N594AS

Service difficulty reports · 497

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. 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 n_number = 'N594AS' AND registry_match = 'registration'
  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 ASAA2014051207785Warning Light · illuminatedELECTRIC WARNING LIGHT ILLUMINATED ON THE OVERHEAD PANEL. ACFT GROUNDED. FOUND STANDBY POWER INOPERATIVE ON ELECTRIC TEST. FAULT CLEARED. UNABLE TO DUPLICATE PROBLEM. REPLACED P5-5 MODULE IAW MM 24-21-52-000-801 AND 400-801, NO DISCREPANCIES NOTED. REPLACMay 12, 2014 · N594AS · Boeing 737890 · Central WarningSDR ASAA2014051107767Module · unknownDURING PREFLIGHT, FOUND ELECTRIC LIGHT ON. ACFT GROUNDED. BITE TEST SHOWS "SPCU INOP" FAULT. CHECKED SPCU FOR INSTALLATION SECURITY & CHECKED RELATED CIRCUIT BREAKERS, NO DEFECTS NOTED. REPLACED P5-13 ELECTRICAL METERS MODULE REF MM 24-21-53. OPS NORMAL.May 11, 2014 · N594AS · Boeing 737890 · Central WarningSDR ASAA2014050907741Control Unit · failedOVERHEAD ELECTRICAL PANEL AMBER LIGHT ILLUMINATED. ACFT GROUNDED. FAULT INDICATED SPCU INOPERATIVE. R & R SPCU IAW MM 24-34-11-400-801, OPS NORMAL.May 9, 2014 · N594AS · Boeing 737890 · DC Generating SystemSDR ASAA2014050607714Control Panel · no testFUELERS REPORT REFUELING CONTROL PANEL CENTER TANK QUANTITY INDICATOR WILL NOT TEST. ACFT GROUNDED. REPLACED CENTER INDICATOR ON REFUELING CONTROL PANEL. OPS NORMAL REF MM 28-41-61.May 6, 2014 · N594AS · Boeing 737890 · Fuel Indicating SystemSDR ASAA2014041707501Pcu · malfunctionedELEC LIGHT ILLUMINATED DURING ENGINE START. ACFT GROUNDED. PERFORMED FIM 24-31-801. ELECTRIC LIGHT BITE TEST. SHOWS SPECU FAULT, PERFORM FIM TASK 24-35-802 SPCU FAULT CLEARED, FAULT WAS INTERMITTENT. REPLACED SPCU IAW AMM 24-34-11, OPS NORMAL. GROUND VERIApr 17, 2014 · N594AS · Boeing 737890 · DC Generating SystemSDR ASAA2014041607484Warning Message · false activationDURING TAXI OUT "FMS DISAGREE" MESSAGE ANNUNCIATED. ACFT GROUNDED. FOLLOWED QRH PROCEDURE AND RESTORED BOTH FMC'S.Apr 16, 2014 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2014041607483Warning Light · false activationLIGHT ILLUMINATED ON OVERHEAD ELECTRICAL PANEL. ACFT GROUNDED. PERFORMED TEST OF ELECTRICAL CONTROL PANEL. FOUND SPCU FAULT. ACCOMPLISHED FIM TASK 24-34, TASK 802 - SPCU FAULT ISOLATION - FAULT CLEARED, WAS AN INTERMITTENT FAULT. OK FOR CONTINUED SERVICE.Apr 16, 2014 · N594AS · Boeing 737890 · Central WarningSDR ASAA2014041307532Hf Comm · malfunctionedNR 1 HF UNREADABLE DURING FLIGHT, SAT OK & RADIO VERIFIES GOOD VOICE RECEPTION. ACFT GROUNDED. COULD NOT DUPLICATE. ACCOMPLISHED SUCCESSFUL GROUND NR 1 HF COMM SYS TEST, IAW MM 23-11-00. VOICE SOUNDS GOOD. NO HISTORY 30 DAYS.Apr 13, 2014 · N594AS · Boeing 737890 · HF Communications SystemSDR ASAA2014040707465Control Unit · warning lightPRIOR TO PUSH, RECEIVED AN ELECTRIC LIGHT ON OVERHEAD ELECTRICAL PANEL STAYS ON W/ APU ON GROUND POWER. ACFT GROUNDED. ACCOMPLISHED ELECTRICAL LIGHT MESSAGE BITE PROCEDURE IAW FIM 24-31, TASK 801. FOUND SPCU INOPERATIVE MAINT MESSAGE. ACCOMP FIM 24-34, TAApr 7, 2014 · N594AS · Boeing 737890 · DC Generating SystemSDR ASAA2014040307439Warning Light · false activationELECTRICAL LIGHT ILLUMINATED AFTER LANDING. ACFT GROUNDED. PERFORMED FIM TASK 24-31-801 FOUND SPCU INOPERATIVE. PERFORMED FIM TASK 24-34-TASK 802 A THRU D. FAULT CLEARED. FAULT WAS INTERMITTENT. ACFT OK FOR SERVICE.Apr 3, 2014 · N594AS · Boeing 737890 · Central WarningSDR ASAA2014031607209Warning Message · illuminatedRT PACK LIGHT WARNING ILLUMINATED DURING CLIMB. QRH PROC ACCOMPLISHED. LIGHT EXTINGUISHED. ILLUMINATED DURING RECALL, EXTINGUISHED ON MASTER CAUTION RESET. ACFT GROUNDED. RT PACK LOGGED TCV FAULT LAST FLT. PERFORMED FIM 21-62, TASK 831 & FAULT CLEARED. NMar 16, 2014 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2014020206756Computer · failedSTABILIZER OUT OF TRIM LIGHT AT FL 385, 12 KTS FASTER THAN COMMAND SPEED. OUT OF TRIM WHEN AUTOPILOT A ENGAGED, WAS NOT TRIMMING. ACFT GROUNDED. HARD FAILURE DURING SPEED-STAB BITE LIBRARY TEST 60.32, REPLACED FCC "A" IAW AMM 22-11-33, OPS CHECK GOOD. BITFeb 2, 2014 · N594AS · Boeing 737890 · Autopilot SystemSDR ASAA2014010112293Computer · malfunctionedCRUISING AT F370, AUTOPILOT A, DISCONNECTED IN SMOOTH AIR. CONNECTED OK. FINISHED THE FLIGHT USING AUTOPILOT B. NO PROBLEMS NOTED. ACFT GROUNDED.Jan 1, 2014 · N594AS · Boeing 737890 · Autopilot SystemSDR ASAA2013122612248Warning Light · false activationELECTRIC LIGHT ILLUMINATED ON OVERHEAD ELECTRICAL PANEL. ACFT GROUNDED. PERFORMED ELECTRICAL LIGHT MESSAGE BITE PROCEDURES IAW FIM 24-31-801. RESET BIT, NO FAULT NOTED.Dec 26, 2013 · N594AS · Boeing 737890 · DC Generating SystemSDR ASAA2013121196834Battery · dischargedAPU WILL NOT START, ON GROUND, FAULT LIGHT ILLUMINATED. ACFT GROUNDED. REPLACED AUX AND MAIN BATTERIES IAW AMM 24-31-11, BATTERIES OPS CHECK GOOD IAW SAME REFERENCE. PERFORMED APU STARTING AND OPERATION IAW AMM 49-11-00, OPS CHECK GOOD.Dec 11, 2013 · N594AS · Boeing 737890 · Battery/Charger SystemSDR ASAA2013111796447Computer · disconnectedAUTOPILOT A DISCONNECTED DURING CLIMB FOR NO APPARENT REASON. AUTOPILOT A WAS REENGAGED AND OPERATED FINE FOR ABOUT AN HOUR. THEN WHILE AT CRUISE, AUTOPILOT A DISCONNECTED AGAIN, AND AGAIN FOR NO OBVIOUS REASON. AUTOPILOT A WAS REENGAGED AND OPERATED FINE. Nov 17, 2013 · N594AS · Boeing 737890 · Autopilot SystemSDR ASAA2013111596427Warning Message · activatedCLIMBING OUT THRU FL230, LT DUCT PRESSURE 20 R 45 AT FL350 LT & RT BOTH SHOW 35 PSI GROUNDED.Nov 15, 2013 · N594AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA2013111296392Control Panel · malfunctionedAUTOPILOT HAD TWO UNCOMMANDED DISENGAGEMENTS DURING CRUISE FLT IN SMOOTH CONDITIONS. ACFT GROUNDED. DFCS A&B LOGGED MULTIPLE MCP FAILURES FAULT MSG 22-11607. R & R MCP REF MM 22-11-34, OPS CHECK NORMAL. ACCOMPLISHED MCP LWMP CHECKS REF LWMP CHECKLIST MM 22Nov 12, 2013 · N594AS · Boeing 737890 · Autopilot SystemSDR ASAA2013111296385Switch · failedCOPILOTS YOKE AUTOPILOT DISCONNECT SWITCH DISCONNECTS AUTOPILOT BUT DOES NOT CANCEL AUTOPILOT WARNINGS. ACFT GROUNDED. R & R FOS AUTOPILOT DISCONNECT SWITCH IAW MM 22-11-41, OPS CHECKED NORMAL.Nov 12, 2013 · N594AS · Boeing 737890 · Autopilot SystemSDR ASAA2013102396227Pump · warning lightDURING PDC CK, FOUND BOTH NR 1 & NR 2 FUEL TANK FUEL BOOST PUMP LOW PRESS LIGHTS WOULD NOT EXTINGUISH WHEN SWITCHES ARE TURNED TO ON. ACFT GROUNDED. PERFORMED FIMS 28-22, TASKS 804 & 806. FOUND POWER TO BOTH PUMPS AT CONNECTORS D72 & D76 ALL 3 PHASES. REF Oct 23, 2013 · N594AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2013102196220Terminal · looseDURING PUSHBACK, RT SIDE WINDOW ILLUMINATED OVERHEAT. RAN QRH AND LIGHT CLEARED. LATER IN FLIGHT, NOTICED THAT THE RT SIDE, SIDE WINDOW ON LIGHT WOULD EXTINGUISH EVEN THOUGH SWITCH WAS ON. HITTING POWER TEST SWITCH RESTORED OPERATION TEMPORARILY. ALL LIGHOct 21, 2013 · N594AS · Boeing 737890 · Ice/Rain Protection System WiringSDR ASAA2013101896195Warning Light · false activationFMC DISAGREE LIGHT CAME ON AFTER PLACING FLAPS TO 5 DEG. ACFT GROUNDED. QRH COMPLETED, LIGHT EXTINGUISHED.Oct 18, 2013 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2013101796192Warning Light · false activationFMC DISAGREE ON GROUND. ACFT GROUNDED. PERFORMED QRH PROCEDURE, OPS NORMAL.Oct 17, 2013 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2013100896136Light · inoperativeAUTOTHROTTLE ARM LIGHT INOPERATIVE. ACFT GROUNDED. CAPTAIN`S MAIN PANEL LIGHTS NEED TO BE TURNED UP TO SEE THE AUTO THROTTLE ARM LIGHT. PERFORMED AUTO THROTTLE SYS TEST IAW MM 22-31-00-710-801. NO FAULTS FOUND AND ARM LIGHT OPERATES NORMALLY.Oct 8, 2013 · N594AS · Boeing 737890 · Central WarningSDR ASAA2013092196026Warning Message · false activationFMC DISAGREE, DURING TAXI. ACFT GROUNDED. ACCOMPLISHED FMC CHECKLIST, NO FURTHER PROBLEMS.Sep 21, 2013 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2013092196022Display · malfunctionedFOUND ON FMC CDU INTERROGATION, NR 1 ENGINE ALTERNATE MODE LIGHT DEU 2 DATA MISSING FAULT 73-31441, NR 1 ENGINE ADIRU 2 DATA FROM DEU2 IS MISSING, FAULT 73-31611, NR 1 ENGINE LONGTIME FAULT THE APL INPUT VOTAGE FOR THE LT EXCITER, IGN 1, IS OUT OF RANGE FAULTSep 21, 2013 · N594AS · Boeing 737890 · Central DisplaySDR ASAA2013090495922Filter · dirtyUNABLE TO CONTROL TEMP IN FWD CABIN WITH FWD CABIN TEMP CONTROL IN AUTO. AT 12 O`CLOCK POSITION SUPPLY DUCT IS BETWEEN 0 DEGREES AND 2 DEGREES C AT 2 O`CLOCK POSITION SUPPLY DUCT IS BETWEEN 60-70 DEGREES C. IN OFF TEMP IS STEADY AT 20 DEGREES C. ACFT GROUNDEDSep 4, 2013 · N594AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2013081895837Outflow Valve · malfunctionedAT FL 380, CABIN RATE INDICATOR WENT FROM 1200 FPM CLIMB TO 2000 FPM DESCEND EVERY 2-3 SECONDS SWITCHING TO ALTERNATE AHD NO EFFECT, DESCEND TO FL 340 AND EVERYTHING BECAME NORMAL. ACFT GROUNDED. NR 1 AND NR 2 CABIN PRESSURE CONTROLLERS LAST LEG SHOWS LOW IAug 18, 2013 · N594AS · Boeing 737890 · Pressure Regulator/Outflow ValveSDR ASAA2013080895764Cabin Pressure · malfunctionedAT FL 400, CABIN CLIMB RATE INDICATOR STARTED TO FLUCTUATE 1000 TO MINUS -2000 EVERY 2 TO 3 SECONDS. AFTER ABOUT A MINUTE SWITCHED FROM AUTO TO ALTERNATE WHICH MADE NO DIFFFERENCE. DESCENDED TO FL380. FOR ABOUT 3 TO 4 MINUTES NO CHANGE THEN. STARTED TO IMAug 8, 2013 · N594AS · Boeing 737890 · Cabin Pressure Control SystemSDR ASAA2013080495735Warning Light · illuminatedNR 2 ENGINE VALVE CLOSED LIGHT REMAINS BRIGHT WITH START VALVE LEVER IN CUTOFF POSITION. ACFT GROUNDED.Aug 4, 2013 · N594AS · Boeing 737890 · Engine Start Valves/ControlsSDR ASAA2013072195652Transceiver · malfunctionedRADAR SHOWS WEATHER AT 9 TO 11 O`CLOCK AND 1 TO 3 O`CLOCK FROM 3 TO 7 MILES , THIS OCCURS CONTINUOUSLY. ACFT GROUNDED. R & R RADAR R/T. REMOVED R/T REF 34-43-41. INSTALLED NEW R/T REF 34-43-41. PERFORMED OPS CK REF 34-43-00-710-802-001. SYS CKS NORMAL.Jul 21, 2013 · N594AS · Boeing 737890 · Weather Radar SystemSDR ASAA2013071295583Bleed Air Sys · malfunctionedON CLIMBOUT, FL 270, NOTICED A DUCT SPLIT OF 21PSI, LT 25 PSI, RT 46PSI WITH N1S 100.2. PRESSURIZATION WAS NORMAL. ADDITIONAL INFO AT CRUISE FLT (FL 380 - N1S 88.6). THERE WAS NO DUCT SPLIT. ON DESCENT BOTH DUCT PRESSURES READ 25PSI AND NO SPLIT. ACFT GROUNJul 12, 2013 · N594AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA2013071095541Pressure Switch · failedLEFT FILTER BYPASS LIGHT ILLUMINATED DURING TAXI-IN. OPS NORMAL IN FLIGHT. ACFT GROUNDED. TROUBLESHOT NR 1 ENGINE IAW FIM 73-05, TASK 801. FOUND FUEL FILTER DIFFERENTIAL PRESSURE SWITCH FAILED. R & R PRESSURE SWITCH S241 IAW AMM 73-34-01. OP CHECK GOOD IAJul 10, 2013 · N594AS · Boeing 737890 · Engine Fuel Indicating SystemSDR ASAA2013070595478Fmc · inoperativeFMC DISAGREE ILLUMINATED. ACFT GROUNDED. FOLLOWED QRH, FMC RESTORED.Jul 5, 2013 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2013062795349Warning Light · false activationWEATHER RADAR FAIL AND PWS FAIL ILLUMINATED ON DISPLAY (ND) ACFT GROUNDED. ACCOMPLISHED WEATHER RADAR SYSTEM BITE PROCEDURE, REF FIM 34-43, TASK 801. GROUND VERIFICATION TEST PASSED, NO FAULTS. ACCOMPLISHED WEATHER RADAR SYS OPS TEST REF MM 34-43-00. GROUJun 27, 2013 · N594AS · Boeing 737890 · Weather Radar SystemSDR ASAA2013060895071Brake Assy · failedNR 2 ENGINE VALVE CLOSED LIGHT BRIGHT WITH NR 2 START LEVER IN CUTOFF. ACFT GROUNDED. REPLACED NR 2 ENGINE START BRAKE ASSY. ALL OPS NORMAL. START VALVE. LIGHT OPS NORMAL. REF MM 76-11-10, 28-22-00, 73-21-00, 74-00-00, 25-11-01. GROUND VERIFICATION SATISFJun 8, 2013 · N594AS · Boeing 737890 · Engine (Turbine/Turboprop)SDR ASAA2013060795046Unknown · unknownNR 2 ENGINE VALVE CLOSED, LIGHT IS BRIGHT AND WILL NOT DIM. ACFT GROUNDED. REF FIM 73-06, TASK 804, RAN NR 2 ENG, TWO TIMES WITH NO DEFECTS NOTED, REPAIR CONF STEP F OPTION 1 ETOPS GROUND VERIFICATION TEST SUCCESSFUL.Jun 7, 2013 · N594AS · Boeing 737890 · Air Intake Anti/De-Ice SystemSDR ASAA2013060795034Flex Hose · damagedAFTER ENGINE START ON RECALL LT PACK LIGHT CAME ON. PUSHED MASTER CAUTION TO RESET AND LEFT PACK LT STAYED ON. RAN CHECKLIST LIGHT REMAINED ON. ACFT GROUNDED. R & R BRAIDED FLEX LINE REF AMM 21-00-00, RAN PACK NO DEFECTS NOTED, BITE CHECK GOOD.Jun 7, 2013 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2013060795032Actuator · malfunctionedLEFT PACK LIGHT ILLUMINATED ON RECALL & EXTINGUISHED ON RESET. ACFT GROUNDED. REPLACED RAM AIR DOOR ACTUATOR, REF AMM 21-51-21. PERFORMED BITE TEST NO ACTIVE FAULTS FOUND.Jun 7, 2013 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2013060494987A/C Pack · malfunctionedON RECALL THE LT PACK LIGHT ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED PACK/ZONE BITE TEST OF BOTH CONTROLLERS. FOUND RAM ACTUATOR FAULT ON CONT NR 1, RESET. RAN BITE SEVERAL TIMES WITH NO FAULTS. RAN PACKS FOR 10 MIN. NO FAULTS NOTED. INTERMITTENT FAULT.Jun 4, 2013 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2013052994929Control Valve · failedAFTER START, PRESSING THE MASTER CAUTION 6 PACK, THE AIR CONDITIONING LIGHT ILLUMINATED ALONG WITH THE LT PACK LIGHT AND MASTER CAUTION LIGHT. PRESSING THE MASTER CAUTION LIGHT AGAIN THE LT PACK AND AIR COND LIGHTS EXTINGUISHED. ACFT GROUNDED. PERFORMED PMay 29, 2013 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2013050394691Switch · failedON PRE-FLIGHT, FOUND NR 2 ENGINE, BLUE ANNUNCIATOR ON OVERHEAD, ENGINE VALVE CLOSED EXTINGUISHES IMMEDIATELY ON NR 2 ENGINE CUTOFF LEVER BEING OPENED. NO TRANSIT OF VALVE INDICATION) ALSO THIS BLUE ANNUNCIATOR DOES NOT CORRECTLY PRESS TO TEST. ACFT GROUNDED.May 3, 2013 · N594AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2013042894654Control Valve · malfunctionedRT PACK LIGHT ILLUMINATES ON RECALL. ACFT GROUNDED. REPLACED RT PACK TEMP CONTROL VALVE IAW MM 21-51-10. PERFORMED BITE TEST IAW MM 21-61-00, BITE CHECK GOOD.Apr 28, 2013 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2013041894546Control Valve · faultedAIR COND MASTER CAUTION AND OVERHEAD PACK LIGHT ILLUMINATED ON RECALL, BOTH LIGHTS EXTINGUISHED WHEN MASTER CAUTION RESET. BOTH AUTO TEMP CONTROLLERS BITE TESTED AND CLEARED TCV FAULT LOGGED IN NR 2 CONTROLLER. RAN BOTH TEMP CONTROLLS BITE TEST AND NO CURRENApr 18, 2013 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2013041494466Fmc · warning messageFMC DISAGREE ALERT MESSAGE ON GROUND. CLEARED WITH QRH PROCEDURE.Apr 14, 2013 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2013041294457Fmc · malfunctionedJUST PRIOR TO TAXI ON GROUND, FMC DISAGREE ANNUNCIATION ILLUMINATED. QRH PROCEDURE WAS ACCOMPLISHED AND FMCS REBUILT. OPS NORMAL.Apr 12, 2013 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2013040694403Control Panel · inoperativeMCP VERTICAL SPEED MODE INOPERATIVE. R & R MODE CONTROL PANEL IAW AMM 22-11-34-000-801 AND 22-11-34-400-81. OPS CHECK GOOD IAW MODE CONTROL PANEL INSTALLATION TEST - AMM 22-11-34-740-80.Apr 6, 2013 · N594AS · Boeing 737890 · Autopilot SystemSDR ASAA2013040194310Fmc · failedDURING DESCENT, VERTICAL SPEED MODE WOULD NOT RESPOND TO ANY INPUTS. `A` SIDE WAS MASTER & A/P `A` ENGAGED. REPLACED NR 1 FMC COMPUTER IAW MM TASKS 34-61-02-000-0801 & 34-61-02-400-801. CROSSLOAD SOFTWARE INAW MM 34-61-00-470-806. VERIFIED SOFTWARE CONFIGURApr 1, 2013 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2013033094291Fmc · inoperativeDURING DESCENT, VERTICAL SPEED WOULD NOT RESPOND TO INPUTS USING THE VERTICAL SPEED KNOB WITH A FCC AS THE MASTER. RESPONSE WAS IDENTICAL WITH AUTOPILOT ON OR OFF. VERTICAL SPEED WORKED NORMALLY WITH B FCC AS MASTER AND DURING CLIMB WITH EITHER FCC AS MASTER.Mar 30, 2013 · N594AS · Boeing 737890 · Autopilot SystemSDR ASAA2013032594264Battery Pack · no testEMERGENCY BATTERY PACK M1673 FAILED TEST. REPLACED AND OPS CHECKED GOOD, IAW MM 33-51-06-960-806.Mar 25, 2013 · N594AS · Boeing 737890 · Emergency Lighting
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