JASC 7311

Service difficulty reports · 226

Reports filed under 7311 · Engine Fuel/Oil Cooler, 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 = '7311'
  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 CA970815003Oil Cooler · leaking(CAN) OIL COOLER LEAKING. OIL COOLER REPLACED.Aug 7, 1997 · Dhav DHC8311SDR AU971615Fuel Heater · cracked(AUS) LH ENGINE FUEL/OIL HEAT EXCHANGER CRACKED AND LEAKING AT FORWARD END HEADER. CRACK LENGTH 25.4MM (1IN).Aug 1, 1997SDR 97ZZZX3352Exchanger · crackedON TAKEOFF, ENGINE LOST OIL PRESSURE. ENGINE SHUT DOWN AND NORMAL LANDING MADE. PROBLEM FOUND TO BE ONE LONG CRACK AT WELD ON SIDE OF HEAT EXCHANGER. SUSPECT FATIGUE OR AGE.Jul 6, 1997 · N642JL · Beech 300BEECHSDR CA970807042Blower · unserviceable(CAN) VIBRATION FROM OIL COOLER BLOWER COULD BE FELT IN THE AIRFRAME AND PILOTS PEDALS. ACCELEROMETER TEST SHOWED HIGH FREQUENCY VIBRATION.Jul 2, 1997 · Hughes 369DSDR CA970514009Fuel Oil Cooler · faulty(CAN) JUST AFTER TAKEOFF THE #2 ENGINE OIL PRESSURE BEGAN TO FLUCTUATE AND LATER IN THE FLIGHT WHEN THE OIL PRESSURE DROPPED BELOW 41 PSI THERE WAS A COCKPIT WARNING. THE #2 ENGINE WAS SHUTDOWN. THE FUEL/ OIL COOLER WAS REPLACED.Mar 12, 1997SDR CA970311080Cooler · corrosion(CAN) PRIOR TO INSTALLATION, THE INSPECTION REVEALED CORROSION AT BOTH THE INLET AND OUTLET PORTS, AS WELL AS A SUBSTANTIAL AMOUNT ON THE BYPASS VALVE.Jan 15, 1997 · Bell 206BSDR HEEA968807Heat Exchanger · weld leaksHEAT EXCHANGER LEAKS AT WELD ALONG OUTER B-NUTLINE.Dec 30, 1996 · N2743E · Skrsky S76ASDR CA970114009Oil Cooler · cracked core(CAN) AIRCRAFT DEPARTED RAMP WHEN PILOT RECEIVED A LOW OIL PRESSURE WARNING FROM THE #1 ENGINE. AIRCRAFT RETURNED TO RAMP. INSPECTION FOUND THE OIL COOLER HAD FAILED RESULTING IN LOST OF OIL AND SUBSEQUENT LOW OIL PRESSURE WARNING.Dec 30, 1996 · Braero HS7482ASDR 98ZZZX4450Oil Cooler · crackedDURING A ROUTINE INSPECTION, THE OIL COOLER WAS FOUND CRACKED AT A WELD ON ONE OF ITS SUPPORT STRUTS. SUBMITTER SUGGESTED CAUSE AS DEFECTIVE PARTS AND/OR RE-MANUFACTURE PROCESS FROM THE FACTORY.Dec 4, 1996 · N952CC · Cessna 182PSDR DHL96703004Oilcooler Tube · pulled looseLOST OIL PRESSURE INDICATION ON NR 1 ENGINE FOLLOWED BY QUANTITY DECREASING. ENGINE WINDMILLED FOR 13 TO 14 MINUTES, NO PRESSURE INDICATED. FOUND OIL COOLER IN TUBE ASSY PULLED OUT OF GEARBOX. INSTALLED HELICOILS IN GEARBOX AND INSTALLED LINE, NO LEAKS NOTEOct 30, 1996 · N703DH · Boeing 72730CSDR 96UAL900729Fuel Oil Cooler · leakingUPON ARRIVAL, FOUND FUEL RUNNING OUT OF BOTTOM OF COWLING ON NR 1 ENGINE. MOTORED ENGINE AND FOUND FUEL/OIL COOLER LEAKING FUEL OUT FORWARD VENT HOLE. *S/D* A SEAL FAILED WITHIN THE FUEL/OIL COOLER, CAUSING THE FUEL TO LEAK OUT OF THE FUEL/OIL COOLER FORWASep 21, 1996 · N7459U · Boeing 727222SDR CA960923011Connector · cracked(CAN) ON APPROACH #2 ENGINE FLAMED OUT. DURING CRUISE PORTION OF THE FLIGHT AN INITIAL 15 PERCENT DROP IN EPR WAS OBSERVED, NO OTHER ENGINE PARAMETERS WERE AFFECTED. THE DROP IN RPM INCREASED TO APPROXIMATELY 50 PERCENT PRIOR TO FLAME OUT. POST FLIGHT INSPECTISep 16, 1996 · Boeing 727212SDR CA970311011Oil Cooler · dirty(CAN) DUST CAPS WERE MISSING WHEN RECEIVED FROM OVERHAUL CONTRACTOR. MUCH DUST EJECTED FROM COOLER WHEN COMPRESSED AIR BLOWN THROUGH.Sep 13, 1996 · Snias AS350BSDR USAASB96170Heat Exchanger · malfunctionedIND - FL 247 - FLIGHT DIVERTED TO IND DUE TO HIGH OIL TEMPERATURE READING ON THE NR 1 ENGINE. THE OIL TEMP WENT TO 140 DEGREES CELCIUS, THEN INTO RED BAND AND BACK TO YELLOW. WHEN THROTTLE WAS RETARDED, TEMP WAS IN THE HIGH GREEN BAND. NO EMERG WAS DECLARED Aug 25, 1996 · N376US · Boeing 7373B7SDR CA960925006Valve · sticking(CAN) ON CLIMB #1 ENGINE OIL TEMPERATURE INCREASED TO 126 DEGREES CELSIUS. BY INCREASING POWER TO MAX CONTINUOUS IT CAME TO 120 DEGREES CELSIUS. DURING DESCENT FUEL FLOW AT 7500 PPH TEMPERATURE REMAINED AT 120 DEGREES CELSIUS. OIL TEMPERATURE BULB AND PLUG CHEAug 22, 1996 · Boeing 737275SDR 96UAL900621Fuel Oil Cooler · failedNUMBER TWO ENGINE OIL TEMPERATURE IN YELLOW BAND ON CLIMBOUT. RETURNED TO ORD. *S/D* REPLACED FUEL/OIL COOLER, ENGINE CHECKED OK ON RUN-UP.Aug 12, 1996 · N9010U · Boeing 737222SDR CA960828008Fuel Oil Cooler · internal leak(CAN) AFTER 30 MINUTES OF LEVEL FLIGHT A LOW OIL PRESSURE LIGHT ILLUMINATED ON #2 ENGINE, FOLLOWED BY A PRESSURE DROP TO ZERO. THE ENGINE WAS SHUTDOWN AND THE AIRCRAFT DIVERTED. POST FLIGHT INSPECTION SHOWED THE OIL SYSTEM WAS CONTAMINATED WITH FUEL. THE CAUSEAug 6, 1996SDR CA960828006Fuel Oil Cooler · failed(CAN) TWO MINUTES AFTER TAKEOFF #2 ENGINE OIL PRESSURE FLUCTUATIONS AND LOW OIL PRESSURE WAS EXPERIENCED. POWER WAS REDUCED AND OIL PRESSURE RECOVERED. TWO ATTEMPTS TO INCREASE POWER CONFIRMED THAT OIL PRESSURE OCCURRED ONLY AT HIGH POWER SETTINGS. POWER WAS RJul 17, 1996SDR USAASB96083Oil Cooler · failedFLT NR 2316 - RIC - NR 1 ENGINE OIL TEMP REMAINED IN YELLOW ARC FOR MAX 15 MIN RESTRICTION. PRECAUTIONARY ENGINE SHUTDOWN COMPLETED. MAINTENANCE REPLACED LEFT ENGINE FUEL/OIL EXCHANGER. OPS AND LEAK CHECK OK. (M)May 10, 1996 · N262AU · Boeing 737201SDR COMA9610071Heat Exchanger · leakingLEFT ENGINE LEAKING FUEL. REPLACED THE FUEL TO OIL HEAT EXCHANGER.Feb 7, 1996 · N267CA · Emb EMB120RTSDR CA951215003Heat Exchanger · failed(CAN)#1 ENGINE FUEL TEMPERATURE NEARING MAXIMUM. FUEL OIL EXCHANGER REPLACED.Dec 13, 1995 · Dhav DHC8102SDR CA951211002Heat Exchanger · failed(CAN)#2 ENGINE FUEL TEMPERATURE TOO HIGH. FUEL TEMPERATURE PROBE REPLACED. STILL NO GOOD. OIL FUEL HEAT EXCHANGER REPLACED.Dec 8, 1995 · Dhav DHC8102SDR CA960103014Oil Cooler · contaminated(CAN)IN CLIMB, A LEVEL 3 WARNING WAS RECEIVED, THE ENGINE OIL PRESSURE LIGHT ILLUMINATED AND OIL PRESSURE INDICATED BELOW 40 PSI. THE PILOT SHUT DOWN THE ENGINE AND THE AIRCRAFT RETURNED TO ITS POINT OF DE PARTURE. POST FLIGHT INSPECTION REVEALED CONTAMINATED Oct 28, 1995SDR 9510491144Fuel/Oil Cooler · leakingDURING CRUISE, STRONG SMELL AND SOME SMOKE AND FUMES WERE PRESENT IN THE CABIN. RETURNED TO MSP. REPLACED THE NR 2 ENGINE FUEL/OIL COOLER AND AIR CONDITIONING SOCKS.Jul 8, 1995 · N144JC · Doug DC1040SDR COM11914Fuel Heater · leakingRT ENGINE IS LEAKING FUEL. REPLACED THE ENGINE FUEL HEATER.Jun 11, 1995 · N137H · Emb EMB120RTSDR AWXA9500072Oil Cooler · inoperativePHX-JFK - FLT 294 - AIR TURNBACK DURING TAKEOFF, CABIN AND COCKPIT HAD A STRONG OIL SMELL WITH SMOKE IN CABIN. THE NR 1 ENGINE WAS REDUCED TO IDLE FOR LANDING. THE NR 1 ENGINE OIL TEMP ROSE TO 174 DEGREES FOR 5 TO 8 SECONDS. ON GROUND THE NR 1 ENGINE OIL PRFeb 1, 1995 · N909AW · Boeing 7572G7
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