JASC 2230

Service difficulty reports · 1,084

Reports filed under 2230 · Auto Throttle 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 = '2230'
  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 ASAA2018031523913Autothrottle Sys · malfunctionedAUTO THROTTLES DID NOT ENGAGE. ACFT GROUNDED. LAST FLT AUTOTHROTTLE F.F.R. SHOWED 21 FAULTS WITH NO ASM DATA NR 2. IAW MM 22-31-91, REMOVED & REPLACED ASM-2. OPS CHECKED GOOD IAW MM. AUTOTHROTTLE CURRENT STATUS AND SERVO MOTOR TESTED GOOD. GROUND VERIFICMar 15, 2018 · N442AS · Boeing 737990ERSDR ASAA2018031023802Flight Dir · intermittentAUTOTHROTTLE FAILED AFTER TAKE OFF. RECONNECTED AT CRUISE. FAILED AGAIN DURING DESCENT. THE CAPTAIN`S AUTOPILOT A DISCONNECTED. AUTOPILOT B WORKED, MA LIGHTS KEPT SWITCHING BACK AND FORTH. CAPTAIN`S FLIGHT DIRECTOR FAILED INTERMITTENTLY. ACFT GROUNDED. Mar 10, 2018 · N493AS · Boeing 737990ERSDR ASAA2018022323692Computer · faultedAUTO THROTTLES WILL NOT STAY ON, AND WILL NOT ENGAGE. ACFT GROUNDED. ACCOMPLISHED A/T BITE IAW FIM 22-31 TASK 801, CURRENT STATUS PAGE SHOWS MESSAGE 22-31541 FCC-A (J1A-J12). IAW FIM 22-32 TASK 810, REMOVED AND REPLACED FCC-A COMPUTER IAW AMM 22-11-33/401.Feb 23, 2018 · N534AS · Boeing 737890SDR ASAA2018022723692Not Reported · malfunctionedAUTO THROTTLES WILL NOT STAY ON, AND WILL NOT ENGAGE. GROUNDED - YES. ON DEFERRAL.Feb 23, 2018 · N534AS · Boeing 737890SDR DXTA2018021200573Autothrottle Sys · malfunctionedENROUTE, AUTOTHROTTLES FAILED. SEVERAL AVIONICS ANOMALIES OCCURRED SIMULTANEOUSLY. LEFT DISPLAY MENU WOULD NOT DISPLAY MFD MAP NOR TEXT . LEFT MFD MAP DISPLAY WINDOW DOES NOT WORK. PERFORMANCE LANDING SPEEDS WILL NOT SEND. FLIGHT ATTENDANT REPORTED AN ELFeb 10, 2018 · N200QS · Cndair CL6002B16SDR ASAA2018020623433Servo Motor · faultedAUTO THROTTLE WILL NOT STAY CONNECTED. AUTO THROTTLE CHECKED OK. ACFT GROUNDED. AUTO THROTTLE IN FLT REVIEW SHOWED NUMEROUS ASM-2 RATE MONITOR FAULTS. IAW AMM 22-31-91, REMOVED & REPLACED ASM-2 . OPS CHECKED NORMAL IAW AMM. AUTO THROTTLE CURRENT STATUFeb 6, 2018 · N593AS · Boeing 737890SDR ASAA2018013123367Autothrottle Sys · malfunctionedON TAKEOFF AUTOTHROTTLE FAILED LOW SPEED ABORT. ACFT GROUNDED. ACCOMPLISHED DFCS BITE PROCEDURES IAW FIM 22-11 TASK 801, DFCS LAND VERIFY TEST IAW AMM 22-11-00/201, A/T BITE PROCEDURE IAW FIM 22-31 TASK 801 & HGS SYSTEM TEST IAW AMM 34-36-00, OPS CHECKED NJan 31, 2018 · N495AS · Boeing 737990ERSDR ASAA2018013123366Autothrottle Sys · malfunctionedAUTOTHROTTLES FAILED ON TAKEOFF. DISENGAGED APPROX 2 SECONDS AFTER TOGA. WILL NOT REMAIN ENGAGED MORE THAN A FEW SECONDS IN ALL PHASES OF THE FLIGHT. WILL NOT REMAIN ENGAGED WITH AUTOPILOT A OR B. ACFT GROUNDED. NO HISTORY LAST 90 DAYS. ACCOMPLISHED FIM 2Jan 31, 2018 · N596AS · Boeing 737890SDR HALA2018012300009Warning System · false activationAFTER THE NR 2 ENGINE START, STATUS A/THR APPEARED 'BTB'. RESET FMGC 1& 2, PERFORMED AFS TEST IAW AMM 22-96-00 NO FAULTS NOTED. ALL TEST PASSED OK TO CONTINUE.Jan 22, 2018 · N204HA · Airbus A321271NSDR ASAA2018011923229Unknown · malfunctionedAUTOTHROTTLE WOULD NOT ENGAGE ON TAXI OUT. GROUNDED - YES. ACCOMPLISHED AUTOTHROTTLE BITE PROCEDURES CURRENT STATUS PAGE SHOWED NO FAULTS. INFLIGHT HISTORY SHOWED NO FAULTS LEGS 1-5. MODE ANNUNCIATION TEST PASSED NO FAULTS. INPUT DISCRETES NO FAULTS NOTED. DISJan 19, 2018 · N442AS · Boeing 737990ERSDR ASAA2018011623193Autothrottle Sys · malfunctionedAUTOTHROTTLE DISENGAGED DURING TAXI WILL NOT REENGAGE. GROUNDED - YES. FLIGHT FAULT REVIEW LAST 2 LEGS SHOWS 33 FAULTS, ALL THE SAME CHAN-A MAINTENANCE MESSAGE 22-31543 A/T ENG 28 VDC INV. PERFORMED B737-800 FIM 22-31 TASK 802 FOR FOUND FAULT MAINT CODE 22-315Jan 16, 2018 · N534AS · Boeing 737890SDR QXEA2018011600015Autothrottle Sys · malfunctionedWITH AUTO THROTTLES ON, THE RIGHT THROTTLE LEVER WAS SLIPPING AND WOULD DISENGAGE THE AUTO THROTTLE. THE THROTTLE LEVERS OPERATED NORMALLY WITH AUTO THROTTLES DISENGAGED. REMOVED TCQ ASSY IAW AMM TASK 76-11-01-000-801-A, & INSTALLED A SERVICEABLE TCQ IAW 76-1Jan 14, 2018 · N629QX · Emb ERJ170200LRSDR ASAA2018010223076Autothrottle Sys · malfunctionedAUTOTHROTTLE KICKED OFF AND WOULD NOT REENGAGE. GROUNDED - YES. RELEASED PER MEL 22-4B AUTOTHROTTLE SYSTEM INOP AND MEL 22-99B CAT III AUTOLAND NOT AUTHORIZED. REF A/T BITE B737-900 FIM 22-31 TASK 801 NO CURRENT FAULTS. LEG 01 SHOWS MESSAGE 22-31688. REF FIM 2Jan 2, 2018 · N419AS · Boeing 737990ERSDR CA180103002Fms · failed(CAN) CAUTION MSG ON `FMS OEI` ONE ENGINE INOPERATIVE. LEFT THRUST LEVER WENT TO IDLE, DURING APPROACH TO RUNWAY ON INTERCEPT HEADING, CAUTION FMS OEI MSG AND LEFT THRUST LEVER WENT TO IDLE. DISCONNECTED AUTO-THROTTLE (A/T) AND ENGINE PARAMETERS, ALL NORMAL.Jan 1, 2018 · Airbus BD5001A11SDR AALA201801039025Autothrust Sys · faultedREJECTED TAKEOFF AT 85 KNOTS, INDICATED. 134, 200 POUNDS, AUTOTHROTTLE FAILED TO ARM, DID NOT INDICATE FLEX ON FLIGHT MODE ANNUCIATOR. RESET FLIGHT MANAGEMENT AND GUDIANCE COMPUTER 1 AND 2, AND FLIGHT CONTROL UNIT 1 AND 2 AND PERFORMED SATISFACTORY AUTOMATIC Jan 1, 2018 · N712US · Airbus A319112SDR ASAA2017121522926Servo · faultedAUTO THROTTLE WILL NOT STAY ENGAGED. ACFT GROUNDED. MULTIPLE ASM 2 FAULTS LOGGED IN LEG 8. DUE TO HISTORY REMOVED AND REPLACED THE NR 2 ASM IAW AMM 22-31-91, OPS CHECKED NORMAL.Dec 15, 2017 · N442AS · Boeing 737990ERSDR DALA2017121408611Computer · malfunctionedSHIP 1815 RETURNED TO ATL DUE TO LOSING THRUST MANAGEMENT, LNAV AND VNAV. CORRECTIVE ACTION: REPLACED THRUST MANAGEMENT COMPUTER. PERFORMED AFDS TEST 30 AND 40. TESTS GOOD. A/C RTS. (9986638).Dec 14, 2017 · N839MH · Boeing 767432ERSDR ASAA2017120622801Switch · faultedPSEU SHOWS FAULT 31-52002 L LT 53 FAULT DURING T/S FOR MEL 78-7B REF DEFECT 11762380. GROUNDED - YES. EVALUATED FAULT PER B737-800 FIM 32-09 TASK 815. REMOVED AND REPLACED M01766 #1 AUTOTHROTTLE SWITCHPACK REF B737-800 AMM 76-11-07-700-802-F00. COMPLETED AUTOTDec 6, 2017 · N592AS · Boeing 737890SDR ASAA2017112822710Autothrottle Sys · malfunctionedAUTO THROTTLE DISENGAGED DURING TAKEOFF ROLL. WILL NOT RE-ENGAGE. ACFT GROUNDED . FFR LOGGED ASM2 RATE MONITOR. MESSAGE 22-31688. CYCLED ATS POWER. TORQUE, SERVO, & CURRENT STATUS BITE CHECKS ALL NORMAL IAW FIM 22-31, TASK 805 & 22-32, TASK 819.Nov 28, 2017 · N442AS · Boeing 737990ERSDR FDEA201711223292Computer · failedAFTER TAKEOFF, THE NR 2 ENGINE LOST POWER, ROLLED BACK. PARAMETERS NOT NOTED. PUSHED THROTTLE BACK UP AND REGAINED POWER. OPERATED NORMALLY. THIS ENGINE TOOK 2 START ATTEMPTS ON PUSHBACK. AUTO THROTTLES ENGAGED ENTIRE FLIGHT. REPLACED THE THRUST CONTROL Nov 22, 2017 · N653FE · Airbus A300F4605RSDR ASAA2017111722631Autothrottle Sys · malfunctionedAUTO THROTTLE WILL NOT REMAIN ENGAGED DISCONNECTS WHEN RE-ENGAGED. NOTED NR 1 THRUST LEVER MOVES, NR 2 LEVER DOES NOT. THEN DISCONNECT OCCURRED. GROUNDED - YES. PERFORMED AUTOTHROTTLE BITE REF FIM 22-31 TASK 801. FOUND FAULT 22-31688 ASM 2 FAULT ON LEG 8. NO ONov 17, 2017 · N557AS · Boeing 737890SDR ASAA2017110722474Autothrottle Sys · malfunctionedAUTOTHROTTLE ARMED FOR TAKEOFF AND DISCONNECTED AT TOGA ON TAKEOFF. ADVANCED THROTTLES MANUALLY. ATTEMPTED TO REENGAGE BUT THE AUTOTHROTTLE DISENGAGED AGAIN. ACFT GROUNDED. FAULT HISTORY SHOWED NR 2 AUTOTHROTTLE SERVO MOTOR FAILURE, FOR 7 LEGS. NO OTHER FNov 7, 2017 · N512AS · Boeing 737890SDR AALA201711099017Warning Message · false activationREJECTED TAKEOFF AT 80 KNOTS, DUE TO NO MAN FLEX ON THE FMA AND AN UNINHIBITED CHIME. BRAKE TEMPERATURE DID NOT EXCEED 220 DEGREES. ACCOMPLISHED FMGC 1 AND 2 RESET IAW TSM 24-00-00 ACCOMPLISHED ILS TEST IAW AMM 22-97-00. ALL TESTS PASSED, NO FAULTS NOTED. Nov 5, 2017 · N9025B · Airbus A319115SDR ASAA2017102922345Servo Motor · faultedAUTOTHROTTLE WILL NOT ENGAGE. ACFT GROUNDED. MULTIPLE NR 1 ASM FAULTS IN HISTORY. REPLACED THE NR 1 AUTOTHROTTLE SERVO MOTOR IAW AMM 22-31-91/401. OPS CHECKED GOOD.Oct 29, 2017 · N492AS · Boeing 737990ERSDR ASAA2017102722347Switch · failedON DEPARTURE, AUTOTHROTTLE FAILED, WILL NOT REARM. ACFT GROUNDED. REPLACED THE CO-PILOT`S AUTOTHROTTLE DISENGAGE SWITCH IAW AMM 22-31-51-400-801. REPLACED THE PILOT`S AUTOTHROTTLE DISENGAGE SWITCH, OPS NORMAL IAW AMM 22-31-51-400-801. ACCOMPLISHED AN AUTOOct 27, 2017 · N593AS · Boeing 737890SDR ASAA2017102322292Autothrottle Sys · malfunctionedAUTOTHROTTLE CIRCUIT BREAKER TRIPPED. ACFT GROUNDED. CLOSED THE CIRCUIT BREAKER IAW AMM 20-60-01. ACCOMPLISHED AN AUTOTHROTTLE BITE CHECK. NO FAULTS IAW AMM 22-31-00. ACCOMPLISHED SERVO MOTOR TEST, NO FAULTS NOTED.Oct 23, 2017 · N402AS · Boeing 737990ERSDR ASAA2017102122270Autothrottle Sys · malfunctionedDURING TAXI OUT, AUTOTHROTTLE FAILED TO ARM. ALL CIRCUIT BREAKERS IN. ACFT GROUNDED. ACCOMPLISHED AUTOTHROTTLE SYSTEM TEST IAW AMM 22-31-00-710-801. NO FAULTS IN CURRENT STATUS. NO HISTORY 60 DAYS.Oct 21, 2017 · N586AS · Boeing 737890SDR ASAA2017101422197Throttle · stickingAUTOTHROTTLE DISENGAGED, IT APPEARS RIGHT THROTTLE MOVES, LEFT STICKS DOES NOT MOVE, CAUSING THE THROTTLE TO SPLIT AND DISENGAGE. ACFT GROUNDED. ACCCOMPLISHED AUTOTHROTTLE SYSTEM TEST, THE SERVO MOTOR TEST PASSED WITH NO FAULTS IAW AMM 22-31-00-710-802. PEOct 14, 2017 · N492AS · Boeing 737990ERSDR FDEA201710132937Autothrottle Sys · malfunctionedDURING TAKE OFF, OVERHEAD ATS LEVER POPPED OFF TWICE. WOULD NOT RESET. ABORTED TAKEOFF AND RAN QRH, SECOND ATTEMP SUCCESFUL. PERFORMED AN ADJUSTMENT AND TEST OF AUTOTHROTTLE IAW AMM 22-30-00-05-01, NO DEFECTS NOTED. PERFORMED AFS - LAND TESTS IAW AMM 22-4Oct 13, 2017 · N667FE · Airbus A300F4605RSDR ASAA2017092826309Not Reported · malfunctionedAUTO THROTTLE INOP WILL NOT ENGAGE. GROUNDED - YES. PERFORMED FIM TASK 22-31 TASK 801 BITE PROC. CHECKED GOOD. NO FAULT NOTED. NO HISTORY IN 60 DAYS. OPS NORMAL.Sep 28, 2017 · N534AS · Boeing 737890SDR ASAA2017092222021Switch · faultedAFTER LANDING THE NR 1 THRUST REVERSER LEVER LOCKED UP AND WOULD NOT RELEASE FROM 1ST DETENT. NR 2 THRUST REVERSER OPERATED NORMALLY. SHORTLY AFTER LANDING, THE NR 1 THRUST REVERSER LIGHT ON OVERHEAD PANEL ILLUMINATED. NR 1 THRUST REVERSER LIGHT REMAIN ILLSep 22, 2017 · N557AS · Boeing 737890SDR ASAA2017091921982Autothrottle Sys · malfunctionedDURING TAKEOFF, TOGA WAS SELECTED, THROTTLES ADVANCED NORMALLY TO APPROXIMATELY 95 PERCENT N1. THE LEFT THROTTLE CONTINUED TO 99.5 PERCENT N1 WHILE THE RIGHT THROTTLE STOPPED AT 95.5 N1. AFTER APPROXIMATELY 5-6 SECONDS ADVANCED RIGHT THROTTLE TO 99.5 N1 TO Sep 19, 2017 · N514AS · Boeing 737890SDR ASAA2017091821980Control Panel · faultedAUTOTHROTTLE DISENGAGED UNCOMMANDED ON DESCENT AND WOULD NOT RE-ENGAGE. ACFT GROUNDED. AUTOTHROTTLES LOGGED FAULT MESSAGE 22-31543, ENG 28 VDC INV, FAULT IS LOGGED IN PREVIOUS A/T DEFECTS. OPS CHECKED THE AUTOTHROTTLE DISCONNECT SWITCHES, NO FAULT NOTED. REMSep 18, 2017 · N593AS · Boeing 737890SDR ASAA2017090421815Computer · faultedAUTOTHROTTLE WILL NOT ARM FOR TAKEOFF. ACFT GROUNDED. AUTOTHROTTLE FAULT HISTORY LOGGED, MX MESSAGE 22-31543 ON FLIGHT LEG 08. DURING CURRENT STATUS TEST, AUTOTHROTTLE WOULD NOT ARM WITH MX MESSAGE 22-31541. REPLACED FCC A IAW FIM 22-31 TASK 802. ALL INSTALSep 4, 2017 · N593AS · Boeing 737890SDR ASAA2017082921755Autothrottle Sys · malfunctionedAUTHTHROTTLE ARM SWITCH WILL NOT ENGAGE DURING TAXI OUT. ACFT GROUNDED. AUTOTHROTTLE FAULT HISTORY SHOWED 1 LEG SHOWING FAULT 22-31543 AUTOTHROTTLE INTERNAL PROBLEMS. ACCOMPLISHED FIM 22-31, TASK 802. NO CURRENT FAULTS FOR AUTOTHROTTLE OR DFCS. INTERMITTENT Aug 29, 2017 · N514AS · Boeing 737890SDR ASAA2017082721714Computer · failedAUTO THROTTLE INITIALLY ARMED, THEN DISCONNECTED WHILE TAKING ACTIVE RUNWAY AND UNABLE TO REARM AUTOTHROTTLE. ACFT GROUNDED. REMOVED & REPLACED FCC-A IAW AMM 22-11-33-00-801/-400-801, RESPECTIVELY. PERFORMED AMM TASK 22-31-00-710-801. AUTOTHROTTLE SYS CHECKAug 27, 2017 · N593AS · Boeing 737890SDR ASAA2017081921661Autothrottle Sys · malfunctionedAUTOTHROTTLE WILL NOT REMAIN ENGAGED. ACFT GROUNDED. AUTOTHROTTLE BITE IAW FIM 22-31 TASK 801 SHOWED MULTIPLE OCCURRENCES OF FAULT 22-31687 "RATE MONITOR" FOR ASM-1. ACCOMPLISHED TROUBLESHOOTING FOR FAULT 22-31687 IAW FIM 22-32 TASK 819. INITIAL EVALUATIONAug 19, 2017 · N492AS · Boeing 737990ERSDR ASAA2017080921597Autothrottle Sys · malfunctionedAFTER TAKEOFF, WHEN TOGA PRESSED, A/T SWITCH WENT OFF TWICE. ACFT GROUNDED. PERFORMED FIM 22-31 TASK 805, A/T SERVO MOTOR FAILURE, LOGGED MESSAGE 22-31687. CHECKED GOOD. A/T BITE PROCEDURE GOOD. OPS NORMAL.Aug 9, 2017 · N467AS · Boeing 737990ERSDR ASMF201708003Control Panel · malfunctionedCAPTAIN REPORTED THAT DURING APPROACH AUTOTHROTTLE DISENGAGES CONTINUOUSLY, LEFT COURSE CAN NOT BE ADJUSTED DURING DESCENT PROCEDURE AND FLIGHT DIRECTOR CAPTAIN SIDE OUT OF SERVICE. MAINTENANCE PERSONNEL PERFORMED AUTOTHROTTLE SYSTEM OPERATIONAL TEST IAW AMM 2Aug 6, 2017 · N520AM · Boeing 73781QSDR ASAA2017073021500Motor · faultedDURING TAKE OFF, AUTOTHROTTLES DISENGAGED CLOSE TO THE TIME TAKE OFF POWER WAS SET IN TOGA MODE. DURING CLIMB, WE RE-ATTEMPTED A/T ENGAGEMENT BUT IT KICKED OFF WITH IN A COUPLE OF SECONDS OF ACTIVATION. WE NOTED THE #2 THROTTLE MOVED A BIT DURING THE BRIEF TIMJul 30, 2017 · N586AS · Boeing 737890SDR ASAA2017072721488Computer · faultedAUTOTHROTTLES WILL NOT ENGAGE IN ANY MODE OF FLIGHT. ACFT GROUNDED. AUTOTHROTTLE FFR SHOWS ASM-2 RATE MONITOR FAULTS ON NUMEROUS FLTS IAW AMM 22-31-91, REMOVED/REPLACED ASM-2. OPS NML REF SAME. SERVO MOTOR TEST GOOD. THIS CLEARS MEL 22-4B, AND 22-99B.Jul 27, 2017 · N536AS · Boeing 737890SDR ASAA2017072321436Autothrottle Sys · malfunctionedAUTOTHROTTLES DISENGAGED, WILL NOT REMAIN ENGAGED. ACFT GROUNDED. PERFORMED A/T BITE IAW FIM 22-31, TASK 801. NO CURRENT FAULTS. FOUND FAULT FLT LEG 3 - 22-31688 - RATE MONITOR ASM 2 SUSPECT. PERFORMED FIM 22-32, TASK 819. INTERACTIVE TESTS ARE OK. NO FAULTSJul 23, 2017 · N536AS · Boeing 737890SDR ASAA2017071021347Switchpack · failedPSEU LIGHT ILLUMINATED. ACFT GROUNDED. TRA LT 53 FAULT CODE 31-52002 FOUND ON PSEU. CONFIRMED STATUS OF D10982 PIN 42 WOULD NOT CHANGE WITH THRUST LEVER MOVEMENT AS REQUIRED IAW FIM 32-09, TASK 815. REPLACED THE LT AUTOTHROTTLE SWITCH PACK M1766 AND AJUSTED Jul 10, 2017 · N431AS · Boeing 737990ERSDR FDEA201707091886Autothrottle Sys · malfunctionedAFTER BOTH ENGINES WERE STARTED. WHILE AWAITING THE GROUND CREW TO CLEAR THE WING. THE AUTO THROTTLE SERVO ENGAGED AND ATTEMPTED TO ADVANCE THE POWER. CAPTAIN RESTRAINED THRUST LEVER MOVEMENT, NO INDICATIONS OR COCKPIT EFFECTS OTHER THAN THE AUDIBLE NOISJul 9, 2017 · N887FD · Boeing 777FS2SDR ASAA2017070821312Autothrottle Sys · malfunctionedON DEPARTURE, NOTICED AN N1 SPLIT UPON TOGA SELECTION WITH AUTOTHROTTLES ON APPROX 1%. CONFIRMED THAT FMC COMMANDED VALUES WERE SET BY THE AUTOTHROTTLES. UPON SELECTION OF N1 MODE DURING CLIMB THE FMC COMMANDED VALUES MATCHED UP AS NORMAL AND SYSTEM PERFORMEDJul 8, 2017 · N538AS · Boeing 737890SDR ASAA2017062821218Light · intermittentAUTOTHROTTLE ARM LIGHT INOPERATIVE. ACFT GROUNDED. CYCLED ACFT POWER. AUTO ARM LIGHT ILLUMINATES NORMAL IAW FIM 22-31-801.Jun 28, 2017 · N585AS · Boeing 737890SDR ASAA2017062221169Autothrottle Sys · malfunctionedAUTOTHROTTLES DISCONNECT WITH ANY MOVEMENT. ACFT GROUNDED. ACCOMPLISHED FIM 22-32 TASK 819, OPS NORMAL, NO FAULTS NOTED AND NO HISTORY LAST 30 DAYS.Jun 22, 2017 · N536AS · Boeing 737890SDR ASAA2017062121159Servo · failedAUTOTHROTTLE WILL NOT STAY CONNECTED. ACFT GROUNDED. CONFIRMED FAULT, AUTOTHROTTLE INOPERATIVE. CURRENT BITE & FAULT HISTORY SHOW ASM-1 FAULT MESSAGE 22-31687. REMOVED & REPLACED THE AUTOTHROTTLE ASM-1 IAW AMM 22-31-91. GROUND FUNCTIONAL CHECK NORMAL IAW AMJun 21, 2017 · N419AS · Boeing 737990ERSDR ASAA2017062021157Autothrottle Sys · failedJUST AFTER TOP OF DESCENT, AUTOPILOT A AND AUTOTHROTTLES DISENGAGED ON THEIR OWN. AUTOPILOT A WOULD REENGAGE JUST FINE, BUT AUTOTHROTTLES WOULD NOT FOR REMAINDER OF FLIGHT. ACFT GROUNDED. REMOVED & REPLACED AUTOTHROTTLE SERVO MOTOR IAW AMM 22-31-91-000-801Jun 20, 2017 · N593AS · Boeing 737890SDR AALA201706059010Autothrust Sys · malfunctionedDURING APPROACH, AUTO THRUST ON, UNCOMMANDED SPEED WITH INCREASE TO +20, AUTO THRUST DISENGAGED. APPROXIMATELY 30 SECONDS LATER BOTH ENGINES EXCEEDED EGT LIMIT (EST OF 600) WITH ECAM MESSAGE. MAINTENANCE FOUND GAS PATH REPORT WITHIN LIMTS IAW 77-00-00-810. PERJun 3, 2017 · N560UW · Airbus A321231
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