATHERED ON GROUND WHEN SHUTTING DOWN ENGINE. MAINTENANCE DISCOVERED THE NUMBER ONE ENGINE PROP GOVERNOR HAD SHEARED THE DRIVE SHAFT FOR THE PROP SDR PNSA2017040101Switch · dirtyAUTO COARSEN LIGHT ON CWP ILLUMINATED DURING THE TAKE OFF ROLL. FOUND P3 SWITCHES DIRTY. CLEANED THE SWITCHES AND OPS CHECKED GOOD.SDR 2017FA0000088Governor · malfunctionedPILOT STATED THAT DURIUNG DESCENT, THE ENGINE ROLLED BACK TO 1500 RPM, DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. THE PROPELLER GOVERNOR WAS REPLACED AND NO FURTHER DEFECTS WERE NOTED.SDR QXEA2017012300019Governor · malfunctionedNR 2 PROPELLER NOT COMPLETELY FEATHERING ON SHUTDOWN. CHECKED CDS. NO FAULT CODES PRESENT. REMOVED AND REPLACED NR 2 PROP OSG IAW AMM TASK 61-20-26-000-801 AND 400-801. OSG TEST GOOD. LEAK CHECK C/W. NO LEAKS FOUND. RETURNED TO SERVICE.SDR 2016F00235Governor · malfunctionedUPON CLIMBING THROUGH APPROXIMATELY 2500 FEET MSL IN A CLIMBING LEFT TURN DIRECT LAX VOR THE ENGINE NP CAST ILLUMINATED. IMMEDIATELY CALLED FOR THE QRH. MEANWHILE OBSERVED ENGINE NP IN EIS WINDOW RAPIDLY DECREASING ( INITIALLY 1650 THEN AS LOW AS 1300 RPM). DESDR K2ZA201611300001Governor · failedPROPELLER GOVERNOR HIGH RPM LIMIT FAILED CAUSING ENGINE OVERSPEED SYSTEM TO RETARD THE ENGINE POWER. PILOT SHUT DOWN ENGINE AS A PRECAUTION AND PERFORMED A NORMAL LANDING AT THE INTENDED DESTINATION.SDR JIKA201609060001Governor · leakingTHE PILOT WAS EN-ROUTE AND WAS ACQUIRING TEND MONITORING DATA AND NOTICED THAT THE RT ENGINE HAD EXCESSIVELY HIGH OIL TEMPERATURE. THE PILOT FOLLOWED THE ABNORMAL PROCEDURES CHECKLIST AND PERFORMED AN IN-FLIGHT SHUTDOWN OF THE RT ENGINE. HE RETURNED TO DEPARSDR AXSA2016080800001Governor · bypassingON FLIGHT, CALLED FLIGHT CONTROL VIA UNICOM AT 1140Z TO TELL US HE WAS TAXING BACK TO RAMP. WHILE INCREASING POWER FOR TAKEOFF, PROP WENT INTO FEATHER.SDR 2016FA0000312Governor · failedGOVERNOR WAS BENCH CHECKED AND FOUND NOT TO BE ACHIEVING RPM ABOVE 1600. PRESSURE RELIEF WAS LOW. CUSTOMER REQUEST O/H OF THE GOVERNOR; AT THIS POINT, THE GOVERNOR WAS DISASSEMBLED AND FOUND TO HAVE INTERNAL DAMAGE OF THE PUMP CAVITY. DAMAGE FROM AN UNKNOWNSDR Q9UA2016062303Governor · slowNR 1 PROPELLER GOVERNOR WAS SLOW TO RESPOND WITH TOGGLE SWITCH, AFTER TAKEOFF.SDR CA160202009Csu · failed(CAN) CSU (PROPELLER GOVERNOR) ALLOWING PROPELLER RPM TO CHANGE WITH TORQUE CHANGES, AS POWER WAS ADVANCED OR RETARDED THE PROP RPM WOULD RISE OR FALL BY UP TO 75 RPM PRIOR TO THE GOVERNOR CATCHING IT AND GOVERNING RPM. CSU WAS REPLACED WITH A SERVICEABLE UNITSDR HDNA20160123089Governor · fluctuatesON THE INITIAL LEG, FOR PATIENT PICK UP THE PLANE PERFORMED FLAWLESSLY. ON THE DEPARTURE & CLIMB TO CRUISE WITH PATIENT ONBOARD THE ACFT PERFORMED FLAWLESSLY. DURING CRUISE EN-ROUTE AT FL180 & APPROX 50 MILES NE OF THE AREA THE NP RPM, PROP RPM, BEGAN TO BEHSDR CA160120012Governor · faulted(CAN) DURING CRUISE, WITH THE POWER SETTING ABOVE 80 PERCENT, THE PILOT REPORTED 5 PERCENT TO 15 PERCENT TORQUE FLUCTUATIONS, WITH ASSOCIATED TEMP VARIATIONS, UNSPECIFIED VALUE. HE ELECTED TO DIVERT. TROUBLESHOOTING IDENTIFIED A POSSIBLE FAULTY PROPELLER GOVSDR CA160120001Governor · faulty(CAN) DURING CRUISE, WITH THE POWER SETTING ABOVE 80 PERCENT, THE PILOT REPORTED 5 PERCENT TO 15 PERCENT TORQUE FLUCTUATIONS, WITH ASSOCIATED TEMPERATURE VARIATIONS, UNSPECIFIED VALUE. ELECTED TO DIVERT TO AN ALTERNATE AIRPORT WHERE TROUBLESHOOTING IDENTIFIEDSDR CA151203004Governor · malfunctioned(CAN) THE PROPELLER WOULD FLUCTUATE +/- 400 FT/LBS IN TORQUE DURING CLIMB AND DESCENT. ORIGINALLY THE BETA CABLE CLEVIS AND JAM NUT WERE ADJUSTED AND BETA ARM AND BLOCK REPLACED. WHEN THE EVENT REOCCURRED THE PROP GOVERNOR WAS REPLACED WITH NO RECURRENCE SINCSDR CA151030019Pin · sheared(CAN) GOVERNOR CONTROL ARM STOP PIN SHEARED OFF.SDR P97R2015FA0000500Bearing · abnormalPROP GOVERNOR WAS SENT IN TO COMPLY WITH SB 83344-61-002 FOR REPLACEMENT OF BEARING. UNIT WAS O/H IN MARCH 31, 2015 AND THE CUSTOMER REPORTED ZERO HOURS SINCE O/H. THE PLUNGER, PN 3534-046 AND THE BEARING/RACE, PN 1415-336 HAD A BLACK/BLUE DISCOLORATION THATSDR CA151026005Pin · broken(CAN) STOP PIN WAS NOTICED MISSING. THE PIN HAD BROKEN OFF FLUSH OF THE PROP GOVERNOR CONTROL LEVER ASSY. THE PILOT FIRST NOTICED AND REPORTED THAT THE ENGINE RPM WAS REACHING AND EXCEEDING THE RED LINE. THE STOP PIN ALLOWS THE CONTROL LEVER ASSY TO CONTACT SDR P9KA2015103001Governor · leakingPILOT REPORTED ENG OIL DOWN BELLY OF ACFT. FIRST TROUBLESHOOTING WAS TIGHTENING AN OIL FLEX HOSE THAT WAS SLIGHTLY LOOSE, NO CHANGE. FURTHER INSPECTION REVEALED OIL LEAKING AT BASE OF PROPELLER GOVERNOR. GOVERNOR WAS REMOVED & GOVERNOR BASE GASKET CHANGED, SDR P9KA2015120803Governor · intermittentDURING A PREFLIGHT RUN UP, THE GOVERNOR WOULD NOT CYCLE THE PROPELLER EVEN WHEN LT IN THE LOW RPM POSITION FOR 10+ SECONDS. THE PROPELLER GOVERNOR WAS REPLACED WITH SERVICEABLE & OPERATIONS WERE NORMAL. THE GOVERNOR ONLY HAD 29.5 HOURS SINCE OVERHAUL & THE RSDR HYIA20151002001Governor · defectivePILOT REPORTED RT PROPELLER OVERSPEED INDICATION ON CLIMB OUT, THEN DIFFICULTY CONTROLLING THE PROPELLER AT A STEADY RPM AFTER THAT POINT. R & R THE RT ENG PROPELLER GOVERNOR, OPERATIONAL & LEAK CHECKED GOOD WITH NO FURTHER DEFECTS AT THAT TIME.SDR 17GR159B092401Governor · failedAFTER ROTATION PROPELLER WENT INTO FEATHER AND ENGINE SHUT DOWN WITHOUT ACTION ON THE PART OF THE PILOT. GOVERNOR WAS FOUND TO BE BEYOND ECONOMICAL REPAIR. PROPELLER AND GOVERNOR O/H 1006.8 PRIOR TO THIS EVENT. PILOT WAS BALE TO CONTINUE CLIMB ON 1 ENGINE AND SDR HYIA20150903002Governor · defectivePILOT REPORTED LT ENG PROP FEATHERS BEFORE DETENT. LUBRICATED THE PROP GOVERNOR CABLE, R & R LT ENG PROP GOVERNOR. OPERATIONAL & LEAK CHECK GOOD.SDR CA150814005Thrust Bearing · damaged(CAN) DURING PRODUCTION ACCEPTANCE TESTING, THE THRUST BEARING, 1415-336 WAS FOUND TO EXHIBIT EXCESSIVE WEAR AFTER 1.5 HR TEST PERIOD. THIS BEARING IS USED IN CONTROLLING THE SPEED IN THE OPERATION OF THE CSSA GOVERNOR, CONSTANT SPEED SINGLE ACTING, CSSA, PROSDR EY2R201507090001Retainer · crackedFLYWEIGHT RETAINING DISC FOUND CRACKED DURING MPI. CRACK INDICATION WAS FOUND WHILE PROPELLER GOVERNOR WAS SENT IN FOR OVERHAUL.SDR CA150629003Governor · damaged(CAN) LOSS OF PROPELLING FORCE WAS OBSERVED DURING FINAL STAGE OF LANDING & AN ACFT GEN CAUTION LIGHT COME ON SHORTLY AFTER. ON SHUTDOWN, THE PROP DIDN’T FEATHER COMPLETELY & WHEN THE CREW STARTED UP AGAIN, THE PROP WOULD NOT GO INTO FINE PITCH. RGB OVER SPEESDR CA150623008Governor · damaged(CAN) DURING TAXI AFTER LANDING, THE NR 2 PROP MOVED TOWARD COARSE PITCH. THIS WAS DETECTED BY THE AC GEN CAUTION DUE TO UNDER SPEED. THE PROPELLER REMAINED PARTIALLY FEATHERED AT SHUTDOWN & WOULD NOT UNFEATHER AFTER START. EXAMINATION OF THE OVER SPEED GOVSDR 8EKA20150630001Governor · sticksPROP GOVERNOR STUCK IN FLIGHT. ACFT RETURNED TO BASE. GOVERNOR FOUND TO BE STICKY.SDR QXEA2015042300218Governor · malfunctionedNR 2 PROPELLER WOULD NOT COME OUT OF FEATHER AFTER ENGINE START. NR 2 CONDITION LEVER WAS OPERATED TWICE, THEN PROPELLER OPERATED NORMALLY. NO FAULTS FOUND IN CDS. PROPELLER FAILED TIME TO UNFEATHER IAW AMM TASK 61-20-00-720-801. REPLACED THE NR 2 OVERSPEESDR QXEA2015042200220Governor · malfunctionedPROPELLER RPM ON NR 2 ENGINE IN THE 1020 SETTING FLUCTUATE BETWEEN 1020 AND 1000 RPM. FOUND FAULT CODE 158 IN CDS. AS A PRECUATION REPLACED THE NR 2 OVERSPEED GOVERNOR. FAULT CODE DID NOT RETURN. RETURNED TO SERVICE.SDR CA150323009Idler Gear · damaged(CAN) DURING O/H OF 2 PROPELLER GOVERNORS THE IDLER GEAR, P/N 5337-050, WAS FOUND WITH THE BUSHING INSERT MISSING. THESE 2 PROPELLER GOVERNORS WERE RECEIVED WITH BEARINGS INSTALLED IN THE PLACE OF THE BUSHING, HOWEVER WERE INADVERTENTLY DISCARDED AT DISMANTLESDR HYIA20150320003Governor · defectivePILOT REPORTED LT PROPELLER SPEED ERRATIC & DIFFICULT TO CONTROL. PERFORMED A RUN UP & PROP RIGGING FOR FULL POWER, CLIMB POWER RPM CHECK. THE REPLACED & OPERATIONALLY CHECKED THE PROP GOVERNOR WITH NO FURTHER DEFECTS NOTED.SDR QXEA2015030100106Governor · malfunctionedNR 2 ENGINE TAKES LONGER THAN NORMAL TIME TO COME OUT OF FEATHER WITH POWER LEVERS AT FLIGHT IDLE. IAW MAINTENANCE REQUEST, R & R NR 2 OSG AS PRECAUTIONARY MEASURE WITH NEW FROM STOCK IAW AMM 61-20-26-400-801 AND 61-20-26-000-801. OPS CHECK GOOD. DURING INSTALSDR 2015FA0000038Fitting · looseAIRCRAFT LOST OIL PRESSURE DURING DECENT WHICH CAUSED AN ENGINE FAILURE. THE PROP GOVENOR OIL SUPPLY LINE FITTING WAS LOOSE ALLOWING HIGH PRESSURE OIL TO ESCAPE. THIS CAUSED OIL STARVATION AND CONNECTING ROD FAILURE. THIS CAUSED ENGINE FAILURE AND AN EMERGESDR CA150113024Governor · malfunctioned(CAN) AFTER TAKEOFF THE PILOT NOTED THAT PROP RPM HAD DROPPED FROM 1900 TO 1790, HE RETURNED TO BASE IMMEDIATELY. AFTER NUMEROUS GROUND RUNS THE OVERSPEED GOVERNOR WAS NOTED TO BE GOING INTO TEST POSITION WHEN NOT COMMANDED TO, THIS WAS INTERMITTENT. THE OVERSDR HYIA20141224001Governor · defectiveON CLIMB OUT RT PROP INCREASED RPM BEYOND THE RED, BY ITSELF, HAD NO CONTROL OF RT PROP. ALSO RT PROP WOULD NOT FEATHER. PERFORMED AN AIR RETURN & LANDED WITH NO FURTHER INCIDENT. INSPECTED THE RT PROP CONTROL, REPOSITIONED PROP GOVERNOR CABLE. R & R PROP SDR EY2R115845Fitting · brokenFLYWEIGHT PIN, RETENTION FITTING BROKEN.SDR RU3A20141215044Governor · failedINSIDE OF 100FT, NOTICED THE LT PROP PITCH LIGHT ILLUMINATED. AT 50 FEET THE THROTTLES WERE RETARDED TO IDLE & THE ACFT EXPERIENCED AN ABRUPT SLOW DOWN & PROP NOISE INCREASED. THE AIRSPEED INSTANTLY DROPPED OFF & THE FIRST OFFICER ATTEMPTED TO ARREST THE ENSSDR CA141223007Governor · failed(CAN) CREW DETERMINED PROPELLER CONTROLS NOT FUNCTIONING. IAW JLB ENTRY RT PROPELLER LOSS OF RPM. ENGINE SHUTDOWN PERFORMED IAW CHECKLIST. LANDED AIRCRAFT SAFELY. PROPELLER GOVERNOR REPLACED, AIRCRAFT RETURNED TO SERVICE WITHOUT FURTHER INCIDENT.SDR CA141117006Transducer · failed(CAN) TORQUE READING STUCK AT 130 PSI. 2 MINUTES AFTER TAKEOFF, DURING CLIMB, PILOT REPORTED DOUBLE TORQUE GAUGE FAILURE. TORQUE READING WAS STUCK AT 130 PSI. PILOT RETURNED TO BASE AND LANDED SAFELY. TORQUE PRESSURE TRANSDUCER, PN: APTE-548-2250-70D, WAS SDR QXEA2014101300841Governor · malfunctionedNR 1 PROPELLER WILL NOT UNFEATHER AFTER START. REPLACED THE NR 1 OVERSPEED GOVERNOR IAW AMM 61-20-26-000-801 AND 61-20-26-400-801. OPS CHECKED GOOD. RETURNED TO SERVICE.SDR 29GA2014101300001Governor · malfunctionedON SHORT FINAL NR 2 ENGINE AUTOFEATHERED MULTIPLE TIMES, AND CAME BACK TO NORMAL OPERATING. REPLACED OVERSPEED GOVERNOR OPS AND LEAK CHECK GOOD.SDR SBAA2014101000004Governor · defectiveAFTER LANDING, DURING TAXI PILOT PULLED POWER CONTROL AFT INTO BETA RANGE TO SLOW HIS TAXI SPEED. WHEN BRINGING POWER CONTROL BACK FWD INTO FWD POWER RANGE PILOT NOTED AN ABNORMAL AMOUNT OF FORCE REQUIRED TO COME FWD OVER BETA REVERSE GATE. THIS WAS ATTEMPTESDR 29GA2014100600001Pressure Switch · intermittentDURING SHORT FINAL, NR 2 PROPELLER AUTOFEATHERED. REPLACED LT HIGH PRESSURE AUTOFEATHER SWITCH. OPS CHECKED GOOD.SDR Q9U201410170001Governor · failedPROPELLER GOVERNOR WOULD NOT DECREASE BELOW 2500 RPM. AFTER REACHING CRUISE ALTITUDE, CREW WAS UNABLE TO DECREASE THE ENGINE RPM BELOW 2500. SHORTLY THEREAFTER THE RPM BEGAN TO GRADUALLY INCREASE ON ITS OWN. ENGINE WAS FEATHERED TO PREVENT PROPELLER OVERSPE
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