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 CA980930022Dry Air Pump · damaged(CAN) END SHEARED ON DRY AIR PUMP.Sep 21, 1998 · Parten P68CSDR 20000501SH012Hose · deterioratedOWNER/OPERATOR COMPLAINED OF ERRATIC VACUUM PRESSURE AFTER INSTALLATION OF NEW VACUUM PUMP AT ANOTHER FACILITY. UPON INSP OF VACUUM SYSTEM, FOUND ALL IMPERIAL EASTMAN HYTRON REDI-SEAL P/N B906 AND B903 HOSES INSTALLED IN THE VACUUM SYS HAD DETERIORATED INTERNAug 31, 1998 · N65065 · Cessna 172PSDR 20000501SH011Hose · deterioratedOWNER/OPERATOR COMPLAINED OF ERRATIC VACUUM PRESSURE AFTER INSTALLATION OF NEW VACUUM PUMP AT ANOTHER FACILITY. UPON INSP OF VACUUM SYSTEM, FOUND ALL IMPERIAL EASTMAN HYTRON REDI-SEAL P/N B906 AND B903 HOSES INSTALLED IN THE VACUUM SYS HAD DETERIORATED INTERNAug 31, 1998 · N65065 · Cessna 172PSDR CA980825014Dry Air Pump · failed(CAN) NEW PUMP INSTALLED AND FAILED ON FIRST FLIGHT. SUBMITTER SUSPECTED HEAT FROM EXHAUST AND TURBO. REPLACED.Aug 15, 1998 · Piper PA31350SDR CA980825013Dry Air Pump · failed(CAN) PILOT REPORTED INEFFECTIVITY OF LEFT VACUUM PUMP. INTERNAL DAMAGE. SUBMITTER STATED SHAFT DID NOT SHEAR AS HAPPENS NORMALLY. REPLACED.Aug 12, 1998 · Piper PA31350SDR 98ZZZX3421Pump · failedAIRBORNE 211CC INSTALLED AT 952.8; 49.1 HOURS LATER, PUMP FAILED. AT 1,001.9 HOURS, AIRBORNE 211CC INSTALLED (UNDER WARRANTY). PUMP FAILED AT 1,246.0 HOURS. ALL REPLACEMENTS USED NEW SEALS, HOSES, AND FILTERS. OVERHEAT NOT INDICATED.Aug 12, 1998 · N4097H · Mooney M20KSDR 98ZZZX3009Manifold · leakingDURING ENGINE STARTS, PNEUMATIC GAUGE SHOWED 2 BUTTONS WITH RIGHT ENGINE OFF AND ZERO PRESSURE. BOTH BUTTONS PULLED WHEN RIGHT ENGINE STARTED AND GAUGE INDICATED 5.25 INCHES. TROUBLESHOOTING REVEALED CHECK VALVES IN MANIFOLD LEAKING. VALVE HAD BEEEN INSTALLJul 22, 1998 · N2110A · Beech 58PSDR 98ZZZX2638Pump · failedVACUUM PUMP FAILED DURING FLIGHT TRAINING OPERATIONS. WHEN MAXIMUM TAKEOFF POWER WAS USED.Jun 30, 1998 · N46MA · Beech 65B80SDR HEEA0014879Valve · inoperativeVACUUM SYSTEM VALVE INOPERATIVE.Jun 22, 1998 · N500PH · King ASDR 98ZZZX3927Pump · failedSECOND VAC PUMP FAILURE IN 253 HOURS OPERATION. FIRST PUMP FAILED AT 188 HOURS. SECOND PUMP FAILED AFTER 65 HOURS.May 27, 1998 · N81573 · Piper PA32301TSDR 98ZZZX2046Filter · brokenWHILE RUNNING AIRCRAFT BEFORE AN ANNUAL INSPECTION, NOTED THE LT GYRO PRESSURE WAS LOW. THE OWNER MENTIONED THE PRESSURE REGULATOR NEEDED TO BE ADJUSTED. INSPECTION OF THE PRESSURE SYSTEM FILTERS FOUND THE IN-LINE GYRO PRESSURE FILTER HAD A PIECE OF THE BODYApr 17, 1998 · N4621M · Beech 58SDR 99ZZZX1062Press Manifold · wornOPERATOR HAS EXPERIENCED MULTIPLE VACUUM PUMP FAILURES OF STANDBY PUMP. HE OPERATES PUMP CONTINUOUSLY. AT LAST PUMP REPLACEMENT, FOUND PUMP SEVERELY OVERHEATED. TRACED POSSIBLE CAUSE TO DEFECTIVE PRESSURE MANIFOLD ALLOWING PRESSURE FROM PRIMARY VACUUM PUMP Apr 16, 1998 · N9125R · Piper PA46310PSDR 99ZZZX701Pump · damagedFOUND UPPER RIGHT HAND TUBE OF LEFT ENGINE MOUNT DENTED ON THE BOTTOM. FOUND FITTING OF SIGMA-TEK VACUUM PUMP ALSO DAMAGED. DETERMINED SET-UP OF SIGMA-TEK PUMPS (PORTS PERPENDICULAR TO AXIS OF PUMP RATHER THAN PARALLEL AS ON AIRBORNE) PUT FITTING TOO CLOSE TMar 25, 1998 · N8607Y · Piper PA30SDR 98ZZZX1383Adapter · crackedWHILE INVESTIGATING AN OIL LEAK ON THE RT ENGINE, DID A DYE PENETRANT INSPECTION OF THE AIR PUMP ADAPTER, AND FOUND IT CRACKED IN THE AREA OF THE FLANGE THAT MATES WITH THE ENGINE ACCESSORY CASE. SUBMITTER STATED THEY FIND THIS A COMMON DEFECT IN FLEET OF 17 Mar 24, 1998 · N138BA · Beech 65B80SDR 98ZZZX1324Check Valve · failedDURING ENGINE RUNS FOR PHASE INSPECTION, LT ENGINE STARTED AND BOTH VACUUM FAIL BUTTONS PULLED ON GAUGE. VACUUM PRESSURE NORMAL. RT ENGINE WAS NOT RUNNING. RT ENGINE STARTED, ALL INDICATIONS NORMAL. LT ENGINE SHUT DOWN WITH RT ENGINE RUNNING AND BOTH BUTTOMar 4, 1998 · N98437 · Cessna 421CSDR 98ZZZX1554Hose · deterioratedVACUUM SYSTEM HOSE BELIEVED TO BE FACTORY INSTALLED HAD A VACUUM LEAK. TROUBLESHOOTING, HOSE APPEARED OK UNTIL WIGGLED BY HAND. CRACKS IN HOSE APPEARED AND INTERNAL HOSE MATERIAL DISINTEGRATED.Mar 1, 1998 · N54413 · Cessna 172PSDR 98ZZZX845Adapter · crackedADAPTER IS INSTALLED ON A BEECHCRAFT MODEL 65 WITH EXCALIBUR CONVERSION. SUBMITTER STATED HAVE HAD NUMEROUS VACUUM ADAPTERS CRACK. TOTAL TIME ON PART SINCE NEW 89.3 HOURS.Feb 4, 1998 · N115HF · Beech L23FSDR 98ZZZX1014Pump · failedVACUUM PUMP FAILED. SUBMITTER STATED ROUTINE WEAR CAUSED BY OPERATION HOURS.Dec 29, 1997 · N732DZ · Cessna 210LSDR AU971525Filter · cracked(AUS) VACUUM SYSTEM CLEAR INLINE PRESSURE FILTER CRACKED AROUND JOINT.Dec 9, 1997 · Beech F33ASDR 97ZZZX5171Hose · leakVACUUM HOSES ORIGINALLY INSTALLED BECAME BRITTLE AND CRACKED ALONG THE HOSE ALLOWING LEAKAGE INTO SYSTEM. ALL LINES WERE REPLACED.Dec 4, 1997 · N735GE · Cessna A185FSDR PNSA971216Vacuum Pump · failedVACUUM PUMP FAILED EN ROUTE, DIVERTED FLIGHT TO MAINTENANCE BASE, REPLACED PUMP.Dec 1, 1997 · N82455 · Piper PA32301SDR 97ZZZX5103Pump · failedPUMP FAILED ON FIRST TAKEOFF. VACUUM PUMP NEWLY OVERHAULED.Nov 24, 1997 · N4240T · Piper PA28180SDR 97ZZZX4968Tube Assy · chafedVACUUM TUBE ASSY WAS WORN THROUGH IN A 3 INCH BY .1250 INCH AREA. THE RADAR CRT WAS RESTING ON PIPE. THERE WAS NO LEAK WHEN THE PANEL WAS AT REST. MOVING THE GEAR HANDLE EXPOSED THE LEAK BY MOVING THE RADAR UNIT FOWARD. THIS WAS FOUND WHEN PERFORMING A RETNov 17, 1997 · N491JV · Beech C90ASDR CA971113022Adapter · fused(CAN) SHORTLY AFTER TAKEOFF, SMELL OF OIL, IND OF NO VACUUM PRESS. PILOT RETURNED TO DEPART POINT. INSP FOUND OIL LEAKING DOWN SIDE OF A/C AND INVEST FOUND FAULT TO BE VACUUM PUMP ADAPTER. NON-FERROUS METAL FOUND IN OIL SCREEN. VACUUM PUMP DRIVE ADAPTOR WOOct 17, 1997SDR 97ZZZX4269Filter · failedWHEN INSTALLING VAC SYS FILTER, ONE OF THE FILTER ENDS STARTED TO BREAK APART.Sep 18, 1997SDR 97ZZZX4386Pump · failedVACUUM PUMP FAILED UNDER NORMAL OPERATING CONDITIONS. SUBMITTER STATED THIS PUMP HAD AN EXCEPTIONALLY LONG SERVICE LIFE.Sep 5, 1997 · N46MA · Beech 65B80SDR 97ZZZX5033Vacuum Line · chafedA PRESSURIZATION BUMP WAS FELT WHEN MAIN AIR VALVES WERE TURNED ON OR THROTTLES WERE MOVED. FOUND RT AILERON CABLE HAD CHAFED THROUGH VACUUM LINE AT FRAME 9 ON RT SIDE OF AIRCRAFT. SUSPECT CABLE TENSION HAD BEEN RELAXED, THEN TENSIONED, WHICH PUT THE CABLE OSep 4, 1997 · N701NW · Braero HS125700ASDR 97ZZZX4451Hose · deterioratedVACUUM SYSTEM SHOWED LOW VACUUM. PER MM, PUMP REMOVED AND CHECKED SATISFACTORILY. VACUUM REGULATOR REPLACED. SYSTEM STILL LOW. INSTRUMENT PANEL REMOVED AND SPECIAL REINFORCED HOSE TO AND FROM REGULATOR FOUND TERRIBLY DECOMPOSED AND SIMPLY TOUCHING IT WOULDAug 29, 1997 · N9677A · Cessna 172PSDR 97ZZZX3324Pump · failedVACUUM PUMP FAILED. BOTH FILTERS CHANGED. REASON FOR FAILURE, UNKNOWN AT THIS TIME.Jul 8, 1997 · N361BC · Beech A36SDR AU970737Pump · faulty(AUS) LH ENGINE DRIVEN VACUUM PUMP FAULTYJun 17, 1997 · Doug DC3CR183090CSDR CA970620008Vacuum Filter · failed(CAN) VACUUM PUMP SNAGGED UNSERVICEABLE. MAINTENANCE FOUND THE INLINE FILTER SPLIT AT THE CANISTER END. SUBMITTER STATES THAT HIGH PRESSURE MAY HAVE BEEN TOO MUCH FOR THIS NEW TYPE OF FILTERJun 13, 1997 · Piper PA31SDR 97ZZZX2955Pump · failedDURING VFR FLIGHT, LOST AIR OPERATED INSTRUMENTS. LANDED WITHOUT INCIDENT. ENGINE TT, 1,700 HRS.Jun 11, 1997 · N40RP · Cessna P210NSDR CA970620016Vacuum Pump · failed(CAN) ENGINE VACUUM PUMP QUIT DURING CRUISE FLIGHT. PUMP HAD 422 HOURS ON IT AND THE ENGINE HAD 100.5 SINCE OVERHUAL.Jun 9, 1997 · Piper PA31350SDR 97ZZZX2817Line · deterioratedTHE AUXILIARY INSTRUMENT VACUUM SYSTEM LINE PASSES CLOSE TO THE LT EXHAUST STACK. COMING OUT OF THE AFT SIDE OF THE IN-LINE FILTER IS A PLASTIC HOSE THAT CONNECTS THE FILTER TO THE HARD LINE. THIS HARD PLASTIC HOSE CANNOT TAKE THE HEAT FROM THE EXHAUST AND HJun 5, 1997 · N8004V · Beech F33ASDR 97ZZZX3024Pump · shaft failedINSTALLED NEW VACUUM PUMP: WITHIN 98 HOURS, PUMP WAS INOPERABLE. CAUSE WAS BROKEN PUMP TO GEAR DRIVESHAFT TWISTED OFF. CHECKED AND FOUND NO ENGINE STOPPAGE OR INTERNAL PROBLEM WITH ENGINE TO CAUSE BROKEN SHAFT. SUSPECT CAUSE - VANE IN PUMP STOPPED PUMP ROTAMay 27, 1997 · N8404X · Piper PA34220TSDR CA970421061Dry Air Pump · loose(CAN) DURING TRAINING THE RIGHT HAND ENGINE OIL PRESSURE BEGAN TO DROP. ENGINE WAS SHUTDOWN AND THE AIRCRAFT LANDED SAFELY. INSPECTION FOUND THE DRY AIR PUMP LOWER ATTACHING HARDWARE WAS NOT TIGHT, CAUSING A SUBSTANTIAL OIL LEAK. THE HARDWARE WAS SECURED AND Apr 1, 1997 · Beech D95ASDR 97ZZZX1585Filter · meltedIN-LINE AIR FILTER FOR AUXILIARY AIR SYSTEM MOUNTED SIX INCHES FROM LEFT EXHAUST STACK. THIS ITEM WAS MOUNTED FOR 50 HOURS IN WHICH TIME PART OF THE HOUSING MELTED, AND THE REST BROKE APART FROM HEAT DAMAGE. HOUSING IS MADE OF PLASTIC. MANUFACTURER NEEDS TOMar 27, 1997 · N5530A · Beech F33ASDR CA970407016Vacuum Pump · faulty(CAN) REPORT OF #2 ENGINE VACUUM PUMP INOPERATIVE. PUMP REMOVED AND COMPOSITE SHAFT/SPLINE FOUND SHEARED. OVERHAULED VACUUM PUMP INSTALLED.Mar 21, 1997 · Cessna 402CSDR 97ZZZX1975Pump · failedTHE RIGHT HAND AIR PRESSURE PUMP FAILED ON A NORMAL FLIGHT. NO UNUSUAL CONDITIONS EXISTED AT THE TIME. WHEN THESE PUMPS FAIL, THEY NORMALLY SHEAR THE COUPLING SINCE THEY ARE DESIGNED TO DO THIS. IT IS NOT KNOWN WHY THIS PUMP FAILED PREMATURELY AT 400 HOURS.Mar 10, 1997 · N407TJ · Piper PA31325SDR 97ZZZX1200Shuttle Valve · failedCHECK VALVE FAILED ON ENGINE DRIVEN VACUUM PUMP. SIDE RIVET HEAD SEPARATED FROM VALVE ASSEMBLY. RENDERED VALVE INOP.Mar 5, 1997 · N4887J · Beech 35C33SDR 97ZZZX1715Air Filter · meltedDURING A ROUTINE INSP OF THE AIRCRAFT, FOUND THE IN-LINE AIR FILTER TO THE SECONDARY PRESSURE SYSTEM HAD BEEN HEATED BY THE EXHAUST SYSTEM ON THE LEFT EXHAUST. THE CLEAR PLASTIC MELTED THEN SHATTERED IN PIECES. SUBMITTER STATED THIS COULD CAUSE SMALL PIECES Mar 1, 1997 · N5530A · Beech F33ASDR CA970226063Pump · failed(CAN) VACUUM PUMP FAILED IN-FLIGHT. SPLINE BROKEN AND DISINTEGRATED. PUMP WAS SEIZED. SUBMITTER SUGGESTED THAT INSPECTION BE CARRIED OUT EVERY 500 HOURS TO DETERMINE PUMP SMOOTH OPERATION.Feb 19, 1997 · Piper PA31350SDR AU970173Hose · deteriorated(AUS) VACUUM PUMP AIR HOSES DETERIORATED AND BREAKING UP INTERNALLY - FOUND DURING INSPECTION IAW CESSNA SEB 96-10Feb 18, 1997 · Cessna 210NSDR CA970219014Gasket · leaking(CAN) AFTER TAKEOFF THE PILOT NOTICED A DROP IN MANIFOLD AND OIL PRESSURES ON #2 ENGINE. THE ENGINE WAS SHUTDOWN AND THE AIRCRAFT RETURNED TO BASE. POST FLIGHT INSPECITON FOUND THE #2 ENGINE COWLING SATURATED WITH ENGINE OIL. FURTHER INVESTIGATION FOUND THE VAFeb 9, 1997 · Piper PA31SDR CA970217005Vacuum Pump · failed(CAN) PILOT NOTICED THE RIGHT HAND VACUUM INDICATION PIN HAD POPPED OUT. INSPECTION FOUND THE PUMP HAD FAILED. NEW UNIT INSTALLED.Feb 7, 1997 · Piper PA31SDR 97ZZZX1329Regulator · defectiveDURING POST-INSPECTION RUN UP, NOTICED CO-PILOT'S ATTITUDE GYRO AIR PRESSURE LOW AND GYRO UNSTABLE. FOUND FIRST STAGE AIR PRESSURE REGULATOR LOWER THAN NORMAL AND UNADJUSTABLE. REPLACED REGULATOR. FOUND CORROSION, DIRT, AND WATER INSIDE REGULATOR. AIR FILTEJan 27, 1997 · N211QS · Cessna S550SDR 97ZZZX1173Pump · inoperativePILOT REPORTED GYRO WAS OUT. (IFR) A/C DIVERTED TO RFD. BOTH INSTRUMENT VACUUM PUMPS FAILED, LT AND RT. NO FAULT COULD BE FOUND THAT WOULD CAUSE BOTH PUMPS TO FAIL SIMULTANEOUSLY. TOTAL TIME OF PUMPS UNKNOWN. RECOMMEND LOG BOOK ENTRIES BE MADE WHEN VACUUMJan 15, 1997 · N6371V · Beech 58PSDR 98ZZZX689Pump · failedDEPARTED AIRPORT AND WITHIN 30 MINUTES VACUUM PUMP BROKE. RETURNED TO BASE. NO OTHER TROUBLE.Jan 7, 1997 · N361BC · Beech 36BEECHSDR CA961218003Pump · failure(CAN) OVERHAULED VACUUM PUMP INSTALLED AFTER VACUUM PUMP FAILURE. EIGHT HOURS LATER THE VACUUM PUMP SEIZED AND FAILED FOR NO APPARENT REASON. THIS IS THE SECOND "RAPCO" PUMP TO FAIL EARLY.Dec 10, 1996 · Beech 58SDR 96ZZZX6139Pump · failedVAC PUMP REMOVED FOR ENGINE REPAIR. SHAFT VERY HARD TO TURN AND UNIT SQUEALED.Dec 5, 1996 · N18MC · Piper PA31P
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