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 96UAL900556Hi Stage Valve · inoperativeAIRCRAFT WOULD NOT PRESSURIZE ON ONE PACK, OUTFLOW VALVE SHOWED CLOSED. *S/D* REPLACED LEFT HAND ENGINE HIGH STAGE VALVE PER MM, HIGH STAGE VALVE FOUND INOP. RAN ENGINES AND PRESSURIZED AIRCRAFT, AIRCRAFT PRESSURE CONTROL SYSTEM CHECKED NORMAL.Jul 18, 1996 · N354UA · Boeing 737322SDR CKSA96073Bleed Air · odorOPERATING ALL 4 BLEEDS ON CLIMBOUT DETECTED AN ODOR. EYES BURNED COULD TASTE OILY SUBSTANCE IN MOUTH. PROBLEM REDUCED WITH NR 2 BLEED TURNED OFF. PERFORMED ENGINE RUN AND OPS CHECK AND ALL ENGINE BLEEDS NOTICED ODOR ONLY WITH NR 2 BLEED ON, CLOSED NR 2 BLEEJul 11, 1996 · N801CK · Doug DC855SDR CA960717006Pin Piston Lever · missing(CAN) IN CRUISE VIBRATION INDICTION WENT TO 1.3 IPS AND VIBRATIONS WERE FELT ON THE FLIGHT DECK. ENGINE WAS SHUTDOWN. POST FLIGHT ENGINE BOROSCOPE INSPECTION WAS CARRIED OUT WITH NO FAULT FOUND. ENGINE GROUND RUN. BLEED BAND FOUND NOT TO BE OPENING DUE TO PISTJul 10, 1996SDR CA960909021Actuator Bleed · inoperative(CAN) MAINTENANCE FOUND #1 ENGINE BLEED BAND ACTUATOR AND THE TRIGGER LINE BLOCKED WITH CARBON. THE BLEED BAND ACTUATOR WOULD NOT CLOSE DURING ENGINE OPERATION. MAINTENANCE CLEANED AND PURGED THE BLEED BAND ACTUATOR PLUS ALL TRIGGER LINES AND CONTROL MECHANISMJul 9, 1996SDR CA960909014Actuator Bleed · inoperative(CAN) MAINTENANCE FOUND THE BLEED BAND OPENING/CLOSING WAS IMPOSSIBLE TO ADJUST ON THE #3 ENGINE, DUE TO THE INCORRECT ASSEMBLY OF THE FCU ADJUSTMENT MECHANISM. THE COMPLETE BLEED BAND ACTUATING MECHANISM WAS REMOVED, THE ACTUATOR WAS CLEANED. THE TRIGGER LINEJul 9, 1996SDR EIAA9619Fitting · brokenKTN - AFTER TAKEOFF, RIGHT ENGINE EPR REDUCED TO 1.6 (FROM 2) AND EGT CLIMBED TO 565 C. N1 DROPPED FROM 95 PERCENT TO 85 PERCENT. OIL PRESSURE WAS NORMAL. RETURNED TO PAKT. FOUND PS4 MANIFOLD FITTING ON PRBC BROKEN IN HALF. REPLACED FITTING. PERFORMED ENJul 5, 1996 · N935F · Doug DC932FSDR 9614589910Bleed Ck Vlv · leakingNR 2 ENGINE FIRE WARNING ILLUMINATED SEVERAL TIMES DURING TAKEOFF AND CLIMB. THE FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED A LEAKING 8TH STAGE BLEED CHECK VALVE WITH A SERVICEABLE UNIT.Jul 1, 1996 · N960N · Doug DC931SDR GLBA96127Eva Tubing · damagedSPI - RIGHT BLEED AIR FAIL ANNUNCIATOR ILLUMINATED IN-FLIGHT. MAINTENANCE REPLACED A SECTION OF EVA TUBING. (X)Jun 28, 1996 · N104GL · Beech 1900CSDR REXA96020Peri-Seals · wornLEFT TAIL PIPE 'HOT' LIGHT ON JUST AFTER TAKEOFF. FERRIEDTO MEMPHIS. SECURED A LOOSE TAILPIPE BLANKET AND REPLACED THE PERI-SEALSBEHIND THE LOW PRESSURE BLEED VALVE. GROUND RAN AT POWER FOR 20 MINUTES.AIRCRAFT OK FOR SERVICE. REFERENCE MI13663.(M)Jun 27, 1996 · N922MA · Saab SF340ASDR GLBA96125Eva Tube · damagedMSP - LEFT BLEED AIR FAIL ANNUNCIATOR ILLUMINATED DURING CLIMB-OUT. MX REPAIRED HOLE IN EVA TUBING. (M)Jun 21, 1996 · N141UE · Beech 1900CSDR CALA9600857Stator Vane · failedTHE NR 1 ENGINE COMPRESSOR STALLED AT 37,000 FEET WHEN POWER WAS REDUCED FOR DESCENT. THE STALL WAS ACCOMPANIED BY TWO BANGS AND SUBSEQUENT YAW. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE NR 1 ENGINE WAS REMOVED AND REPLACED. THE SDR WILL REMAIN OPEN FOR PAJun 21, 1996 · N14816 · Doug DC982SDR AWXA960265Prbc Assembly · failedPHX-OMA - ABORTED TAKEOFF, NR 1 ENGINE HAD COMPRESSOR STALL ONCE WHEN POWER ADVANCED ABOVE IDLE. REMOVED AND REPLACED NR 1 ENGINE PRESSURE RATIO BLEED CONTROL ASSEMBLY, IAW BMM 75-31-11. ALSO, LUBRICATED INTERNAL BLEEDS PER EB 72-006. RAN ENGINES AND OPERATJun 10, 1996 · N185AW · Boeing 737277SDR GLBA96109Eva Tubing · meltedRDU - CREW REPORTED A RIGHT BLEED AIR FAIL AFTER TAKEOFF. THEY MADE AN AIR TURNBACK AND LANDED UNEVENTFULLY. MAINTENANCE REPAIRED BLEED LEAK IN EVA TUBING. OPS CHECK WAS GOOD. (X)Jun 5, 1996 · N166GL · Beech 1900CSDR RAIA960533Gasket · leakingSTL - FLT 7282 - NR 2 ENGINE BETA LIGHT ILLUMINATED ON TAKEOFF ROLL. REMOVED AND REPLACED BLEED AIR GASKET. (M)May 24, 1996 · N431AM · Bag JETSTM3201SDR CAL960618Stator Vane · failedTHE NR 1 ENGINE QUIT RUNNING AT FL 280 WHILE EN ROUTE FROM EWR TO MCO. THE ENGINE FAILURE WAS ACCOMPANIED BY A MUFFLED BANG. THE ENGINE WAS SHUT DOWN AND THE AIRCRAFT WAS DIVERTED TO JAX WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND METAL IN THE NR 1 May 16, 1996 · N93875 · Doug DC982SDR 96ZZZM1030Bleed Control · out of adjustCDG - DURING CRUISE, NR 1 ENGINE SURGED AT CONSTANT THRUST. ENGINE PARAMETERS WERE NORMAL AFTER THE SURGE. CHECKED ENGINE INLET, EXHAUST, 3.5 BLEED VALVE SCREENS AND OIL MAGNETIC CHIP DETECTORS. ALL CHECKS WERE NORMAL. ADJUSTED ENGINE VANE BLEED CONTROL.May 10, 1996 · N605TW · Boeing 767231SDR AWXA960224Bleed Valve · malfunctionedCMH - FLT 0266 - BOTH NR 1 AND NR 2 BLEED VALVES FAILED IN-FLIGHT. EMERGENCY DESCENT. ALL CABIN OXYGEN MASKS DROPPED. PERFORMED BLEED SYSTEM INSPECTION ON BOTH ENGINES PER SIL 36-034 AND RAN ENGINES. NO DEFECTS NOTED. REPLACED ALL OXYGEN MASKS EXCEPT ALL Apr 30, 1996 · N628AW · Airbus A320231SDR 9609756632Evbc · malfunctionedDURING TAKEOFF, THE NR 1 ENGINE DID NOT ACCELERATE. ABORTED TAKEOFF AND RETURNED TO THE GATE. REPLACED THE ENGINE VANE BLEED CONTROL AND TRIMMED ENGINE. OPERATIONAL CHECK GOOD. PART TOTAL CYCLES, 2,343.Apr 30, 1996 · N632US · Boeing 747251BSDR 96UAL900298Bushing · failedABORTED TAKEOFF AT 70 KNOTS DUE TO BLEED VALVE EICAS MESSAGE. *S/D* A FAILED NITRONIC BUSHING CAUSED THE BLEED VALVE EICAS MESSAGE. THE LEFT HIGH PRESSURE SHUTOFF VALVE WAS REPLACED, OPERATIONS CHECK NORMAL.Apr 29, 1996 · N659UA · Boeing 767322SDR 96ZZZM915Bleed Control · malfunctionedJFK - FLT 31 - AT TOP OF CLIMB, NR 1 ENGINE ENCOUNTERED POWER SURGE. REDUCED POWER AND REAPPLIED POWER. FOUND ENGINE VANE BLEED CONTROL, MFG P/N 766555-7, MALFUNCTIONING. CHANGED ENGINE VANE BLEED CONTROL AND ENGINE OPERATION CHECKED NORMAL.Apr 25, 1996 · N605TW · Boeing 767231SDR WWMA9600039Bleed Air Gasket · defectiveTHE RIGHT ENGINE HAD FLUCTUATING AND LOW TORQUE ON CLIMBOUT. AIRCRAFT RETURNED TO FIELD WITHOUT INCIDENT. MAINTENANCE FOUND A DAMAGED BLEED AIR GASKET ON THE RIGHT ENGINE. THE GASKET WAS REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE.Apr 22, 1996 · N958AE · Bag JETSTM3201SDR 96ZZZX2093Control · malfunctionedON TAKEOFF, THE RIGHT ENGINE RPM ROLLED BACK 10 PERCENT AND THE I.T.T. INCREASED TO 700 DEGREES. AIRCRAFT RETURNED AND ENGINE WAS INSPECTED. NO PROBLEM WAS FOUND. AIRCRAFT WAS TEST FLOWN AND NR 2 ENGINE I.T.T. WAS 50 DEGREES HIGHER. FOUND BLEED VALVE OPERAApr 9, 1996 · N312QS · Cessna 560CESSNASDR 9607933204Vbv · failedDURING TAKEOFF ROLL, ENG NR 2 COMPRESSOR VANE FAULT ANNUNCIATED. ABORTED TAKEOFF AT 80 KNOTS, AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE VBV POSITION SENSOR AND RIGGED FOLLOW-UP ROD. FADEC AND TAKEOFF POWER CHECKS WERE ACCOMPLISHED.Apr 9, 1996 · N304US · Airbus A320211SDR RRXA9600012Clamp · missingKAUS - FLT 107 - AFTER TAKEOFF FROM KAUS NR 2 ENGINE FIRE WARNING SOUNDED. THE FLIGHT CREW SHUTDOWN NR 2 ENGINE AND RETURNED TO KAUS. MAINTENANCE FOUND NO EVIDENCE OF FIRE. MAINTENANCE FOUND A CLAMP OFF AT THE HIGH STAGE BLEED VALVE ELBOW DUCT. MAINTENANCEMar 26, 1996 · N997CF · Doug DC862FSDR USAAF96031Tube · crackedCLT - FLT 242 - AFTER TAKEOFF, CREW RECEIVED A NR 2 BLEED FAULT MESSAGE AND THEN A NR 2 DUCT LEAK MESSAGE. FLIGHT RETURNED TO CLT AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE FOUND A CRACKED LINE IN THE NR 2 ENGINE SUB WING TEST BLOCK AREA. A TEMPORARY Mar 25, 1996 · N881US · Fokker F28MK0100SDR P5CA9600160Prbc Line · leakingAT TOP OF DESCENT, NR 4 ENGINE COMPRESSOR STALLED WITH EGT RISE, SHUTDOWN ENGINE AND RESTARTED. ENGINE STARTED AND STABILIZED NORMALLY, USED ENGINE FOR REMAINDER OF FLIGHT, OPS NORMAL. PERFORMED BLEED CHECK, BORESCOPE AND PT2 LEAK CHECK, FOUND FLEX LINE FROMMar 16, 1996 · N858FT · Boeing 747123SDR RAIA960321Gasket · failedSTL - FLT 7496 - LEFT ENGINE LOST POWER ON TAKEOFF ROLL. MAINTENANCE REPLACED BLEED-AIR GASKET, GROUND RUNS GOOD. (X)Mar 13, 1996 · N340TE · Bag JETSTM3201SDR RAIA960315Gasket · failedSTL - FLT 7031 - LEFT ENGINE TORQUE FLUCTUATES. MAINTENANCE REPLACED THE BLEED AIR GASKET, GROUND RUNS GOOD. (X)Mar 11, 1996 · N343TE · Bag JETSTM3201SDR RAIA960305Bleed Line · looseSTL - FLT 7466 - WHEN TURNING LEFT BLEED ON, TORQUE DROPPED FROM 100 PERCENT TO 80 PERCENT. MAINTENANCE SECURED BLEED LINE BEHIND ASPIRATOR, GROUND RUNS GOOD. (M)Mar 4, 1996 · N429AM · Bag JETSTM3201SDR CA960321516Bleed Valve · inoperative(CAN)TAKEOFF REJECTED AT 120 KNOTS BECAUSE OF SEVERE VIBRATION FOLLOWED BY HIGH EGT, UP TO 850 DEGREES CENTIGRADE. MAINTENANCE INVESTIGATION REVEALED VARIABLE BLEED VALVE (V.B.V.) MOTOR DRIVE SHAFT TO ACTU ATOR SHEARED. V.B.V. MOTOR DRIVE REPLACED.Mar 4, 1996 · Airbus A320211SDR UF6A960206Lp Bld Tap Clamp · dislodgedSBN - FLT NR 5756 - LEFT ENGINE WILL NOT MAKE SCHEDULED TORQUE/EXCEEDS ITT LIMITS FOR TAKEOFF POWER AND ENGINE NH EXCEEDS LIMITS. MAINTENANCE FOUND NR 1 LP BLEED TAP CLAMP DISLODGED. REPLACED GASKET, INSULATION MUFF AND RESECURED CLAMP ON NR 1 BLEED TAP. ALFeb 26, 1996 · N854AW · Bag ATPSDR CA960321504Valve · inoperative(CAN)AFTER DESCENT FROM 410 TO 390 FEET WHEN THROTTLE ADVANCED FROM FLIGHT IDLE, THE RIGHT ENGINE FAILED TO RESPOND. WITH RH PNEUMATIC BLEED OFF ENGINE RESPONSE TO NORMAL. CHANGED LEFT PRESSURE REGULATOR A ND SHUT OFF VALVE.Feb 21, 1996SDR 96UAL900141Stator · failedDURING TAKEOFF, THE LEFT ENGINE FAILED AND SHUTDOWN. AIRCRAFT RETURNED TO FIELD. A CLUSTER OF VANES LIBERATED FROM THE .9375 STATOR ASSEMBLY, RESULTING IN SECONDARY DAMAGE CAUSING THE EGT TO RISE ABOVE LIMITS FORCING THE FLIGHT CREW TO SHUTDOWN THE ENGINE INFeb 21, 1996 · N555UA · Boeing 757222SDR 96UAL900139Actuator · failedLEFT ENGINE FAILED TO DEVELOP TAKEOFF POWER DURING TAKEOFF. *S/D* REPLACED LEFT BLEED VALVE ACTUATOR, OPERATION CHECKS NORMAL.Feb 21, 1996 · N549UA · Boeing 757222SDR TWRA9608Lever · brokenON APPROACH TO BOMBAY, NR 3 ENGINE STALLED, EGT REACHED 735 DEGREES FOR 30 SECONDS. OIL PRESSURE 4 PSI WINDMILL HYDRAULIC PRESSURE AVAILABLE WITHOUT ADP. ACCOMPLISHED ENGINE FAILURE PROCEDURES. FOUND EVBC ROD CONNECT LEVER BROKEN. REPLACED LEVER, R/U OK. Feb 10, 1996 · N618FF · Boeing 747212BSDR 9603121156Bleed Converter · malfunctionedAT TOP OF DESCENT, THE NR 3 ENGINE EXPERIENCED COMPRESSOR STALL. THE NR 3 ENGINE WAS SHUTDOWN AND RESTARTED. FLIGHT CONTINUED TO LGW WITHOUT FURTHER INCIDENT. REPLACED BLEED CONVERTER AND PS4 RESTRICTOR. PERFORMED ENGINE RUNUP AND ALL PARAMETERS WERE NORMAFeb 10, 1996 · N156US · Doug DC1040SDR UIEA9603Vane Control · inoperativeENGINE REPAIRED BY LUFTHANSA, FIRST FLIGHT AFTER INSTALLATION. NR 1 ENGINE STALL WHILE CLIMBING THROUGH 10,000 FEET. FLT NR GTI900/31, LUXEMBOURG-TURIN-ENGINE SHUT-DOWN. ENGINE RE-START ATTEMPT UNSUCCESSFUL. AIRCRAFT RETURNED TO LUXEMBOURG BORESCOPE HPC/HRJan 31, 1996 · N2FOR · Boeing 747228FSDR P5CA9600058Vane · crackedFOUND CRACK ON NR 4 ENGINE CASCADE VANE. CRACK TREATED IAW SRM 51-10-02.Jan 24, 1996 · N855FT · Boeing 747124SDR 9601035514Stator Vane Act · failedDURING TAXI OUT, EICAS MESSAGE ENGINE CONTROLS DISPLAYED. THIRTY SECONDS LATER, NR 1 ENGINE SHUT DOWN. AIRCRAFT RETURNED TO GATE. GROUND MAINTENANCE REPLACED NR 1 ENGINE STATOR VANE ACTUATOR. OPERATIONAL CHECK OK.Jan 17, 1996 · N514US · Boeing 757251SDR SWIA95700Bleed Valve · malfunctionedRT INTAKE HEAT DOES NOT ILLUMINATE WHEN PROPELLER ENGINE HEAT SWITCH IN THE ON POSITION. REPLACED RT INLET BLEED VALUE. OPERATION CHECKS GOOD.Dec 23, 1995 · N2720B · Swrngn SA227ACSDR COMA9531218Tube · crackedRT ENGINE ITT IS HIGHER THAN NORMAL DURING CRUISE. REPLACED CRACKED HIGH PRESSURE BLEED AIR TUBING ON RT ENGINE.Dec 21, 1995 · N356CA · Saab SF340ASDR TWRA9571Evc · wornDURING CLIMB-OUT, FLIGHT CREW EXPERIENCED AN OIL SMELL IN THE COCKPIT AND CABIN. SMELL CLEARED AFTER POWER WAS REDUCED. REPLACED NR 2 ENGINE'S ENGINE VANE CONTROL. (X)Dec 16, 1995 · N611FF · Boeing 747282BSDR DLL10954718Bleed Air · oil fumesSMOKE IN REAR CABIN AREA AND ALL 5 AFT LAV SMOKE DETECTORS WENT OFF. ISOLATED NR 2 ENG BLEED, SMOKE DISSIPATED. LOCKED OUT NR 2 EJECTOR AND FWD TO MCO PER MEL 36-11-08A.Dec 15, 1995 · N722DA · Lkheed 10113851SDR P5CA9500865Evc · failedNR 4 ENGINE SHUT DOWN IN-FLIGHT WITH LOW OIL QTY AND OIL PRESSURE LIGHT ON. OIL PRESSURE DROPPED TO 37 PSI WITH ALL OTHER INDICATIONS NORMAL. ENGINE WINDMILLED FOR 2 HOURS. REPLACED NR 4 EVC IAW MM 75-31-01. ALSO, REPLACED EVC ACTUATOR, P/N 719999-6, S/N 60Dec 6, 1995 · N852FT · Boeing 747122SDR USAASB95016Bleed Vlv · failedMCO - FLT NR 378 - NR 2 ENGINE OVERTEMPED ON TAKEOFF TO 944 DEGREES FOR 2 SECONDS. FLIGHT CREW REDUCED POWER AFTER TAKEOFF TO BELOW RED LINE. CREW COULD NOT SELECT NORMAL CLIMB N1 WITHOUT EGT EXCEEDANCE. RETURNED TO MCO AND LANDED WITHOUT INCIDENT. MAINTENNov 19, 1995 · N392US · Boeing 7373B7SDR RAIA951126Gasket · leakingCMI - FLT 7439 - LEFT FUEL CAPTION AND LEFT BETA LIGHT ILLUMINATED ON TAKEOFF. REPLACED BLEED AIR PORT GASKET. (M)Nov 18, 1995 · N875JX · Bag JETSTM3201SDR RAIA951125Gasket · leakingSTL - FLT NR 7073 - LOW TORQUE ON TAKEOFF. REPLACED BLEED AIR GASKET. (M)Nov 17, 1995 · N428AM · Bag JETSTM3201SDR RAIA951120Gasket · leakingFLT NR 7310 - STL - RIGHT ENGINE ONLY MADE 90 PERCENT TORQUE, TARGET TORQUE 100 PERCENT. MAINTENANCE REMOVED AND REPLACED P3 BLEED GASKETS. OPERATIONAL CHECK GOOD. (M)Nov 15, 1995 · N428AM · Bag JETSTM3201SDR RAIA951119Bleed Line · crackedFLT NR 7409 - EVV - LEFT ENGINE TEMP SPIKED TO 700. MAINTENANCE REMOVED AND REPLACED P3 BLEED LINE, OPERATIONAL CHECK GOOD. (M)Nov 14, 1995 · N428AM · Bag JETSTM3201SDR DL76L954369Vsv Guide · missingDURING INSPECTION, FOUND NR 1 ENGINE VARIABLE STATOR VANES RING GUIDE BLOCKS MISSING IN SEVERAL LOCATION AND LOOSE IN OTHERS. REPLACED NR 1 ENG AND ROUTED TO SHOP.Nov 10, 1995 · N176DN · Boeing 767332
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