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.

SDR DFJ2007F00000Governor · malfunctionedPROPELLER STARTED TO SURGE ON RT ENGINE DURING CRUISE FLIGHT CONDITIONS. AC WAS LANDED AND THE PROPELLER GOVERNOR WAS REPLACED WITH AN OVERHAULED GOVERNOR. (K)Apr 9, 2007 · N4264J · Cessna 310RSDR CA070620002Solenoid · inoperative(CAN) DURING A TEST FLIGHT, THE NR 1 PROP WAS FEATHERED TO VERIFY CORRECT FUNCTION OF THE SYSTEM. THE FLIGHT CREW WAS UNABLE TO UNFEATHER THE PROPELLER AND RETURNED TO THE AIRPORT. MAINTENANCE CREWS FUNCTION TESTED THE SYSTEM ON THE GROUND AND THE SYSTEM FUNCMar 22, 2007 · Cndair CL2151A10SDR CA070403003Drive Gear · making metal(CAN) CONSTANT SPEED, SINGLE ACTING PROPELLER GOVERNOR P/N 895490-10 WAS RECEIVED AT MFG WITH REPORTED PROBLEM CUSTOMER RETURNED ON IN TRANSIT B69894 AND IRR NR 5170 STATING PROP GOVERNOR HAS NO RESET PRESSURE AND SHAFT STICKS AND WILL NOT RETURN TO MINIMUM STMar 21, 2007SDR CA070329007Governor · unserviceable(CAN) A GROUND INCIDENT OCCURRED WHERE ONE AC TAXIED INTO ANOTHER. BOTH AIRCRAFT WERE ON STRAIGHT SKIS. AFTER START-UP THE AC MOVED FORWARD FROM ITS PARKING SPOT, THEN WHEN THE PILOT MOVED THE POWER LEVER INTO REVERSE THE NR 2 PROP WENT INTO REVERSE MOMENTARMar 14, 2007 · Dhav DHC6300SDR CA070322005Governor · malfunctioned(CAN) AIRCRAFT DEPARTED FOR DESTINATION, WHEN THE CREW ATTEMPTED TO SET CLIMB POWER, THE RT PROP DROPPED TO 1200 RPM AND THE TORQUE WENT TO 2200 LBS. THE CREW DECLARED AN EMERGENCY AND LANDED UNEVENTLY . MAINTENANCE WENT TO SITE THE FOLLOWING DAY AND CHANGEMar 13, 2007 · Beech 1900DSDR CA070228003Control Arm · defective(CAN) THE SUBJECT AIRCRAFT WAS CLIMBING OUT AFTER TAKEOFF AND EXPERIENCED A SIGNIFICANT LOSS OF CLIMB POWER RELATED TO A DROP IN ENGINE RPM FROM 2700 RPM TO 1600 RPM. THE PILOT EXECUTED ALL APPROPRIATE EMERGENCY PROCEDURES/ACTIONS WITH NO IMPROVEMENT. THE PILFeb 28, 2007 · Cessna U206SDR CA070228002Arm · stiff(CAN) WHEN AIRCRAFT LANDED IT WOULD PULL TO THE LT. MAINTENANCE FOUND THAT THE PROP GOVERNOR ARM WAS STIFF AND WOULD NOT RETURN TO THE STOP. NOTE THIS GOVERNOR HAS SB TPE331-72-0567 RETURN SPRING INCORPORATED ON IT. GOVERNOR WAS REPLACED AND CHECKED SERVICEFeb 21, 2007 · Mtsbsi MU2B60SDR OIK2006F00000Governor · unknownPILOT REPORTED RT ENGINE RPM 2000 FOR TAKEOFF. RETURNED TO GATE REPLACED PROP GOVERNOR GROUND CHECK FOR RPM 2575 WAS OK. AC RETURNED TO SERVICE.Nov 25, 2006 · N27877 · Piper PA31350SDR NSVA200600184Governor · malfunctionedLEFT TORQUE INDICATOR INNACURATE WHEN CHANGING POWER. REMOVED AND REPLACED LEFT PROP GOV PN 8210-410 IAW 61-20-02, OPS CHECK GOOD.Oct 24, 2006 · N124CJ · Beech 1900DSDR CA060929003Screw · broken(CAN) PROP WOULD NOT CHANGE PITCH DURING RUN-UP. GEARBOX WAS REMOVED AND THE SCREW HOLDING THE GOVENOR DRIVE COUPLING TO THE DRIVE GEAR WAS FOUND BROKEN. THE SCREW APPEARED TO HAVE FAILED FROM TORQUE OVERLOAD. THE SCREW, DRIVE COUPLING AND GEAR WERE REPLACED ASep 20, 2006 · Amblp A150SDR CA061018014Governor · malfunctioned(CAN) PROPELLER GOVERNOR FAILED IN FLIGHT CAUSING SEVERE OVERSPEED OF ENGINE. UPON LANDING, THE ENGINE OIL SCREEN WAS FOUND TO BE METAL CONTAMINATED. PROPELLER GOVERNOR WAS REMOVED AND METAL WAS DISCOVERED AT GOVERNOR PAD. NO SCREEN WAS PRESENT BETWEEN GOVERNOSep 15, 2006 · Cessna U206GSDR CA061005011Governor · seized(CAN) THE A/C WAS IN NORMAL FLIGHT AND NOTED AN OVERSPEED CONDITION FROM CRUISE RPM TO FULL POWER. CYCLING THE PROP PITCH CONTROL DID NOTHING; THE PILOT EXECUTED A FORCED LANDING. AME REMOVED THE PROP GOVERNOR AND NOTICED IT WAS SEIZED AND CONTAMINATED. REMOSep 14, 2006 · Cessna U206GSDR 2006FA0000799Governor · failedTHE GOVERNOR FAILED AFTER 772.1 HOURS OF OPERATION. PROPELLER SYNCHRONIZATION FUNCTION IS INOPERATIVE. COMPONENT WAS OVERHAULED ON WO 39914 ON 07/06/2006. (K)Aug 4, 2006SDR 2006FA0000798Governor · failedTHE GOVERNOR FAILED AFTER 106 HOURS OF OPERATION. THIS UNIT WILL NOT PERFORM THE OVERSPEED TEST. COMPONENT WAS OVERHAULED ON WO 39044 ON 5/18/06. (K)Aug 2, 2006SDR CA060804006Idler Gear · worn(CAN) ENGINE PCE-PR0055 WAS SUBMITTED FOR A SCHEDULED FIRST TIME OVERHAUL (TSN 3621.0 HRS). THE PROPELLER GOVERNOR S/N 13313260 (TSN 1583.6 HOURS) WAS DISMANTLED FOR CLEANING BEFORE OVERHAUL INSPECTION. IT WAS DISCOVERED THAT THE IDLER GEAR BUSHING WAS SEVERJul 28, 2006SDR 2006FA0000805Governor · failedBETA VALVE STICKING CAUSING AIRCRAFT TO YAW DURING ENGINE POWER REDUCTION. GOVERNOR FAILED 302.6 HOURS AFTER INSTALLATION. (K)Jun 29, 2006SDR CA060626004Governor · overspeed(CAN) AFTER WATER SCOOP, THE LEFT PROP WENT TO OVERSPEED, PROP WAS CONTROLABLE WITH THROTTLE AND POWER LEVER AT 2800 RPM. ENGINE WAS SHUT DOWN AND SECURED. THE A/C RETURNED FOR MAINTENANCE. THE PROP GOVERNOR WAS REPLACED AND THE A/C RETURNED TO SERVICE.Jun 22, 2006 · Cndair CL2151A10SDR 2006FA0000810Governor · failedPROPELLER GOVERNOR FAILED AFTER 2.5 HOURS OF OPERATION AFTER OVERHAUL. (K)Jun 20, 2006SDR 2006FA0000804Governor · failedBETA VALVE STICKING, CAUSING AIRCRAFT TO YAW DURING ENGINE POWER REDUCTION. GOVERNOR FAILED 171 HOURS AFTER INSTALLATION. (K)Jun 20, 2006SDR 2006FA0000811Governor · out of adjustDURING TEST AFTER INSTALLATION, PROPELLER DROPS TO 1800 RPM. GOVERNOR SET TO INCORRECT LIMIT. (K)Jun 16, 2006SDR 2006FA0000812Governor · failedBETA VALVE STICKING CAUSING AIRCRAFT TO YAW DURING ENGINE POWER REDUCTION. GOVERNOR FAILED 36 HOURS AFTER INSTALLATION. (K)Jun 13, 2006SDR 2006FA0000800Governor · unknownDOCUMENTATION RECEIVED WITH COMPONENT AFTER REPAIR DOES NOT SHOW TIME SINCE OVERHAUL. (K)May 27, 2006SDR 2006FA0000809Governor · mismanufacturedCOMPONENT RECEIVED WITH INCORRECT ARM INSTALLED ON BETA VALVE. ATTACHMENT HOLE FOR LINKAGE WAS TOO SMALL. (K)May 19, 2006SDR 2006FA0000806Governor · failedGOVERNOR WOULD NOT ACTIVATE USING TEST SWITCH ON INSTALLATION AFTER OVERHAUL. (K)May 2, 2006SDR CA060529004Flange · splitFOUND OIL DRIPPING UNDER RIGHT ENGINE AFTER SHUT DOWN, ENGINE CLEANED AND CASE NEGATIVE PRESSURE CHECKED, FOUND SERVICEABLE. ENGINE GROUND RUN/MAX POWER CARRIED OUT. OIL FOUND TO BE LEAKING FROM THE PROP GOVERNOR. PROP GOVERNOR REPLACED WITH SERVICEABLE UNIApr 28, 2006 · Bag JETSTM3212SDR 2006FA0000801Governor · failedBETA VALVE STICKING CAUSING AIRCRAFT TO YAW DURING ENGINE POWER REDUCTION. GOVERNOR FAILED 291 HOURS AFTER INSTALLATION. (K)Apr 13, 2006SDR CA060411001Propeller · malfunctionedON THE TAKEOFF ROLL, THE RT PROPELLER RPM WOULD ONLY GO TO 83% AND NOT BEYOND. THE AIRCRAFT RETURNED TO THE HANGAR WHERE MAINTENANCE FOUND THE RT PROPELLER TO BE AT FAULT. THE PROPELLER WAS REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE. THE PROPELLER HAApr 4, 2006 · Emb EMB110P1SDR 2006FA0000803Governor · failedGOVERNOR WOULD NOT PASS TEST AFTER INSTALLATION. PROPELLER RPM DOES NOT DECREASE TO 1150 RPM WHEN TEST SWITCH ACTIVATED. UNIT WILL ALSO NOT PASS PY SHIFT TEST. (K)Feb 21, 2006SDR 2006FA0000808Governor · failedBETA VALVE STICKING WHEN ENGINE POWER IS REDUCED CAUSING AIRCRAFT TO YAW. GOVERNOR FAILED 222 HOURS OF OPERATION AFTER OVERHAUL. (K)Feb 7, 2006SDR 2006FA0000807Governor · failedGOVERNOR WOULD NOT PASS TEST AFTER INSTALLATION. PROPELLER RPM DOES NOT DECREASE TO 1150 RPM WHEN TEST SWITCH ACTIVATED. (K)Feb 7, 2006SDR 2006FA0000802Fastener · looseCOMPONENT RECEIVED FROM OVERHAUL SHOP WITH HARDWARE LOOSE ON CONNECTOR. (K)Feb 7, 2006SDR CA060209003Governor · damaged(CAN) ENGINE OVERSPEED ON A TOUCH AND GO LANDING AT AIRPORT, ON TAKEOFF. ENGINE WAS REPORTED ROUGH ON THE RETURN FLIGHT. THE INSTRUCTOR AND THE OWNER ONBOARD DECIDED TO DECLARE AN EMERGENCY AND LAND BACK WHERE THE AIRCRAFT IS BASED AT THIS TIME. MAINTENANCE Feb 2, 2006 · Cessna R172KSDR 01242006CSwitch · inoperativeAUTOCOARSEN CAUTION LIGHT ILLUMINATED ON TAKEOFF ROLL. REMOVED AND REPLACED AUTOCOARSEN COMPUTER PN ON/OFF 8542M2, SN ON 538, SN OFF 435 IAW 61-22-05 AND DID NOT FIX IT. ON 01/18/2006 MEGGED OUT WIRING BETWEEN AUTOCOARSEN COMPUTER AND P3 SENSORS, ENGINE TORJan 17, 2006 · N341CJ · Saab 340BSDR CA060129007Governor · faulty(CAN) DURING CRUISE THE PROPELLER SPEED DECREASED. AN UNSCHEDULED LANDING WAS CARRIED OUT WHICH RESULTED IN A PROPELLER STRIKE. SUBSEQUENT INSPECTION REVEALED A FAULTY PROPELLER OVERSPEED GOVERNOR. IAW WILL INVESTIGATE THE EVENT AND ADVISE OF ROOT CAUSE ONCEJan 12, 2006 · Pilats PC12SDR AU510002055Cover · cracked(AUS) PROPELLER GOVERNOR CONTROL HEAD BROKEN AWAY IN AREA LOCATED BELOW THE LEVER RETURN SPRING. LOSS OF APPROXIMATELY 2 QUARTS OF OIL. (CASA NR 510002055)Dec 12, 2005 · Grob G115CSDR AU510001944Governor · faulty(AUS) RT ENGINE PROPELLER GOVERNOR FAULTY. INVESTIGATION CONTINUING. (CASA NR 510001944)Dec 12, 2005 · Cessna 441SDR 2006FA0000062Governor · defectiveENGINE/PROPELLER RPM WAS UNSTABLE AND PROP GOVERNOR HIGH SETTING WOULD DECREASE FROM 100 PERCENT RPM TO 98 PERCENT RPM WITH NO INPUT BY THE PILOT. INSPECTION OF THE PROP GOVERNOR REVEALED THAT THE BUSHING IN THE IDLER GEAR HAD EXCESSIVE WEAR WITH .139 INCH GADec 9, 2005 · N50K · Mtsbsi MU2B25SDR CA051103007Governor · contaminated(CAN) DURING A ROUTINE PHASE 4 INSPECTION, METALLIC POWDER WAS DISCOVERED TRAPPED IN THE ENGINE MAIN OIL FILTER. SOURCE OF CONTAMINATION WAS CONFIRMED TO BE THE PROPELLER GOVERNOR AS SOME NON-METALLIC DEBRIS WAS FOUND IN THE OVERSPEED GOVERNOR GASKET SCREEN. Oct 31, 2005 · Pilats PC1245SDR CA051007007Shaft · sheared(CAN) LT ENGINE LOSS OF FUEL PRESSURE IN FLIGHT. ENGINE SHUTDOWN AND FEATHER COMPLETED. IN CRUISE, ENGINE HAD PARTIAL POWER LOSS. ENGINE WAS FEATHERED AND A/C LANDED SAFELY. TRIED GROUND START, ENGINE WOULD NOT COME OUT OF FEATHER. ENGINEER FOUND FAILED PROP GOct 6, 2005 · Piper PA31350SDR CA050926003Governor · faulty(CAN) DURING CRUISE, THE RT PROPELLER RPM OCCASIONALLY FLUCTUATED 100 RPM WITH NO INPUT FROM THE CREW. THE DEFECT WAS CONFIRMED ON THE GROUND BY MAINTENANCE AND THE PROPELLER GOVERNOR WAS REPLACED.Sep 20, 2005 · Beech 1900CSDR 2005FA0001101Snap Ring · brokenPROP GOVERNOR DRIVE GEAR FOUND BROKEN. FOUND BROKEN SNAP RING. DAMAGED COUPLING. NO METAL IN GOVERNOR. GEAR AND FLY WEIGHTS ROTATED FREELY.Aug 9, 2005 · N3534Y · Piper PA31350SDR LR7A05100Housing · failedFLIGHT CREW REPORTED NR 4 PROPELLER RPM FLUX OUT OF LIMITS IN BOTH NORMAL AND MECHANICAL GOVERNING. SHUTDOWN NR 4 ENGINE AT 1953Z IAW AOM ESP. REPLACED NR. 4 PROPELLER VALVE HOUSING IAW HN61135. OPS AND LEAK CHECK NORMAL IAW HN7101. LP 16472, ITEM 1.Aug 3, 2005 · N405LC · Lkheed 382GSDR AU510001966Governor · faultyLT ENGINE PROPELLER GOVERNOR FAULTY.Jul 10, 2005 · Cessna 441SDR 07042005Governor · malfunctionedLT ENGINE SURGING. REMOVED AND REPLACED PROPELLER GOVERNOR.Jul 4, 2005 · N243CJ · Beech 1900DSDR DAT2005F00006Line · contaminatedDURING FINAL APPROACH AND FINAL CHECKS, THE PROPS FWD THE RT ENGINE STARTED TO SURGE. POWER BROUGHT BACK ON RT ENGINE TO SLOW UP SURGE AND IT STOPPED SURGING MOMENTARILY AND THE GENERATOR AND OIL RT LIGHT ON THE CWP. THE NG`S WERE BELOW 50 PERCENT AND EMERGEJun 15, 2005 · N360RW · Stbros SD360SDR CA050613003Governor · malfunctioned(CAN) ON DESCEND TO A BOMBING RUN RPM AND FUEL FLOW WERE HIGH ON NR 4 ENGINE. THE ENGINE WAS SHUT DOWN AND FEATHERED, THE A/C RETURNED WITH OUT INCEDENT TO HIGH LEVEL A IRPORT. THE PROP GOVENOR WAS AJUSTED ANDTHE A/C WAS RETURED TO SERVICE.Jun 10, 2005 · Lkheed 188CSDR 06092005AGovernor · malfunctionedNOTICED RIGHT YAW WHEN POWER REDUCED DURING LANDING FLARE. REMOVED AND REPLACED PROP GOVERNOR.Jun 9, 2005 · N124CJ · Beech 1900DSDR 70891Connector · dirtyRT PROP WILL ONLY MAKE 1550 UNDER POWER. MAINTENANCE CLEANED OVERSPEED GOVERNOR CONNECTOR PLUG. THEREFORE NO PARTS WERE USED.May 18, 2005 · N163YV · Beech 1900DSDR RAIA00505006Governor · malfunctionedFLT 3680 - RIC - LEFT ENGINE LOW TORQUE. MAINTENANCE REMOVED AND REPLACED NR 2 PROP GOVERNOR.May 9, 2005 · N568HK · Jetair JETSTM4101SDR 2005FA0000783Retainer · damaged(22209) FLYWEIGHT RETAINING DISC DAMAGED. (K)Apr 21, 2005
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