JASC 7530

Service difficulty reports · 903

Reports filed under 7530 · Compressor Bleed Control, 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 = '7530'
  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 TWRA9557Eng Vane Control · failedNR 1 ENGINE STALLED AT TOP OF DESCENT. EGT MAX 778 DEGREES, ENGINE SHUT-DOWN. RE-LIT NORMAL IN DESCENT AT FLIGHT LEVEL 280. ENGINE OPS NORMAL REMAINDER OF FLIGHT. REMOVED AND REPLACED EVC. OPS CHECK OK. (X)Oct 29, 1995 · N604FF · Boeing 747121SDR RAIA951037Gasket · leakingFLT NR 7431 - CMI - RIGHT ENGINE BETA LIGHT ILLUMINATED IN FLIGHT. MAINTENANCE REMOVED AND REPLACED ENGINE BLEED AIR GASKETS. INSPECTED BETA SWITCH AND GROUND RAN AIRCRAFT, CHECKS GOOD. (M)Oct 26, 1995 · N433AM · Bag JETSTM3201SDR WTAA950283Gasket · blownFAT - RIGHT ENGINE TORQUE AND EGT FLUCTUATION REPORTED DURING TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. MAINTENANCE REPLACED RIGHT ENGINE P3 BLANKING CAP GASKET. ENGINE PERFORMANCE REPORTED NORMAL DURING GROUND RUNS. AIRCRAFT RETURNED TO SERVICE. (MOct 18, 1995 · N430UE · Bag JETSTM3101SDR RAIA951022Gasket · leakingJLN - FLT NR 7060 - LEFT ENGINE DID NOT MAKE TORQUE. MAINTENANCE REPLACED LEFT ENGINE BLEED AIR GASKETS. GROUND PERFORMANCE RUNS OK. (M)Oct 17, 1995 · N431AM · Bag JETSTM3201SDR 96ZZZX653Stator Vanes · crackedMDW - LEFT ENGINE SURGE DURING DECELERATION. ENGINE PARAMETERS NORMAL AFTER SURGE. REMOVED AND REPLACED LEFT ENGINE. FOUND CRACKED STATOR VANES.Oct 14, 1995 · N756AT · Boeing 7572Q8SDR 96ZZZM84Bleed Linkage · wornIND - LEFT ENGINE POWER FLUCTUATES AT 9 CONSTANT POWER SETTINGS. FL 27,000, OAT -29, MACH .80, N1 77.8 TO 78.3, EPR 1.03 TO 1.04 EGT 415 TO 418. PERFORMED FIM PROCEDURES PER FIM 73-21-00 FIG 107. FOUND 2.5 BLEED LINKAGE WORN TO .125 INCH ITEM PLACED ON MCI Oct 5, 1995 · N750AT · Boeing 757212SDR 95ZZZM654Eva Tube · leakingLEFT BLEED AIR FAIL ILLUMINATED IN FLIGHT, RETURNED TO IAD. REPAIRED HOLE IN EVA TUBE DUE TO CHAFING.Oct 2, 1995 · N39019 · Beech 1900CSDR 95FDEA01428Duct · failedDURING T/O ROLL, NR 1 ENG N1 IND DROPPED APPROX 10 PERCENT. ADJUSTED THROTTLE TO MATCH N2 AND FUEL FLOW, NO CHANGE NOTED IN N1, EGT IND 910 DEGREES, APPROX 50 DEGREES HIGHER THAN ENG NR 2 AND NR 3. AT APPROX 300 FEET NR 1 FIRE WARNING AND BELL RECEIVED. ACSep 26, 1995 · N322FE · Doug DC1030FSDR SRAA99512Filters · cloggedAT TOP OF DESCENT INTO MIA AT 43,000 FEET, NR 2 ENGINE STALLED AS THRUST BEING REDUCED, SHUT DOWN ENGINE, EGT AT 950 DEGREES, ENGINE RESTARTED NORMALLY AT 16,000 FEET. TROUBLESHOT ENGINE FOUND ENGINE BLEED CONTROL FILTER CLOGGED. REPLACED FILTER, PERFORMED ESep 25, 1995 · N745SJ · Boeing 747212BSDR 9514036730Evc · malfunctionedDURING TAKEOFF, THE NR 1 ENGINE SLOW TO ACCELERATE WITH HIGH EGT AT 700 DEGREES. CREW FOLLOWED OPERATING MANUAL AND ABORTED TAKEOFF AT 40 KNOTS. MAINTENANCE REPLACED THE NR 1 ENGINE EVC, GROUND RUN TRIMMED, OPERATION AND LEAK CHECK TESTED NORMAL.Sep 9, 1995 · N630US · Boeing 7472J9FSDR 95ZZZX6276Bolt · looseFLT 4228 - CREW ELECTED TO RETURN TO FIELD AFTER EXPERIENCING A P/L SPLIT IN CRUISE CONFIGURATION. PIT MAINTENANCE INSPECTED AIRCRAFT AND DISCOVERED BLEED AIR ADAPTER ATTACH BOLTS WERE LOOSE, TIGHTENED BOLTS IAW MM 75-00-00. OPS CHECKED GOOD. AIRCRAFT RETURAug 24, 1995 · N427JS · Dorner DO328100SDR P5CA9500716Engine Vane Cont · malfunctionedAT TAKEOFF, UNABLE TO REACH TARGET BEFORE HITTING STOPS. REPLACED ENGINE VANE CONTROL.Aug 22, 1995 · N830FT · Boeing 747121SDR VTZA95253O-Ring · failedFLT NR 6330 - IAD-PIT - DURING CLIMB-OUT, RETURNED TO IAD DUE TO THE LEFT DUCT FAIL LIGHT ILLUMINATING. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED THE O-RINGS ON THE LEFT ENGINE BLEED DUCT COUPLING. AIRCRAFT WAS RELEASED AND APPRAug 17, 1995 · N307UE · Jetair JETSTM4101SDR DLL10953384Valve Shroud · brokenON SHORT FINAL HAD NR 2 FIRE WARNING BOTH LOOPS, SHUTDOWN PER POM. DID NOT FIRE BOTTLE, NO SECONDARY INDICATIONS. FOUND HP BLEED VALVE DUCT SHROUD BROKEN. SUSPECT WHEN THROTTLES PULLED BACK FOR DESCENT, BLEED VALVE OPENS AND DUMPS HOT AIR UNDER CORE COWAug 13, 1995 · N727DA · Lkheed 10113851SDR 9512171152Override Valve · malfunctionedDURING LANDING ROLL, THE NR 1 ENGINE EXPERIENCED A COMPRESSOR STALL WHILE IN REVERSE THRUST. THE EGT WENT TO 910 DEGREES AND THE ENGINE WAS SHUTDOWN. THE ENGINE WAS INSPECTED AND THE 3.0 BLEED OVERRIDE SOLENOID VALVE WAS REPLACED. GROUND RUNUP CONFIRMED PROAug 9, 1995 · N152US · Doug DC1040SDR 9512163204Vbv · malfunctionedDURING CLIMB, NR 2 ENGINE EGT REACHED 890 DEGREES AND NEVER COOLED BELOW 850 DEGREES. THE AIRCRAFT RETURNED TO MSP WHERE AN UNEVENTFUL LANDING TOOK PLACE. THE VBV AND A SHEARED FLEX SHAFT WERE REPLACED. GROUND RUNUP CONFIRMED PROPER ENGINE OPERATION.Aug 8, 1995 · N304US · Airbus A320211SDR 95ZZZX4288Sense Line · brokenDURING CRUISE, NR 3 ENGINE'S FUEL FLOW AND EGT BEGAN TO CLIMB WITH LOWER RPM'S AT SAME THROTTLE SETTING AS NR 1 AND NR 2 ENGINES. OK, PRESSURE GOOD, NO VIBRATION NOTED. REDUCED POWER TO IDLE FOR ABOUT 1.50 HOURS, INBOUND TO EWR. FOUND 13TH STAGE AIR PRESSURAug 1, 1995 · N400RG · Boeing 72722SDR TWRA9542Vane Control · malfunctionedDURING CRUISE AT FL 35.0, NR 1 ENGINE FLAMED OUT UNABLE TO RESTART DESCENDED TO 24,000 FEET RESTARTED ENGINE. NO ENGINE RESPONSE TO THRUST LEVER MOVEMENT SHUT DOWN ENGINE RETURNED TO JFK. FOUND NR 1 ENGINE EVC AT FAULT. REMOVED AND REPLACED EVC, OPS CHECK NJul 27, 1995 · N608FF · Boeing 747131SDR SIMA952071Switching Valve · stickingMKG - FLT NR 4108 - ELECTRICAL SMOKE LIGHT ILLUMINATED DURING TAXI. SMOKE SMELL WAS PRESENT IN THE COCKPIT AND CABIN. AIRCRAFT RETURNED TO GATE WITH NO INCIDENT. MAINTENANCE FOUND NR 1 ENG P.2.5/P.30 SWITCHING VALVE STUCK IN P3.0 POSITION. SWITCHING VALVE WJul 26, 1995 · N266AT · Aerosp ATR42300SDR CAL950591Stator Support · failedFLT NR 0554 - MCO - THE NR 2 ENGNIE FAILED WITH A LOUD POP AND FLAME SEEN IN THE EXHAUST DURING TAKEOFF ROLL AT 60 KNOTS. THE TAKEOFF WAS REJECTED AND THE AIRCRAFT WAS RETURNED TO THE GATE. MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE. TEARDOWN REVEALEDJul 12, 1995 · N13881 · Doug DC981SDR GRAA9537Bleed Sense Line · looseON THE 8TH OF JULY, 1995, AIRCRAFT N1075T EXPERIENCED A LOW SPEED TAKEOFF ABORT. AIRCRAFT RETURNED TO GATE AT LAUGHLIN/BULLHEAD CITY, AIRPORT. MAINTENANCE DISCOVERED A MALFUNCTIONING ENGINE COMPRESSOR BLEED AIR VALVE CONTROL SYSTEM CAUSED THE RIGHT ENGINE TOJul 8, 1995 · N1075T · Doug DC987SDR JBXA950601Vsv Actuator · inoperativeBOS/RDU - FLT 16 - GOT ECAM MESSAGE, "NR 2 COMPRESSOR VANE MESSAGE". FOLLOWING MESSAGE, ENGINE SURGED. ENGINE WAS SHUT DOWN. LANDING WAS UNEVENTFUL. POST-FLIGHT REPORT REVEALED ENGINE HAD EXCEEDED ALLOWABLE EGT LIMITS. ENGINE WAS REMOVED AND REPLACED. (XJun 27, 1995 · N300ML · Airbus A320231SDR 95ZZZX3958Duct Shims · failedON CLIMB-OUT, NR 1 ENGINE STRUT OVERHEAT LIGHT CAME ON, THROTTLE BACK LIGHT WENT OUT. RETURNED TO MIA, FOUND AIR LEAK IN AREA OF 13TH STAGE SUPPLY DUCT MOUNT FLANGE. REPLACED SHIMS IN DUCT FLANGE. ENGINE RUN-UP TO TAKEOFF POWER AND LEAK CK FOUND OK.Jun 25, 1995 · N8866E · Boeing 727225SDR RAIA950632Gaskets · leakingSMF - FLT 4720 - RT ENGINE TARGET TORQUE SHY BY 70 PERCENT. MAINTENANCE REPLACED RT ENGINE P3 BLEED AIR GASKETS. GROUND RUNS REVEALED NORMAL OPERATION. (X)Jun 23, 1995 · N866AE · Bag JETSTM3201SDR RAIA950614Gaskets · leakingFAT - FLT NR 4752 - RT ENGINE COULD NOT MAKE TARGET TORQUE. MAINTENANCE REPLACED RT ENGINE BLEED AIR GASKETS. GROUND RUNS REVEALED NORMAL OPERATION. (M)Jun 13, 1995 · N864AE · Bag JETSTM3201SDR RAIA950603Gaskets · leakingSTL - FLT 7364 - LT ENGINE TORQUE BYPASSED AT 86 PERCENT. MAINTENANCE REPLACED LEFT BLEED AIR GASKETS AND ADJUSTED LEFT EGT COMPENSATOR PER GARRETT DSC SHEET SETTINGS. GROUND RUNS REVEALED NORMAL OPERATIONS. (M)Jun 2, 1995 · N337TE · Bag JETSTM3201SDR CAL950426Duct Assy · rupturedEWR - FLT 0487 - THE NR 1 ENGINE FIRE WARNING LIGHT ILLUMINATED AFTER TAKEOFF FROM EWR. THE AIRCRAFT WAS RETURNED TO EWR WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NR 1 ENGINE 14TH STAGE DUCT RUPTURED WITH RESULTANT DAMAGE TO ENGINE COWLING AND May 29, 1995 · N13983 · Airbus A300B4103SDR SWIA95586Valve · mis installedAFTER TAKEOFF, THE RIGHT RED DUCT LIGHT ILLUMINATED. COMPLETED CHECK LISTS AND SHUTDOWN THE RIGHT ENGINE, AIRCRAFT RETURNED TO AIRPORT. FOUND THE RIGHT DE-ICE PRESSURE REGULATING VALVE INSTALLED BACKWARDS, CAUSING BLEED AIR TO VENT INFO FWD WING BOOT FAIRINGMay 28, 1995 · N217SW · Emb EMB120ERSDR AALA950971Transducer · defectiveDFW - FLT 1366 - DESCENT THROUGH 26,000 FEET, A FUEL SMELL WAS NOTICED IN COCKPIT AND CABIN. ON LEVEL OFF AT 24,000 FEET, NR 1 ENGINE APPEARED TO HAVE FLAMED OUT. DID ENGINE SHUT DOWN PROCEDURE FOLLOWED BY IN-FLIGHT RE-START PER QRH PROCEDURES. ENGINE OPERAMay 27, 1995 · N633AA · Boeing 757223SDR AWXA9500310Shutoff Valve · shortedPHX-DFW - FLT 544 - DURING CRUISE, THE NR 2 BLEED VALVE CIRCUIT BREAKERS POPPED AND WOULD NOT RESET. PILOT ELECTED TO RETURN TO PHX DUE TO KNOWN ICING CONDITIONS. AC LANDED WITHOUT FURTHER PROBLEMS. MX REMOVED AND REPLACED NR 2 ENGINE BLEED AIR SHUTOFF VALVMay 22, 1995 · N2FOR · Boeing 737275SDR UPS403190Clamp · failedFLIGHT CREW REPORTED, FIRE INDICATION ON NR 2 ENGINE. SHUTDOWN ENGINE VIA CHECKLIST. ALL INDICATIONS OF FIRE OUT, FL 330, TIME 0355Z. AFTER ENGINE WAS SECURED, OIL PRESSURE MAINTAINED 18-20 PSI, DISCHARGED FIRE BOTTLE. REMOVED AND REPLACED FIRE BOTTLE PER May 8, 1995 · N671UP · Boeing 747123FSDR MALA954414Bleed Air · odorMSP - FLT 3235 - EN ROUTE, CREW NOTED A HOT SMELL FROM THE RIGHT BLEED SYSTEM. THE CREW SHUT OFF THE RIGHT BLEED SYSTEM AND THE SMELL DISSIPATED. THE AIRCRAFT CONTINUED TO MSP. THE SYSTEM IS CURRENTLY DEFERRED UNDER MEL 21-9C. (X)Apr 16, 1995 · N160MC · Swrngn SA227ACSDR DLL17951604Sense Line · brokenON CLIMBOUT, GOT NR 2 ENG REVERSER LIGHT ON S/O PANEL, ACCOMPANIED BY A VIBRATION LIGHT AND NOTICABLE VIBRATION. SHUT NR 2 DOWN, RETURNED FRA. FOUND TWO SENSE LINES TO PRSOV BROKEN. ALSO, ACOUSTIC PANELS AT TOP HALF COLLAPSED. REPLACED PANELS AND SENSE LINEApr 13, 1995 · N767DA · Lkheed 10113853SDR RAIA950411Gasket · leakingSTL - FLT 7302 - LEFT ENGINE PRODUCED LOW POWER. MAINTENANCE REPLACED LEFT ENGINE BLEED GASKETS. GROUND RUNS REVEALED NORMAL OPERATION. (M)Apr 7, 1995 · N422AM · Bag JETSTM3201SDR 95ZZZX2203Flow Modulator · malfunctionNR 2 ENGINE TORQUE SPLIT LOW WHEN THE AIRYCRAFT WAS PICKED UP TO A HOVER. CYCLED FLOW FENCE WITH SHOP AIR, LUBED ACTUATOR, CHECKED OPERATING RANGE. RETURNED TO SERVICE.Apr 6, 1995 · N136AE · Bolkms BK117B2SDR 95UAL737043Drive Motor · malfunctionedNUMBER ONE ENGINE EXHAUST GAS TEMPERATURE WENT TO 947 DEGREES FOR LESS THAN TEN SECONDS ON TAKEOFF ROLL. ABORTED TAKEOFF AT 110 KNOTS, SHUTDOWN ENGINE. FOUND BLEED VALVE DRIVE MOTOR INTERMITTENTLY STICKING OPEN. REPLACED BLEED VALVE DRIVE MOTOR. CHECKS OK.Apr 3, 1995 · N325UA · Boeing 737322SDR 95ZZZX2204Tube Assy · looseIN FLIGHT, AIRCRAFT WAS UNABLE TO MAINTAIN N2 RPM. RETURNED TO BASE. FOUND CUSTOMER BLEED AIR LINE LOOSE AT FIREWALL FITTING.Apr 1, 1995 · N5418A · Bolkms BO105CBSSDR CAL950246Stator Support · broken outIAD - FLT 0712 - PILOT REPORTED NR 1 ENGINE FAILURE WHILE EN ROUTE FROM IAD TO BOS. THE AIRCRAFT WAS DIVERTED TO IAD WHERE IT LANDED WITHOUT INCIDENT. THE NR 1 ENGINE WAS REMOVED AND REPLACED AFTER BORESCOPE OF THE 6TH AND 7TH STAGE COMPRESSOR SECTION FOUND Mar 31, 1995 · N14818 · Doug DC982SDR RAIA950320Gaskets · blownSTL - FLT 7308 - LEFT ENGINE FAILED TO ACHIEVE TARGET TORQUE. MAINTENANCE REPLACED LEFT ENGINE BLEED AIR GASKETS. GROUND POWER RUNS REVEALED NORMAL OPERATION. (X)Mar 14, 1995 · N343TE · Bag JETSTM3201SDR RAIA950317Gaskets · wornSTL - FLT 7088 - RT ENGINE ONLY ACHIEVED 82 PERCENT TORQUE. MAINTENANCE REPLACED BLEED AIR GASKETS ON THE RIGHT ENGINE. GROUND POWER RUNS REVEALED NORMAL OPERATION. (W)Mar 13, 1995 · N424AM · Bag JETSTM3201SDR RAIA950311Gaskets · wornSTL - FLT 7094 - THE RT TORQUE LOW, ENGINE BYPASS AT 98 PERCENT. MAINTENANCE REPLACED RT ENGINE BLEED AIR GASKETS. (W)Mar 11, 1995 · N431AM · Bag JETSTM3201SDR DL757951037Actuator · faultyDURING CRUISE, HAD SVA FAILSAFE MSG, NR 2 ENGINE FLAMED-OUT. LANDED RDU. RAN ENGINE PER PFHB TEST 14 SVA, TEST NORMAL. FERRIED AC TO ATL. REPLACED STATOR VANE ACTUATOR, RETURNED TO SERVICE.Mar 8, 1995 · N632DL · Boeing 757232SDR RAIA950305Valve · inopTHE ACFT WOULD NOT PRESSURIZE ABOVE 8500 FEET OR 3.3 PSI DIFF. MAINTENANCE REPLACED THE BLEED AIR SHUT OFF. (W)Mar 4, 1995 · N436AM · Bag JETSTM3201SDR 95UAL767009Bleed Control · failedON TAKEOFF ROLL NR 2 ENGINE WOULD NOT PRODUCE FULL POWER. REPLACED ENGINE VANE AND BLEED CONTROL.Feb 28, 1995 · N605UA · Boeing 767222SDR SWIA95535Flow Valve Line · loose3 MIN AFTER TO, RIGHT DUCT LEAK WARNING CAME ON. DECREASED POWER AND LIGHT STAYED ON. SHUT DOWN THE RIGHT ENGINE AND RETURNED TO FIELD. LIGHT STAYED ON FOR FOUR MINUTES AFTER ENGINE SHUT DOWN. TIGHTENED LOOSE LINE ON FLOW VALUE. OPS CHECKS GOOD. SEE FL 7Feb 26, 1995 · N212SW · Emb EMB120ERSDR CAL950143Duct Assy · rupturedFLT NR 668 - MCO - THE NR 1 ENG EXPERIENCED BLEED LOSS AND FIRE WARNING AFTER TAKEOFF. THE EGT ROSE TO 955 DEGREES. THE NR 1 ENGINE THRUST WAS REDUCED AND THE FIRE WARNING CEASED. THE A/C WAS RETURNED TO MSO WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUFeb 22, 1995 · N13983 · Airbus A300B4103SDR 95ZZZX1521Strap · fracturedENGINE WOULD NOT DEVELOP TAKEOFF THRUST. BLEED VALVE STRAP FOUND FRACTURED. AN EVALUATION (CONDITION REPORT) INDICATES FAILURE DUE TO FLUTTER AND HIGH-CYCLE FATIGUE BROUGHT ABOUT BY EXCESSIVE LOADING OF ONE OR MORE BLEED VALVE SPHERICAL BEARINGS. THIS APPEAFeb 21, 1995 · N58JF · Gulstm G1159SDR CAL950140Duct · rupturedFLT NR 288 - EWR - TAKEOFF WAS ABORTED AT 60 KNOTS AFTER THE NR 1 ENGINE N1 DROPPED AND THE EGT ROSE TO 950 DEGREES. MAINTENANCE FOUND THE NR 1 ENGINE 14TH STAGE DUCT BLOWN. THE 14TH STAGE DUCT WAS REMOVED AND REPLACED. THE NR 1 ENGINE WAS RUN AT HIGH POWERFeb 20, 1995 · N11985 · Airbus A300B4103SDR 95UAL747007Vane Control · wornNR 4 ENGINE FLAMEOUT AT TOP OF DESCENT ENGINE REPLACED. INVESTIGATION REVEALED WEAR OF INTERNAL EVC COMPONENTS CAUSED THE IMPROPER POSITIONING OF THE COMPRESSOR VANES. THE CORRELATION BETWEEN THE RAPID COMPONENT DEGRADATION AND THE NEW PRATT AND WHITNEY VANEFeb 9, 1995 · N160UA · Boeing 747238BSDR CAL950090Duct Assy · rupturedFLT 288 - EWR - THE NR 1 ENGINE HAD A FIRE WARNING ON TAKEOFF. THE A/C WAS RETURNED AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND NO EVIDENCE OF FIRE. THE 14TH STAGE DUCT ON THE NR 1 ENG WAS FOUND BLOWN. IN ADDITION, A THRUST REVERSER HALF AND COWLING HADFeb 5, 1995 · N11984 · Airbus A300B4103
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