JASC 7922

Service difficulty reports · 268

Reports filed under 7922 · Engine Oil Temperature Regulator, 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 = '7922'
  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 AUS20030481Valve · failed(AUS) ENGINE OIL SYSTEM THERMOSTATIC OIL COOLER BYPASS VALVE SHAFT NUTLOCK PIN SHEARED. NUT SEPARATED FROM SHAFT AND WAS FOUND IN THE OIL COOLER FLEX LINE. MAIN BODY CIRCLIP GROOVE SHOULDER FAILED FOR APPROXIMATELY 25 PERCENT OF CONTACT AREA.May 7, 2003 · Piper PA31350SDR MEX2003510Valve · failedFLT 214 - MEX-HMO - UNSCHEDULED LANDING AT BJX DUE TO THE RIGHT ENGINE OIL TEMP INCREASED TO 145 DEGREES CELSIUS DURING 15 MINUTES. AT BJX WHEN THE ENGINE WAS TURNED OFF, THE TEMPERATURE INCREASED UNTIL 165 DEGREES CELSIUS. BOTH GAUGES WERE SWAPPED, AND THE Apr 11, 2003 · N838AM · Doug DC983SDR 2003F00125Vernatherm · maladjustmentOIL TEMP CONTROL VALVE (VERNATHERM) IMPROPERLY ASSEMBLED CREATING CHRONICALLY LOW OIL TEMPERATURES WHICH WERE UNNOTICED IN WARM WEATHER BUT BECAME EVIDENT IN VERY COLD WEATHER. TCM SPEC IS GASKET SURFACE TO BASE OF ADJUSTING NUT TO BE 1.807 +/- .003 INCHES. THMar 6, 2003 · N5565D · Beech 58SDR AUS20021274Nut · loose(AUS) ENGINE OIL TEMPERATURE BYPASS VALVE (VERNATHERM) NUT LOOSE. SUSPECT ROLL PIN NOT FITTED DURING ASSEMBLY.Nov 4, 2002 · Robsin R22BETASDR KBMA115456Motor · inoperativeOIL COOLER MOTOR, INOPERATIVE. REPLACED WITH OVERHAULED UNIT.Aug 29, 2002 · N270SH · Snias AS350BASDR CA020604003Bypass Valve · failed(CAN) AIRCRAFT RETURNED TO GATE. REPORTED NR 2 OIL INDICATION EXCEEDED THE HIGH END. OAT AT AIRPORT WAS SEEN AS 34 DEGREES C. REPLACED THE OIL COOLER BYPASS VALVE. AIRCRAFT RETURNED TO SERVICE.May 31, 2002 · Bombdr DHC8400SDR HEEA079512Indicator · inoperativeTEMPERATURE NEEDLE GOES TO ZERO. REPLACED WITH SERVICEABLE PART.May 28, 2002 · N2149S · Bell 412SDR HEEA079511Indicator · reads highENGINE OIL TEMP READS HIGH.May 28, 2002 · N3893N · Bell 412SDR CA020603005Control Valve · failed(CAN) AFTER TAKEOFF RT OIL TEMPRATURE CLIMBED ABOVE 100 C INTO THE YELLOW ARC. AIRCRAFT RETURNED FOR LANDING. NR 2 ENG OIL TEMP CONTROL VALVE REPLACED.May 24, 2002 · Dhav DHC8102SDR AUS20020460Valve · failed(AUS) RT ENGINE OIL TEMPERATURE VALVE (VERNATHERM) FAILED.May 16, 2002 · Piper PA31350SDR AUS20020280Valve · faulty(AUS) NO3 ENGINE OIL COOLER FUEL SYSTEM VERNATHERM VALVE SUSPECTFAULTY.Mar 26, 2002 · Bac 146100ASDR HNAA0200004Valve · malfunctionedOil temp on number 1 engine clombed to 110 degrees on climb-out, temp stayed in yellow ark for less than 10 minutes. Removed and replaced oil temp regulator valve.Jan 16, 2002 · N924HA · Dhav DHC8102SDR 2002FA0000084Vernatherm · stuckOPERATOR COMPLAINT, HIGH OIL TEMPERATURES, 245 DEGREES F. VERIFIED BY A DECREASE IN OIL PRESSURE. FOUND VALVE DEFECTIVE. REMOVED AND REPLACED VALVE WITH NEW PART. OPS CHECKED GOOD.Jan 8, 2002 · N49CN · Robsin R44SDR AC2A0000301Thermostat · inoperativeTHERMOSTAT, HIGH ENGINE OIL TEMPERATURE IN FLIGHT. REMOVED AND REPLACED THERMOSTAT. CURED PROBLEM.Dec 27, 2001 · N5401G · Skrsky S76SDR 2001FA0000590Nut · missingREMOVED VERNATHERM TO COMPLY WITH MFG SB (CHECK NUT TIGHTNESS). WHEN VALVE REMOVED, THE NUT WAS MISSING. AFTER A THROUGH SEARCH THE NUT WAS FOUND IN THE INBOARD HOSE, OIL COOLER END OF THE COPILOT SIDE OF OIL COOLER (2 OIL COOLER ARE ON THIS INSTALLATION).(Oct 17, 2001 · N59CA · Lakeac 250LAKESDR 2002FA0000083Vernatherm · stuckHIGH OIL TEMPERATURES, AT RED LINE 245 DEGREES, VERIFIED BY DECREASE IN OIL PRESSURE. FOUND VALVE STUCK, NOT EXTENDING. REMOVED AND REPLACED WITH NEW PART. OPS CHECKED GOOD.Oct 16, 2001 · N8353K · Robsin R44SDR HEEA075644Regulator · malfunctionedNOT MARKING PROPERLY.Aug 28, 2001 · Bell 412SDR SABA010039Bypass Valve · failedACFT 957 ON FLIGHT 9475 CLT TO RDU. ON CLIMBOUT NR 1 OIL TEMPERATURE WENT INTO RED. PILOT PULLED POWER BACK TO 60 PERCENT AND TEMP WENT INTO THE YELLOW. NO INFLIGHT EMERGENCY WAS DECLARED. AIRCRAFT RETURNED TO CLT AND LANDED WITH NO OTHER PROBLEMS. MAINTENAug 15, 2001 · N957AE · Bag JETSTM3201SDR HEED072221Thermostat · malfunctionedCAUSING HIGH OIL TEMPERATURE. LOCALLY SCRAPPED. REPLACED UNIT.Mar 15, 2001 · N89H · Skrsky S76CSDR EIA2001013Valve · malfunctionedPANC - FLT 2914 - NR 4 ENGINE OIL TEMP INCREASED TO ORANGE/YELLOW BAND. FOLLOWED PROCEDURES IN ABNORMALS. 10 MIN LATER OIL TEMP INCREASED TO RED ZONE. IFSD NR 4 ENGINE. AFTER SHUT DOWN OIL TEMP SLOWLY BEGAN TO DECREASE TO 55C AT LANDING. REPLACED NR 4 FUEFeb 22, 2001 · N485EV · Boeing 747212BSDR NACA2001007Regulator · leakingSHUT DOWN NR 3 ENGINE DUE TO OIL LOSS. REMOVED AND REPLACED OIL TEMP REGULATOR.Feb 2, 2001 · N2907F · Doug DC6ASDR 20001109SH025Vernatherm · bentRETAINING NUT ROLL PIN TO SECURE THE NUT. THE SHAFT ON WHICH THE NUT IS INSTALLED WAS BENT JUST BEHIND THE NUT. SUBMITTER HAS SEEN SEVERAL NOW WITH THIS CONDITION AND THEY ARE ALL FROM FACTORY REMAINS OR NEW ENGINES FROM RECENT YEARS. THIS ONE REBUILT 2-8-9Oct 17, 2000 · N252DX · Mooney M20KSDR 20001109SH004Vernatherm · brokenTHE VERNATHERM SHAFT WAS BENT AND UPON INVESTIGATION, FOUND BROKEN AT THE ROLL PIN HOLE. ONLY A COUPLE THREADS OF THE SHAFT INTO THE RETAINING NUT WAS HOLDING THE UNIT TOGETHER. ENGINE REBUILT ON 10-17-97. (X)Oct 17, 2000SDR CA000906011Blower Motor · failed(CAN) PART RECEIVED WITH A REMOVAL TAG (SERICEABLE). PART (MOTOR) SHAFT VERY HARD TO TURN, AND DENTS IN CASE MADE ME SUSPECT ON INSTALLATION. MOTOR FAILED WITHIN 3 HOURS OF INSTALLATION. TC: REGIONAL PMI INVESTIGATING FURTHER.Aug 22, 2000 · Snias AS350BSDR HNAA0000038Valve · failedON CLIMBOUT, NR 1 ENGINE OIL TEMP RED LINED AND NR 1 FUEL TEMP FOLLOWED. AIRCRAFT RETURNED TO THE FIELD. REPLACED THE NR 1 OIL TEMP REGULATING VALVE.May 9, 2000 · N936HA · Dhav DHC8102SDR 20010503CW003Valve · failedPILOT REPORTS AFTER TAKEOFF OIL TEMPERATURE RED LINED. MADE SUCCESSFUL LANDING. DRAINED OIL SUMP, INSPECTED OIL AND OIL FILTER FOR METAL. FINDING WAS NORMAL. OIL COOLER AND LINES WERE CHECKED FOR OBSTRUCTIONS AND FLOW. FINDINGS WERE NORMAL. REMOVED VARATMay 8, 2000 · N923DH · Mooney M20JSDR 2000UALA00222Valve · stuckNR 1 ENGINE OIL TEMPERATURE AT 135 TO 140 DEGREES FOR 13 MINUTES. WENT TO 150 DEGREES AT SHUT DOWN. WINDMILLED ENGINE FOR 25 MINUTES. RE-STARTED ENGINE ON FINAL, RAN ENGINE FOR 9 MINUTES AND OIL TEMPERATURE 120 DEGREES. OIL PRESSURE AND QUANTITY GOOD ENTIRApr 29, 2000 · N7455U · Boeing 727222SDR HNAA0000025Regulator · failedAFTER TAKEOFF FROM LYH, NR 1 ENGINE OIL TEMPERATURE INCREASED TO THE BASE OF THE RED LINE. OIL PRESSURE DECREASED TO 56 PSI. AIRCRAFT DIVERTED TO CHO. REPLACED NR 1 ENGINE OIL TEMP REGULATOR.Mar 11, 2000 · N981HA · Dhav DHC8102SDR 20000412SH039Vernatherm · damagedPILOTS REPORTED ENGINE NOT MAKING FULL POWER AND OIL PRESSURE LOW. MAINTENANCE FOUND A PIECE OF CLIP UNDER THE OIL PRESSURE RELIEF VALVE. THE RETAINING CLIP FOR THE VERNATHERM VALVE FOUND TO BE THE SOURCE. FOUR NEW VERNOTHERM VALVES INSTALLED. (X)Feb 23, 2000 · N137JH · Piper PA31350SDR 2000ZZZX635Bypass Valve · damagedLYCOMING SB 518C, DATED 5-2-95, STATES THAT THERMOSTATIC BYPASS VALVES (TBV), P/N 53E19600 WITH S/N/S 53788 AND HIGHER ARE NOT SUBJECT TO THE SB INSPECTION. DURING ENGINE REMOVAL, THE TBV (P/N 53E19600, S/N 56713) RETAINING NUT WAS FOUND SEPARATED FROM THE TBFeb 12, 2000 · N202HF · Piper PA31350SDR 2000ZZZX397Blower Motor · corrodedDURING A 100-HOUR/200-HOUR INSPECTION, DISCOVERED THE OIL COOLER BLOWER MOTOR HOUSING SEVERLY CORRODED. PART WAS REMOVED AND REPLACED. BLOWER MOTOR REMOVED WAS BEYOND ECONOMICAL TO REPAIR. THE MOTOR'S POSITION WHEN INSTALLED ON THE AIRCRAFT IS EXPOSED TO TDec 8, 1999 · N5204X · Snias AS350B2SDR 99ZZZX4390Valve · failedRIGHT ENGINE REPORTED AS HAVING OIL TEMPERATURES NEAR RED LINE IN CRUISE. REPLACED BYPASS VALVE AND TEST FLIGHT SHOWED NORMAL TEMPS. FOUND REMOVED VALVE WAS STUCK IN THE CLOSED POSITION.Nov 15, 1999 · N44AC · Piper PA31350SDR 99ZZZX3563Valve · malfunctionedNEW FACTORY OVERHAULED ENGINE RUNNING HIGH OIL TEMPS, SOMETIMES TO RED LINE. REPLACED VERNATHERM VALVE. OIL TEMPS RETURNED TO NORMAL.Aug 27, 1999 · N199TV · Enstrm 280FSDR RAIA990730Vernitherm · failedSTL - FLT 7061 - LEFT ENGINE OIL TEMP RUNNING HOT. MAINTENANCE REPLACED VERNITHERM FOR OIL COOLER ON RIGHT ENGINE. (X)Jul 25, 1999 · N341TE · Bag JETSTM3201SDR RAIA990726Vernitherm · failedSTL - FLT 7107 - ENGINE OIL TEMPERATURE APPROACHING RED LINE. MAINTENANCE REPLACED VERNITHERM IN OIL COOLER FOR NR 1 ENGINE. (X)Jul 22, 1999 · N341TE · Bag JETSTM3201SDR AU990691Valve · faulty(AUS) ENGINE THERMOSTATIC OIL COOLER BYPASS VALVE (VERNATHERM) CRIMP NUT LOOSE.Jul 15, 1999 · Robsin R22BETASDR RAIA990718Vernitherm · failedSTL - FLT 7442 - COULD NOT MAINTAIN NORMAL POWER SETTINGS WITHOUT EXCEEDING OIL TEMPERATURE ON LEFT ENGINE. MAINTENANCE REPLACED OIL COOLER VERNITHERM ON LEFT ENGINE. (X)Jul 14, 1999 · N341TE · Bag JETSTM3201SDR RAIA990612Vernitherm · failedSTL - FLT 7073 - LEFT ENGINE OIL TEMPERATAURE AT RED LINE. MAINTENANCE REPLACED VERNITHERM FOR LEFT OIL COOLER. (X)Jun 9, 1999 · N435AM · Bag JETSTM3201SDR HEEA062434Thermovalve · malfunctionedENGINE OIL TEMPERATURE OVER 100 DEGREES.May 24, 1999 · N723PH · Bell 407SDR RAIA990525Vernitherm · failedFLT 7215 - STL - LEFT ENGINE OIL TEMP AT RED LINE. MAINTENANCE REPLACED LEFT ENGINE OIL COOLER VERNITHERM. (M)May 18, 1999 · N340TE · Bag JETSTM3201SDR 99ZZZX2186Valve · locknut failureCRIMP NUT FOUND IN OIL COOLER WHEN FLUSHING DURING ENGINE CHANGE. REMOVED THERMOSTATIC BYPASS VALVE ON AFFECTED ENGINE AND FOUND NUT MISSING FROM VALVE. NO OIL TEMPERATURE PROBLEMS REPORTED BEFORE THIS. VALVE S/N IS 54849. LYC SB 518C ADDRESSES THIS PROBLEMay 7, 1999 · N927TA · Piper PA31350SDR RAIA990507Vernatherm · failedFLT 7422 - STL - RIGHT ENGINE OIL TEMP WENT TO 130 DEGREES, SHUT RIGHT ENGINE DOWN. MAINTENANCE REPLACED OIL COOLER VERNATHERM. (M)May 5, 1999 · N422AM · Bag JETSTM3201SDR RAIA990406Vernitherm · failedFLT 7098 - STL - RIGHT OIL TEMP WENT TO 145 DEGREES. MAINTENANCE C/W PROCEDURES IN GARRETT MM FOR GOING ABOVE RED LINE BY PERFORMING SOAP SAMPLE, THEN THEY REPLACED OIL VERNITHERM. (M)Apr 8, 1999 · N341TE · Bag JETSTM3201SDR 99ZZZX2904Thermo Valve · damagedTHERMOSTAT VERY NEAR FAILING WITH POSSIBLE SEVERE ENGINE DAMAGE RESULTING. SEAT RETAINING NUT VERY LOOSE ON STEM. NUT WAS 'JUMPED' 2 THREADS. THIS PART NUMBER AND SERIAL NUMBER SUBJECT TO LYC BULLETIN SIBC AND SI'S 1, 2, AND 3. SUBMITTER STATED THIS INSPECJan 28, 1999SDR 99ZZZX509Valve · failedDURING FLIGHT, OBSERVED HIGH OIL TEMPERATURE OF 230 DEGREES FAHRENHEIT, OAT MINUS 10 DEGREES CELCIUS. CHT NORMAL, OIL PRESSURE NORMAL. AFTER FLIGHT, OIL LEVEL 6-1/2 QUARTS, NORMAL. OIL COOLER APPEARED CLEAN, BUT COLD. REMOVED THERMOSTATIC BYPASS VALVE. CHJan 13, 1999 · N1084B · Mooney M20JSDR AU981633Nut · loose(AUS) ENGINE THERMOSTATIC VALVE (VERNATHERM) WAS REMOVED TO DETERMINE PART NUMBER WAS COMPLIANT WITH AD/LYC/78A5. IT WAS FOUND THAT THE VALVE'S P/N 53E22144 WAS NOT APPLICABLE, BUT THE VALVE STILL FAILED THE INSPECTION CRITERIA - LOOSE RETAINING NUT. NOTE: Dec 15, 1998 · Cessna 172PSDR CA981214003Nut · separated(CAN) ENGINE WAS RECEIVED FOR REPAIR. VERNATHERN VALVE WAS REMOVED FOR CLEANING AND THE NUT WAS FOUND MISSING. THE NUT WAS FOUND IN AN EXTERNAL OIL LINE. NUT WAS CRIMPED AT OVERHAUL IN ACCORDANCE WITH SERVICE BULLETIN NR 518.Dec 7, 1998 · Piper PA31350SDR 98ZZZX4570Vernatherm · failedTHIS PART FROM LOT 503273 DATED 11-2-95, S/N 3743. NOTICED EXCESS SLIVER OF METAL ON SPRING SUPPORT CONE. THIS COULD FALL OFF IN OIL SYSTEM. FOUND BEFORE INSTALLATION.Oct 27, 1998SDR AU981323Valve · failed(AUS) RIGHT ENGINE OIL TEMPERATURE VALVE (VERNATHERM) INOPERATIVE.Oct 7, 1998 · Piper PA31350SDR AU981270Valve · faulty(AUS) RIGHT ENGINE OIL TEMPERATURE REGULATOR VALVE (VERNATHERM) FAULTY. PART TC: 1,198.Oct 7, 1998 · Piper PA31350
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