JASC 7921

Service difficulty reports · 982

Reports filed under 7921 · Engine 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 = '7921'
  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 20000502AP017Cooler · crackedMECHANICS NOTICED OIL LEAKING FROM NR 1 ENGINE LOWER CHIN COWLING. REMOVED COWLING AND FOUND OIL COOLER LEAKING AT EDGE WELD. REPLACED OIL COOLER WITH 0 TSN UNIT. SERVICED OIL RESERVOIR WITH 2 QUARTS. THIS IS THE SECOND OIL COOLER TO FAIL ON THIS AIRCRAFTSApr 3, 1999 · N5632C · Beech 1900CSDR 20000505AP027Cooler · crackedTWENTY MINUTES SOUTH OF BARROW, AK, LOST OIL PRESSURE ON NR 1 ENGINE AND LOW OIL PRESSURE LIGHT CAME ON. ENGINE SECURED AND AN UNEVENTFUL LANDING WAS EXECUTED. VERIFIED LOW OIL LEVEL. VERIFIED CRACKED OIL COOLER. REPLACED OIL COOLER AND COMPLIED WITH OIL FMar 29, 1999 · N5632C · Beech 1900CSDR UF6A990316Oil Cooler · failedCAK - FLT 5709 - NR 2 ENGINE LOW OIL PRESSURE CWP WARNING AFTER TAKEOFF. SHUT NR 2 ENGINE DOWN. MAINTENANCE REMOVED AND REPLACED THE FUEL COOLED OIL COOLER. POWER ASSURANCE RUNS WERE PERFORMED AND ALL SYSTEMS CHECKED GOOD. (X)Mar 25, 1999 · N854AW · Bag ATPSDR HEEA061174Blower · inoperativeBLOWER INOPERATIVE AND BROKEN.Mar 19, 1999 · N6095S · Snias AS350B2SDR 99ZZZX1473Valve · brokenDURING TAKEOFF, ENGINE OIL PRESSURE DROPPED BELOW MINIMUMS. THROTTLE WAS CLOSED AND AIRCRAFT WAS AUTOROTATED. CHECK VALVE NIPPLE HAD SEVERED AT OIL COOLER INLET.Mar 19, 1999 · N9486F · Hughes 369HSSDR CA990318016Liner · loose(CAN) AFTER REPLACING THE OIL COOLER BLOWER BEARING, THE BLOWER ASSEMBLY CAUSED HIGH FREQUENCY VIBRATION WHEN GROUND RUN. TROUBLESHOOTING REVEALED BEARING LINER, WHICH IS PRESSURE FITTED INTO THE BLOWER HOUSING, WAS LOOSE AND TURNING. THIS CAUSED MISALIGNMENMar 9, 1999 · Bell 205A1SDR CA990308006Bearing · lack of lube(CAN) NOTICEABLE NOISE COMING FROM ENGINE OIL COOLER BLOWER. BEARINGS INSPECTED AND FOUND DRY. INSTALLATION OF NEW BEARINGS ELIMINATED EXCESS NOISE.Feb 28, 1999 · Bell 205A1SDR HEEA060918Oil Cooler · cloggedOIL COOLER HAS HIGH OIL TEMPERATURE AND CORE IS CLOGGED.Feb 23, 1999 · N7077B · Bell 206L4SDR HEEA060917Oil Cooler · cloggedCORE CLOGGED, HIGH OIL TEMPERATURE INDICATION ON OIL COOLER.Feb 23, 1999 · N50182 · Bell 206L1SDR HEEA060916Oil Cooler · corrodedHIGH OIL TEMPERATURE INDICATION AND CORROSION FOUND ON OIL COOLER.Feb 23, 1999 · N31077 · Bell 206L3SDR CA990323023Blower · damaged(CAN) INSPECTION FOUND BEARING FAILURE CAUSING INTERNAL WEAR OF THE FAN BLADES.Feb 21, 1999 · Skrsky S76ASDR AU990371Hose · failed(AUS) ENGINE OIL COOLER OIL RETURN HOSE FAILED. LOSS OF ENGINE OIL. THE AIRCRAFT WAS SEVERELY DAMAGED DURING THE SUBSEQUENT FORCED LANDING.Feb 21, 1999 · Mooney M20CSDR 99ZZZX1954Cooler · misoverhauledINSTALLED OIL COOLER AT ZERO TSO TO REPLACE A LEAKING COOLER. DURING FIRST RUN-UP, TRANSMISSION OIL PRESSURE IMMEDIATELY EXCEEDED MAXIMUM ALLOWABLE LIMITS. BY PERFORMING A BORESCOPE INSPECTION, LOOSE AND BUILT UP CARBON WAS DISCOVERED IN THE COOLER. RELEASEFeb 17, 1999 · N5366Y · Bolkms BO105SSDR CA990223008Bearing · failed(CAN) HAND TURNING OF ENGINE OIL COOLER DURING INSPECTION REVEALED SOMETHING LOOSE AND NOISEY. BEARINGS REPLACED THEREBY RECTIFYING PROBLEM.Feb 11, 1999 · Bell 205A1SDR HEEA060554Cooler · leakingCOOLER LEAKING.Feb 10, 1999 · N57416 · Bell 407SDR AU990099Oil Cooler · faulty(AUS) RT ENGINE OIL COOLER FAULTY.Feb 3, 1999 · Stbros SD360SDR ABXA9900021Oil Cooler · defectiveNR 3 ENGINE OIL TEMPERATURE WENT TO 150 DEGREES AFTER TAKEOFF. ENGINE WAS SHUTDOWN. REPLACED NR 3 OIL COOLER, TEMPERATURE BULB AND REGULATOR. OPS CHECKED GOOD.Jan 13, 1999 · N851AX · Doug DC861SDR 99ZZZX535Oil Cooler · leakingOIL COOLER DEVELOPED LEAK IN CORE AT ONE END OF A COOLING TUBE. SUBMITTER STATED POSSIBLY CAUSED BY HIGH OIL PRESSURE ON START-UP WITH COLD OIL.Jan 13, 1999 · N9923S · Doug DC3CSDR 99ZZZX426Cooler · leakingTHE OIL COOLER APPEARS TO HAVE TWO PIECES OF METAL COME TOGETHER WHERE THE OIL COOLER SEPARATED AND OIL POURED OUT. PIPER P/N OF COOLER IS 455-165.Jan 5, 1999 · N32388 · Piper PA28151SDR 99ZZZX1980Oil Cooler · leakingPART RECEIVED PREVIOUS EPOXY REPAIRS. THE EPOXY FAILED AFTER BEING INSTALLED IN UNIT DURING OVERHAUL IN 1996. P.O.C.S. W/O NR 20712. PREVIOUS O/H BY DRAKE AIR W/P NR 23220 8-29-96.Jan 1, 1999 · Cessna 206CESSNASDR HEEA059936Duct · crackedOIL COOLER DUCT CRACKED.Dec 29, 1998 · N407MM · Bell 407SDR CA990129011Oil Cooler · failed(CAN) OIL COOLER (P/N 649479) WAS DELIVERED AND INSTALLED WITH AN OVERHAULED ENGINE. AS WINTER APPROACHED THE ENGINE OIL TEMPERATURE, DURING CRUISE, BEGAN TO DROP. WITH AMBIENT AIR TEMPERATURE -20 DEGREES CELSIUS, THE ENGINE OIL TEMPERATURE WAS BELOW THE BOTDec 29, 1998 · Cessna 414ASDR CA990202004Oil Cooler · failed(CAN) OIL COOLER (P/N 649479) WAS DELIVERED AND INSTALLED WITH AN OVERHAULED ENGINE. AS WINTER APPROACHED THE ENGINE OIL TEMPERATURE, DURING CRUISE, BEGAN TO DROP. WITH AMBIENT AIR TEMPERATURE -20 DEGREES CELSIUS, THE ENGINE OIL TEMPERATURE WAS BELOW THE BOTDec 28, 1998 · Cessna 402CSDR AU981657Oil Cooler · cracked(AUS) DURING CRUISE, THE ENGINE LOW OIL PRESSURE LIGHT BEGAN TO FLICKER AND OIL PRESSURE DROPPED. GROUND INSPECTION FOUND THAT THE ENGINE HAD ONLY 2.75 LITERS OF OIL LEFT. FURTHER INVESTIGATION FOUND A SMALL HAIRLINE CRACK APPROXIMATELY 2.54 CM (1.0 INCHES LDec 27, 1998 · Robsin R22BETASDR 99ZZZM186Oil Cooler · crackedAFTER DEPARTURE FROM FAI, PILOT NOTICED LOW OIL PRESSURE LIGHT ON LEFT ENGINE FLICKER, OBSERVED OIL PRESSUR GAUGE DROPPING SLOWLY AND PERFORMED A PRECAUTIONARY SHUT DOWN ON THAT ENGINE. OIL PRESSURE WAS AT 65 PSI AT THE TIME OF SHUTDOWN. AIRCRAFT RETURNED FORDec 22, 1998 · N1563C · Beech 1900CSDR AU981646Valve · faulty(AUS) DURING CLIMB, THE LT ENGINE OIL TEMPERATURE EXCEEDED THE 'RED' LINE. GROUND INVESTIGATION FOUND THAT THE OIL COOLER'S TEMPERATURE CONTROL VALVE WAS FAULTY.Dec 14, 1998SDR CA981207028Oil Cooler · leaking(CAN) NR 1 ENGINE OIL COOLER LEAKING. THE COOLER WAS REPLACED. PART TC: 3,264.Nov 20, 1998 · Dhav DHC8102SDR 98ZZZX4820Oil Cooler · crackedLEFT ENGINE OIL COOLER CRACKED AT MOUNTING FLANGE. FLANGE ATTACHED TO ENGINE BAFFLES AND SUPPORTS WIRE HARNESS WITH 90 DEGREE ANGLE AND CLAMP.Nov 17, 1998 · N207ZA · Beech 58SDR 98ZZZX4819Oil Cooler · crackedLEFT AND RIGHT OIL COOLERS CRACKED AT MOUNTING FLANGE. FLANGE ATTACHED TO ENGINE BAFFLES AND SUPPORTS WIRE HARNESS WITH 90 DEGREE ANGLE AND CLAMP.Nov 17, 1998 · N1061F · Beech 58SDR 98ZZZX4818Oil Cooler · crackedLEFT AND RIGHT OIL COOLERS CRACKED AT MOUNTING FLANGE. FLANGE ATTACHED TO ENGINE BAFFLES AND SUPPORTS WIRE HARNESS WITH 90 DEGREE ANGLE AND CLAMP.Nov 17, 1998 · N1061F · Beech 58SDR HEEA0016700Oil Cooler · leakingOIL COOLER LEAKING FROM CENTER OF COOLER ASSY.Nov 6, 1998 · N624MB · Bolkms BO105SSDR HEEA0016615Oil Cooler · failedHIGH OIL TEMP (ENGINE).Oct 31, 1998 · N467PH · Bell 407SDR 98ZZZX4240Oil Cooler · leakingOIL LEAK NOTED BELOW THE OIL COOLER ON A RECENTLY OVERHAULED ENGINE. OIL COOLER WAS PULLED AND GASKETS REPLACED. ENGINE STILL LEAKED OIL. OIL COOLER WAS PULLED AND 3 RECENTLY OVERHAULED COOLERS INSTALLED. ALL LEAKED. INSPECTION OF OIL COOLER MATING SURFACOct 30, 1998 · N66NC · Cessna 421CSDR HEEA0016592Oil Cooler · failedTRANS. OIL TEMP HIGH.Oct 28, 1998 · N293CA · Bell 412SDR HEEA0016591Oil Cooler · contaminatedC-BOX MAKING METAL.Oct 28, 1998 · N2148K · Bell 412SDR HEEA0016449Cooler · leakingOIL COOLER LEAKING.Oct 27, 1998 · N467PH · Bell 407SDR HEEA0016255Oil Cooler · failedOIL COOLER HAS HIGH OIL TEMPERATURE.Oct 21, 1998 · N707AE · Skrsky S76ASDR HEEA0016253Oil Cooler · leakingOIL COOLER LEAKING.Oct 21, 1998 · N2743E · Skrsky S76ASDR HEEA0016252Oil Cooler · failedOIL COOLER HAS HIGH OIL TEMPERATURE.Oct 21, 1998 · N707AE · Skrsky S76ASDR PCAA9800790Oil Cooler · failedNR 2 OIL TEMP PEAKED AT 120 DURING CLIMB. GOT AS LOW AS 114 DURING DESCENT. PRECAUTIONARY LANDING MADE AT BDL. LIMITATION EXCEEDED BY 7 MINS AT 115 DEGREES WHILE COMING IN ON APPROACH. REMOVED AND REPLACED OIL COOLER ASSEMBLY. GROUND RAN ENGINE, TEMPERATUOct 18, 1998 · N818EX · Dhav DHC8102SDR CA981027024Oil Cooler · leaking(CAN) DURING WALK-AROUND, THE FLIGHT CREW OBSERVED OIL ON THE LOWER COWLING OF NR 1 ENGINE. INSPECTION FOUND THE OIL COOLER LEAKING. PART TC: 3,232.Oct 16, 1998 · Dhav DHC8102SDR HEEA0016149Cooler · leakingCOOLER LEAKING.Oct 13, 1998 · N417PH · Bell 407SDR HEEA0016148Cooler · contaminatedCOOLER HAS METAL CONTAMINATION.Oct 13, 1998 · N404PH · Bell 407SDR AWXA9800211Oil Cooler · crackedNR 1 ENGINE OIL PRESSURE DROPPED AFTER TAKEOFF. ENGINE WAS SHUTDOWN, OIL QUANTITY DROPPED TO ZERO. LEAK FOUND AT LOWER SECTION OF NR 1 ENGINE AIR/OIL COOLER. REPLACED AIR/OIL COOLER AND SERVICED OIL TANK.Oct 9, 1998 · N644AW · Airbus A320231SDR SABA980049Oil Cooler · crackedGNV - FLT 5069 - RIGHT ENGINE OIL PRESSURE BELOW 55 PSI FEATHERED PROP AND OIL PRESSURE HELD AT 40 PSI 10 MIN LATER IT FELL TO 30 PSI INFLIGHT SHUTDOWN OF RIGHT ENGINE. INFLIGHT EMERGENCY DECLARED. AIRCRAFT LANDED NO INCIDENTS. FOUND ENGINE OIL COOLER LEAKIOct 3, 1998 · N818PH · Dhav DHC8102SDR CA980916015Fitting · chafed(CAN) DURING CRUISE, THE NR 1 ENGINE OIL PRESSURE FLUCTUATED 50-60 PSI. LOW OIL PRESSURE CAUTION LIGHT INTERMITTENT. POWER REDUCED. LANDING NORMAL. INSPECTION FOUND LOW OIL QUANTITY DUE TO A LARGE LEAK FROM OIL COOLER INLET FITTING. THE COOLER RIGID LINE Sep 15, 1998 · Dhav DHC8311SDR HEEA0015956Cooler · leakingOIL COOLER LEAKING THROUGH FINS.Sep 4, 1998 · N720PH · Bell 407SDR HEEA0015955Cooler · failedENGINE OIL COOLER HAS HIGH OIL TEMPERATURE.Sep 4, 1998 · N467PH · Bell 407SDR HEEA0015882Oil Cooler · failedOIL COOLER HAS HIGH OIL TEMPERATURE, CORES CLOGGED.Aug 27, 1998 · N31801 · Bell 206L3SDR HEEA0015852Oil Cooler · cloggedOIL COOLER HAS HIGH OIL TEMPERATURE AND CORES ARE CLOGGED.Aug 27, 1998 · N4180F · Bell 206L3
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