JASC 2915

Service difficulty reports · 101

Reports filed under 2915 · Hydraulic Pressure Relief Valve, Main, 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 = '2915'
  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 CA040916007Switch · malfunctionedSHORTLY AFTER T/O, WARNING HORN & NOTICED 'HYD CAUTION LIGHT' ON. A FEW SECONDS LATER, ERRATIC CYC MOVEMENT FELT. RETURNED & LANDED W/O INCIDENT. MX INSPECT DID NOT ISOLATE CAUSE FOR MALFUNCTION. HYD SYS CK APPEARED TO BE NORM. HYD PUMP SPLINES INSPECTED & Sep 3, 2004 · Snias AS350BSDR DL73S040229Relief Valve · failedDURING APPROACH PHASE AFTER PLACING THE FLAP LEVER TO 5 SYSTEM A PRESSURE WENT TO ZERO WITH ASSOCIATED SYSTEM A LOW PRESSURE LIGHTS ILLUMINATED. REPLACED SEVERAL LINES AND RESERVOIR PRESSURE RELIEF VALVE.Mar 11, 2004 · N329DL · Boeing 737232SDR A6WA200440011Relief Valve · inoperativeNOSE GEAR DISAGREE INFLIGHT AFTER TAKEOFF, COMPLIED WITH QRH. HYDRAULIC 3 HIGH TEMP ON GROUND. COMPLIED WITH QRH. REMOVED AND REPLACED PRESSURE MANIFOLD RELIEF VALVE PER AMM 29-12-07. LEAK CHECK GOOD. PERFORMED MULTIPLE GEAR SWINGS IAW 32-30-00. REMOVED Jan 24, 2004 · N428AW · Cndair CL6002B19SDR UO22003F00013Relief Valve · leakingTHE AIRCRAFT WAS CLIMBING TO 37,000 FT WHEN THE LOW HYDRAULIC RESERVOIR HEAD PRESSURE LIGHT COME ON. THE PILOT DESCENDED TO 20,000 FT IAW THE FLIGHT MANUAL. WE FOUND THAT THE NR 2 HYDRAULIC RESERVOIR OVER PRESSURE RELIEF VALVE WAS LEAKING. THE VALVE WAS PURDec 1, 2003 · N600CD · Amd FALCON20F5SDR AWXA200301480Module · failedON DESCENT, A-SYSTEM HYDS FAILED, A/C WAS TOWED OFF RUNWAY TO GATE. MX FOUND CHECK VALVE BLOWN OUT OF A-SYSTEM HYD PRESSURE MANIFOLD, R / R A-SYSTEM HYD PRESSURE MODULE ASSY IAW BMM. DUE TO LOSS OF FLUID REPLACED A-SYSTEM HYD EDP IAW T/C R5M29001, A-SYSTEM HNov 22, 2003 · N326AW · Boeing 737301SDR MEX2003514Relief Valve · failedAIRCRAFT RETURNED TO PLATFORM DUE TO RT HYD HIGH TEMPERATURE INDICATION. AIRCRAFT WAS TAKEN TO THE MAINTENANCE HANGAR AND DURING OVERNIGHT SERVICE AT MEX. THE HYD RELIEF VALVE AND THE TEMPERATURE SENSOR WERE REPLACED IAW MM 29-10-12, TESTS WERE PERFORMED IAWNov 10, 2003 · Doug MD83SDR CA030918003Controller · stuck(CAN) HYDRAULIC SELECTED OFF. HYDRAULICS TOOK 35 SECONDS TO TURN OFF. SUSPECT SLIDER STICKING OPEN. REPLACED HYDRAULIC CONTROLLER (REGULATOR) WITH SERVICEABLE UNIT. TEST NORMAL.Sep 8, 2003 · Snias AS350BASDR T192003F00000Pressure Switch · failedTHE RT ENGINE HYD PRESSURE SWITCH LOCATED IN THE AFT EQUIPMENT BAY FAILED AND LEAKED HYDRAULIC FLUID EXTERNALLY. THIS CAUSED A FAILURE OF THE PRIMARY HYDRAULIC SYSTEM. THE SWITCH IS A KNOWN PROBLEM AND HAS BEEN REPLACED WITH AN IMPROVED STYLE KIT BY SB 1125-Aug 25, 2003 · N225AL · Israel 1125SDR HEEA088524Master Cylinder · malfunctionedMAIN ROTOR BRAKE MASTER CYLINDER HAS NO OUTPUT PRESSURE. IN SHOP REPAIR.Jul 12, 2003 · N142PH · Bell 412SDR 102302Regulator Valve · malfunctionedAT FLIGHT LEVEL 430 HYRDRALIC PRESSURE INDICATED 0, AIRCRAFT WAS DIVERTED TO LIT. DURING DESENT THE LT ENGINE OIL LIGHT CAME ILLUMINATED. THIS ENGINE WAS SHUT DOWN. AIRCRAFT WAS PREPARE FOR EMERGANCY LANDING PROCEDURES. CAUSE OF THE HYD FAILURE WAS PRESSURE REOct 22, 2002 · N425JL · Lear 25BSDR 2002FA0001186Pressure Switch · leakingHYD FLUID SQUIRTING FROM UPPER PART OF PRESSURE SWITCH.Oct 8, 2002 · N1630 · Raythn HAWKER800XPSDR 0202699975Relief Valve · leakingDURING GEAR UPLATCH CHECK AFTER TAKEOFF, THE RIGHT HYDRAULIC SYSTEM FLUID QUANTITY WENT TO ZERO. GEAR DOOR OPENED AND MAIN LANDING GEAR EXTENDED AS THE HYDRAULIC SYSTEM FAILED. CREW ENSURED GEAR WAS PROPERLY EXTENDED PER COM. FLIGHT RETURNED TO MDT AND LANDAug 27, 2002 · N9339 · Doug DC931SDR RAIA00202086O-Ring · damagedPIT- DURING DESCENT CREW ALERTING SYSTEM MESSAGE WITH MALFUNCTION DISPLAY MESSAGE HYD SYS NR 1 LOW. MAINTENANCE REMOVED AND REPLACED O-RING AT NR 1 HYD SYSTEM PRESSURE RELIEF VALVE, OPS AND LEAK CHECK OK.Feb 27, 2002 · N812HK · Emb EMB145LRSDR AUS20020135Relief Valve · failed(AUS) HYDRAULIC PUMP PRESSURE RELIEF VALVE FAULTY. VALVE WAS BYPASSING FLUID.Feb 21, 2002 · Boeing 767238SDR CA011231001Relief Valve · leaking(CAN) DURING CRUISE ON POSITIONING FLIGHT INDICATION OF PROGRESSIVE NR 2 SYSTEM HYDRAULIC FAILURE, NR 2 HYD FLUID HOT CAUTION LIGHT, 15 MINUTES LATER, RUDDER PRESSURE & RUDDER FULL PRESSURE & NR 2 RUDDER HYD CAUTION LIGHTS ILLUMINATED, ON ARRIVAL ALTERNATEDec 30, 2001 · Dhav DHC8311SDR R7MR34253Valve · leakingVALVE, UNIT INOPERATIVE. FAILS TO STOP FLOW OF HYDRAULIC PRESSURE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.(K)Oct 22, 2001 · N911LN · Bell 407SDR KBMA88639Switch · inoperativeHYDRAULIC SWITCH WAS FAULTY.Jan 30, 2001 · N37SH · Snias AS350BSDR DLM90002012Reservoir · leakingIN CLIMB LT HYD PRESS LOW MESSAGE ON OAP. PRESSURE EVENTUALLY DROPPED TO 0 PSI. RAN HYD PRESSURE LOW CHECKLIST AND LT HYD FAILURE CHECKLIST. INDICATIONS STABILIZED AT 0 PSI AND 27QTS. FOUND LEFT HYD RESERVOIR FAILED CAUSING AIR IN LEFT SYS AND NR 1 ENG DRIOct 12, 2000 · N915DN · Doug MD9030SDR SWAA001134Relief Valve · failedAIR TURNBACK. DURING CLIMB WHEN LANDING GEAR WERE RAISED, A-SYS HYD LOW PRESSURE LIGHT ILLUMINATED. RESET BOTH HYDRAULIC SYS PNEUMATIC HEAD PRESSURE RELIEF VALVES. OPS CHECK GOOD.Jun 20, 2000 · N763SW · Boeing 7377H4SDR USAASB00146Relief Valve · misinstalledCLT - WHILE ON THE GATE AT CLT, THE A SYSTEM HYDRAULIC RESERVOIR EXPLODED. MAINTENANCE FOUND THE PRESSURE RELIEF VALVE INSTALLED IMPROPERLY. THE VALVE AND RESERVOIR WERE REPLACED. (M)May 21, 2000 · N392US · Boeing 7373B7SDR AWXA0000292Manifold · leakingAIR TURNBACK, YELLOW HYD LOSS. AFTER TAKEOFF, LOST YELLOW HYDRAULIC SYSTEM. ECAM PROCEDURES ACCOMPLISHED. REMOVED AND REPLACED LEAKING GROUND SERVICE MANIFOLD, LK AND OPS CK GOOD. RECOMMENDATION: REMAIN OPEN PENDING REVIEW OF TEARDOWN REPORT, A/C HAS HISTMay 4, 2000 · N642AW · Airbus A320231SDR AU000063Relief Valve · corroded(AUS) GREEN HYDRAULIC SYSTEM PRESSURE RELIEF VALVE BURST DISC RUPTUREDDUE TO INTERNAL CORROSION IN THE VALVE. VALVE WAS AN OVERHAULED ITEM AND FAILED ON THE FIRST FLIGHT FOLLOWING FITMENT.Jan 30, 2000 · Bag BAE146200ASDR AU000061Relief Valve · failed(AUS) GREEN HYDRAULIC SYSTEM PRESSURE RELIEF VALVE INTERNALLY CORRODED. OVER-PRESSURE DISC BURST. RELIEF VALVE WAS AN OVERHAULED UNIT AND HAD BEEN FITTED THE PREVIOUS NIGHT.Jan 9, 2000 · Bac 146200ASDR AU000053Valve · fractured(AUS) LEFT HYDRAULIC SYSTEM HP FILTER MODULE PRESSURE RELIEF VALVE BODY FAILED AT O- RING GROOVE.Jan 9, 2000 · Boeing 767204SDR USAASB98343Valve · failedMCO - FL2695 - EN ROUTE FROBWI TO MCO, SOUTHEAST OF SAV, FLIGHT LOST 'A' SYSTEM HYDRAULICS. CREW WENT TO ALTERNATE FLAP EXTENSION PROCEDURES AND DECLARED AN EMERGENCY. FLIGHT LANDED AT MCO WITHOUT INCIDENT AND WAS TOWED OFF THE RUNWAY AND THEN TO THE GATE. Dec 31, 1998 · N284AU · Boeing 7372B7SDR HEEA0016505Valve · malfunctionedREMOTE BYPASS INDICATION TRIPS.Oct 27, 1998 · N7128R · Bell 412SDR 98ZZZX3112Seal · defectiveVALVE PLUNGER REJECTED, NEW OUT-OF-BOX. FLAW IN SEAL AREA THAT COULD CAUSE HYDRAULIC FLUID LEAKAGE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jul 31, 1998SDR HEEA0015454Valve Assy · failedCONTACT PINS ON SOLENOID BROKEN.Jul 30, 1998 · N3911L · Bell 412SDR 98ZZZX2247Valve · failedVALVE WAS STUCK IN OPEN POSITION. THIS WOULD NOT ALLOW A HEAD PRESSURE ONTO THE RESERVOIR. THE RESULT WAS A CAVITATING PUMP. REPLACED VALVE AND DID A TEST FLIGHT. ALL SYSTEMS WORKED NORMALLY. PRESSURE HELD IN RESERVOIR OVERNIGHT.May 8, 1998 · N705MA · Israel 1125SDR HEEA0013815Valve Assy · failedBYPASS BUTTON WILL NOT RESET.Apr 2, 1998 · N2148K · Bell 412SDR HEEA0013458Valve Assy · failedBYPASS INDICATOR INOPERATIVE.Mar 19, 1998 · N107X · Bell 412SDR HEEA0012974Valve · malfunctionFILTER PRESSURE SWITCH STUCK CLOSED, CAUSING EXT. CLOG BUTTON TO POP RED.Feb 10, 1998 · N7128R · Bell 412SDR 97ZZZX5207Relief Valve · malfunctionCREW REPORTS GEAR FAILS TO COMPLETE RETRACT CYCLE. FOUND 1500 PSI RELIEF VALVE OPENING PREMATURELY @ 1100 PSI. THIS CAUSED REPORTED CONDITION. FOUND THIS SAME CONDITION ON 560-0331 WITH 1417 HOURS. SUBMITTER RECOMMENDS TO ADD PRESSURE CHECK AT 300 HOUR INTDec 8, 1997 · N348QS · Cessna 560CESSNASDR 97ZZZX5206Relief Valve · malfunctionTROUBLESHOOTING FOR INCOMPLETE RETRACT CYCLE FOUND HYDRAULIC RELIEF VALVE OPENING PREMATURELY.Dec 5, 1997 · N331QS · Cessna 560CESSNASDR 97ZZZX4674Valve · failedINSPECTION FOUND HYDRAULIC RELIEF VALVE FAILED. REPLACED WITH NEW RELIEF VALVE.Oct 20, 1997 · N98VG · Bell 407SDR AU970318Valve · faulty(AUS) LH HYDRAULIC RESERVOIR AIR PRESSURE RELIEF FAULTY - SEAL DETERIORATEDMar 22, 1997 · Emb EMB120SDR HAIGJQR0106Valve · failedVALVE TRIPS THE REMOTE FILTER CLOGGED INDICATOR WHEN POWER IS APPLIED. INDICATORS ON FILTER ASSY. DO NOT TRIP. FILTERS ARE CLEAN. REPLACED WITH NEW UNIT FROM BELL HELICOPTER.Feb 24, 1997 · N98W · Bell 212SDR GJQR97106Valve · defectiveTHIS VALVE TRIPS THE REMOTE FILTER CLOGGED INDICATOR WHEN POWER IS APPLIED. INDICATORS ON FILTER ASSY. DO NOT TRIP. FILTERS ARE CLEAN. REPLACED WITH NEW UNIT FROM BELL HELICOPTER.Feb 24, 1997 · N98W · Bell 212SDR CA970523003Valve · failed(CAN) HYDRAULIC PUMP WAS OBSERVED RUNNING CONTINOUSLY. MAINTENANCE FOUND THE THERMAL PRESSURE RELIEF VALVE TO BE OPENING AT 1200 PSI INSTEAD OF THE RATED 2250 PSI. VALVE CHANGED.Jan 31, 1997 · Beech 200BEECHSDR CA970523002Valve · failed(CAN) HYDRAULIC PUMP WAS OBSERVED TO BE RUNNING CONTINUOUSLY WHILE TAXIING. HYRAULIC PUMP BREAKER PULLED AND THE AIRCRAFT RETURNED TO THE HANGAR AND PUT ON JACKS. HYDRAULIC RELIEF VALVE WAS FOUND TO GO INTO BYPASS AT LESS THAN 1200 PSI, RATING SHOULD ALLOW FJan 31, 1997 · Beech 200BEECHSDR SWAA970061Check Valve · failedF/A REPORTED LIGHT MIST (SMOKE) , HOT SMELL AND BURNING EYES IN CABIN. CLEANED HYD RESERVOIR PNEUMATIC CHECK, REPLACED NR 1 AND 2 WATER SEPARATORS BAGS AND RAN BOTH ENGINES PER BOEING M/M, NO DEFECTS NOTED.Jan 12, 1997 · N130SW · Boeing 7372T4SDR Y2PA96068Return Vlv · failedYIP - FLT 19041 - JEWEL LIGHT CAME ON WHILE CLIMBING THROUGH 1,000 FEET. AI RCRAFT RETURNED TO POINT OF DEPARTURE AT YIP AND MADE AN UNSCHEDULED LANDING. NO EMERGENCY PROCEDURES WERE NECESSARY. CORRECTIVE ACTION: THE HYDRAULIC RESERVOIR PRESSURIZATION SYSTEAug 27, 1996 · N822AA · Amd FALCONDSDR CA960801014Pressure Switch · low settting(CAN) DURING INSPECTION IT WAS FOUND THAT THE HYDRAULIC SYSTEM WAS PRODUCING ONLY 1350 PSI. CORRECT PRESSURE IS 1575. A NEW PRESSURE CUTOUT SWITCH WAS INSTALLED.Jun 26, 1996 · Dhav DHC6300SDR P5CA9600248Press Module · crackedON ARRIVAL, FOUND HYDRAULIC LEAK FROM NR 3 HYDRAULIC SYSTEM IN SAILBOAT AREA. FOUND NR 3 HYDRAULIC SYSTEM PRESSURE MODULE HOUSING CRACKED. REMOVED AND REPLACED SAME, OPS AND LEAK CHECK NORMAL IAW MM 29-11-23.Jun 20, 1996 · N852FT · Boeing 747122SDR RAAAE496005Hyd Valve · blown gasketNR 1 HYD SYSTEM FLUID DRAINED T ZERO AFTER DEPARTURE FROM SDP. SHUT OFF 1 AND 1A PUMPS. REPLACED HYD SYSTEM NR 1 PRIORITY VALVE DUE BLOWN CAP GASKET. (M)Apr 24, 1996 · N9744C · Lkheed 188ASDR SWIA95725Relief Valve · failedLOSS OF HYDRAULIC FLUID ON LEFT SIDE. REPLACED MANUAL RELIEF VALUE ON LEFT HYDRAULIC PACK AND SERVICED FLUID TO PROPER LEVEL, OPS CHECKS GOOD.Mar 5, 1996 · N189SW · Emb EMB120ERSDR CAL960275Relief Valve · stickingFLT NR 973 - NGO - THE A/C PITCHED DOWN SLIGHTLY DURING APPROACH TO NGO. THE OUT OF TRIM LIGHT FLASHED AND THEN THE HYDRAULIC SYSTEM 3 ELEVATOR OFF LIGHT ILLUMINATED. THE SYSTEM NR 3 HYDRAULIC QUANTITY GAUGE READ DOWN .5 GALLON. THE AIRCRAFT LANDED WITHOUT Mar 4, 1996 · N68042 · Doug DC1010SDR 96ZZZX1146Valve · defectiveUPON GEAR RETRACTION, BOTH HYDRAULIC PUMP AMBER LIGHTS AND HYDRAULIC LEVEL AMBER LIGHT ILLUMINATED. FLIGHT WAS ABORTED AND AIRCRAFT RETURNED TO BASE AIRPORT. ON GEAR EXTENSION BY NORMAL PROCEDURES, ALL LIGHTS EXTINGUISHED. WHEN GEAR WAS DOWN AND LOCKED, FOUFeb 27, 1996 · N705MA · Israel 1125SDR 96ZZZX1462Hyd Relief Valve · crackedCCR402 - SBEG/KMIA - LOST UTILITY HYDRAULIC SYSTEM AT 16:52. UNABLE TO LOWER DOWN NOSE GEAR BY HAND CRANK AS WELL AS USE OF THE JOHNSON BAR. FOUND UTILITY SYSTEM RELIEF VALVE HOUSING CRACKED. REPLACED VALVE, SERVICED HYDRAULIC SYSTEM AND OPERATIONAL CHECKEDFeb 22, 1996 · N751MA · Boeing 707323CSDR UPS804356Relief Valve · leakingPILOT REPORTED, HYD FLUID LOSS. PRESSURE AFTER LANDING, AIR BRAKES WERE USED. AUX PUMP PRODUCED NO PRESSURE, BUT FLUID QUANTITY DECREASED. FOUND RT GEAR BOGIE UNLOCK PRESS RELIEF VALVE LEAKING. CAPPED OFF BOGIE UNLOCK CYLINDER HYD LINES AT STRUT MANIFOLD. Sep 2, 1995 · N752UP · Doug DC873F
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