JASC 2920

Service difficulty reports · 287

Reports filed under 2920 · Hydraulic System, Auxiliary, newest first.

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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 = '2920'
  ORDER BY difficulty_date DESC"

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SDR SWAA022759Hydraulic Line · leakingAIR TURNBACK, DURING CRUISE, NR 2 ENGINE HYDRAULIC PUMP LOW PRESS LIGHT ILLUMINATED, QUANTITY DECREASED TO 1/4. REMOVED AND REPLACED B-SYSTEM HYDRAULIC LINE AT ACOUSTIC FILTER TO PRESS MODULE PER MM.Nov 21, 2002 · N399WN · Boeing 7373H4SDR AWXA200201061Servo · defectiveFLT 0823 - AT DECENT INTO PHX RECEIVED A BSCU CHANNEL NR 1 FAULT, & HYD BLUE RESERVOIR LOW AIR PRESSURE MESSAGE. DECLARED AN EMER, A/C LANDED W/O EVENT. MAINT CHECKED BLUE HYD SYS RESERVOIR QTY WHEN A/C ARRIVED AT GATE; RESERVOIR QTY GOOD. RESERVOIR AIR PRESSOct 26, 2002 · N642AW · Airbus A320232SDR DL72S021139Hydraulic Line · chafedTHE HYD SYSTEM B HAD ZERO PRESSURE AND ZERO QUANTITY. FOUND THE B HYD SYSTEM QUANTITY AT .9 ON ARRIVAL, AND FOUND THE NR 2 B HYD PUMP PRESSURE LINE CHAFED, REPLACED THE LINE AND ALSO CHECKED THE CASE DRAIN FILTER WITH NO DEFECTS, LEAK CHECK AND OPS CHECK GOSep 26, 2002 · N545DA · Boeing 727232SDR 0203133237Check Valve · leakingRECEIVED 'HYD Y RSVR LO LVL' MESSAGE. DEACTIVATED THE YELLOW HYDRAULIC SYSTEM PER COM PROCEDURES. NOTE: LOSS OF THE YELLOW HYDRAULIC SYSTEM IN CONJUNCTION WITH THE NBR 1 YAW DAMPER BEING INOP PER MEL RESULTED IN ACTIVATION OF ALTERNATE LOW FLIGHT MODE. CONTINUSep 23, 2002 · N337NW · Airbus A320212SDR AWXA200200893Hydraulic Line · leakingBWI - EMERGENCY LANDING - FLT 0778 - EN ROUTE FROM LAS TO BWI AT CRUISE THE LT HYDRAULIC QUANTITY DECREASED TO ZERO AND THE SYSTEM PRESSURE LIGHT ILLUMINATED WITH AN EICAS MESSAGE FOR LT HYDRAULIC SYSTEM PRESSURE DISPLAYED. DECLARED EMERGENCY AND LANDED WITHOSep 14, 2002 · N901AW · Boeing 7572S7SDR SWIA200211192Hydraulic Line · leakingHYD PUMP 2B MESSAGE ILLUMINATED ON APPROACH. HYDRAULIC SYNOPTIC PAGE SHOWED 0 PERCENT FLUID, TEMP 40 DEGREES WITH HYD PSI OF 3000. REPLACED NR 2 HYD SYSTEM TUBE ASSY, CASE DRAIN AND TUBE ASSY, PUMP PRESS LINE. SERVICED NR 2 HYD SYSTEM. NO LEAKS NOTED. OPSSep 2, 2002 · N909SW · Cndair CL6002B19SDR HNAA0200053Circuit Breaker · trippedBOTH STANDBY HYDRAULIC PUMP CIRCUIT BREAKERS TRIPPED AND NORMAL BRAKES FAILED WHEN NR 1 ENGINE WAS SHUTDOWN DURING TAXI. MAINTENANCE RESET CIRCUIT BREAKERS AND PERFORMED ASSOCIATED OP CHECKS AND COULD NOT DUPLICATE PROBLEM.Aug 14, 2002 · N914HA · Dhav DHC8102SDR HNAA0200051Contactor · intermittentWHEN #1 ENGINE WAS SHUTDOWN FOR SINGLE ENGINE TAXI THE #1 HYDRAULIC MAIN AND STANDBY SYSTEMS PRESSURE WENT TO ZERO. CREW HAD TO USE PARKING BRAKE TO STOP A/C. REPLACED CONTACTOR 2421-K2.Aug 7, 2002 · N985HA · Dhav DHC8201SDR MALA020443PtuDURING TAXI OF FLIGHT #3444, GREEN SYSTEM HYDRAULIC HI TEMP CAUTION LIGHT ILLUMINATED AFTER 45 MINUTES OF TAXI. GATE RETURN TO BLOCK. MAINTENANCE FOUND PTU GRINDING REMOVED AND REPLACED ptu. ALL CHECKS GOOD AT THIS TIME.Aug 4, 2002 · N524XJ · Bac AVRO146RJ85ASDR AUS20020730Power Unit · faulty(AUS) STANDBY HYDRAULIC POWER UNIT FAULTY.Jul 17, 2002 · Dhav DHC8202SDR 0201206743Hydraulic Line · leakingDURING FLIGHT, LOST HYDRAULIC FLUID IN THE NR 2 HYDRAULIC SYSTEM. PERFORMED COM PROCEDURES AND THE AIRCRAFT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. REPLACED THE HYDRAULIC RETURN LINE AT THE RIGHT INBOARD AILERON POWER CONTROL UNIT. OPERATIONALApr 10, 2002 · N643NW · Boeing 747249FSDR 2002UALA00659Ram Air Turb · failedDURING OPERATIONAL TEST OF THE RAM AIR TURBINE DURING ROUTINE MAINTENANCE CHECK, THE RAM AIR TURBINE (RAT) FAILED TO PRODUCE THE REQUIRED VOLTAGE. FAILURE OF THE RAM AIR TURBINE GENERATOR. THE RAM AIR TURBINE ASSEMBLY, WHICH INCLUDES THE GENERATOR, WAS REPLAApr 8, 2002 · N799UA · Boeing 777222SDR HNAA0200018Circuit Breaker · inoperativeWhile taxing to gate lost #1 standby hydraulic pump, lost toe brakes. Replaced RCCB, ops check good.Feb 6, 2002 · N938HA · Dhav DHC8102SDR 2002F01109B-Nut · looseDURING FLIGHT BOTH SYSTEM 'B' PUMPS LOW PRESSURE LIGHTS ILLUMINATE. NO PRESSURE AT ALL ON 'B' SYSTEM, ZERO PRESSURE ON THE SYSTEM. FOUND 'B' NUT OF HYDRAULIC PRESSURE LINE 'B' PUMP NR 2 SYSTEM LOOSE TIGHTENED B-NUT AND SERVICE IAW MM 12-12-0. OPS CHECK ALL Jan 30, 2002 · N296CS · Boeing 727224SDR DL76S011832Check Valve · failedTHE CHECK VALVE ON THE RAT MODULE IN THE RT WHEEL WELL BLEW OUT CAUSING A LOSS OF HYD QTY AND PRESSURE IN THE CENTER SYSTEM. REPLACED MODULE.Nov 20, 2001 · N118DL · Boeing 767332SDR CA011207004Selector Valve · cracked(CAN) THE AIRCRAFT ARRIVED TO YYZ, WITH THE "YELLOW" HYDRAULIC SYSTEM EMPTY. FOUND RT ELEVATOR, OUTBOARD SERVO (F.I.N.3CS2) SELECTOR VALVE HOUSING CRACKED.Oct 22, 2001 · Airbus A330342SDR 2001UALA02092Hydraulic System · malfunctionedAIRCRAFT LOST B-SYSTEM HYDRAULIC PRESSURE IN FLIGHT. THE AIRCRAFT DIVERTED TO DTW. HYDRAULIC SYSTEM CHECKED PER THE 727 MAINTENANCE MANUAL. NO FAULTS FOUND. NO HYDRAULIC ISSUES IN AIRCRAFT HISTORY SINCE THIS INCIDENT.Oct 1, 2001 · N7452U · Boeing 727222SDR UPS01236683Hydraulic Line · leakingINSPECTION TYPE:N/A SHORTLY AFTER TAKEOFF SYSTEM B ELECTRIC SYSTEM LOW PRESSURE LIGHT ILLUMINATED. SYSTEM B QTY INDICATED 0. EMERGENCY CHECKLISTS ACCOMPLISHED AND LANDING WAS UNEVENTFUL. FOUND OUTLET LINE OF NR 2 B PUMP LEAKING. PERFORMED AN INTERIM HOSE REPAIAug 23, 2001 · N907UP · Boeing 72727CSDR AWXA0002203Module · failedAIR TURNBACK - FLT 704 - DURING CLIMBOUT OF PHX THE AUTO PILOT DISCONNECTED, YAW DAMPER DISENGAGED AND B-SYSTEM HYDRAULIC PRESSURE WENT TO ZERO. AT THE TIME OF OCCURRENCE THE NR 2 B-SYSTEM ELEC HYD PUMP WAS INOPERATIVE ON MEL 29-2 COND 1 DUE TO LOW PRESSURE. Aug 22, 2001 · N138AW · Boeing 7372E3SDR 01FDEA00671Hydraulic System · failedON CLIMB LOST YELLOW SYS HYD QTY WENT TO RED DOT. PERF EMERGENCY CHECKLIST PER ECAM AND RED TABS.Aug 10, 2001 · N410FE · Airbus A310SDR MWEA011058Pump · inoperativeRIGHT ENGINE HYDRAULIC PUMP WOULD NOT PRODUCE OVER 1,500 PSI, RETURNED TO GATE. -- DEFERRED, REMOVED AND REPLACED PUMP.Jul 16, 2001 · N205ME · Doug DC932SDR SWAA011910Control Valve · leakingDECLARED EMERGENCY, DURING CLIMB LOST A-SYSTEM HYDRAULIC FLUID, TOTAL A-HYD SYSTEM FAILURE. REMOVED AND REPLACED LANDING GEAR TRANSFER FLOW CONTROL VALVE AND PTU CONTROL VALVE PER MM.Jul 3, 2001 · N691WN · Boeing 7373G7SDR 2001UIA003Hydraulic Line · leakingON JULY 01, 2001, FOUND RT WING CONTAMINATED WITH HYD FLUID DURING TRANSIT CHECK. PERFORM ON BOARD HYD SYS TEST, FOUND NR 2 FLIGHT SPOILER HYD TUBE (P/N8294000-113) HAD PIN HOLE LEAD TO HYD LEAKING. TEMPORARY REPAIR WITH FLEXIBLE HOSE REPLACEMENT PER AMM29-0Jul 1, 2001 · N15233 · Dhav DHC8301SDR DHL2001724006Hydraulic Line · chafedHYDRAULIC SYS-B NR 2 PUMP LOW PRESS CAV LIGHT ILLUMINATED. ABNORMAL PROC ACCOMP. LIGHT REMAINED ON. B-SYSTEM HYD QTY GAUGE NEEDLE FLUX BETWEEN 1.80 AND FULL HYD PRESS. FOUND FLEX LINE CHAFED THROUGH ON NR 1 B-PUMP REM AND REP FLEX LINE, LK AND OPS CK GOOD Jun 28, 2001 · N724DH · Boeing 727228SDR MWEA010982Solenoid Valve · inoperativeRIGHT HYDRAULIC TEMP HI ANNUNCIATOR CAME ON DURING TAXI OUT. -- REFERENCE DMI #6-50 "ALTERNATE PUMP WILL NOT OPERATE WHEN SWITCH IS TURNED ON," REMOVED AND REPLACED ALTERNATE PUMP SOLENOID VALVE, OPERATIONAL CHECK GOOD.Jun 13, 2001 · N209ME · Doug DC932SDR HNAA0100034Hydraulic System · overservicedLOSS OF NR 1 HYDRAULIC SYSTEM FLUID IN FLIGHT. NR 1 HYDRAULIC ISO VALVE LIGHT AND ROLL SPOILER INBOARD LIGHT ILLUMINATED. NR 1 HYDRAULIC SYSTEM DID NOT GO TO ZERO. FOUND NR 2 HYDRAULIC SYSTEM OVERSERVICED AND OVERSPILL CONTAINER FULL. INSPECTED FILTERS ANDJun 4, 2001 · N327EN · Dhav DHC8311SDR 2001UALA00873Actuator · malfunctionedRAM AIR TURBINE FAILED TO DEPLOY DURING FUNCTIONAL CHECK OF THE MANUAL SYSTEM ACCOMPLISHED AT HEAVY MAINTENANCE VISIT. *S/D* REPLACED RAT ACTUATOR. ACTUATOR WAS TESTED BY THE MANUFACTURER, NO FAULT FOUND, RETURNED TO SERVICE. AFTER SUBSEQUENTLY TESTED ON AMay 30, 2001 · N549UA · Boeing 757222SDR 01FDEA00296Hydraulic Line · leakingEVIDENCE OF HYD LEAK COMING FROM AFT CARGO COMPARTMENT. *S/D* REPAIRED PIPE ASSY AGK7002-553 PER MM 20-10-01-2 AND REPLACED PNEU DUCT INSULATION BLANKETS.Apr 24, 2001 · N315FE · Doug DC1030FSDR 2001UALA00547Hydraulic Line · leakingCREW REPORTED THAT B HYDRAULIC SYSTEM QUANTITY READ ZERO. NO LOW PRESSURE LIGHTS ILLUMINATED. SUPPLEMENTAL DATA UPDATE REPLACED B SYSTEM HYDRAULIC TUBE ON FILTER MODULE. SERVICED HYDRAULIC SYSTEM. CHECKS OK.Apr 19, 2001 · N7284U · Boeing 727222SDR CA010503016Power Unit · failed(CAN) WHILE USING STANDBY POWER UNIT DURING ROUTINE MAINTENANCE, IT WAS DISCOVERED THAT UNIT WAS NOT PRODUCING PRESSURE. UNIT REPLACED WITH SERVICEABLE AND AIRCRAFT RETURNED TO SERVICE.Apr 14, 2001 · Dhav DHC8102SDR CA010503004Power Unit · failed(CAN) THE FLIGHT CREW RETURNED TO THE GATE AFTER EXPERIENCING A NR 1 HYD HOT CAUTION LIGHT DURING TAXI FOR TAKEOFF. MAINTENANCE REPLACED THE NR 1 SYSTEM STANDBY POWEER UNIT AND THE AIRCRAFT RETURNED TO SERVICE. THIS UNIT HAD RECENTLY BEEN REPAIRED BY THE VENDOApr 10, 2001 · Dhav DHC8311SDR AUS20010865Valve · cracked(AUS) RAM AIR TURBINE (RAT) MODULE CHECK VALVE CRACKED. LOSS OF HYDRAULIC FLUID. INVESTIGATION FOUND THAT THE HEX HEAD SEPARATEDFROM THE CHECK VALVE BODY DUE TO A FRACTURE BETWEEN THE UPPER O' RING GROOVE AND THE INTERNAL BODY THREAD RELIEF.Mar 23, 2001 · Boeing 767277SDR AUS20010774Valve · cracked(AUS) RAM AIR TURBINE (RAT) MODULE LEAKING DUE TO CRACKED CHECK VALVE.Mar 23, 2001 · Boeing 767277SDR AU010310Relay · faulty(AUS) AUXILIARY HYDRAULIC CONTROL RELAY FAULTY.Mar 14, 2001 · Saab 340BSDR ARWA0010304Hydraulic Line · leakingIN TOP OF CLIMB LOSS OF HYDRAULIC FLUID AND PRESSURE DOWN TO THE STAND-PIPE SLOWLY. FOLLOWED EMERGENCY CHECK LIST. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED PRESSURE LINE TO AUXILIARY PUMP OPERATIONAL CHECK IAW MM 29-0-3 OPS NORMAL, NO LEAKS NOMar 13, 2001 · N345JW · Doug DC863SDR MWEA001193Harness · faultyON TAXI OUT AUXILIARY HYDRAULIC PUMP CIRCUIT BREAKERS TRIPPED. REPLACED AUX PUMP WIRING HARNESS.Nov 17, 2000 · N202ME · Doug DC932SDR 20010108AP006Packing · damagedFLT 645 - PHL - ON DESCENT, LOSS OF -A- SYSTEM HYDRAULIC FLUID PRESSURE. PILOT DECLARED AN EMERGENCY LANDING AND LANDED PHL SAFELY. REMOVED AND REPLACED PACKING ON -A- SYSTEM MODULE PACK AND SERVICED -A- SYSTEM WITH FLUID. SYSTEM CHECK NORMAL. (M)Oct 4, 2000 · N426EX · Boeing 72722CSDR 20000914SH015Hydraulic Line · brokenDURING ROUTINE MAINTENANCE CHECK FLIGHT, CREW NOTICED NR 2 HYDRAULIC SYSTEM PRESSURE LOW. AIRCRAFT LANDED UNEVENTFULLY. INVESTIGATION FOUND HYDRAULIC LINE FRACTURED NEAR B-NUT FITTING. CAUSE UNKNOWN. NEW LINE INSTALLED, SYSTEM SERVICED AND FUNCTION CHECKEDSep 1, 2000 · N900WK · Amd FALCON900SDR 2000UALA00495Hose · leakingABOUT 5 TO 10 MINUTES OUT OF DEN AIRCRAFT LOST ''B'' HYDRAULIC SYSTEM. LANDED UNDER AMBER ALERT. *S/D* REPLACED ''B'' SYSTEM PUMP PRESSURE LINE TO PRESSURE MODULE. ALSO CHANGED RETURN FILTERS. SERVICED HYDRAULIC FLUID TO FULL. PRESSURE CHECKED OK, NO LAug 22, 2000 · N7467U · Boeing 727222SDR CA000830012Cap · sheared(CAN) CENTRE HYDRAULIC QUANTITY WENT TO 0 AFTER FLAP SELECTION 1, ON FINAL APPROACH. QRH APPLIED, AIRCRAFT LANDED SAFELY. AFTER INVESTIGATION, FOUND TH RAT CHECK OUT MODULE (RAM AIR TURBINE) CHECK VALVE CAP SHEARED (CAP COMPLETELY SEPARATED FROM THE REST OF THJul 27, 2000 · Boeing 767275SDR 00FDEA00479Coupler · leakingLOST ALL HYD B SYS FLUID A SYS DROPPED TO 2.5 GAL AND STAYED. DID RED TABS PROC FOUND CK VALVE COUPLER INSIDE HYD BAY LEAKING. *S/D* REMOVED BOTH B HYD PUMPS PER 727-200 MM 29-12-011-2. REMOVED AND REPLACED HYD DRAIN FILTER ASSY PER MM 29-12-021-2. INSTALJul 20, 2000 · N223FE · Boeing 727233SDR RRXA001000Pump · leakingLOST ALL HYDRAULIC QUANTITY TO STAND PIPE. FOUND LEAK AT STBY RUDDER HYD PUMP. REMOVED AND REPLACED PUMP PER MM 27-42, NO LEAKS NOTED.Jun 17, 2000 · N831AL · Doug DC873FSDR 0001483203Line · rupturedAFTER TAKEOFF WHEN LANDING GEAR SELECTED UP, RECEIVED HYD G RSVR LO LVL AND L/G GEAR NOT UPLOCKED MESSAGES. FOLLOWED COM PROCEDURES, RETURNED TO DEPARTURE FIELD, AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED BLOWN FLEX LINE FOR THE LEFT MAIN GEAR INBOARDApr 27, 2000 · N303US · Airbus A320211SDR 2000UALA00117Hose · leakingB SYSTEM HYDRAULIC FAILURE ON TAXI OUT. ZERO QUANTITY AND PRESSURE DISPLAYED. *S/D* REPLACED NR 2 B ELECTRIC HYDRAULIC PUMP PRESSURE HOSE. SERVICED A AND B SYS HYD RESERVOIRS TO FULL. TESTED NR 1 AND NR 2 B-PUMPS. TESTED NORMAL.Mar 7, 2000 · N7265U · Boeing 727222SDR AWXA0000004O-Ring · leakingDIVERSION/EMERGENCY DECLARED BY AIRPORT AUTHORITY HYD WARNING. YELLOW RESERVOIR LOW LEVEL WARNING, FOLLOWED BY LOW AIR PRESSURE, ULTIMATELY LOST ALL SYSTEM HYDRAULIC PRESSURE. REPLACED O-RINGS ON PTU PRIORITY VALVE, LEAK CKS GOOD. ALSO, REPLACED HP RETURN AJan 6, 2000 · N636AW · Airbus A320231SDR CA991116012Blade · cracked(CAN) DURING ROUTINE INSPECTION OF RAM AIR TURBINE, SCRATCH FOUND ON BLADE ROOT. FURTHER INVESTIGATION REVEALED A CRACK. THE SUBMITTER INDICATED THAT THERE IS NO SPECIFIC INSPECTION TASK CALLING UP THE INSPECTION OF THE RAM BLADES.Nov 13, 1999 · Airbus A330322SDR UPS99630000Air Driven Pump · leakingHYDRAULIC FLUID LOSS IN FLIGHT INFLIGHT EMERGENCY DECLARED. MAINTENANCE FINDINGS, ADP BYPASS HAD OPENED AND WAS LEAKING HYDRAULIC FLUID. ISSUED ECA 04892 REPLACED CENTER ADP PER MM 29-11-03 AND LEAK CHECK OK. P/N OFF 3268792-9 S/N OFF 1011. P/N ON 3268792-Jun 30, 1999 · N322UP · Boeing 76734AFSDR AU990471Valve · failed(AUS) RAM AIR TURBINE CHECKOUT MODULE CHECK VALVE FAILED. LOSS OF CENTER HYDRAULIC SYSTEM FLUID.May 9, 1999 · Boeing 767277SDR CA990311075Turbine · failed(CAN) AIR TURBINE MOTOR (RAM AIR TURBINE) INOPERATIVE. LIGHT CAME ON IN-FLIGHT. POST-FLIGHT INSPECTION FOUND OIL MISSING FROM THE RESERVOIR, OIL WAS ADDED AND DURING LEAK CHECK, SPARKS WERE SEEN COMING FROM THE EXHAUST. FURTHER INSPECTION FOUND THE TURBINE Dec 24, 1998 · Lkheed 10113851SDR 99ZZZX386Line · leakingAIRCRAFT DEPARTED CAMERON BASE. LOST NR 2 HYDRAULIC PRESSURE. AIRCRAFT RETURNED TO CAMERON BASE. FOUND LINES, ITEMS 23 AND 24, CHAFED. NR 2 HYDRAULIC SYSTEM TO COLLECTIVE SERVO. REF: 214ST IBB, FIG 29-5, ITEMS 23 AND 24.Oct 29, 1998 · N6957Y · Bell 214ST
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