JASC 7532

Service difficulty reports · 1,774

Reports filed under 7532 · Compressor Bleed Valve, 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 = '7532'
  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 AU000203002Bleed Valve · failed(AU) FLIGHT CREW REPORTED AN OSCILLATION IN BLEED FLOW FROM NR 1 ENG. INDICATIONS WERE: CHANGES IN SOUND OF AIRFLOW, ITT AND CABIN ALT FLUCTUATIONS. ENGINE PRESS/REG S/O VALVE REPLACED.Jan 27, 2000 · Dhav DHC8102SDR AGQA065669Bleed Valve · failedBLEED VALVE STALLED IN-FLIGHT.Jan 24, 2000 · N500DC · Hughes 369DSDR MALA000123Bleed Valve · failedMSP - FLT 2968 - LEFT AIR VALVE LIGHT ON DURING CLIMB-OUT, CAME BACK ON AFTER SWITCHING ENGINE ICE BACK ON AS PER QRH. MAINTENANCE REPLACED LEFT ANTI-ICE START BLEED VALVE PER GE CT-7 MM 75-00-00. OPS CHECKS GOOD PER GE MM 72-00-00. (M)Jan 21, 2000 · N456XJ · Saab 340BSDR AU000128049Bleed Valve · damaged(AU) ECAM MESSAGE - NR 1 ENGINE GUIDE VANE. THE MASTER VARIABLE BLEED VALVE ACTUATOR WAS FOUND DAMAGED AT SPLINE DRIVE.Jan 16, 2000 · Airbus A320212SDR SIMA0106Bleed Valve · failedORD - FLT 4053 - DURING CLIMB-OUT, BOTH LAVATORY AND BAGGAGE SMOKE INDICATION CAME ON. AIRCRAFT RETURNED TO ORD. NO FIRE PRESENT, SMOKE WAS SMELLED AREA. REMOVED AND REPLACED BOTH ENGINE (S/N 311069 LT, 311071 RT) DUE TO BLEED AIR SYSTEM VALVES. OPS CHECK Jan 10, 2000 · N616AE · Emb EMB145LRSDR AGQA065561Bleed Valve · stickingBLEED VALVE STICKING CAUSING COMPRESSOR STALLS.Jan 7, 2000 · N369AW · Hughes 369DSDR AGQA065546Bleed Valve · failedBLEED VALVE PRODUCES LOW POWER- HIGH N1 SPEED.Jan 6, 2000 · N5027P · Hughes 369DSDR 2000ZZZX368Valve · failedENGINE WOULD NOT PRODUCE TAKEOFF POWER AND WOULD HAVE A TORQUE SURGE WITH POWER LEVER IN MAXIMUM POSITION. BOV GUIDE PIN BUSHING WAS FOUND WORN. BOV DIAPHRAGM WAS FOUND TORN. C/W SB 1581 FOR CORRECTIVE ACTION.Jan 6, 2000 · N95NA · Cessna 208BSDR VNAA0001002Bleed Valve · failedDURING THE TAKEOFF, THE RIGHT HIGH PRESSURE BLEED VALVE FAILED IN THE CLOSED POSITION. THE CREW ABORTED TAKEOFF AND CLEARED THE RUNWAY. MAINTENANCE CONTROL DIFFERED THE RIGHT HIGH PRESSURE BLEED VALVE IN ACCORDANCE WITH THE MINIMUM EQUIPMENT LIST.. THE AIRCJan 2, 2000 · N422JS · Dorner DO328100SDR UPS99531243Bleed Valve · inoperativeAIR TURN BACK, EICAS MSG CABIN ALTITUDE DISPLAYED. CABIN ALT AND CABIN ALTITUDE LIGHTS ILLUMINATED. ALSO, L ENG BLEED OFF MSG ON EICAS ALONG WITH L ENG BLEED AIR LIGHT ON. DUCT PRESSURE AT ZERO. DEFERRED LEFT ENGINE BLEED PER MEL 36-77-7. PERFORMED BITE TDec 31, 1999 · N410UP · Boeing 75724APFSDR EISA2000033Bleed Valve · wornDURING ENGINE RUN ACCELERATION PRIOR TO TAKEOFF ROLL ENGINES WERE STABILIZED ABOUT 1.4 EPR AND WE HEARD A LOUD BANG. AT ABOUT 1.7 EPR AFTER CHECKING ALL THREE ENGINES WE HEAR THE SAME BANG AND COMPRESSOR STALL ON NR 2 ENGINE WHICH WHICH WE SHUT DOWN AND RETURDec 29, 1999 · N74318 · Boeing 727231SDR PLGA991216Connector · looseBOS - FLT 4855 - DURING FLIGHT, THE RIGHT LOW PRESSURE BLEED VALVE WAS NOT FUNCTIONING AND STUCK OPEN. AIRCRAFT RETURNED TO BOS. AFTER TROUBLESHOOTING MAINTENANCE, FOUND THE CONNECTOR AT THE RIGHT BLEED VALVE LOOSE. THE CONNECTOR WAS RESECURED, REQUIRED OPDec 16, 1999 · N358BE · Saab 340BSDR SCNA99150Prbc · lack of lubeON FINAL APPROACH, THE NUMBER TWO COMPRESSOR STALLED WHEN POWER WAS ADDED. LUBRICATED PRBC VALVE IAW MM 720000. OPERATIONAL CHECK ON VALVE OK.Dec 7, 1999 · N288SC · Boeing 7272J4SDR CA000404013Bleed Valve · failed(CAN) BLEED VALVE INTERMITANT OPS.Dec 3, 1999 · Snias AS350BASDR VNAA9911020Bleed Valve · failedDURING CLIMB-OUT, THE LEFT ELECTRONIC ENGINE CONTROL UNIT FAILED. THE AIRCRAFT RETURNED TO THE FIELD WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND CLEANED THE LEFT HAND INTERCOMP BLEED VALVE CANNON PLUG AND SCREEN IN ACCORDANCE WITH DORNIER MAINTENANCENov 23, 1999 · N458PS · Dorner DO328100SDR VNAA9911019Bleed Valve · failedDURING FINAL APPROACH, THE RIGHT ELECTRONIC ENGINE CONTROL UNIT FAILED. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND CLEANED THE RIGHT INTERCOMP BLEED VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 75-00-00. OPERATIONAL CHECKS WERE PNov 22, 1999 · N437JS · Dorner DO328100SDR UPS99431141Bleed Valve · failedINSPECTION TYPE:N/A, AT 1000 FEET ENGINE NR 4 SHOWED ENGINE FIRE. SHUT ENGINE DOWN PER UPS OPERATING PROCEDURES. REMOVED AND REPLACED NR 4 ENGINE HIGH STAGE BLEED VALVE AND CONTROLLER PER MM 36-11-17 AND 36-11-06, OPS CHECKS NORMAL PER MM 71-00-00. INSPECTENov 22, 1999 · N522UP · Boeing 747212BSDR VNAA9911011Bleed Valve · failedTHE FLIGHT CREW RECEIVED A RIGHT HAND ELECTRONIC ENGINE CONTROL UNIT FAIL CAS MESSAGE DURING TAKEOFF AND ABORTED THE TAKEOFF. THE AIRCRAFT TAXIED BACK TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND CLEANED THE RIGHT HAND INLET BLEED VALVE. Nov 15, 1999 · N459PS · Dorner DO328100SDR CA991209007Bleed Valve · failed(CAN) COMPRESSOR STALLS WHEN POWER APPLIED AT ALT.Nov 12, 1999 · Bell 206BSDR SWAA991868Bleed Valve · malfunctionedAIR TURNBACK, ACFT WOULD NOT MAINTAIN CABIN PRESS AT 27,000 FEET. C/W PRESS DECAY CHECK AND FOUND NR 2 ENG PNEU BLEED PRESS LOW AT IDLE, UNLOCKED NR 2 ENG HIGH STAGE PRESS BLEED VALVE AND OPS CK GOOD PER MM.Nov 6, 1999 · N395SW · Boeing 7373H4SDR VNAA9911002Bleed Valve · failedDURING FLIGHT THE AIRCRAFT HAD A 20 PERCENT TORQUE FLUCTUATION ON THE RIGHT HAND ENGINE. THE AIRCRAFT LANDED WITHOUT ANY INCIDENTS. MAINTENANCE INSPECTED AND REPLACED THE RIGHT HAND INLET BLEED VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 75-31-01. ONov 1, 1999 · N430JS · Dorner DO328100SDR CA991209009Bleed Valve · failed(CAN) ENGINE BLEED AIR BUTTERFLY VALVE WOULD NOT CLOSE AT 97 PERCENT. TACHOMETER BOX OPERATION VERIFIED AND VALVE REPLACED. NOW SERVICEABLE.Oct 30, 1999 · Snias AS350BASDR CA991209003Washer · displaced(CAN) THE NUT HOLDING THE BLEED VALVE PISTON ASSY WAS FOUND TO BE OVERTORQUED THIS.. THIS CAUSED THE SILICONE WASHER TO DISPLACE ALLOWING THE FACE PLATE TO SHIFT WHICH CAUSED THE LEAK.Oct 21, 1999 · Dhav DHC6100SDR TSAA9972466Bleed Valve · failedFLT 263 - HNL-LIH - COMPRESSOR STALL NR 2 ENGINE THROTTLE UP OFF OF IDLE. ABORTED TAKEOFF. RETURNED TO GATE. REMOVED AND REPLACED NR 2 ENGINE PRESSURE BLEED CONTROL VALVE. SYSTEM LEAK CHECK AND OPS CHECK GOOD PER MM 75-31-11. AIRCRAFT RETURNED TO SERVICE.Oct 20, 1999 · N807AL · Boeing 7372T4SDR CA991208060Bleed Valve · surging(CAN) BLEED VALVE SPECIFIED TO HAVE HISTORY OF CAUSING SIMILAR ENGINE SURGING ON OTHER OPERATORS' A/C. SB 5274 R3 FOR POSSIBLE IMPROVED BLEED VALVE CLOSING OPS.Oct 14, 1999 · Bell 212SDR CA991103017Piston Flange · failed(CAN) ENGINE SURGING EXPERIENCED. BLEED VAVE HAS HISTORY OF CAUSING SIMILAR PROBLEMS ON OTHER AIRCRAFT. REF: PT6 SB 5274R3 FOR IMPROVED BLEED VALVE CLOSING OPS.Oct 14, 1999 · Bell 212SDR 99ZZZX4700Bleed Valve · leakingENGINE TEMPERATURE, N1 HIGH, TORQUE LOW, AND FUEL FLOW HIGH. INSPECTED FIRST STAGE COMPRESSOR SECTION BLADES FOR DAMAGE AND P3 LINES FOR CHAFED SECTIONS AND LOOSE FITTINGS. REPLACED BLEED VALVE FOR TROUBLESHOOTING PURPOSES. ALL ELSE CHECKED GOOD. PERFORMED Oct 1, 1999 · N99TH · Beech B99SDR AU991065Bleed Valve · damaged(AUS) ENGINE BLEED VALVE PC PORT CONTAINED DAMAGED THREADS DUE TO CORROSION. THE BLEED VALVE WAS AN OVERHAULED EXCHANGE ITEM BEING INSPECTED BEFORE FITMENT.Sep 22, 1999SDR ERAA064504Bleed Valve · fluctuatingPOWER SECTION OVERHAULED. BLEED VALVE FLUCTUATING.Sep 20, 1999 · N418EH · Bell 412SDR 99ZZZX3858Bleed Valve · inoperativePILOT ENCOUNTERED NUMEROUS RAPID COMPRESSOR STALLS IN A HIGH POWER SITUATION. FOUND SIDE SLOP ON BLEED VALVE POPPET AND A RATCHETY FEEL DURING MANUAL ACTUATION. REPLACED BLEED VALVE.Sep 11, 1999 · N5074R · Hughes 369DSDR DL72S992007Bleed Valve · malfunctionedAFTER TAKEOFF, (NORMAL POWER) THE ENG 2 APU BLEED HIGH TEMP LIGHT ILLUMINATED. THE NR 2 THROTTLE WAS RETARDED AND THE LIGHT WENT OUT. DISCUSSED WITH ATL/MCC AND FLIGHT RETURNED TO SLC. LIGHT TESTED GOOD. REPLACED NR 2 ENG BLEED VALVE CB, CKS GOOD.Sep 9, 1999 · N517DA · Boeing 727232SDR 99ZZZX4167Bleed Valve · inoperativeBLEED VALVE INOPERATIVE. CLOSES AT 98 PERCENT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 8, 1999 · N101LN · Snias AS350B2SDR 99ZZZX3543Bleed Valve · malfunctionedENGINE HAD LOW POWER. DETERMINED THE BLEED VALVE WAS NOT CLOSING. REMOVED AND REPLACED.Aug 31, 1999 · N206BY · Bell 206B3SDR 99ZZZX3534Bleed Valve · malfunctionewdENGINE HAD LOW POWER DETERMINED THAT THE BLEED VALVE WAS NOT FULLY CLOSING. REMOVED AND REPLACED.Aug 31, 1999 · N369AW · Hughes 369DSDR 99UAL900442Bleed Valve · failedNR 1 ENGINE NACELLE OVERHEAT. *S/D* ENGINE 2.95 STABILITY BLEED VALVE WAS OPEN ON TAKEOFF. REPLACED 2.95 STABILITY BLEED VALVE, 2.95 BLEED SOLENOID AND 2.95 BLEED PNEUMATIC RELAY VALVE. SOLENOID AND RELAY VALVES TESTED OK. THE 2.95 BLEED VALVE WAS FOUND LAug 28, 1999 · N648UA · Boeing 767322SDR DL72S991866Prbc · inopAUTO PACK TRIP ON TAKEOFF. POSSIBLE COMPRESS STALL. OCCURED AFTER BRAKES RELEASE. ABORTED TAKEOFF AT 60 KTS. REPLACED NR 3 ENGINE PRBC FOR OFF IDLE STALL. RAN ENG PER PHHB, ALL INDICATIONS CKS OK. NO STALLS.Aug 20, 1999 · N419DA · Boeing 727232SDR C2XA99CL084Bleed Valve · failedATL-CLE - FLT 4016 - THE CREW REPORTED THAT ON TAKEOFF THE NR 1 ITT WENT TO 921C, THE AIRCRAFT LANDED IN CLEVELAND WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE COMPRESSOR ACCELERATION BLEED CONTROL VALVE IAW EMB145 MM 75-31-02 ANAug 18, 1999 · N13935 · Emb EMB145SDR CA991027054Tach Box · failed(CAN) TACHOMETER BOX DOES NOT HAVE OUTPUT TO CLOSE BLEED VALVE.Aug 15, 1999 · Snias AS350BSDR 9903141154Prbc Valve · malfunctionedUPON POWER REDUCTION AT FL330, THE NR 1 ENGINE COMPRESSOR STALLED AND THEN FLAMED OUT. THE ENGINE WAS SECURED, AND RESTARTED NORMALLY AT FL300. ENGINE OPERAITON WAS NORMAL FOR THE REMAINDER OF THE FLIGHT. MAINTENANCE INSPECTED THE ENGINE PER TAFI WITH NO DEAug 5, 1999 · N154US · Doug DC1040SDR 99ZZZX3856Bleed Valve · inoperativeDURING THROTTLE ROLL-ON DURING POWER RECOVERY FROM PRACTICE AUTOROTATION, THE PILOT EXPERIENCED A COMPRESSOR STALL. REPLACED BLEED VALVE.Jul 30, 1999 · N5074R · Hughes 369DSDR GAIA99102Bleed Valve · inoperativeFLT 721 DURING CLIMB-OUT FROM AUS THROUGH FL 250, THE NR 3 ENGINE STRUT OVERHEAT ILLUMINATED FOLLOWED SHORTLY BY THE NR 3 ENGINE BLEED TRIP AND THE LOWER AFT BODY OVERHEAT LIGHT. THE FLIGHT CREW DECLARED AN EMERGENCY AND DIVERTED TO DFW. THE AIRCRAFT LANDED SJul 21, 1999 · N855AA · Boeing 727223SDR 99ZZZX2825Bleed Valve · inoperativeFLT 721 DURING CLIMB-OUT FROM AUS THROUGH FL 250, THE NR 3 ENGINE STRUT OVERHEAT ILLUMINATED FOLLOWED SHORTLY BY THE NR 3 ENGINE BLEED TRIP AND THE LOWER AFT BODY OVERHEAT LIGHT. THE FLIGHT CREW DECLARED AN EMERGENCY AND DIVERTED TO DFW. THE AIRCRAFT LANDED SJul 21, 1999 · N855AA · Boeing 727223SDR HNAA990102P2.5 Valve · out of adjustIN CRUISE FLT, NR 1 P/L RETARDED TO FLIGHT IDLE WITHIN A FEW SECONDS SMELL OF SMOKE. TURNED OFF BLEEDS, SMELL DISSIPATED. INSPECTED NR 1 ENG P 2.5 SWITCHING VALVE, REMOVED SHIM FROM SAME AND GROUND RUN GOOD.Jul 19, 1999 · N988HA · Dhav DHC8201SDR CA991007019Bleed Valve · intermittent(CAN) INTERMITTENT CLOSING OF BLEED VALVE.Jul 14, 1999 · Snias AS350BASDR 99ZZZX3087Bleed Valve · loosePILOT REPORTED 40 DEGREE HIGHER TEMPERATURE THAN NORMAL CAUSING LOW POWER TREND READINGS AND CRUISE FLIGHT TEMP EXCEEDING GREEN ARC. INSPECTION REVEALED HOUSING LOOSE DUE TO MOUNTING BOLTS LOSING TORQUE.Jul 12, 1999 · N517R · Bell 407SDR RAIA990709Bleed Valve · failedFLT 7400 - STL - RIGHT BLEED FAULTED. MAINTENANCE REPLACED NR 2 BLEED VALVE. (M)Jul 3, 1999 · N426TE · Aerosp ATR42300SDR CA990715030Bleed Valve · out of adjust(CAN) ENGINE FLAME-OUT AT 41,000 FEET UNDER NORMAL CONDITIONS. FURTHER INSPECTION CARRIED OUT, ADJUSTMENT OF BLEED VALVES INLET BLANKET REPOSITIONED. NO FURTHER FAULTS EXPERIENCED. CONTACTED OPERATOR, NO ACTION REQUIRED.Jun 27, 1999 · Lear 25BSDR 99FDEA00237Bleed Valve · failed99-144 - BLEED VALVE NR 2 FAULTED IN CRZ AT FL310, UNABLE TO RECOVER FAULTED BLD VALVE.Jun 24, 1999 · N419FE · Airbus A310222SDR QXEA9901367Valve · malfunctionSEA - ACRID SMELL DURING LOW TO MODERATE POWER SETTINGS AT DESCENT. REPLACED NR 2 ENGINE P2.5/P3 SWITCHING VALVE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.Jun 16, 1999 · N815PH · Dhav DHC8102SDR QXEA9901271P2.5 Valve · malfunctionBOI- STRONG SMELL OF OIL WHEN THE POWER LEVERS RETARDED TO FLIGHT IDLE. MAINTENANCE PERFORMED A BLEED AIR TEST AND FOUND THE SMELL WAS FROM NR 1 BLEED. REPLACED THE NR 1 P2.5 SWITCHING VALVE, OPERATIONAL CHECKS GOOD.Jun 8, 1999 · N815PH · Dhav DHC8102
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