N431AS

Service difficulty reports · 360

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 = 'N431AS' 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 ASAA2017112422685Link · looseWHILE ACCOMPLISHING TC 78472000, NR 1 ENGINE UPPER CLEVIS BOLT ROD LINK LOOSE JUST FWD OF PRSOV. ACFT GROUNDED. REPLACED CLEVIS ROD LINK IAW MANUAL 71-00-02.Nov 24, 2017 · N431AS · Boeing 737990ER · Engine (Turbine/Turboprop)SDR ASAA2017102022295Sign · detachedFA REPORTED THE R2 DOOR WHITE EXIT SIGN DETACHED. ACFT GROUNDED. REMOVED AND REPLACED THE LIGHT ASSEMBLY. OPS CHECKED IAW AMM 33-51-00-720-801. OPS GOOD. OK FOR CONTINUED SERVICE.Oct 20, 2017 · N431AS · Boeing 737990ER · Emergency LightingSDR ASAA2017090821870Anti-Ice System · malfunctionedDURING REFUELING, NOTED THE RT WING ANTI-ICE ON WITH SWITCH SELECTED OFF. ACFT GROUNDED. CYCLED WING ANTI-ICE VALVE CIRCUIT BREAKLER ON THE P18-3 PANEL, CYCLED RT WING ANTI-ICE SWITCH, OPS CHECKED NORMAL IAW AMM 30-11-11, NO HISTORY FOR 30 DAYS.Sep 8, 2017 · N431AS · Boeing 737990ER · Airfoil Anti/De-ice SystemSDR ASAA2017083121783Control Valve · stuckRIGHT TCV HAD A RECENT FAULT HISTORY AND CABIN TEMP ISSUES. ACFT GROUNDED. REMOVED AND REPLACED THE RT TEMP CONTROL VALVE IAW AMM 21-51-10/401. PERFORMED BITE TEST IAW AMM 21-51-00-700-803. VALVE FOUND STUCK.Aug 31, 2017 · N431AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2017083021766A/C Pack · malfunctionedDURING DECENT, FA'S REPORTED HOT CABIN TEMPS, FOLLOWED QRH 2.7, TURNED OFF RT PACK, CONTINUED DECENT WITH UNCONTROLLABLE TEMP. ACFT GROUNDED. ACCOMPLISHED BITE CHECK OF RT PACK, SHOWED TCV FAULT, FAULT CLEARED IAW FIM 21-62, TASK 801. OPS CHECK OF RT PACK AAug 30, 2017 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2017082721739Fmc · malfunctionedRIGHT FMC FAILED AT FL340 IN CRUISE FLIGHT. FIRST OFFICER`S VTK AND MAP FLAGS. SYSTEM RECOVERED AFTER 1 MINUTE. SINGLE FMC OPS IN SCRATCH PAD MESSAGE CLEARED. ACFT GROUNDED. PERFORMED FIM 34-61 TASK 807 WITH NO FAULTS NOTED. PERFORMED FMC BITE FIM 34-61-TASKAug 27, 2017 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2017080921583A/C Pack · malfunctionedDURING CRUISE AT FL360, RIGHT PACK OUTPUT TEMP CLIMBED TO 70C REGARDLESS OF TEMP CONTROL POSITION. IAW QRH, TRIM AIR OFF, RIGHT PACK OFF, PASSENGER CABIN COOLED TO NORMAL TEMP. TURNED PACK ON AGAIN, APPROXIMATELY 1 HOUR LATER, AND DURING DESCENT THROUGH 10,000Aug 9, 2017 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2017072921485Circuit Breaker · trippedFOUND CIRCUIT BREAKER TRIPPED, AFT PAX ZONE TEMP DUCT OVERHEAT. ACFT GROUNDED. RESET THE CIRCUIT BREAKER IAW AMM 20-60-01. PERFORMED A PACK/ZONE TEMP CONTROLLER BITE TEST IAW AMM 21-61-00 AND ALL OPS CHECKED GOOD, NO CURRENT FAULT, NO HISTORY 30 DAYS.Jul 29, 2017 · N431AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2017072621464Wire Harness · damagedWHILE WORKING ON RIGHT ENGINE B LOOP MEL, FOUND CORE FIRE DETECTION HARNESS MW0325 FOR LOOP A DAMAGED AT 3 O`CLOCK POSITION RIGHT SIDE. GROUNDED - YES. REMOVED AND REPLACED MW0325 LOOP A REF B737-900 AMM 26-11-02. OPS CKS GOOD. PERFORMED ALTERNATE DEACTIVATIJul 26, 2017 · N431AS · Boeing 737990ER · Fire DetectionSDR ASAA2017072321450Wire Harness · no testENGINE B LOOP INOPERATIVE. ACFT GROUNDED. REMOVED AND REPLACED THE CORE FIRE DETECTION HARNESS MW0326 IAW AMM 26-11-02-000-802, AND AMM TASK 26-11-02-400-802. OPS CHECKED GOOD.Jul 23, 2017 · N431AS · Boeing 737990ER · Fire Protection System WiringSDR 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 737990ER · Auto Throttle SystemSDR ASAA2017070921327Warning Light · false activationAFTER RECALL, RECEIVED A MASTER CAUTION FOR THE RT PACK, EXTINGUISHED ON RESET. ACFT GROUNDED. PERFORMED FIM 21-53 ,TASK 804, RIGHT PACK LIGHT ON DURING GROUND OPS & STAYS OFF AFTER RESET. CHECKED GOOD. OPS NORMAL. NO HISTORY IN 30 DAYS.Jul 9, 2017 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2017062121188Pressure Switch · failedDURING PASSENGER OXYGEN TEST, ALTITUDE PRESSURE RELEASED AT 13,000 FT IAW AMM 35-22-00-700-801, SHOULD RELEASE AT 14,000 FT PLUS OR MINUS 350 FT. ACFT GROUNDED. REMOVED AND REPLACED PRESSURE SWITCH AND INSTALLATION TESTED GOOD IAW AMM 35-22-41.Jun 21, 2017 · N431AS · Boeing 737990ER · Passenger Oxygen SystemSDR ASAA2017061321142Channel · corrodedFWD CARGO COMPARTMENT LH TRANSITION PANEL HAS SEVERAL AREAS OF CORROSION FROM STA 500D TO 500G+12. ACFT GROUNDED. REMOVED AND REINSTALLED FLOOR PANEL 120EF IAW AMM 25-52-10. REMOVED CORROSION ON LT TRANSITION PANEL AND FOUND TO BE OUT OF LIMITS IAW SRM 53-0Jun 13, 2017 · N431AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2017061321120Channel · corrodedFWD CARGO BAY RT TRANSITION PANEL HAS SEVERAL AREAS OF CORROSION FROM BS 500D - 500G+12. ACFT GROUNDED. REMOVED CORROSION AND TREATED IAW AMM 51-05-01. REMOVED TRANSITION PANEL. FABRICATED A NEW PANEL, INSTALLED AND APPLIED PROTECTIVE COATINGS IAW SRM 5-00-Jun 13, 2017 · N431AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2017052620858Radar · malfunctionedCAPTAIN'S WEATHER RADAR DEPICTING WEATHER WHEN THERE IS NO WEATHER. ACFT GROUNDED. ACCOMPLISHED WEATHER GROUND VERIFICATION TEST IAW AMM 34-43-00, TEST PASSED.May 24, 2017 · N431AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2017051120741Sensor · intermittentNR 2 ENGINE ACMS DATA SHOWS INTERMITTENT N2 VALUES FROM OIP REPORT 7. TAKEOFF AND CRUISE ACMS REPORTS SHOW NORMAL PARAMETERS. ACFT GROUNDED. REPLACED THE N2 SPEED SENSOR ON THE NR 2 ENGINE IAW AMM 77-11-01. ENGINE IDLE LEAK CHECKED GOOD AND BITE CHECK SHOMay 11, 2017 · N431AS · Boeing 737990ER · Power Indicating SystemSDR ASAA2017042520533Sensor · defectiveLEFT FORWARD WINDOW OVERHEAT LIGHT ILLUMINATED. RAN QRH AND LIGHT STAYED ON. GROUNDED - YES. REF FIM 30-41 TASK 812. WINDOW SENSOR FAULT. CONFIRMED LEFT FWD FAULT. WHCU M321 SHOWS SENSOR FAULT OF PRIMARY SENSOR. MOVED SENSOR SELECT SWITCH FROM THE PRIMARY TO SApr 25, 2017 · N431AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2017033120299Warning System · false activationAFTER ENGINE START RIGHT PACK LIGHT CAME ON UPON RECALL. PACK LIGHT WENT OUT UPON MASTER CAUTION RESET. GROUNDED - YES. COULD NOT DUPLICATE MALFUNCTION. NO FAULTS LOGGED ON EITHER PZTC. BOTH PZTC BITE CHECK NORMAL, REF AMM 21-61-20-400-801.Mar 31, 2017 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2017012019476Servo · faultyAUTO THROTTLES FAILED ON TAKEOFF. WOULD RE-ENGAGE, BUT THEN CLICK OFF AS THE THROTTLE TRIES TO MOVE. GROUNDED - YES. CONFIRMED FAULT, A/T FLIGHT FAULT REVIEW SHOWS MSG 22-31688 (1) ASM2 CH-A SPD RATE MONITOR (2) ASM2 CH-A N1 RATE MONITOR, & (3) ASM2 CH-A ARM RJan 20, 2017 · N431AS · Boeing 737990ER · Auto Throttle SystemSDR ASAA2017011819443Fmc · failedFO FMC FAILED. RAN QRH, OPS NORMAL. GROUNDED. ACCOMPLISHED FMC SYSTEM BITE IAW FIM 34-61 TASK 801. NO FAULTS PRESENT & NO INFLIGHT FAULTS. SUSPECT FMC NUISANCE ERROR IAW AMM 34-61-00-860-801.Jan 18, 2017 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2017011619410Autothrottle Sys · malfunctionedAUTO THROTTLE DISENGAGED AND WOULD NOT STAY ENGAGED WHEN SELECTED. ACFT GROUNDED. UNABLE TO DUPLICATE/VERIFY DISCREPANCY. PERFORMED FIM 22-31 TASK 801. AUTOTHROTTLE FLIGHT FAULT REVIEW SHOWED ASM-2 RATE MONITOR FAULT. PERFORMED FIM 22-31 TASK 805, NUMEROUS CJan 16, 2017 · N431AS · Boeing 737990ER · Auto Throttle SystemSDR ASAA2016122219148Fmc · malfunctionedPILOT REPORTED ON TOUCHDOWN, ALL ROUTE DATA IS REMOVED FROM FMCS. ACFT GROUNDED. IAW AMM 24-61-00-860-801. THIS IS CONSIDERED A FLIGHT OPERATION NORMAL, NUISANCE CONDITION WITH FMC OPS U11.0 SOFTWARE.Dec 22, 2016 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2016122019111Fmc · failedLT FMC APPEARS FAILED. FMC MENU DISSAPPEARS AND REAPPEARS ABOUT 1 MINUTE LATER THEN DISAPPERAS AGAIN. VTK APPEARS ON LT NAV DISPLAY. ACFT GROUNDED. REPLACED THE NR 1 FMC COMPUTER IAW AMM 34-61-02-000-801. OPS CHECKED NORMAL IAW AMM 34-61-00/26. AFTER SEVERALDec 20, 2016 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2016121118994Window · faultyFOLLOW-UP TO RECENT HISTORY OF L2 WINDOW OVERHEAT REPORTS. GROUNDED - YES. REMOVED L2 WINDOW PER AMM 56-12-11-000-801. HEATER TAP CHECK FOR A H15, REF WDM 30-41-12. INSTALLED NEW L2 WINDOW PER AMM 56-12-11-400-801. RIG AND OPS CHECK GOOD.Dec 11, 2016 · N431AS · Boeing 737990ER · Flight Compartment WindowsSDR ASAA2016121018993Switchpack · failedPSEU LIGHT ILLUMINATED AFTER BOTH ENGINES WERE STARTED AND RECALL WAS CHECKED. ACFT GROUNDED. PSEU LOGGED TRA L LT 53 FAULT 31-52002 . LT THROTTLE TAKEOFF WARNING WAS INTERMITTENT WHEN TESTED. REMOVED AND REPLACED LEFT AUTOTHROTTLE SWITCHPACK ASSEMBLY M1766 Dec 10, 2016 · N431AS · Boeing 737990ER · Engine ControlsSDR ASAA2016112018770Warning Light · illuminatedPSEU LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED PSEU BITE FOUND FAULT CODE 31-52002. IAW FIM 32-09 TASK 815, FOUND NO GROUND AT PIN 42. CYCLED AIRCRAFT POWER, PERFORMED PSEU BITE, ALL MAINTENANCE MESSAGE CLEARED AND PSEU LIGHT IS OUT.Nov 20, 2016 · N431AS · Boeing 737990ER · Central WarningSDR ASAA2016111818739Pump · failedDURING PREFLIGHT, LEFT MAIN FWD FUEL PUMP LOW PRESSURE LIGHT REMAINED ILLUMINATED WHEN SWITCH TURNED ON. ACFT GROUNDED. REMOVED AND REPLACED LEFT MAIN FWD BOOST PUMP IAW AMM 28-22-41. OPS CHECK GOOD IAW AMM 28-22-41.Nov 18, 2016 · N431AS · Boeing 737990ER · Fuel Boost PumpSDR ASAA2016102218443Wire Harness · damagedRIGHT ENGINE INSPECTION FOUND NR 2 ENGINE CORE DETECTION MW0326 HARNESS INSULATIONS ARE MISSING. ACFT GROUNDED. REMOVED AND REPLACED THE WIRE HARNESS IAW AMM 26-11-02. ENGINE FIRE DETECTOR OPS TESTED NORMAL IAW AMM 26-11-00.Oct 22, 2016 · N431AS · Boeing 737990ER · Fire Protection System WiringSDR ASAA2016100518222Wire Harness · damagedWHILE PERFORMING TASK CARD N8420000, FOUND THE NR 1 ENGINE CORE FIRE DETECTION HARNESS MW0326 BRADED SHIELDING BROKEN. ACFT GROUNDED. REMOVED AND REPLACED NR 1 ENGINE FIRE DETECTION HARNESS IAW AMM 26-11-02. OPS CHECKED GOOD.Oct 5, 2016 · N431AS · Boeing 737990ER · Fire Protection System WiringSDR ASAA2016082417795Keyboard · defectiveCAPTAIN`S FMC TOUCHPAD, NEXT PAGE, BUTTON STICKING DOWN WITH NO REBOUND. RESULTING IN FREEZING THE FMC PAGE. ACFT GROUNDED. R & R CAPTAIN'S FMC`S CDU KEY PAD AND OPS NORMAL IAW AMM 34-61-01.Aug 24, 2016 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2016081317677Sensor · failedLEFT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED ON LANDING. TURNED SWITCH OFF, WAITED 10 MINUTES, SWITCH ON AND LIGHT ILLUMINATED. ACFT GROUNDED. RESISTANCE CHECKED AT L2 WINDOW SHOWS OPEN FOR PRIMARY SENSOR. MOVED TERMINAL TO SPARE SENSOR, RESISTANCE CHECKED GAug 13, 2016 · N431AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2016081017669Lens · missingEMERGENCY LIGHT COVER 8ABC MISSING. ACFT GROUNDED. REPLACED MISSING LENS COVER, REF AMM 33-51-03. OK FOR SERVICE.Aug 10, 2016 · N431AS · Boeing 737990ER · Emergency LightingSDR ASAA2016072817559Fmc · failedFMC P/RST ANNUNCIATOR LIGHT ILLUMINATED FOLLOW BY CAPTIANS VTR AND MAP FAILURE FLAG CDUS WENT TO MENU WITHOUT FMC LINE L-1. RESTORED NORMAL DISPLAYS WITH FMC SWITCH BOTH ON RT. ACFT GROUNDED. REPLACED LEFT FMC IAW AMM 34-61-02. OPS CHECKED GOOD.Jul 28, 2016 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2016071717411Shim · worn24 BLADE SHIMS WORN. ACFT GROUNDED. REMOVED AND REPLACED THE BLADE SHIMS IAW TC 78472002.Jul 17, 2016 · N431AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2016071317368Shim · wornFAN BLADE SHIMS REQUIRE REPLACEMENT. 24 EACH REQUIRED. ACFT GROUNDED. REPLACED FAN BLADE SHIMS IAW T/C 78472002.Jul 13, 2016 · N431AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2016071017336Wire Harness · failedDURING APU BITE 49-60 TASK 801 CURRENT STATUS MESSAGE SHOWS. 49-71147 EGT 1 THERMOCOUPLE SHOWS OPEN CIRCUIT. ACFT GROUNDED. REMOVED AND REPLACED APU WIRING HARNESS IAW AMM 49-11-01-400-802, AND NR 1 EGT THERMOCOUPLE IAW AMM 49-71-21. APU OPERATIONAL TEST ANJul 10, 2016 · N431AS · Boeing 737990ER · APU System WiringSDR ASAA2016070117217Electronic Unit · failedSATCOMS 1 AND 2 COULD DIAL AND RECEIVE DISPATCH COMMUNICATION, BUT COULD NOT TRANSMIT SUCCESSFULLY. ACCOMPLISHED QRH FOR POSSIBLE LOCKUP ISSUE, DID NOT FIX THE PROBLEM. ACFT GROUNDED. ACFT CHECKED & RELEASED IAW MEL 23-18, SATCOM 1 & 2 INOPERATIVE. R & R RJul 1, 2016 · N431AS · Boeing 737990ER · Audio Integrating SystemSDR ASAA2016063017236Thermocouple · failedON ENGINE START N2 DID NOT INCREASE ABOVE 18 - 20 % NR 2 THAN NR 1 ENGINE. ACFT GROUNDED. REPLACED NR 1 AND 2 EGT THERMOCOUPLE IAW AMM 49-71-21. OPS CHECKED OK.Jun 30, 2016 · N431AS · Boeing 737990ER · Airborne Auxiliary Power Unit (APU) SystemSDR ASAA2016063017235Thermocouple · malfunctionedINTERMITTENT APU BLUE MAINT LIGHT. ACFT GROUNDED. REPLACED NR 1 AND 2 EGT THERMOCOUPLE IAW AMM 49-71-21. OPS CHECKED OK.Jun 30, 2016 · N431AS · Boeing 737990ER · APU Oil SystemSDR ASAA2016052316830Satcom · malfunctionedSATCOM INOPERATIVE, CAN CALL OUT AND RECEIVE CALLS. HOWEVER, RECEIVING STATION CANNOT HEAR OUR OUTGOING TRANSMISSIONS. THERE IS AN ECHO WHEN TRANSMITTING. CONDITION OCCURS ON BOTH SAT 1 AND SAT 2. ACFT GROUNDED. COULD NOT DUPLICATE, NO HISTORY 30 DAYS. ACCOMay 23, 2016 · N431AS · Boeing 737990ER · Communications SystemSDR ASAA2016052016802Warning Light · false activationRT PACK CAME ON DURING DESCENT FOLLOWED QRH AND IT REMAINED ILLUMINATED. TURN OFF DURING TAXI TO THE GATE. ACFT GROUNDED. ACCOMPLISHED PACK TEMP CONTROL BITE PROCEDURE ON NR 2 CONTROLLER, NO FAULTS NOTED, SYS PASSED. PERFORMED RAM AIR ACTUATOR TEST, NO FAULTMay 20, 2016 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2016050416663Pressure Switch · failedAPU ON LINE, SUPPLYING POWER, APU DROPPED OFF LINE NO ELECTRICAL POWER, FAULT LIGHT ILLUMINATED. ACFT GROUNDED. INTERROGATED FMC AND FOUND APU FAULT CODE 49-94299 STARTER GENERATOR OIL FILTER CLOGGED". ACFT CHECKED AND RELEASED IAW MEL 49-1B, APU INOPERATIVMay 4, 2016 · N431AS · Boeing 737990ER · APU Oil SystemSDR ASAA2016042516531Fmc · malfunctionedCAPTAIN FMC FAILURE VTK AND MAP INDICATION BOTH FMC BLANK IN CDU. WITHIN 30 SECONDS FMC RESET AND WORKED NORMALLY DURATION OF FLIGHT. ACFT GROUNDED. ACCOMPLISHED FMC BITE PROCEDURE IAW AMM TASK 34-61, TASK 801. NO FAULTS FOUND. GROUND CHECKS GOOD.Apr 25, 2016 · N431AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2016040616266Servo · inoperativeAUTOTHROTTLES INOPERATIVE. ACFT GROUNDED. ASM 2 FAULT IN FLT FAULT REVIEW. R & R NR 2 AUTOTHROTTLE SERVO MOTOR IAW AMM 22-31-91. INSTALLATION TEST NORMAL.Apr 6, 2016 · N431AS · Boeing 737990ER · Auto Throttle SystemSDR ASAA2016032316066Warning Light · illuminatedELECTRIC LIGHT ON. ACFT GROUNDED. ACCOMPLISHED FIM 24-31, TASK 801, SPCU FAULT LOGGED. CLEARED AND RESET. BITE TEST OK REF FIM 24-34, TASK 802.Mar 23, 2016 · N431AS · Boeing 737990ER · DC Generating SystemSDR ASAA2016032116045Control Valve · malfunctionedRIGHT PACK LIGHT ILLUMINATED ON RECALL. LIGHT EXTINGUISHED WHEN MASTER CAUTION RESET. ACFT GROUNDED. R & R RT FLOW CONTROL AND SHUTOFF VALVE IAW AMM 21-51-01, OPS TEST GOOD, RT PACK LIGHT STAYS OFF WHEN RECALL PUSHED. NO OTHER DEFECTS NOTED.Mar 21, 2016 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2016032116047Autothrottle Sys · malfunctionedAUTOTHROTTLE DISENGAGED IN FLIGHT. C/B TRIPPED. ACFT GROUNDED. RESET C/B REF AMM 20-60-01. ACCOMPLISHED A/T SYS TEST IAW AMM TASK 22-31-00 AND ALL TEST OPS CHECK GOOD. DFCS LRU TEST FOR DFCS/AT OPS CHECK GOOD, REF AMM 22-11-00. HGS SENSOR TEST FOR FCC/A/T Mar 21, 2016 · N431AS · Boeing 737990ER · Auto Throttle SystemSDR ASAA2016031415993Sensor · failedFOLLOW-UP TO HISTORY OF RT RAM AIR FULL OPEN LIGHT REMAINING ON DURING FLIGHT. ACFT GROUNDED. ACCOMPLISHED STEPS 6 AND 7 IAW FIM 21-51, TASK 803 & RT RAM AIR SENSOR T482 REPLACED IAW AMM 21-51-50, ALL OPS NORMAL. NO DEFECTS OR FAULTS FOUND. AIR/GROUND OVERRMar 14, 2016 · N431AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2016031315888Actuator · failedBLUE RAM DOOR FULL OPEN LIGHT WAS ILLUMINATED FOR THE ENTIRE FLIGHT. ACFT GROUNDED. R & R THE RT RAM AIR EXHAUST ACTUATOR, IAW AMM 21-51-27/401. OPS AND BITE CHECKED GOOD.Mar 13, 2016 · N431AS · Boeing 737990ER · Cabin Cooling System
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