JASC 7520

Service difficulty reports · 329

Reports filed under 7520 · Engine Cooling System, 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 = '7520'
  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 HALA2011101000451Link · brokenETOPS SIGNIFICANT SYS - DURING NR 2 ENG EXTERNAL INSPECTION, FOUND TURBINE COOLING DUCT SUPPORT LINK AT 2 O'CLOCK POS BROKEN. R & R SUPPORT LINK AND OK FOR SERVICE.Oct 10, 2011 · N597HA · Boeing 767332SDR HALA2011101000446Link · brokenETOPS SIGNIFICANT SYS - DURING NR 2 ENG. EXTERNAL INSPECTION, FOUND TURBINE COOLING DUCT SUPPORT LINK AT 2 O' CLOCK POS BROKEN. R & R SUPPORT LINK AND OK FOR SERVICE.Oct 10, 2011 · N597HA · Boeing 767332SDR UALA2011092605197Actuator · failedTURBINE CASE COOLING ACTUATOR STUCK OR REVERTED TO ITS FAIL-SAFE POSITION. TURBINE CASE COOLING LPT VALVE DEACTIVATED REF MEL 7524B; ROD END IS IN LOB. PERFORMED WIRING CHECKS PER FIM'S 75-24 TASK 805 & 806, ALL TESTED GOOD, REPLACED EEC PER MM, STILL FAULTSep 25, 2011 · N213UA · Boeing 777222SDR UALA2011082504556Actuator · faultySTATUS MSG TURB CASE COOLING HPT R. REPLACED TCC AIR VALVE ACTUATOR, OPS CHECKED OKAY. MESSAGE ERASED AND DID NOT REAPPEAR AFTER OPS CHECK & ENGINE RUN.Aug 24, 2011 · N204UA · Boeing 777222SDR UALA2011082204467Shutoff Valve · leakingNR 1 ENG RT TURBINE VANE & VANE COOLING SHUTOFF VALVE INOPERATIVE AND LEAKING AIR THRU POSITION INDICATOR PIN. REMOVED VALVE PER AMM. INSTALLED NEW VALVE.Aug 20, 2011 · N785UA · Boeing 777222SDR ASMF201108009Valve · leakingDURING TRANSIT CHECK IT WAS DETECTED A FUEL LEAK IN THE RT ENGINE WITH MORE THAN 180 DROPS PER MINUTE. MX PERFORMED REVISION DETECTING THE HPTACC VALVE WITH LEAK OUT OF OPERATION LIMIT, SO THE HPTACC VALVE WAS REPLACED IAW MM 75-21-01, TESTED CORRECT.Aug 19, 2011 · N359AM · Boeing 737800*SDR USAA2011081800008Seal · leakingFLT 1043 ENROUTE, RIGHT ENGINE OVERHEATING. THE CREW POWERED BACK THE RIGHT ENGINE AND DECLARED AN EMERGENCY. THE FLIGHT DIVERTED TO PLS AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND FOUND RING SEAL CLAMP LOOSE ON HP2 DUCT OFF TAKE. REPLAAug 15, 2011 · N938UW · Boeing 7572B7SDR CA110718008Valve · leakingAFTER ENGINE START, THE ENGINE 1 WAS LEAKING. FUEL LEAK HAS BEEN REPORTED BY GROUNDCREW. FLIGHT RETURNED TO GATE. ERS ATTENDED ACFT. ENG 1 HPTACC VALVE REMOVED AND REPLACED IAW AMM 75-21-10 PB401.Jul 16, 2011 · Airbus A320214SDR UALA2011070603336Actuator · faultyNR 2 TCC MSG. TCC ACTUATOR MANUALLY ACTUATED, OPS NORMAL. NO DISCREPANCY WITH ELEC CONNECTOR. REPLACED TCC AIR VLV ACTUATOR PER MM.Jul 6, 2011 · N655UA · Boeing 767322SDR UALA2011070503321Tube · gougedNR 2 ENGINE - LOW PRES TURBINE CASE COOLING TUBE AT 4 O'CLOCK HAS DAMAGE (GOUGED). WELDED PER AMM.Jul 2, 2011 · N182UA · Boeing 747422SDR UALA2011062703130Actuator · faultyLEFT ENGINE LOW PRESSURE (LPT) TURBINE CASE COOLING ACTUATOR IS STUCK OR REVERTED TO ITS FAIL-SAFE POSITION. INSPECTED PER MM. ALL NORMAL REPLACED TCC ACTUATOR PER MM AND RIGGED PER MM. RAN ENGINE, ALL NORMAL.Jun 25, 2011 · N797UA · Boeing 777222SDR UALA2011062002989Screen · missingNR 2 ENG FOUND OUTBOARD LOWER (APPROX 2 O`CLOCK POS) 2.5 BLEED SCREEN MISSING. FOUND SCREEN ON BOTTOM OF ENG. ACCOMPLISHED REMOVAL OF SCREEN AND RIVET STEMS IAW AMM.Jun 18, 2011 · N216UA · Boeing 777222SDR EE4Y20110387Pad · wornENGINE NR 2, FAN COWL, FWD UPPER CORNERS PADS WITH WEAR. THE CORNER-PADS WEAR REQUIRE A MAJOR REPAIR IAW SRM GUIDELINES.Jun 18, 2011 · N506NK · Airbus A319132SDR UALA2011053102662Duct · crackedNR 1 ENGINE, TURBINE CASE COOLING DUCT HAS A HOLE IN IT AND IS CRACKED. DUCT IS LOCATED ABOVE LOW PRESSURE TURBINE CASE COOLING VALVE. DUCT IS LOCATED ON RT SIDE OF ENGINE AND IS ALSO ABOVE THE TURBINE CASE COOLING HPT AIR VALVE. REMOVED TURBINE CASE COOLINMay 30, 2011 · N223UA · Boeing 777222SDR SIMA201113102Tube · crackedON FLIGHT 4479 THE CREW REPORTED THAT DURING CRUISE RECEIVED A HIGH INTERMEDIATE TURBINE TEMERATURE. THE CAPTAIN DECLARED AN EMERGENCY AND DIVERTED TO BOS. THE AIRCRAFT HAD A HIGH ITT EXCEEDANCE UPON LANDING. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED May 9, 2011 · N816AE · Emb EMB135KLSDR CA110429005Retainer · brokenENGINE COOLING BAFFLE LOWER LT RETAINING SPRING FOUND BROKEN DURING INSPECTION. COOLING BAFFLE WAS CONTACTING NR 5 CYLINDER ROCKER BOX OIL RETURN LINE RESULTING IN SUBSTANTIAL CHAFING TO OIL LINE. RETAINER, SPRING AND OIL LINE REPLACED.Apr 27, 2011 · Robsin R44RAVENIISDR UALA2011030401059Shutoff Valve · unserviceableNR 2 ENGINE OB TVBC INDICATOR PIN MISSING. NR 2 ENGINE OB TVBC VALVE INDICATOR PIN MISSING. REMOVED OB TVBC AIR SHUTOFF VALVE. REPLACED TVBC VALVE PER MM, OPS CHECK GOOD.Mar 3, 2011 · N783UA · Boeing 777222SDR UALA2011011300213Duct · missingNR 1 ENG ESN 726631 TRANSITION DUCT SECTION BETWEEN HPT-LPT HAS BROKEN LOOSE AND CONTACTED THE LPT 3. DUCT SECTION MISSING AT 6:OO POS. REPLACED ESN 726631 WITH ESN 717942 IN POS 01 PER TOD.Jan 14, 2011 · N515UA · Boeing 757222SDR UALA2010090703271Precooler · crackedNUMBER 1 ENGINE BLEED PRECOOLER CRACKED. NR 1 ENG BLEED AIR PRECOOLER LH LOWER BROKEN, LEAKING HOT BLEED AIR SEVERELY. REPLACED WITH NEW PRECOOLER BY OSV-AMECO-056269, NO LEAK FOUND.Sep 7, 2010 · N229UA · Boeing 777222SDR VNAA2010090900001Duct · crackedAT 16,000 FEET AFTER DEPARTURE FROM GPT, CREW REPORTED LEFT ENGINE OIL PRESSURE DROPPED TO ZERO AND THEN DISPLAYED DASHES. FUEL FEED TEMPERATURE ALSO DISPLAYED DASHES. CREW RETURNED TO GPT AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT AND FOUND THE LSep 1, 2010 · N702PS · Cndair CL6002C10SDR AALA20100816LAX01Clamp · looseDURING FLIGHT CHECK RIGHT ENGINE LOW POWER ON CLIMB. FOUND PT2 FLEX LINE LEAKING MULTIPLE LOCATIONS UNDER PRESSURE. FOUND THE PNEUMATIC DUCT CLAMPS LOOSE IN THE PYLON BY THE FAULTY PT2 FLEX LINE. TIGHTENED CLAMPS NO DISCREPANCIES NOTED. SYSTEM GROUND CHECKAug 16, 2010 · N7528A · Doug DC982SDR FDEA201008042806Manifold · damagedNR 2 ENGINE OTBD TURBINE CASE COOLING MANIFOLD HAS HAS HOLES WORN IN THE MAIN DUCT CONNECTION. REMOVED, REPAIRED AND REINSTALLED NR 2 ENG OTBD TURBINE CASE COOLING MANIFOLD IAW AMM 75-24-10-4. LEAK CHECK GOOD IAW AMM 71-00-00-5-03.Aug 4, 2010 · N417FE · Airbus A310222SDR FDEA201008042805Duct · wornNR 2 ENGINE INBD SIDE HAS FASTENERS LOOSE ON BLEED AIR DUCT. REMOVED, REPAIRED AND REINSTALLED NR 2 ENG INBD BLEED AIR DUCT AND MANIFOLD IAW AMM 75-24-10-4. LEAK CHECKED GOOD IAW AMM 71-00-00-5-03.Aug 4, 2010 · N417FE · Airbus A310222SDR FDEA201008042804Manifold · worn(1) ENGINE LPT TCC LT BLEED AIR CONNECTOR HAS A LOOSE BOLT. R & R AND REINSTALLED THE NR 1 ENG LT TURBINE CASE COOLING MANIFOLD AND DUCT IAW A310-200 AMM 75-24-09-01. LEAK CHECKED GOOD IAW AMM 71-00-00-5-03.Aug 4, 2010 · N417FE · Airbus A310222SDR CNMA20100024Duct · blownNR 1 ENGINE FIRE WARNING DURING CLIMB OUT AT 13000 FT. N1'S 103.5. FIRE WARNING EXTINGUISHED WHEN THROTTLE WAS RETARDED. COMPLIED WITH QRH 4-1-1-1. INSP NR 1 ENG FOUND BLOWN DUCT FOR HP RECOUP AIR ASSY. REPLACED NR 1 ENG HP RECOUP AIR ASSY DUCT WITH SERVICMay 14, 2010 · N603AX · Doug DC1030SDR NSVA201074Filter · dirtyABORTED TAKEOFF NR 1 BLEED HOT LIGHT ILLUMINATED. CLEANED FILTER AND OPS CHECK GOOD.Apr 18, 2010 · N208WQ · Bombdr DHC8402SDR NSVA201073Tube · defectiveABORTED TAKEOFF FOR LEFT ENGINE OVERTEMP LIGHT ILLUMINATED. REMOVED AND REPLACED HIGH PRESSURE BLEED TUBE.Apr 18, 2010 · N204CJ · Saab 340BSDR C8GA201000004Duct · separatedFLT 2739 FROM ATL TO TOL. DURING CLIMB OPERATION AN AIRFRAME VIBRATION WAS NOTED AND ISOLATED TO THE NR 2 ENGINE. AIRCRAFT RETURNED TO ATL WHERE IT LANDED WITHOUT INCIDENT. POST FLIGHT INSPECTION WAS PERFORMED. IT WAS NOTED THAT THE 8TH STAGE DUCT SEPARATEMar 4, 2010 · N708AA · Boeing 727223SDR QXEA2009102000828Duct · contaminatedRECEIVED SMOKE AFT LAVATORY WARNING LIGHT AFTER TAKEOFF. FA REPORTED SMELLING UNUSUAL ODOR. LIGHT WENT OUT. RETURNED TO FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. LANDING WAS ESTIMATED AT 69,500 LBS WITH A DESCENT RATE OF 100-200 FPM. DRIED INTERNAL ENGOct 16, 2009 · N610QX · Cndair CL6002C10SDR YENA20090908111Valve · leakingFLT 1781 MCO-NAS UPON LANDING IN NAS AN ENGINE FIRE 1 INDICATION APPEARED. AFTER TAXIING CLEAR, STOPPED AIRCRAFT, PERFORMED QRH FOR ENGINE FIRE ON GROUND. MESSAGE CLEARED AFTER THE FIRE WENT AWAY AND THE ENGINE SHUTDOWN. FOUND HPTACC (HIGH PRESS TURB ACTIVESep 3, 2009 · N258JB · Emb ERJ190100IGWSDR IPXA09556847Bracket · crackedINSPECTION TYPE:C1 NR 1 ENGINE 9:00 POSITION TURBINE COOLING DUCT BRACKET IS CRACKED. REMOVED AND REPLACED COOLING DUCT BRACKET ON NR 1 ENGINE 9:00 POSITION.Jul 18, 2009 · N475UP · Boeing 75724APFSDR CHQA200900094Precooler · faultyFLIGHT 5306, STL TO EWR. DURING CLIMB AT FL150 THE AIRCRAFT ENTERED LIGHT ICING. THE ANTI-ICING SYSTEM ACTIVATED NORMALLY THEN AFTER A FEW SECONDS THE CREW RECEIVED A BLEED 1 OVERTEMP MESSAGE ON EICAS. THE QRH WAS FOLLOWED AND IT WAS DECIDED TO RETURN TO STMar 31, 2009 · N372SK · Emb EMB135KLSDR 2008UALA05731Actuator · leakingNR 2 ENG, TURBINE CASE COOLING ACTUATOR IS LEAKING FUEL AT A RATE OF 30 DROPS PER MINUTE.Sep 14, 2008 · N655UA · Boeing 767322SDR UALA2008111305396Valve · faultyNR 2 ENGINE LT LOWER TURBINE VANE AND BLADE COOLING AIR VALVE WAS FOUND IN THE CLOSED POSITION. BEGAN REMOVAL OF NR 2 ENGINE LT LOWER TVBC VALVE. VALVE IN POSITION ON ENG WITH NEW FLANGE AND LARGE DUCT GASKET INSTALLED. THREE BOLTS LOOSELY INSTALLED ON FLANAug 22, 2008 · N223UA · Boeing 777222SDR F3LA200800227Support Bracket · crackedDURING C3 S1 C CHECK INSPECTION NOTED CRACK IN LPT COOLING TUBE SUPPORT BRACKET ON LEFT ENGINE RIGHT SIDE APPROXIMATELY FOUR O'CLOCK POSITION. MAINTENANCE REMOVED AND INSTALLED NEW LPT COOLING SUPPORT BRACKET ON LEFT ENGINE RIGHT SIDE IN ACCORDANCE WITH THE RMay 1, 2008 · N925FR · Airbus A319111SDR DL76S080297Elbow · crackedL ENG FIRE LP1 STATUS MESSAGE ABOUT 15 MINUTES INTO FLIGHT FOLLOWED BY ILLUMINATION OF L ENGINE FIRE WARNING LIGHTS. ENGINE SHUTDOWN IN ACCORDANCE WITH QRH. NOTE, FIRE SWITCH WAS PULLED, HOWEVER, FIRE BOTTLE WERE NOT DISCHARGED. FOUND NR 1 ENG LT HIGH PRESSFeb 29, 2008 · N126DL · Boeing 767332SDR DL76L061060Idg · inoperativeLEFT IDG VALVE STATUS MSG ILLUMINATED DURING TAXI MOMENTARILY CLEARED AND ILLUMINATED RETURNED TO GATE. VERIFIED IDG VALVE OPEN PER MEL FWD TO MCO AND PLAC PER MEL 75-21-01C. REPLACED NR 1 ENG IDG PER MM. OPS AND LEAK CKS OK. INDICATION NORMAL REMOVED MCO Dec 23, 2006 · N172DN · Boeing 767332SDR HALA0600726Valve · malfunctionedETOPS SIGNIFICANT SYSTEM, EICAS MX MSG R NAC VENT VAL DIS PLAYED. REPLACED RT NAC VENT VALVE PER M/M 75-23-02.Sep 15, 2006 · N588HA · Boeing 767300SDR CNMA20060018Manifold · crackedDURING THE TAKEOFF ROLL NR 3 ENG EGT BEGAN TO CLIMB ABOVE 950 DEGREES. THE ENGINEER PULLED NR 3 THROTTLE BACK ATTEMPTING TO BRING NR 3 EGT INTO LIMITS, THE CORRESPONDING DROP IN N1 WAS ALREADY AT 5 PERCENT LESS THAN THE N1 LIMIT AND THE EGT WAS STILL EXCEEDINAug 2, 2006 · N270AX · Doug DC1030SDR SWAA062658Valve · out of positionAIR TURN BACK, HIGH POWER SETTING NR 1 ENGINE OVERHEAT LIGHT AND FIRE LIGHT ILLUMINATED. REPOSITIONED CLAMPS ON HIGH PRESSURE TURBINE ACTIVE CLEARANCE CONTROL VALVE PER MM.Jul 22, 2006 · N790SW · Boeing 7377H4SDR P5CA0601481Manifold · defectiveON INITIAL CLIMB, AFTER FLAP RETRACTION, EICAS CAUTION MESSAGE OVHT ENG 1 NAC. COMPLIED WITH CHECKLIST AND MESSAGE CLEARED, TRIED TO CONTINUE WITH CLIMB, MESSAGE RETURNED. RETURN TO LAX. REMOVE AND REPLACE NR 1 ENGINE TWELVE SEGMENT LPT COOLING AIR MANIFOLDMay 16, 2006 · N450PA · Boeing 74746NFSDR P5CA0601841Manifold · faultyON INITIAL CLIMB, AFTER FLAP RETRACTION, EICAS CAUTION MESSAGE OVHT ENG 1 NAC. COMPLIED WITH CHECKLIST AND MESSAGE CLEARED, TRIED TO CONTINUE WITH CLIMB, MESSAGE RETURNED. RETURN TO LAX. REMOVE AND REPLACE NR 1 ENGINE TWELVE SEGMENT LPT COOLING AIR MANIFOLDMay 16, 2006 · N450PA · Boeing 74746NFSDR 2005000003Clamp · looseDURING CLIMB AT APPROXIMATELY 240 FT, NR 1 ENGINE A-LOOP LIGHT ILLUMINATED ACCOMPLISHED QRH PROCEDURES ALL OTHER ENGINE INDICATIONS NORMAL. UPON LEVEL OFF AT FL 290 NR 1 ENG INDICATED ENG FIRE, ALL OTHER ENG INDICATIONS NORMAL. FOUND LOOSE PNEUMATIC DUCT CLAApr 21, 2005 · N810AX · Doug DC1030SDR BA05007Solenoid · failedAFTER TAKEOFF, CREW RECEIVED MULTIPLE ECAM WARNINGS: ENGINE NR 1 BLEED LOW TEMP, APU AFT FUEL PUMP, PACK NR 2 AIR INLET FLAP ACTUATOR FAIL, PACK 2 INLET PRESSURE SENSOR AND NAC COOL VALVE FAILURE. FLIGHT RETURNED TO PHL AND LANDED WITHOUT FURTHER INCIDENT. MMar 22, 2005 · N670UW · Airbus A330323SDR CA040706005Blade · crackedCRACKED BLADE. REPLACED FAN WHEEL.Jun 17, 2004 · Robsin R22BETASDR 2003UALA00841Rod End · wornNR 3 ENG TURBINE CASE COOLING (TCC) CABLE FWD SUPPORT LINK ROD END WORN OUT AND DISCONNECTED. MAJOR REPAIR ACCOMPLISHED. REPLACED SUPPORT LINK ROD END.Nov 3, 2003 · N127UA · Boeing 747422SDR QXEA200301137Valve · malfunctionedON FLIGHT 2208 BLEED SMOKE IN CABIN. REMOVED AND REPLACED NO.2 ENGINE P2.5/P3 SWITCHING VALVE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.Sep 16, 2003 · N354PH · Dhav DHC8202SDR ABXA030341Valve · malfunctionedDURING CLIMBOUT AT 20,000 FEET, RECEIVED FIRE WARNING BELL, EICAS MSG AND FIRE LIGHT IN HANDLE. WHEN POWER REDUCED TO IDLE ALL INDICATION OF FIRE CEASED. OVERWEIGHT LANDING SINK RATE LESS THAN 260 FPM WITH LOW SINK RATE. REPLACED BOTH AFT LOOPS IAW B767 MM.Aug 21, 2003 · N789AX · Boeing 767281SDR 03FDEA00448Manifold · dentedNR 1 ENGINE SIDE LONGITUDINAL CDP AIR 14TH STAGE MANIFOLD FWD END 90 DEG ELBOW PART HAS 2 EA ADJACENT DENTS. CLOSING ACTION ON 04/14/03. ON N/R 00425. REMOVED AND REPLACED CDP AIR TUBE MANIFOLD AT 14TH STAGE IAW M/M 75-00-04-4.Apr 15, 2003 · N320FE · Doug DC1030SDR P5CA0300785Tube · rupturedNR 4 ENG 13TH STAGE TURBINE CASE COOLING DUCT RUPTURED AND BLEW THRU LT REVERSER HALF. REPLACED 13TH STAGE COOLING DUCT & LT REVERSER HALF.Mar 31, 2003 · N921FT · Boeing 747283B
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