JASC 3710
Service difficulty reports · 292
Reports filed under 3710 · Vacuum Distribution 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 = '3710' 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.
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 = '3710' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR CA001107019Coupling · sheared(CAN) AIRCRAFT ON FLIGHT FROM RIMOUSKI TO HALIFAX. AT ARRIVAL, PILOT ADVISED HIS AMO THAT RT VACUUM PUMP INDICATED 0 AT SHUT DOWN PROCEDURE. AMO ARRANGED FOR PUMP REPLACEMENT AT HALIFAX. NOTE: USUAL FAILURE: SHEARED DRIVE. (X)SDR 20001108SH022Pump · failedVACUUM PUMP (215CC) FAILED, 58.1 HOURS. (X)SDR 20001106SH084Pump · failedPUMP FAILED, 170.5 HOURS. X)SDR 20001108SH023Pump · failedPUMP (215CC) FAILED AFTER 39 HOURS. (X)SDR 20001120SH026Pump · failedTHIS AIRCRAFT HAD A 211 CC VACUUM PUMP FROM 7/93 UNTIL 5/99. WHEN THE PART FAILED, IT WAS REPLACED WITH A 215 CC, SN 5AR2833. THIS LASTED 4 MONTHS (19 HOURS) AND WAS REPLACED WITH A 215 CC, SN 11AP4226. THIS LASTED 6 MONTHS (57 HOURS) AND WAS REPLACED IN 5/SDR 20000925SH008Line · deterioratedWHILE CERTIFYING THE STATIC SYSTEM, DISCOVERED THE VACUUM LINES WERE DETERIORATING. AFTER FURTHER INVESTIGATION, FOUND THE VACUUM LINES WERE THE LINES THAT HAD AD ISSUED AGAINST THEM. REMOVED ALL VACUUM LINES AND REPLACED WITH NEW HOSES. POSSIBLE CAUSE FOR SDR 20000920SH015Hose · deterioratedFOUND HOSE MADE BY IMPERIAL EASTMAN HYTYON YP006 250 PSI W.P. FOUND OUTSIDE OF HOSE CRACKED AND COMING APART. FOUND INSIDE OF HOSE RED IN COLOR VERY BRITTLE, CRACKING. HOSE USED FOR INSTRUMENT VACUUM SERVICE. HOSE ROUTED FROM INSTRUMENT AIR FILTER TO ARTIFSDR CA000920006Pump · failed(CAN) PUMP FAILED ABOUT HALF WAY DURING 1.7 HOURS FLIGHT TG3 TO CYXK. ALTERNATOR FAILURE FOLLOWED. ALTHOUGH PUMP TURNED FREE BY HAND, BROKEN NYLON DRIVE SHOWED SIGNS OF PRE-FAILURE DETERIORATION. PUMP HAD 1356.1 HOURS, WAS INSTALLED NEW 7 APRIL 1977, CHSDR 20001017SH035Pump · shearedRIGHT VACUUM PUMP FAILED, DRIVESHAFT SHEARED. (X)SDR 20001013SH023Pump · shearedRIGHT VACUUM PUMP FAILED, DRIVESHAFT SHEARED. (X)SDR 20000828SH023Line · misalignedPILOT WAS UNABLE TO OBTAIN FULL RICH FUEL MIXTURE ON LEFT ENGINE. UPON INSPECTION BY MAINTENANCE, THE MIXTURE CONTROLLER LINKAGE WAS FOUND OBSTRUCTED FROM REACHING FULL TRAVEL BY THE DRY AIR PUMP PRESSURE AIR LINE. THE PRESSURE AIR LINE WAS CORRECTLY ROUTED SDR 20000721SH038Pump · failedVACUUM PUMP FAILED UNDER NORMAL ENGINE OPERATING CONDITIONS. THE INTERNAL DRIVE COUPLING AND ASSOCIATED INTERNAL SPLINE ASSY SEPARATED FROM THE ROTOR. (NOT TO BE CONFUSED WITH THE NORMAL BREAK AWAY FLEXIBLE COUPLING.) (X)SDR CA000724018Pump · jammed(CAN) PUMP S/N 856871. DETECTED SQUEAKING WHEN TURNING PROPELLER DURING TEARDOWN FOR ENGINE CHANGE. PUMP REMOVED. HARDLY ABLE TO TURN IT BY HAND. INSTALLED 14 FEB. 2000 AT 12269.2 = 6 MS AND 361.6 HRS. REMOVED 06 JUL.2000 AT 12630 = 6 MS & 361.6 HRS. WSDR 20000508SH030Shuttle Valve · wornDURING ANNUAL INSP, VACUUM PUMP DRIVE FOUND SHEARED. OWNER/PILOT DID NOT KNOW PUMP INOP DURING DELIVERY FLIGHT OR AT ANY OTHER TIME. INSP FOUND ACFT TO HAVE PRECISE FLIGHT STANDBY VACUUM SYS INSTALLED, TAE SVS-133 WHICH HAD AN AUTOMATIC FLAPPER/SHUTTLE VALSDR CA000330006Solenoid · stuck(CAN) PILOT REPORTED SLUGGISH GYRO OPERATION, FOUND LOW GYRO PRESSURE (3 PSI) ON BOTH ENGINES SELECTED OR SINGLE ENGINE OPERATION. UNABLE TO INCREASE PRESSURE. REMOVED VALVES (P/N 2H22-11) AND BENCH TESTED RESPECTIVE SOLENOIDS. SOLENOIDS FOUND TO BE PARTIASDR 20000802SH012Pump · inoperativePILOT REPORTED RIGHT VACUUM PUMP INOPERATIVE, ANNUNCIATOR LIGHT ILLUMINATED DURING FLIGHT. UPON REMOVAL OF THE VACUUM PUMP, DISCOVERED THE DRIVE COUPLING SHAFT SHEARED. (X)SDR 20000403SH008Line · cutVACUUM LINE FOR THE PRESSURIZATION SYSTEM LINE, PN 25VF3323-309, RUNS UNDER THE AILERON CABLE. THIS LINE IS .3750 INCH OUTSIDE DIAMETER HAD A CUT IN IT FROM CABLE .1875 INCH DEEP. CUSTOMER REPORTED HAVING PROBLEMS REGULATING PRESSURIZATION SYSTEM IN THE NORMSDR CA000224044Pump · sheared(CAN) NO-VACUUM LIGHT ANNUNCIATION EXPERIENCED. VACUUM PUMP DRIVE SHEARED.SDR 2000ZZZX218Pump · failedFOUND PUMP BODY SEPARATED FROM PUMP BASE. SECURING BOLTS WERE MISSING.SDR CA991231015Drive Shaft · sheared(CAN) WHILE IN FLIGHT PILOT NOTICED THE RED NOT SUCTION LIGHT ILLUMINATE. VACUUM PUMP ((P/N:(ARO21240-1) (PIPER32171-000)).SDR 2000ZZZX138Pump · failedVACUUM/PRESSURE PUMP FAILED AFTER 191.0 HOURS (OVERHAULED PUMP).SDR CA991229057Coupling · failed(CAN) DURING CRUISE FLIGHT, THE VACUUM SYSTEM FAILED. MAINTENANCE FOUND THE VACUUM PUMP FAILED AT THE DRIVE COUPLING.SDR CA991210014Shaft · sheared(CAN) NO VACUUM WARNING LIGHT CAME ON DURING CRUISE FOR LT SIDE AND STAYED ON. PILOT REPORTED IN LOG AT ARRIVAL. FOUND PUMP DRIVE SHEARED AT UNUSUAL POINT. PUMP SEIZED. OVERHAUL INSTALLED AUG 15/98 AT 1116.7 AFTT. REMOVED AT 12090.7 AFTT. PART T.B.O. ISDR CA991028054Pump · failed(CAN) INSTALLED 99-01-05. ALL HOSES FROM FIREWALL TO PUMP THEN REPLACED AND P/N B3-5-1 AIR INLET FILTER REPLACED AND CHANGED AT EACH 100 HR INTERVALS. FAILED PUMP THEN REPLACED WITH OVERHAULED PUMP FROM BRIDGEMARK AEROSPACE LTD. ADDITIONAL INFORMATION FROMSDR 99ZZZX3655Hose · crackingAIRCRAFT BEGAN TO LOSE VACUUM ON INSTRUMENT AIR SYSTEM. FOUND A POSSIBLE LINE CRACK ON THE OUTSIDE FROM AGE. AFTER REMOVING THAT LINE AND OTHER LINES ALSO CONNECTED TO THE INSTRUMENTS, FOUND THAT NOT ONLY THE OUTSIDE OF THE LINE WAS CRACKED, BUT THE INSIDE LSDR 99ZZZX3650Hose · crackingAIRCRAFT BEGAN TO LOSE VACUUM ON THE INSTRUMENT AIR SYS. FOUND A POSSIBLE LINE CRACKED ON THE OUTSIDE FROM AGE. AFTER REMOVING THAT LINE AND OTHER LINES ALSO CONNECTED TO THE INSTRUMENTS, DISCOVERED NOT ONLY THE OUTSIDE OF THE LINE WAS CRACKED, BUT THE INSIDSDR 99ZZZX3845Filter · blockedIF CENTRAL INSTRUMENT AIR FILTER GETS WET, THE FILTER FIBERS EXPAND AND BLOCKS THE FLOW OF AIR TO VACUUM INSTRUMENT SYSTEM. THIS BLOCKAGE OF AIR FLOW RESULTED IN THE PILOT MAKING AN EMERGENCY LANDING IN LOW CEILINGS/IFR CONDITIONS DUE TO THE VACUUM INSTRUMENTSDR 99ZZZX4040Hose · crackedCOMPLETE VACUUM SYSTEM FAILURE, BOTH NORMAL SYSTEM AND STANDBY SYSTEM. THE FAILURE WAS CAUSED BY DETERIORATION OF VACUUM HOSES. HOSES TO THE ATTITUDE INDICATOR AND DIRECTIONAL GYRO WERE SO BRITTLE THAT BENDING THE NOSE WOULD RESULT IN COMPLETE BREAK-UP, AND SDR AU990980Pump · misinstalled(AUS) VACUUM PUMP LOOSE ON MOUNT. WHEN THE PUMP WAS REMOVED THE DRIVESHAFT WAS FOUND TO BE MISALIGNED CAUSING DAMAGE TO THE CAMSHAFT DRIVE GEAR. METAL CONTAMINATION OF THE ENGINE OIL SYSTEM. ENGINE WAS RECEIVED FROM THE GROB FACTORY WITH THE PUMP ALREADY FISDR 99ZZZX2594Hose · deterioratedALL VACUUM HOSES INSTALLED IN THIS AIRCRAFT HAVE HEAVY DETERIORATION BOTH INSIDE AND OUTSIDE OF THE HOSE. THE ONLY INDICATION OF A PROBLEM WAS A DROP IN THE VACUUM GAUGE PRESSURE WITH THE AIRCRAFT IN-FLIGHT. THIS AIRCRAFT HAS HAD TWO PREVIOUS VACUUM PUMPS INSSDR 99ZZZX2190Pump · failedENGINE PUMP FAILED AT 421 HOURS TT.SDR CA990514015Pump · failed(CAN) PILOT REPORTED THE RIGHT RED BALL WAS VISIBLE IN THE VACUUM GAUGE. THE VACUUM PUMP WAS REMOVED AND INSPECTION FOUND THE DRIVE SHAFT WAS SHEARED. THE PUMP WAS REPLACED.SDR 99ZZZX2029Filter · brittleDURING ROUTINE INSPECTION, FOUND VACUUM FILTER END CRUMBLING. FILTER WAS AT ITS 400 HOUR DUE TIME. WHEN PIECES OF RUBBER WERE REMOVED AND ROLLED BETWEEN FINGERS, THEY CRUMBLED INTO SMALL PIECES. HAVE FOUND SEVERAL LIKE THIS.SDR AU990331Pump · failed(AUS) VACUUM PUMP DETERIORATED INTERNALLY. PUMP VANES WORN AND ROTOR BREAKING UP.SDR 99ZZZX1574Line · corrodedCABIN PRESSURIZATION VACUUM SUPPLY TUBE ASSY CHAFED AND CORRODED THROUGH UNDER CABIN FLOOR AT STA 246. TUBE WAS CHAFED BY CONDITIONED AIR DUCT.SDR AU990359Vacuum Pump · removed(AUS) ENGINE RAN OUT OF OIL. VACUUM PUMP HAD BEEN REMOVED FOR REPLACEMENT AND PILOT TOOK THE AIRCRAFT WITHOUT EITHER THE NEW VACUUM PUMP OR A COVER PLATE FITTED. THE ENGINE CONSEQUENTLY RAN OUT OF OIL.SDR CA990318014Gasket · failed(CAN) VACUUM PUMP GASKET FAILED IN-FLIGHT CAUSED OIL LOSS FROM NR 1 ENGINE. THE ENGINE WAS SHUT DOWN. AIRCRAFT RETURNED TO ITS DEPARTURE POINT. POST-FLIGHT INSPECTION CONFIRMED FAILURE. NEW VACUUM PUMP GASKET WAS INSTALLED AND THE AIRCRAFT RETURNED TO SERVSDR 99ZZZX1017Vacuum Pump · failedAIR INTAKE FOR LEFT PUMP IS ON BOTTOM OF NACELLE, AFT OF FIREWALL, OUTBOARD OF NACELLE CENTERING. THIS LOCATION IS DIRECTLY AFT OF THE ENGINE CRANKCASE BREATHER. OIL VAPOR IS PRONE TO ACCUMULATE ON B3-5-1 GARTER FILTER. COMBINED WITH ANY ENGINE OIL LEAK, ENSDR 99ZZZX1138Pump · malfunctionedLEFT ENGINE VACUUM PUMP EXHIBITED LOW PRESSURE INDICATION. REMOVED PUMP. FOUND SHAFT HARD TO ROTATE. IT DID NOT SHEAR AS EXPECTED. REPLACED PUMP.SDR CA990115016Drive Couple · sheared(CAN) RIGHT VACUUM INOP LIGHT ON IN CRUISE. AT ENGINE SHUTDOWN CONFIRMED NO VACCUUM AIR PRESSURE FROM RIGHT SIDE. AVERAGE RUNNING TIME OF THIS PUMP 445 TO 670 HOURS. THIS IS 3RD PUMP IN TWO YEARS.SDR 99ZZZX283Filter · contaminatedMAIN VACUUM FILTER WAS LOCATED UNDER WINDSHIELD FORWARD SEAM. DUE TO HEAVY RAINFALL AND A LEAKING SEAL BETWEEN WINDSHIELD AND BOOT COWL, THE MAIN FILTER BECAME SATURATED WITH WATER. ON START-UP THE GYROS FILLED WITH WATER. REPAIRED AND REPLACED GYROS. DRISDR 98ZZZX4796Pump · failedSHAFT FAILED. UPON INSPECTING PUMP INTERNALLY, CORE WAS BROKEN IN 3 PIECES. OCCURRED IN CRUISE FLIGHT. VACUUM GAUGE HAD INTERMITTENT FLICKER.SDR 99ZZZX344Vacuum Pump · failedPARTIAL VACUUM PUMP FAILURE UNDETECTED IN-FLIGHT OR WITH BOTH ENGINES RUNNING BECAUSE THE RED VACUUM INDICATOR BUTTON ON THE DUAL VACUUM GAUGE IS PULLED IN WITH MINIMAL SUCTION, POSSIBLY ABOUT 1 INCH HG. THIS PROBLEM WAS DETECTED AFTER AN OIL CHANGE WHEN RUNNSDR CA981207026Regulator · intermittent(CAN) PILOTS REPORTED LEFT WING DE-ICER BOOT NOT VERY EFFICIENT WHEN NEEDED. TESTING EVENTUALLY FOUND HOSE P/N 82371-106 FROM FIREWALL TO DUAL REGULATOR LEAKING IF AIRCRAFT ROCKED DURING TEST. THE HOSE WAS HARDENED. THE LOW PRESSURE VALVE WAS NOT OPERATING SDR 98ZZZX4589Air Pump · failedFAILED 52 HOURS - OLD DRIVE SHAFT . PUMP STILL TURNS. FOUR OF LAST FOUR AIR PUMPS HAVE FAILED. HOURS TO FAILURE: NR 1, ZERO HOURS. NR 2, 10 MINUTES. NR 3, 10 HOURS. NR 4, 52 HOURS. REF: PARKER AIRBORNE SL.SDR 98ZZZX4262Air Pump · failedAIR PUMP FAILED AT START UP. SEE AIRBORNE SL 48. PUMP STILL TURNS, BUT SHAFT FAILED.SDR 98ZZZX4488Vacuum Filter · cloggedDIRECTIONAL GYRO FAILED DURING REPAIR. INSPECTED ALL VACUUM FILTERS FOR CONDTION. B3-54 FILTER BROWN IN COLOR AND 1J10-1 FILTER WAS ORIGINAL FILTER FROM DAY OF MANUFACTURE OF AIRCRAFT. DATE CODE FOUND ON FILTER 2Q74. REPLACED BOTH FILTERS. SUBMITTER STATESDR AU981470Regulator · incorrect part(AUS) VACUUM PUMP REGULATORS WERE THE INCORRECT PART FOR THE MODEL OF VACUUM PUMP FITTED. REGULATORS P/N 2H22-11 WERE FITTED INSTEAD OF THE CORRECT P/N 2H30-1 TYPE USED WITH P/N 215CC AND P/N 216CW PUMPS.SDR CA981007003Pump · failed(CAN) AFTER INSTALLATION OF THE DRY AIR PUMP AND GROUND TEST, THE PUMP FAILED WITHIN ONE HOUR. CARBON VANES APPEAR TO HAVE STUCK IN THE CENTER HUB, ONLY ONE OR TWO VANES CAN BE HEARD WHEN THE PUMP IS ROTATED BY HAND.SDR 98ZZZX3879Vacuum Line · failedTHESE LINES ARE MADE OF SURGICAL TUBING AND CRACK AND ROLL AFTER A FEW YEARS. IN THIS CASE, OWNER STARTED AIRCRAFT AND NO VACUUM WAS AVAILABLE.
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