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 CA991112031Hub · scored(CAN) THE HUB OF THE BLOWER WAS FOUND CRACKED AND SEVERELY DAMAGED DUE TO POSSIBLE MOVEMENT OF THE BLOWER ALONG THE SHAFTS SURFACE. THE TWO TOUCHING PIECES HAVE SCORES AND TRANSPOSED METAL. PIECES SENT TO MFG FOR INVESTIGATION (MATERIAL OR OTHERWISE). PARTSNov 4, 1999 · Robsin R44SDR CA991103002Oil Cooler · failed(CAN) OIL TEMPERATURE NEAR MAX. OIL COOLER REPLACED.Oct 20, 1999 · Dhav DHC8102SDR HEEA064729Oil Cooler · mismanufacturedTRANSITION DUCT WILL NOT ALIGN WITH HOLES ON COOLER MOUNTING FLANGE. DUCT FITS TIGHT ON COOLER. MOUNTING FLANGE ON COOLER MISLOCATED.Oct 12, 1999 · N31801 · Bell 206L3SDR HEEA064705Duct · crackedDUCT FOUND CRACKED.Oct 8, 1999 · N447PH · Bell 407SDR 20000621SH010Cooler · leakingPART BEGAN LEAKING DURING NORMAL SERVICE DUE TO EPOXY FAILURE. EPOXY WAS USED OVER A CRACK IN THE OIL COOLER WHICH WORKED ITS WAY TO THE SURFACE OF THE HARDENED EPOXY. SUBMITTER RECOMMENDED ELIMINATING THE USE OF EPOXY IN OIL COOLERS. (X)Oct 7, 1999 · Cessna 206CESSNASDR 20000621SH011Cooler · leakingOIL COOLER RUPTURED AT POINT OF PREVIOUS EPOXY REPAIR CAUSING SEVERE LEAK. EPOXY FAILURE IS COMMON AND SHOULD BE ELIMINATED FROM BEING USED IN OIL COOLERS. (X)Oct 6, 1999 · Cessna 310SDR HNAA9900134Intercostal · crackedNR 2 ENGINE OIL COOLER DOOR I/B INTERCOSTAL CRACKED FROM LARGE RIVET JUST FWD OF HINGE POINT RUNNING AFT TO HINGE POINT HOLE. DEFERED PER ESR8-54-91-11. REPLACE WITH POST MOD 8/1619 INTERCOSTAL WITHIN 500 HRS. REMOVED AND REPLACED OIL COOLER DOOR I/B INTERCOct 2, 1999 · N906HA · Dhav DHC8102SDR CA991007095Oil Cooler · leaking(CAN) OIL PRESSURE LIGHT ILLUMINATED IN-FLIGHT WITH OIL PRESSURE DROPPING RAPIDLY. OIL LEAK FOUND AT OIL COOLER. COOLER IN SERVICE FOR ONLY 23.2 HOURS.Sep 30, 1999 · Dhav DHC8102SDR UF6A990933Bracket · crackedSBN - THE RN 2 ENGINE MODULE 3 OIL COOLER BRACKET IS CRACKED. MAINTENANCE REMOVED AND REPLACED BRACKET. ALL WORK WAS DONE BAE ATP MM 79-00-00. (M)Sep 27, 1999 · N858AW · Bag ATPSDR HEEA064424Cooler · leakingCOOLER LEAKS.Sep 22, 1999 · N510PH · Bell 407SDR USAASB99231Csd Oil Cooler · bird strikeBOS - FLT 2851 - DURING TAKEOFF, TWO SEA GULLS STRUCK THE NR 2 ENGINE. AFTER INGESTION, THERE WAS A SMELL IN THE CABIN. FLIGHT RETURNED TO FIELD AT BOS AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE ACCOMPLISHED BIRD STRIKE CONSep 16, 1999 · N244US · Boeing 737201SDR CA991027064Blower · failed(CAN) OIL COOLER BLOWER VIBRATING EXCESSIVELY AND ALSO SHOWED SIGNS OF GREASE LOSS.Sep 14, 1999 · Hughes 369DSDR CA991008032Hole · elongated(CAN) DURING INSPECTION, MOVEMENT BETWEEN ADAPTER AND OIL COOLER IMPELLER SHAFT WAS FOUND. ATTACHMENT IS BY TAPERED PIN WITH HOLES DRILLED IN SHAFT ADAPTER. UPON DISASSEMBLY, ALL DRILLED HOLES AND TAPERED PIN WAS FOUND WORN.Sep 13, 1999 · Enstrm 480TH28SDR CA990927004Oil Cooler · failed(CAN) DURING CLIMB-OUT, THE FLIGHT CREW OBSERVED THE NR 1 ENGINE OIL TEMPERATURE AT 'MAX'. THE AIRCRAFT RETURNED TO BASE WHERE MAINTENANCE TRACED THE PROBLEM TO THE VERNATHERM FOR THE OIL COOLER DOOR.Sep 12, 1999 · Dhav DHC8102SDR 99ZZZM667Packing · cutOIL PRESS CAUTION LIGHT FLICKERED DURING CLIMB-OUT FROM CDV. NR 2 ENGINE OIL PRESS DROPPED TO ZERO IN CRUISE. SHUTDOWN NR 2 ENGINE AND MADE UNEVENTFUL LANDING AT ANC. OIL LEAK AT NR 2 ENGINE OIL COOLER INLET DUE TO CUT O-RING. ENGINE REPLACED DUE TO OIL STAug 31, 1999 · N881EA · Dhav DHC8103SDR CA990915038Impeller · cracked(CAN) ENGINE OIL COOLER/BLOWER ASSY DISASSEMBLED AT CUSTOMER'S REQUEST. IMPELLER WAS FOUND CRACKED (1/2) DURING FPI INSPECTION. MANUAL SPECIFIES THAT FPI IS CARRIED OUT EVERY 300 HOURS, HOWEVER, THIS CRACK WAS FOUND IN AN AREA NOT SPECIFIED IN THE BELL MANUAAug 27, 1999 · Bell 206BSDR CA991008031Duct · cracked(CAN) DURING ROUTINE MAINTENANCE, FOUND BLOWER DUCT CRACKED. SUSPECT GUIDE P/N 350A-720-325-27 TO HAVE SEPARATED FROM ASSEMBLY AND GOT CAUGHT BETWEEN BLOWER WHEEL AND BLOWER DUCT.Aug 19, 1999 · Snias AS350BSDR CA991008030Blower Wheel · cracked(CAN) DURING ROUTINE MAINTENANCE, THE OIL COOLER BLOWER WHEEL WAS FOUND TO HAVE MISSING BLADES. SUSPECT GUIDE (P/N 350A-720-325-27) TO HAVE SEPARATED FROM ASSEMBLY AND GOT CAUGHT BETWEEN BLOWER WHEEL AND BLOWER DUCT.Aug 19, 1999 · Snias AS350BSDR CA991008029Guide · separated(CAN) DURING ROUTINE MAINTENANCE, OIL COOLER WHEEL AND BLOWER DUCT FOUND DAMAGED. FURTHER INSPECTION FOUND GUIDE MISSING WHICH WAS FOUND IN BOTTOM BELLY PANEL.Aug 19, 1999 · Snias AS350BSDR 99ZZZX3186Oil Cooler · leakingPART FAILED DURING NORMAL SERVICE DUE TO EPOXY REPAIR FAILURE. EPOXY FAILURE IS COMMON IN OIL COOLERS THAT HAVE BEEN REPAIRED USING EPOXY.Aug 19, 1999 · Mooney M20ESDR RAIA990823Actuator · failedFLT 7348 - STL - RIGHT OIL COOLER FLAP WILL NOT OPERATE IN MANUAL AND AUTO MODE PREVIOUSLY DEFERRED. MAINTENANCE REPLACED RIGHT OIL COOLER FLAP ACTUATOR. (M)Aug 17, 1999 · N426AM · Bag JETSTM3201SDR UF6A990801Oil Cooler · failedORD - FLT 5721 - NR 1 ENGINE LOW OIL PRESSURE WARNING ILLUMINATED IN FLIGHT. ENGINE WAS SHUT DOWN PER EMERGENCY CHECKLIST. MAINTENANCE REPLACED ENGINE OIL COOLER, DRAINED AND RESERVICED ENGINE OIL. OPS CHECK GOOD. (M)Aug 3, 1999 · N852AW · Bag ATPSDR HEEA063033Oil Cooler · leakingOIL COOLER LEAKING.Jul 29, 1999 · N5128 · Skrsky S76ASDR 99ZZZX2956Oil Cooler · leakingPART BEGAN LEAKING DURING NORMAL SERVICE DUE TO EPOXY REPAIR FAILURE. EPOXY REPAIRS COMMONLY FAIL. SUBMITTER RECOMMENDED ELIMINATING USE OF EPOXY IN OIL COOLERS.Jul 29, 1999 · Cessna 206CESSNASDR HEEA063104Duct · crackedDUCT CRACKED.Jul 28, 1999 · N141MA · Bell 407SDR HEEA062794Blower · wornCHAFE MARKS ON BLOWER HOUSING AND WEAR. CORROSION ON SHAFT.Jul 13, 1999 · N22342 · Skrsky S76ASDR HEEA062746Blower · inoperativeBLOWER INOPERATIVE. REFERENCE: RMA NR R020408.Jul 8, 1999 · N350BZ · Snias AS350B2SDR 99ZZZX2944Oil Cooler · damagedALTERNATOR WAS INSTALLED ON THE AIRCRAFT WITHOUT REMOVING THE COOLING FAN FROM THE ALTERNATOR PER THE ENSTROM MM. FAN THREW A BLADE WHICH PUNCTURED THE OIL COOLER CAUSING LOSS OF ENGINE OIL. SUBMITTER SUGGESTED BULLETINS CALLING FOR INSPECTION OF INSTALLING Jul 1, 1999 · N5691W · Enstrm 280CSDR 99ZZZX2789Gasket · mismanufacturedWHEN C/W LYCOMING MSB 518C ON INSPECTION OF THERMOSTATIC BYPASS VALVE, UPON RE-INSTALLING VALVE, NEW GASKET WOULD NOT SIT ON VALVE CORRECTLY. IT SITS ON TAPERED SECTION OF VALVE AND WHEN TORQUED DOWN, IT LEAKS. IF THE INSIDE DIAMETER OF THE GASKET WAS CHAMFEJun 30, 1999 · N728CA · Piper PA31350SDR 99ZZZX2616Oil Cooler · leakingPART WS REPAIRED USING EPOXY. EPOXY FAILED DURING NORMAL SERVICE ALLOWING PART TO LEAK AT POINT OF ORIGINAL REPAIR. EPOXY FAILURE IS COMMON. SUBMITTER RECOMMENDED ELIMINATING USE OF EPOXY IN OIL COOLERS.Jun 30, 1999 · Cessna 182SDR 99T64R283ARDuct · crackedNR 3050 - NR 3 TURBO COMPRESSOR OIL COOLING DUCT CRACKED. WELDED CRACK IAW BOEING MESSAGE M-7200-99-05081. ARROW AIR (M)Jun 25, 1999 · N1808E · Doug DC862SDR 99T64R258ARDuct · crackedNR 0161 - CSD OIL COOLER DUCT CRACKED AT FORWARD MOUNTING FLANGE ENG S/N 670982 NR 4 POSITION. WELDED CRACK IAW BOEING ENGINEERING MESSAGE M-7200-99-05081 WITH APPROVED FAA FORM 8110-3 DATED 6-21-99. REF: ARROW AIR, ARWA. (X)Jun 25, 1999 · N1808E · Doug DC862SDR AWXA9900226Oil Cooler · failedDIVERTED TO DFW FOR LEFT-HAND WING FUEL LOSS. PRELIMINARY INFORMATION, O-RING BLEW OUT OF THE FCOC (FUEL COOLED OIL COOLER) FILTER CARTRIDGE HOUSING. FAILED HELICOIL. CANNOT FIX HELICOIL. *S/D* FOUND FCOC LEAKING. REMOVED AND REPLACED SAME PER 79-21-43. Jun 21, 1999 · N620AW · Airbus A320231SDR 99ZZZX2575Engine · failedAPPROXIMATELY 45 MINUTES AFTER TAKEOFF, PILOT NOTICED OIL PRESSURE DROPPING. ENGINE WAS SECURED AND PROPELLER FEATHERED WHEN MINIMUM PRESSURE WAS OBTAINED. MAINTENANCE FOUND THE ENGINE OIL OUT TO OIL COOLER IN LINE HAD BROKEN. LINE WAS REPLACED AND OIL TANKJun 17, 1999 · N5831B · Doug DC3CSDR 99ZZZM393Oil Cooler · failedBWI - FLT2693 - EN ROUTE FROM ROC TO MCO, THE NR 1 ENGINE CSD LOW OIL PRESSURE LIGHT ILLUMINATED. CAPT ACCOMPLISHED QUICK REF HANDBOOK PROCEDURES AND DISCONNECTED THE NR 1 ENGINE CSD. CAPT THEN ATTEMPTED TO PUT THE APU ON LINE BUT, THE APU FAILED TO START. Jun 14, 1999 · N254AU · Boeing 737201SDR 99ZZZX2659Oil Cooler · rupturedOIL COOLER RUPTURED IN AIRCRAFT.Jun 11, 1999 · N6136N · Beech B23SDR 99ZZZX2463Oil Cooler · leakingPART FAILED DURING NORMAL SERVICE. PART HAD PREVIOUSLY BEEN REPAIRED USING EPOXY. THE EPOXY FAILED ALLOWING THE COOLER TO BEGIN LEAKING AT POINT OF ORIGINAL REPAIR. RECOMMEND ELIMINATING USE OF EPOXY ON OIL COOLERS AS EPOXY FAILURE IS COMMON.Jun 11, 1999 · Beech B60SDR 20000712SH036Cooler · leakingPART BEGAN LEAKING DURING NORMAL SERVICE DUE TO EPOXY REPAIR FAILURE. SUBMITTER RECOMMENDED ELIMINATING USE OF EPOXY REPAIR ON AND IN OIL COOLERS AS EPOXY REPAIR FAILURE IS VERY COMMON WHEN USED ON OIL COOLERS. (X)Jun 9, 1999 · Cessna 310SDR 99ZZZX2386Cooler · leakingPART RECEIVED EPOXY REPAIRS THAT FAILED DURING NORMAL SERVICE. EPOXY WAS USED OVER CRACKS WHICH WORKED THROUGH TO THE SURFACE OF THE HARDENED EPOXY ALLOWING THE OIL COOLER TO LEAK AGAIN. SUBMITTER STATED EPOXY FAILURE IS COMMON IN OIL COOLERS AND RECOMMENDEDJun 1, 1999 · Mooney M20SDR AU990529Gasket · leaking(AUS) RT OIL COOLER TO OIL TANK GASKET LEAKING. OIL COOLER AND GASKET HAD BEEN REPLACED PRIOR TO THE FLIGHT. GROUND RUNS HAD FOUND NO EVIDENCE OF LEAKAGE.May 30, 1999 · Skrsky S76ASDR HEEA062558Blower · damagedBLOWER HAS BROKEN BRUSH PLUG.May 25, 1999 · N6095S · Snias AS350B2SDR HEEA062460Duct · crackedDUCT CRACKED.May 24, 1999 · N407MM · Bell 407SDR HEEA062459Duct · crackedDUCT CRACKED.May 24, 1999 · N612PH · Bell 407SDR HEEA062458Duct · crackedOIL COOLER DUCT ASSY CRACKED.May 24, 1999 · N437PH · Bell 407SDR HEEA062447Bearing · failedFORWARD OIL COOLER BEARING FAILURE.May 24, 1999 · N447PH · Bell 407SDR AU990538Oil Cooler · leaking(AUS) ENGINE OIL COOLER LEAKING FROM THE CORE ADJACENT TO THE UPPER FITTING BOSS. THE BOSS WAS SLIGHTLY DISTORTED. THE COOLER WAS A REPAIRED ITEM AND HAD BEEN INSTALLED FOR APPROXIMATELY 1.5 HOURS. THE ITEM HAD BEEN IN STORAGE IN EXCESS OF FIFTEEN YEARS.May 21, 1999 · Cessna 172RGSDR 99ZZZX2195Cooler · leakingAFTER PREVIOUS EPOXY REPAIR, PART BEGAN LEAKING IN SERVICE DUE TO EPOXY REPAIR FAILURE.May 20, 1999 · Cessna 206CESSNASDR HEED064534Oil Cooler · leakingOIL COOLER LEAKING FROM BASE. ORDERED REPLACEMENT.Apr 27, 1999 · N3193E · Bell 407SDR UF6A990409Oil Cooler · failedCAK - FLT 5709 - LOW OIL PRESSURE CWP ILLUMINATED, ON THE NR 2 ENGINE, ON TAKEOFF ROLL. MAINTENANCE REMOVED AND REPLACED THE OIL COOLER ON THE NR 2 ENGINE. SYSTEM OPS CHECKED GOOD. (M)Apr 17, 1999 · N851AW · Bag ATPSDR AU990339Hose · mismanufactured(AUS) OIL COOLER HOSE TOO LONG.Apr 12, 1999 · Cessna 152
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