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.

SDR NE52003F00000Pump · inoperativeVACUUM PUMP INOPERATIVEMay 15, 2003 · N635MA · Cessna 402CSDR 2003FA0000463Pump · failedDRY AIR VACUMM PUMP SHAFT SHEARD IN FLIGHT AT AROUND 7.0 HRS TOTAL TIME SINCE NEW. THE BACK-UP PUMP MODEL NR CH216CW SERIAL NR C40069 ALSO FAILED BEFORE REACHING DESTINATION WITH A TOTAL AIRFRAME TIME OF 13.0 HRS. 3 PUMPS WERE NEW AND INSTALLED DURING PRODUMay 9, 2003 · N727VP · Lancar LC40550FGSDR 2003FA0000539Pump · wornDURING GROUND RUN UP OUTPUT OF ENGINE DRIVEN DRY AIR PUMP FAILED TO PUT OUT PROPER PRESSURE AT IDLE RPM. RAN AIRCRAFT UP AND AIR PRESSURE STILL LOW AT HIGHTER RPM. TESTED SYSTEM AND FOUND ENGINE DRIVEN AIR PUMP NOT WORKING PROPERLY. BELIEVE DRY AIR PUMP VANMay 6, 2003 · N8173C · Beech F33ASDR AUS20030455Pump · failed(AUS) RT ENGINE DRIVEN VACUUM PUMP FAILED.Apr 28, 2003 · Cessna 402CSDR 2003FA0000515Gasket · failedGASKET FAILED NEAR MOUNTING STUD, ALLOWING OIL UNDER PRESSURE TO ESCAPE OVERBOARD, RESULTING IN LOSS OF OIL PRESSURE AND SUBSEQUENT EMERGENCY OFF AIRPORT LANDING. THE VACUUM PUMP WAS INSTALLED NEW IN DECEMBER 1998 AND HAS BEEN IN SERVICE FOR 826.3 HOURS. THEMar 12, 2003 · N81573 · Piper PA32301TSDR 2003FA0000462Gasket · unserviceableGASKET FAILED NEAR MOUNTING STUD, ALLOWING OIL UNDER PRESSURE TO EXCAPE OVERBOARD, RESULTING IN LOSS OF OIL PRESSURE AND SUBSEQUENT EMERGENCY OFF AIRPORT LANDING. THE VACUUM PUMP WAS INSTALLED NEW IN DECEMBER 1998 AND HAS BEEN IN SERVICE FOR 826.3 HOURS. THEMar 12, 2003 · N81573 · Piper PA32301TSDR 2003FA0000195Shaft · shearedNEW VACUUM PUMP SHAFT SHEARED WITH ONLY 3 HOURS OF OPERATION INSTALLED ON 04/25/2002. BROKE ON 02/19/2003.Feb 20, 2003 · N9625M · Mooney M20FSDR 2003FA0000197Pump · failedVACUUM PUMP FAILED UNDER NORMAL OPERATING CONDITIONS.Feb 12, 2003 · N46MA · Beech 65B80SDR CA030117002Check Valve · unserviceable(CAN) THE VACUUM SYSTEM CHECK VALVE MANIFOLD WAS DETERMINED TO BE UNSERVICEABLE DUE TO LEAKS PAST THE CHECK VALVE DISC. THIS FINDING WAS DETERMINED BY FOLLOWING THE INSPECTION CRITERIA CONTAINED IN CESSNA SB 02-37-04. THE PART WAS REMOVED FROM SERVICE AND A REJan 16, 2003 · Cessna 172RSDR CA030117001Check Valve · unserviceable(CAN) THE VACUUM SYSTEM CHECK VALVE MANIFOLD WAS DETERMINED TO BE UNSERVICEABLE DUE TO LEAKS PAST THE CHECK VALVE DISC. THIS FINDING WAS DETERMINED BY FOLLOWING THE INSPECTION CRITERIA CONTAINED IN CESSNA SB02-37-04. THE PART WAS REMOVED FROM SERVICE AND A REJan 15, 2003 · Cessna 172RSDR 2003FA0000076Pump · failedPUMP FAILED UNDER NORMAL OPERATING CONDITIONS.Dec 16, 2002 · N46MA · Beech 65B80SDR CA030115002Pump · cracked(CAN) DURING THE SCHEDULED OPERATION NR 2 ENGINE OF THE AIRCRAFT. A CRACK WAS NOTED ON THE ENGINE ATTACH BRACKET OF THE INSTALLED VACUUM PUMP. UPON REMOVAL OF THE PUMP IT WAS DISCOVERED THAT THE ENTIRE ATTACH BRACKET WAS COMPLETELY SEPARATED FROM THE PUMP. FLDec 5, 2002 · Cessna U206GSDR 2003FA0000011Pump · leakingLOSS OF OIL AND OIL PRESSURE ON RT ENGINE. TROUBLESHOT FOUND LEAKING FROM VACUUM PUMP BASE. REMOVED VACUUM PUMP. FOUND PIECES OF OLD GASKET STILL ATTACHED TO MOUNTING PAD WITH A NEW GASKET INSTALLED. CLEANED MOUNTING BASE, INSTALLED NEW VACUUM PUMP GASKET Dec 3, 2002 · N356D · Cessna 340ASDR 2003F00143Line · cloggedDEBRIS WAS DISCOVERED IN THE PRESSURE LINE TO THE EJECTOR PUMP. THIS CAUSED A LACK OF VACUUM TO THE OUTFLOW VALVES AND ALLOWED THE CABIN TO PRESSURIZE ON THE GROUND.Oct 30, 2002 · N10R · Lear 45LEARSDR 2002FA0001192Pump · failedVACUUM PUMP FAILED IN NIGHT IFR CONDITIONS.Oct 3, 2002 · N4613W · Gulstm 112TCSDR 2002FA0000772Pump · failedUNABLE TO MAKE INSTRUMENT AIR PRESSURE AT LOW RPM, INSPECTED SYSTEM AND FOUND THAT THE PUMP WAS MAKING SMALL CHUNKS OF CARBON FOUNDED IN THE REGULATOR AND INLET FILTER. PURGED SYSTEM AND CLEANED LINES IN SYSTEM. NEW INLET AND INLINE FILTER INSTALLED. NEW PUJun 10, 2002 · N1568P · Beech F33ASDR A852002F00000Valve · failedVALVE WAS REPLACED WAS WITH IN SERIAL NUMBERS TO BE RE-USED IN MOD TO SVS V SYSTEM TO COMPLY WITH ALTERNATE METHOD OF COMPLAIANCE TO AD. VALVE WAS FOUND TO HAVE FAILED INT HE OPEN POSITION ON BACK UP SIDE.Apr 15, 2002 · N20300 · Cessna 177BSDR 2002FA0000399Manifold · detachedTHIS AIRCRAFT USES DUAL VACUUM PUMPS. THESE PUMPS ARE CONNECTED TO THE VACUUM SYSTEM VIA A MANIFOLD ASSEMBLY. THIS MANIFOLD PERFORMS TWO IMPORTANT FUNCTIONS, ONE TO ALLOW FOR A COMBINED SOURCE OF VACUUM FROM THESE TWO PUMPS, AS WELL AS PROVIDE AN ISOLATION FUNMar 26, 2002 · N482ER · Cessna 172RSDR AUS20020137Pump · failed(AUS) VACUUM PUMP FAILED.Feb 21, 2002 · Cessna 404CESSNASDR AUS20020136Pump · unserviceable(AUS) VACUUM PUMP FAILED.Feb 21, 2002 · Cessna 404CESSNASDR 2002FA0000284Pump · seizedBOTH PUMPS FAILED WITHIN 30 MINUTES OF EACH OTHER. BOTH LOW TEMPERATURE PUMPS OVERLOADED.Feb 18, 2002 · N648SC · Piper PA31PSDR AUS20020128Pump · inoperative(AUS) LH VACUUM PUMP DRIVE SHEARED.Feb 15, 2002 · Piper PA31SDR ODAR0184Pump · failedPILOT EXPERIENCED A DUAL VACUUM PUMP FAILURE IN VFR CONDITIONS.Feb 7, 2002 · N707PW · Beech 58SDR 2002FA0000332Pump · inoperativePILOT EXPERIENCED DUAL VACUUM PUMP FAILURE IN FLIGHT IN VFR CONDITIONS.Feb 7, 2002 · N58WC · Beech 58SDR EA42002F00000Valve · brokenRUBBER FLAPPER BROKE OFF AND BLOCKED VACUUM INLET FROM RIGHT VACUUM PUMP. THEN RIGHT ENGINE WAS OPERATED ALONE, BOTH FAIL INDICATORS WERE OUT AND VACUUM INDICATED (0)ZERO. WHEN LEFT ENGINE WAS OPERATED ALONE BOTH INDICATORS WERE IN AND VACUUM INDICATED 5.0Jan 2, 2002 · N100CP · Cessna 310QSDR CVU2002F00001Pump · failedVACUUM PUMP, PUMP FAILED UNDER NORMAL OPERATING CONDITIONS.Dec 20, 2001 · N46MA · Beech 65B80SDR 2002FA0000107Shuttle Valve · failedAFTER STARTING THE RT ENGINE & THE LT ENGINE IS OFF. THE RT VACUUM SYSTEM PULLED BOTH LT & RT ORANGE INDICATOR BULLETS ON THE VACUUM GAUGE INDICATING THAT THE LT VACUUM SYSTEM IS WORKING, BUT THE LT ENGINE IS SHUT DOWN. CAUSE: THE LT SHUTTLE/CHECK VALVE FOR THDec 12, 2001 · N3264Q · Cessna 401SDR 2001FA0000661Coupling · shearedPNEUMATIC PUMP COUPLING SHEARED AFTER 230.7 HOURS OF OPERATION.Nov 20, 2001 · N2741R · Cessna 340ASDR R20888Screw · corrodedINSTRUMENT AIR FILTER ATTACHING SCREW CORRODED AND CAUSES METAL DEBRIS TO ENTER VACUUM SYSTEM UNFILTERED.Nov 8, 2001 · N300YB · Mooney M20JSDR CA011217005Gasket · torn(CAN) PILOT EXPERIENCED OIL PRESSURE LOSS RT ENGINE WHILE INCRUISE. SHUTDOWN AND A/C LANDED WITH NO OTHER INCIDENT. ENGINE WAS REMOVED. INSPECTION FOUND ONE LOOSE VACUUM PUMP RETENSION NUT. WHEN PUMP AND ADAPTOR REMOVED GASKET FOUND TORN AREA NEAR LOOSE NUT. TOct 28, 2001 · Piper PA31SDR AUS20011106Pump · failed(AUS) VACUUM PUMP FAILED AND DRIVE SHAFT SHEARED.Oct 19, 2001 · Pac CT4BSDR 2001FA0000662Pump · shearedPNEUMATIC PUMP SHEARED AFTER 113 HOURS OF OPERATION. PUMP COULD BE ROTATED WHEN REMOVED. COUPLING SHOWED SIGNS OF HEAT (MELTED EDGES).Oct 11, 2001 · N2741R · Cessna 340ASDR 2001F00362Coupling · shearedDRIVE COUPLING SHEARED AFTER 30.52 HOURS OPERATION SINCE NEW. THIS IS THE FOURTH COUPLING (PUMP) FAILURE OF PUMPS INSTALLED ON THIS AIRCRAFT ENGINE. OTHERS FAILED AFTER 30.95, 63.35, 73.17 HOURS OF OPERATION. VACUUM SYSTEM TESTED FOR LEAKS AND VACUUM LINES Aug 28, 2001 · N4128H · Mooney M20JSDR AUS20010962Pump · failed(AUS) VACUUM PUMP SEIZED AND DRIVE SHAFT SHEARED.Aug 22, 2001 · Pac CT4BSDR 2001FA0000136Fitting · brokenTHE PILOT REPORTED THAT THERE WAS ZERO VACUUM INDICATED ON THE GAUGE AND THAT THE HSI GYRO WOULD NOT ERECT. A VISUAL INSPECTION BY A MAINTENANCE TECHNICIAN REVEALED THAT THE VACUUM SUPPLY LINE REDUCER FITTING WAS BROKEN IN TWO.Jul 5, 2001 · N7260Q · Cessna 182SSDR AUS20010721Hose · deteriorated(AUS) INSTRUMENT VACUUM HOSES LOCATED BEHIND THE INSTRUMENT PANEL DETERIORATED. HOSES ARE BRANDED IMPERIAL EASTMAN REDI-SEAL.Jul 2, 2001 · Cessna 210RSDR 2001FA0000108Hose · disintegratedCUSTOMER REPORTED LOW VACUUM INDICATION BUT GYROS RUNNING OK. INITIAL INVESTIGATION ALL HOSES LOOKED OK, HOWEVER WHEN HOSES WERE TOUCHED, FELL APART. THE ABOVE REFERENCED PN IS FOR ONE OF THE VACUUM GAUGE HOSES, HOWEVER ALL INSTRUMENT HOSE WERE OF THE SAME TJun 27, 2001 · N9953H · Cessna 182RSDR AUS20010686Valve · faulty(AUS) RH VACUUM SYSTEM MANIFOLD CHECK VALVE FAULTY.Jun 22, 2001 · Cessna 402BSDR AUS20010647Pump · failed(AUS) LH ENGINE DRIVEN VACUUM PUMP ROTOR SEIZED AND DRIVESHAFT SHEARED.Jun 21, 2001 · Beech D55SDR 2001FA0000401Gear · wornREMOVE VACUUM PUMP DRIVE SHAFT GEAR, OIL LEAKING INTO VACUUM PUMP, WORN SPOT ON SHAFT DAMAGED OIL SEAL CAUSING OIL LEAK.Jun 18, 2001 · N1409R · Amrgen AA1BSDR 2001FA0000182Gasket · missingWHILE PERFORMING AN ANNUAL INSPECTION ON THIS AIRCRAFT, AND OIL LEAK WAS NOTICED COMING FROM THE LOWER VACUUM PUMP DRIVE PAD. FURTHER INSPECTION REVEALED THAT THE GASKET FOR THE PUMP WAS MISSING. A NEW GASKET WAS INSTALLED AND A LEAK CHECK WAS PERFORMED.Jun 14, 2001 · N132ME · Cessna 182SSDR CA010628048Pump · worn(CAN) DURING FLIGHT, PILOT REPORTED GRADUAL LOSS OF VACUUM PRESSURE. UPON INSPECTION, VACUUM PUMP SPLINE AND DRIVE SPLINE WERE BOTH FOUND TO BE EXCESSIVELY WORN. SPLINE AND VACUUM PUMP REPLACED.Jun 14, 2001 · Dhav DHC2MK1SDR FPI2001F00004Spring · brokenSPRING ON SHUTTLE VALVE FLAPPER DOOR (ENGINE DRIVEN VACUUM PUMP SIDE) BROKE SHELLING OUT ENGINE DRIVEN VACUUM PUMP THUS ALLOWING ENGINE VACUUM TO VENT THROUGH ENGINE DRIVEN PUMP, CAUSING TOTAL LOSS OF VACUUM SYSTEM.Jun 13, 2001 · N2145U · Cessna T210NSDR 20010529CW006Valve · brokenDURING ANNUAL INSPECTION WE FOUND BOTH DEICE/INSTRUMENT AIR VALVES TO BE BROKEN IN THE SAME PLACE ON BOTH SIDES. THE RELIEF VALVE HOUSING WAS BROKEN AWAY FROM THE REGULATOR AT THE GLUE LINE.Apr 25, 2001 · N111VC · Piper PA31350SDR 20010529CW007Gear · wornA DETAINLED INVESTIGATION OF THE STARTER DRIVE REVEALED THAT ALL OF THE GEAR TEETH WERE WORN EXCESSIVELY ON ONE OF THE BEVEL GEARS WHICH DRIVES THE VACUUM PUMP.Apr 23, 2001 · N729AS · Cessna 337HSDR 20010501CW022Bevel Gear · shearedA DETAILED INVESTIGATION OF THE STARTER DEIVE REVEALED THAT ALL TO THE GEAR TEETH WERE WORN EXCESSIVELY ON ONE OF THE BEVEL GEARS WHICH DRIVES THE VACUUM PUMP. THIS IS THE FIFTH FAILURE OF THIS GEAR THAT WE HAVE DETECTED.Apr 12, 2001 · N726AS · Cessna 337GSDR 20010424CW010Bevel Gear · shearedPILOT REPORTED LOSS OF INSTRUMENT VACUUM FROM REAR ENGINE DURING BEFORE TAKEOFF GROUND RUN UP. INVESTIGATION REVEALED THAT THE VACUUM PUMP WAS STILL SERVICEABLE. FURTHER INVESTIGATION REVEALED THAT ALL OF THE GEAR TEETH WERE SHEARED OFF OF ONE OF THE BEVEL GApr 3, 2001 · N726AS · Cessna 337GSDR 20010227CW008Pump · malfunctionedLOST VACUUM IN FLIGHT. FOUND DRIVE SHAFT SHEARED. INSTALLED REPLAACEMENT PUMP SYSTEM. CK SATISFACTORY. NO LOG ENTRY FOUND FOR S/N OF VACUUM PUMP REMOVEDFeb 1, 2001 · N6222V · Beech 36BEECHSDR 20001120SH061Casting · brokenCASTING BROKE BETWEEN MOUNTING PAD AND BARREL. (X)Oct 27, 2000 · N8515W · Cessna U206FSDR CA001110002Spline Adapter · sheared(CAN) PNEUMATIC PUMP WARNING CAME ON IN CRUISE ON RETURN FLIGHT TO BASE (CARGO FLIGHT). REPLACED PUMP, USUAL DRY AIR PUMP FAILURE.Oct 23, 2000 · Piper PA31350
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