JASC 7921

Service difficulty reports · 982

Reports filed under 7921 · Engine Oil Cooler, newest first.

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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"

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SDR DLM88080243Oil Cooler · unknownNR 1 ENG GEN/CSD OIL TEMP RUNNING IN YELLOW BAND IN CLIMB AND UPON REACHING RED BAND AT TOP OF CLIMB DISCONNECTED CSD. APU GEN ALREADY ON MCO- DIVERTED TO IAD. REMOVED AND REPLACED LEFT CSD AND GENERATOR PER AMM 426246 ENGINE DISCONNECT AND RECONNECTED CSD LFeb 19, 2008 · N923DL · Doug MD88SDR JJBA200871007Oil Cooler · leakingFLT 8713 CLE-AVP PIC REPORTED, HAD MASTER CAUTION WARNING FOR LOW OIL PRESSURE NR 1 ENGINE. SHUT DOWN NR 1 ENGINE, LANDED IN PIT. SENT MAINTENANCE CREW TO PIT FOUND NR 1 OIL COOLER LEAKING. REPLACED NR 1 OIL COOLER, RESERVICED NR 1 ENGINE AND OTHER CHECKS Jan 26, 2008 · N375PH · Dhav DHC8202SDR CA080124007Line · chafed(CAN) LINE FOUND LEAKING BETWEEN OIL COOLER TO FUEL HEATER. THE CHAFE WAS FOUND BY THE STEEL IDENTIFIER ON THE LINE. LINE WAS REPLACED AND AREA WAS CORRECTED SO THAT THE NEW LINE WOULD NOT CHAFE IN THE FUTURE. (TC NR 20080124007)Jan 23, 2008 · Frchld SA227DCSDR CA080124006Line · chafed(CAN) LINE FOUND LEAKING BETWEEN OIL COOLER TO FUEL HEATER. THE CHAF WAS FOUND BY THE STEEL IDENTIFIER ON THE LINE. LINE WAS REPLACED AND AREA WAS CORRECTED SO THAT THE NEW LINE WOULD CHAF IN THE FUTURE (TC NR 20080124006)Jan 23, 2008 · Frchld SA227DCSDR CA080129003Nut · undertorqued(CAN) DURING 100 HR, LUBRICATION OF T/R HANGER BEARINGS, IT WAS NOTED THAT THE AFT HEAT SHIELD WAS FREE TO ROTATE, UP ON FURTHER INSPECTION IT WAS FOUND THAT THE AFT SPANNER NUT WAS LOOSE, BUT THE LOCK WASHER WAS STILL IN THE LOCK POSITION. RECORDS SHOW THAT TJan 16, 2008 · Bell 407SDR CA080117006Thermostat · unserviceable(CAN) THERMOSTAT STUCK AND ENGINE OIL TEMP BEGAN TO RISE TO LIMIT. (TC NR 20080117006)Jan 16, 2008 · Skrsky S76ASDR C2XA08IA007Oil Cooler · dirtyIAH - FLIGHT 2206, THE CREW REPORTED THAT ENGINE TWO HAD HIGH OIL PRESSURE IN FLIGHT. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NUMBER TWO ENGINE FUEL OIL COOLER, OPERATIONALLY CHECKED WITH NO DEFECTSJan 3, 2008 · N19966 · Emb EMB145LRSDR CA071120007Blower Motor · unserviceable(CAN) HEARD NOISE AFTER LANDING AND SHUT THE AIRCRAFT DOWN. UPON INSPECTION FOUND THE BLOWER ROTOR COMPLETELY GONE. REPLACED THE ROTOR, DUCT AND MOTOR TO GET THE AIRCRAFT SERVICEABLE. (TC NR 20071120007)Nov 10, 2007 · Snias AS350B2SDR M7K2008F00058Fan · failedFAN ASSY HAD 3 BLADES MISSING CORNERS WITH 1 BLADE MISSING 40 PERCENT OF ITS DIMENSIONS. NEW FAN ASSY INSTALLED. INITIAL BLADE FAILURE SEEMED TO BE A MATERIAL FAILURE NOT CAUSED BY AN IMPACT. THIS TYPE DEFECT IS PRETTY RARE. (K)Oct 30, 2007 · N814MH · Urocop EC130B4SDR 2007FA0001081Oil Cooler · crackedAT A 100 HR INSPECTION ON HELICOPTER, INSTALLED A NEW OIL COOLER REPLACING THE ORIGINAL OIL COOLER. (NOVEMBER 5, 2007, HOUR METER 1042) WHILE FLYING, NOTICED THE OIL TEMPERATURE RISING AND THE OIL PRESSURE DROPPING. MADE AN UNSCHECULED LANDING AND DISCOVEREDSep 26, 2007 · N97CP · Robsin R22ALPHASDR QXEA200701347Oil Cooler · odorRNO FLIGHT NR 2256: AFTER ENGINE START AND BLEEDS SELECTED, ELECTRICAL AND OILY ODOR CONSUMED FLIGHT DECK AND GALLEY. MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE OIL COOLER, BORESCOPED THE NR 2 ENGINE AND COMPRESSOR AND WASHED THE NR 2 ENGINE. ALL GROUNAug 23, 2007 · N404QX · Bombdr DHC8402SDR CA070824007Door · inoperative(CAN) AIRCRAFT WAS DISPATCHED FOR FIRE ACTION. AFTER DEPARTURE, THE RT OIL TEMPERATURE GAUGE WAS OBSERVED TO BE AT THE BOTTOM OF THE RED ARC, APPROXIMATELY 100 DEGREES C. THE FLIGHT CREW IMMEDIATELY SHUTDOWN THE RT ENGINE AS A PRECAUTION AND RETURNED TO BASE. Jul 25, 2007 · Cvac 440SDR SIMA200719701Oil Cooler · failedRIGHT ENGINE OIL TEMPERATURE INDICATION IN RED, DURING TAXI OIL PRESSURE INDICATION ERRATIC WITH ENGINE SHUTDOWN. RETURNED TO LFT. REMOVED AND REPLACED OIL SAVAGE PUMP, OIL BYPASS VALVE AND OIL COOLER IAW SAAB AMM. OPERATIONAL CHECK GOOD. RETURNED AIRCRAFTJul 13, 2007 · N384AE · Saab 340BSDR QXEA200701148Actuator · inoperativeSEA - ON FLIGHT 2328, NR 1 OIL TEMP 105 DEGREES ON CLIMB-OUT, C/W CHECKLIST. TEMP STARTED TO COOL, IT STABILIZED AT 85 DEGREES. MAINTENANCE FOUND NR 1 ENGINE OIL COOLER AIR OUTLET FLAP ACTUATOR TO BE STICKING. REPLACED ACTUATOR. AIRCRAFT RETURNED TO SERVICJul 12, 2007 · N405QX · Bombdr DHC8402SDR HEEA116166Bearing · failedIN CRUISE FLIGHT THE AIRCRAFT EXPERIENCED A RHYTHMIC BUT INTERMITTENT VIBRATION. MAINTENANCE FOUND ONE OIL COOLER BLOWER TO HAVE BAD BEARINGS AND CHIPPED BLADES. REPLACED OIL COOLER BLOWER.Jul 1, 2007 · N412SM · Bell 412SDR 2007FA0000630Blower · damagedOIL COOLER BLOWER APPEARS TO BE FOD`D OUT. ONE BLADE WAS FOUND ENABLED IN THE HOUSING. THE OUT OF BALANCE SITUATION BROKE ALL (4) BEARING CARRIER LEGS. DAMAGED BLOWER WAS REPLACED AND AC WAS RETURNED TO SERVICE. (K)May 24, 2007 · N97FF · Hughes 369FFSDR AWXA200700683Cooler · leakingEWR - CREW REPORTED THE NR 1 ENGINE WILL NOT GO TO IDLE IN FLIGHT, IDLES AT 75 PERCENT N2 WHILE NR 2 IDLES AT 69 PERCENT, FUEL FLOW SPLIT AS WELL. THE CREW DECLARED AN EMERGENCY. THE LANDING WAS UNEVENTFUL. THE A/C TAXIED TO THE GATE. MX REMOVED AND REPLACMay 24, 2007 · N818AW · Airbus A319132SDR QXEA200700830Valve · malfunctionedMFR FLIGHT: NR 1 OIL TEMP, 119 DEGREES IN CRUISE AT FL250. BYPASS DOOR CLOSED IAW EMERGENCY CHECK LIST. NO CHANGE. INFO CRUISE TQ 65 PERCENT OAT - 27. NR 1 OIL PRESSURE 69. MAINTENANCE PERFORMED SPECIAL INSPECTION FOR ELEVATED OIL TEMP PER Q400 MM 05-53-0May 15, 2007 · N413QX · Bombdr DHC8402SDR 2007FA0000366Gasket · brokenAIRCRAFT DEPARTED ON A CHARTER , PILOT WAS OVER LAKE WHEN HE NOTICED ENGINE OIL COMING OUT OF TOP ENGINE COWLING COOLING LOUVERS. PILOT NOTIFIED CONTROL HE WAS LOSING OIL. FEATHERED THE RT ENGINE AND DIVERTED . PILOT MADE UNEVENTFUL SINGLE ENGINE LANDING ANApr 12, 2007 · N42776 · Cessna 421BSDR 2007FA0000393Oil Cooler · crackedON APRIL 9, 2007, MADE A PRECAUTIONARY LANDING, AL (TCL) DUE TO LOW OIL PRESSURE ON THE LEFT ENGINE. MAINTENANCE PERSONNEL REPORTED THAT THE OIL COOLER HAD FAILED DUE TO CRACKS, THE OIL LEVEL WAS DOWN (4) QUARTS, AND THE OIL FILTER WAS INSPECTED WITH NO CONTAApr 9, 2007 · N1873W · Beech A60SDR CA070328004Oil Cooler · leaking(CAN) EXCESSIVE OIL NOTED ON LT ENGINE NACELLE. OIL LEAK TRACED TO LT ENGINE OIL COOLER. NEW OIL COOLER INSTALLED.Mar 27, 2007 · Beech 1900CSDR QXEA200700349Actuator · malfunctionedBOI FLIGHT NR 2422: AFTER TAKEOFF, OIL TEMP CONTINUED TO CLIMB THRU ABOUT 15000 FT. TEMP WAS ABOUT 90 DEG. AFTER LEVEL OFF WITH CRUISE POWER SET, TEMP FLUCTUATED FROM 97 TO 86 AT ABOUT 1 MINUTE AT A TIME. IT WAS ABOVE 90 FOR THE FIRST 30 MINUTES OF FLIGHT. Mar 4, 2007 · N401QX · Bombdr DHC8402SDR CA070105005Impeller · cracked(CAN) 300 HR NDT FOUND CRACKS IN THE WEB AREA. PART REPLACED. (TC NR 20070105005)Jan 5, 2007 · Bell 206L1SDR 2006FA0001189Oil Cooler · leakingOWNER REPORTED THAT AFTER FLYING AIRCRAFT, THERE APPEARED TO BE OIL LEAKING FROM UNDER COWLING. OIL LEVEL WAS CHECKED AND FOUND TO BE DOWN TO ONLY 3 QUARTS LT. AFTER REMOVAL OF COWLING AND INSPECTION, IT WAS FOUND THAT MOST OF THE OIL LEAKAGE APPEARED TO BE Dec 12, 2006 · N216LF · Amtr ALARUSCH2TSDR CA061213005Oil Cooler · cracked(CAN) OIL COOLER SEAM WELD CRACKED DURING FLIGHT ALLOWING LEAKAGE AND LOW ENGINE OIL PX. (TC NR 20061213005)Dec 10, 2006 · Dhav DHC8102SDR CA061207004Oil Cooler · leaking(CAN) ON AIRCRAFT RETURNING TO BASE IT WAS NOTED THAT THERE WAS OIL ON THE TAILBOOM. ON INVESTIGATION THE SOURCE OF THE OIL WAS FOUND TO BE THE OIL COOLER. COOLER CHANGED. (TC NR 20061207004)Dec 7, 2006 · Bell 206L1SDR DL777061001Oil Cooler · leakingNR 1 ENG OIL LOSS DIVERTING TO YYT FOR REPAIRS. REPLACED FUEL-OIL COOLER PER 79-21-11971300. PERFORMED TEST 2 PER M/M 71-00-00-800-829-R00. NO LEAKS. TESTS GOOD. RAN NR 1 ENG AT HIGH POWER 1.4 EPR FOR 2 MINUTES PER M/M. ALL ENG PARAMETERS NORMAL. NO OILDec 1, 2006 · N861DA · Boeing 777232SDR AMCR200600004Quill · wornDURING A POSTFLIGHT INSPECTION, MECHANIC WIGGLED THE IMPELLER OF THE LT OIL COOLER BLOWER AND NOTICED EXCESSIVE PLAY AND PROCEEDED TO REMOVE THE BLOWER. INVESTIGATION REVEALED THE SPLINE SHAFT TEETH OF BOTH THE BLOWER'S QUILL SHAFT AND THE ACCESSORY DRIVE TO BNov 13, 2006 · N520AC · Skrsky S76BSDR 2006FA0001068Oil Cooler · leakingPILOT REPORTED FLICKERING OIL PRESSURE ANNUCIATOR DURING TAKE-OFF. LANDED AND FOUND OIL LEAKING FROM OIL COOLER AREA. UPON CLOSER EXAMINATION BY A&P DETERMINED COOLER WAS LEAKING IN BETWEEN THE COOLING FINS. COOLER WAS REPLACED RUN UP AND LEAK CHECKED GOOD. OINov 3, 2006 · N287ND · Piper PA28R201SDR HALA0600828Heat Exchanger · leakingDURING WALKAROUND FOUND OIL LEAK NR 1 ENG. FOUND NR 1 AIR/OIL HEAT EXCHANGER LEAKING. REPLACED AIR/OIL HEAT EXCHANGER AND VALVE IAW AMM 79-21-09. GROUND RUN UP AND LEAK CHECK OK.Oct 26, 2006 · N580HA · Boeing 76733ASDR CA070228005Blade · missing(CAN) VIBRATION ON OIL COOLER BLOWER, FURTHER INVESTIGATION REVEALED ONE BLADE MISSING. SERVICEABLE OIL COOLER BLOWER INSTALLED, A/C RETURNED TO SERVICE. (TC NR 20070228005)Sep 25, 2006 · Bell 205A1SDR CA060913005Support · obstructed(CAN) SUPPORT 212-030-041-233 FOULS WITH TRANSMISSON OIL LINE 212-040-229-001. (TC NR 20060913005)Sep 11, 2006 · Bell 412SDR CA070126004Oil Cooler · cracked(CAN) OIL LEAK AROUND CASTING PORT ON THE OIL COOLER ASSEMBLY. (TC NR 20070126004)Aug 31, 2006 · Bnorm BN2ASDR CA060821005Bypass Valve · failed(CAN) RT OIL TEMPERATURE REACHED THE REDLINE WHEN CLIMBING THROUGH 25000 FT. POWER REDUCED AND A/C DESENDED TO 20000 FT. OIL TEMP RETURNED TO NORMAL. ENG POWER SETTING RETURNED TO NORMAL, NO FURTHER FAULT. NR 2 ENGINE OIL COOLER THRMOSTATIC BYPASS VALVE REPAug 12, 2006 · Beech B300SDR CA060811002Belt · worn(CAN) ON APPROACH TO LAND THE PILOT HEARD A NOISE TO THE REAR OF THE AIRCRAFT FOLLOWED BY A VIBRATION. UPON INSPECTION THE ENGINEER NOTICED THE OIL COOLER BLOWER BELT TENSION WAS LOOSE AND THE TEETH OF THE BELT WERE WORN. (TC NR 20060811002)Aug 10, 2006 · Hughes 369DSDR ANCF200600026Oil Cooler · defectiveLT ENGINE OIL TEMP HIGH 180 GRADES; IAW FIM 79-21-00 PAGE 109 FIG 104 THE BLOCKS 1,2,3 WERE ACCOMPLISHED. THE AIRCRAFT IS AOG, OIL COOLER WAS REPLACED AND ADDITIONAL CHECKS ARE BEEN ACCOMPLISHED BY TROUBLESHOOTING.Jul 26, 2006 · N728CG · Boeing 767SDR 06FDEA2658Oil Cooler · defectiveIN FLIGHT, 10,000 FT, REPEAT WRITE UP. STEADY OIL TEMP CLIMB PAST 160. TEMP WENT 184, 190, 192 FOR APPROX 15 SECONDS. THEN 200 DEGREES FOR APPROX 5 SEC. ECAM FOLLOWED-THROTTLE IDLE. ECAM CLEARED, CAUTION WENT AWAY. CK'ED MAIN SCAVENGE OIL FILTER ASSY ASJul 22, 2006 · N674FE · Airbus A300*SDR SWIA200616829Oil Cooler · failedSHUTDOWN LEFT ENGINE AND DIVERTED TO CDC AFTER LOSS OF OIL PRESSURE. REPLACED LINE ON LEFT ENGINE OIL COOLER.Jul 12, 2006SDR SWIA200616835Oil Cooler · malfunctionedSHUTDOWN LEFT ENGINE AND DIVERTED TO CDC AFTER LOSS OF OIL PRESSURE. REPLACED LINE ON LEFT ENGINE OIL COOLER.Jul 11, 2006 · N232SW · Emb EMB120ERSDR C8GA20060007Oil Cooler · inoperativeFLT 1711 FROM LAX TO TOL. DURING CLIMB PASSING THROUGH 10,000FT THE NR 3 ENGINE CSD TRIPPED INDICATING 140 DEGREE'S CELSIUS IN TEMP. THE NR 2 ENGINE CSD WENT TO 140 DEGREE'S AND NR 1 CSD WAS OPERATING HOT AT 125 DEGREE'S. AIRCRAFT DIVERTED TO SAN AND LANDEJun 16, 2006 · N708AA · Boeing 727223SDR CA060614001Oil Cooler · unserviceable5 FUEL COOL OIL COOLERS (FCOC) RE-CALLED FROM SOUTHWEST COOLER SERVICE INC, APPROVED SUPPLIER FOR ROLLS-ROYCE CANADA) DUE TO FAA UNAPPROVED PART NOTIFICATION NR 2005-00187. ROLLS-ROYCE CANADA HAVE RE-ROUTED 5 SUSPECT UNAPPROVED FCOCS TO SERCK AVIATION (OEM AJun 14, 2006SDR 2006FA0000501Oil Cooler · leakingFOUND WETTING OIL MAIN TRANSMISSION/ENGINE OIL COOLER CORE. REMOVED AND SENT OUT FOR EVALUATION. COOLER FOUND TO HAVE INTERNAL CORROSION THAT CAUSED MATERIAL LOSS AND SUBSEQUENT LEAKING. REPLACED COOLER WITH NEW. LEAK CHECK WAS SATISFACTORY.May 16, 2006 · N902PD · Doug MD900SDR RAIA00603027Oil Cooler · unknownFLIGHT 5491 - STL - NR 2 ENGINE AT 370FL SHOWED HIGH OIL TEMP. COULD NOT BRING BACK INTO GREEN. PRECAUTIONARY SHUTDOWN. MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE OIL COOLER.Mar 17, 2006 · N814HK · Emb EMB145LRSDR 2006FA0000260Oil Cooler · splitDURING ROUTINE RUN-UP FOLLOWING AN OIL CHANGE, AN IMMEDIATE EXPULSION OF SEVERAL QUARTS OF OIL OCCURRED IN SECONDS. (K)Mar 6, 2006 · N5496H · Cessna 172MSDR KBM2006F00116Switch · inoperativeUPON DEPRESSING EXT PWR BATT SWITCH, OIL COOLER FAN OPERATING CONTINUOUSLY. REMOVED AND REPLACED.Mar 5, 2006 · N351WM · Snias AS350B2SDR C8GA20060004Oil Cooler · failedFLT 1707 FROM PHX TO MEM. DURING CLIMBOUT NR 2 ENGINE OIL TEMP BEGAN RISING. INITATED ENGINE SHUT DOWN AS PRECAUTIONARY. EMERGENCY WAS DECLARED, AIRCRAFT RETURNED TO PHX AND LANDED WITHOUT INCIDENT. FOUND NR 2 ENGINE OIL COOLER BAD. REMOVED AND REPLACED OMar 2, 2006 · N815EA · Boeing 727225SDR HEEA108173Blower · failedAFTER COMPLETION OF THE BEFORE LANDING CHECK LIST NOTICED NR 2 ENGINE OIL TEMPERATURE AT 135 FT - 140 FT. MAINTENANCE FOUND THE NR 2 OIL COOLER BLOWER FAILED. REPLACED BLOWER.Feb 18, 2006 · N142PH · Bell 412SDR CA060213001Actuator · overheated(CAN) ABOUT TEN MINUTES AFTER TAKEOFF NR 2 ENGINE OIL TEMPERATURE STARTED RISING, CREW WENT THROUGH CHECKLIST CLOSED BYPASS DOORS, TEMPERATURE WAS ABOVE 107 DEGREES FOR ABOUT 20 MINUTES AND ABOVE 115 DEGREES FOR ABOUT 10 MINUTES. TEMPERATURE PEAKED AT 122 DEGRFeb 12, 2006 · Bombdr DHC8400SDR QXEA200600459Bypass Valve · malfunctionedAFTER T/O, NR 2 ENG OIL TEMP RISING, WENT THRU CHECKLIST. CLOSED BYPASS DOORS. TEMP ABOVE 107 DEGREES ABOUT 20 MINS & ABOVE 115 DEGREES ABOUT 10 MINS, PEAKED AT 122 DEGREES, STARTED COOLING AGAIN. ON DESCENT BACK, BY LANDING, TEMP NORMAL. MX CKD CDS, OIL TEMPFeb 12, 2006 · N416QX · Bombdr DHC8402SDR 2006FA0000100Oil Cooler · crackedCRACKED FOOT ON OIL COOLER. (K)Jan 23, 2006
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