N483AS

Service difficulty reports · 179

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 = 'N483AS' 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 ASAA2019031028556Warning System · false activationWINDOW LEFT SIDE OVERHEAT AT 11,700 MSL OAT +6 C. GROUNDED - YES. OPS CHECKED WINDOW HEAT SYSTEM REF AMM 30-41-00-420-801 GROUND VERIFICATION CHECKS NORMAL. A/C OK FOR CONTINUED SERVICE.Mar 10, 2019 · N483AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2019030628504Warning System · false activation2 HRS INTO FLIGHT CAPT OUTBD DISPLAY "CWS R" WITH REVENT TO "MCP SPD" AND "ALT HOLD." CAPT INBD DU "VTK " THEN FMC GO TO "MENU" PAGE - BOTH FMC'S THEN TRACK DISPLAY DISAPPEARS ON CAPT THEN F/O SIDE QRH FMC FAIL LEADS TO "FMC BOTH ON 2" SWITCHED BACK TO NORMAL Mar 6, 2019 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2019030428487Unknown · hazeON CLIMB OUT @ 4000' FA'S CALLED WITH AN EXTREMELY LOUD SQUEAL FROM R1 DOOR. LEVELED OFF AT 9000', THEN THE FA CALLED SAYING THEY SAW A HAZE IN THE CABIN. GROUNDED - YES. DIVERSION TIME 12 MINUTES - FOUND WATER BOTTLE CAP ON R-1 THRESHOLD - SUSPECT CAUSE OF NOMar 4, 2019 · N483AS · Boeing 737990ER · Air Distribution SystemSDR ASAA2019022828393Control Valve · failedRIGHT PACK LIGHT ILLUMINATES ON RECALL WILL RESET. GROUNDED - YES. REMOVED AND REPLACED R/H TCV REF AMM 21-51-10 OPS TEST AND LEAK CHECK GOOD.Feb 28, 2019 · N483AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2019022728396Sensor · faulty5 HRS. INTO FLT DURING CRZ LT SIDE WINDOW HEAT OVERHEATED. QRH ACCOMPLISHED. SYS RESET NORMALLY. 41 MIN. LATER DURING DESCENT OVERHEAT CONDITION RE-OCCURRED. GROUNDED - YES. PERFORMED WHCU BITE PER FIM 30-41 TASK 801. LAST 4 FLIGHTS LEGS FAULTED WINDOW SENSOR.Feb 27, 2019 · N483AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2019022728390Warning System · false activationRT PACK TRIP ON MASTER CAUTION RECALL. PACK LIGHT EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. #2 ZTC LOGGED TCV FAULT - SYS BITE TESTS GOOD. FAULT RESET.Feb 27, 2019 · N483AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2019022768370Control Unit · failedLEFT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED 20 MINUTES INTO FLIGHT CYCLED SWITCH OFF FOR 5 MINUTES. OVERHEAT LIGHT REILLUMINATED AFTER TURNING SWITCH BACK ON. GROUNDED - YES. DUE TO HISTORY AND NO FAULT FOUND, REPLACED WINDOW HEAT UNIT PER B737-900 AMM 30-41-1Feb 26, 2019 · N483AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2019022758371Warning Message · false activationLEFT SIDE WINDOW "OVERHEAT" ILLUMINATED ON APPROACH. RESET VIA QRH AND WINDOW OVERHEAT ILLUMINATED AGAIN. GROUNDED - YES. PERFORMED MULTIPLE GOOD OPS TESTS OF WINDOW HEAT ON L/H SIDE WINDOW PER B737-900 AMM 30-41-00-710-801. PERFORMED GOOD RESISTANCE CHECK OF Feb 25, 2019 · N483AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2019012627938Warning System · false activationAFTER BOTH ENGINES START ON PUSHBACK, PSEU LIGHT ILLUMINATED. FOLLOWED QRH PROCEDURES AND PSEU LIGHT DID NOT EXTINGUISH WITH MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED PSEU BITE IDENTIFIED NON DISPATCHABLE FAULTS 31-52108 AND 31-52109. CYCLED A/C POWERJan 26, 2019 · N483AS · Boeing 737990ER · DC Generating SystemSDR ASAA2019010727691Keyboard · wornPILOT 6L AND F/O 6R MCDU BUTTONS WORN. GROUNDED - YES. ACCOMPLISHED TEMPORARY REPAIR PER ASA EA 900ER-34EA-21138. REMOVED LEFT SIDE FMC CDU KEYPAD AND INSTALLED NEW KEY PAD REF AMM 34-61-01-000-801. PERFORMED OPS TEST PER SAME. SYS CKS NML. PLT REMAINS OPEN DUJan 7, 2019 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2018100226357Warning System · false activationPRESSURIZATION "AUTO FAIL" ILLUMINATED AFTER LANDING. GROUNDED - YES. RESET AUTO FAIL REF FIM TASK 21-31-827 & BITE CK OF NR 1 & NR 2 DCPC OK REF. FIM TASK 21-31 TSK 801. OPS CK OK.Oct 2, 2018 · N483AS · Boeing 737990ER · Cabin Pressure Control SystemSDR ASAA2018100126332Filter Element · defectiveDURING MAINTENANCE, FOUND OIL FILTER INDICATOR RED BUTTON SHOWING. GROUNDED - YES. ACCOMPLISHED OIL FILTER INDICATOR SERVICING REF AMM 49-91-13 PER T/C N8349002 REMOVED AND REPLACED LUBE FILTER AND OIL INDICATOR REF AMM 49-91-13.Oct 1, 2018 · N483AS · Boeing 737990ER · APU Oil SystemSDR ASAA2018091726144Satcom · lockedSATCOM LOCK-UP. GROUNDED - YES. PERFORMED RESET PROCEDURE PER QRH. SAT PROMPT DISPLAYED ON MCDU MENU.Sep 15, 2018 · N483AS · Boeing 737990ER · HF Communications SystemSDR ASAA2018081312744Wire Harness · wornWHILE PERFORMING A NR 1 ENGINE HARNESS INSPECTION IAW T/C N8420000, FOUND MW0326 FIRE DETECTION HARNESS, LT SIDE CORE SECTION, TO BE WORN BEYOND LIMITS. ACFT GROUNDED. REPLACED THE MW0326 HARNESS IAW AMM 26-11-02/401. OPS NORMAL. GROUND VERIFICATION WAS GOOAug 11, 2018 · N483AS · Boeing 737990ER · Fire Protection System WiringSDR ASAA2018080635671Autothrottle Sys · malfunctionedDURING TAKEOFF ROLL, WITH AUTOTHROTTLES ARMED, WHEN TOGA WAS PRESSED TWICE THE THROTTLES DID NOT DRIVE TO THE TAKEOFF THRUST SETTING. AUTO THROTTLES OPERATED NORMALLY DURING CLIMB. ACFT GROUNDED. PERFORMED FIM 22-31 TASK 801, A/T BITE PROCEDURE. CURRENT STAug 3, 2018 · N483AS · Boeing 737990ER · Auto Throttle SystemSDR ASAA2018071725459Connector · dirtyAFTER STARTING NR 1 ENGINE, THE START VALVE OPEN LIGHT REMAINED ILLUMINATED AND STARTED FLASHING. RAN THE QRH PROCEDURE AND SHUT DOWN ENGINE. START VALVE OPEN LIGHT REMAINED ILLUMINATED AFTER SHUTDOWN. GROUNDED - YES. REMOVED CLEANED AND RESEATED CONNECTOR DP1Jul 17, 2018 · N483AS · Boeing 737990ER · Engine Starting System WiringSDR ASAA2018060044891Satcom · malfunctionedSATCOM LOCKED UP. ACFT GROUNDED. ACCOMPLISHED A SATCOM LOCKUP RESET PROCEDURE IN QRH. SATCOM HAD NORMAL OPERATION RESTORED.Jun 1, 2018 · N483AS · Boeing 737990ER · Communications SystemSDR ASAA201805144592Fmc · malfunctionedCAPTAIN`S FMC FAILED, VTK MULTIPLE TIMES DURING FLIGHT, MAP FLAG DID NOT ILLUMINATE, BUT THE CAPTAIN`S MAP DISAPPEARED. ACFT GROUNDED. PERFORMED FMCS, OPS TESTED NORMAL & NO FAULTS NOTED, IAW AMM 34-61-00.May 11, 2018 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2018032524023Control Module · erraticALL TEMP INDICATIONS FOR SUPPLY DUCT AND PASSENGER CABIN ARE ERRATIC AND UNRELIABLE. TEMP SELECTORS ARE IN THEIR NORMAL POSITION AND FLIGHT ATTENDANTS REPORT CABIN TEMP IS NORMAL AS IS. FLIGHT DECK TEMP INDICATION WILL OSCILLATE OCCASIONALLY 20 DEG OR MORE. WIMar 25, 2018 · N483AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2018030723781Warning Light · false activationELEC LIGHT ILLUMINATED. ACFT GROUNDED. ELEC POWER PANEL SHOW SPCU FAULT. CYCLED SPCU CIRCUIT BREAKERS, AND FAULT CLEARED. PERFORMED AN OPS TEST OF THE SPCU IAW AMM 24-34-00. NO FAULT NOTED. HAS NO OTHER RECENT HISTORY.Mar 7, 2018 · N483AS · Boeing 737990ER · Electrical Power SystemSDR ASAA2018030123714Warning System · false activationCONT CAB ZONE TEMP LIGHT ILLUMINATED WITH RECALL. CANNOT RESET. GROUNDED - YES. BITE SHOWS FLT DECK TRIM VALVE FAULT LAST LEG. ACCOMPLISHED FIM 21-62 TASK 832. PACK TEMP CONTROL BITE TEST GOOD REF FIM 21-62 TASK 801. FAULT CLEARS. OPS NORMAL.Feb 28, 2018 · N483AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2017122422996Screw · looseNR 2 ENGINE FAN DUCT PANEL, LPTACCV SCOOP, LOWER, MIDDLE FASTENER LOOSE. ACFT GROUNDED. TIGHTENED FAN DUCT PANEL SCREW IAW AMM 72-23-07.Dec 24, 2017 · N483AS · Boeing 737990ER · Nacelle/Pylon StructureSDR ASAA2017122122983Control Panel · faultedA AUTOPILOT DISCONNECTED IN CRUISE AT FL360. ENGAGED FINE AFTER. ACFT GROUNDED. LAST THREE LEG FAULTS ON FCC A, MCP DATA INVALID. REMOVED & REPLACED MCP IAW AMM 22-11-34. OPS NORMAL IAW SAME. ALL LLM MTX TEST FOR MCP GOOD. .Dec 21, 2017 · N483AS · Boeing 737990ER · Autopilot SystemSDR ASAA2017121622934Flight Dir · malfunctionedCAPTAIN`S FLIGHT DIRECTOR FLAG DISPLAYED. ACFT GROUNDED. CYCLED SHIPS POWER, COMPLETE SHUT DOWN AND RESTORED POWER, THE FLIGHT DIRECTOR FLAG DISAPPEARED. NO HISTORY UNDER 34, 22.Dec 16, 2017 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2017121022832Bulb · inoperativeEMERGENCY LIGHT EXIT LOCATOR SIGN AT RIGHT AFT OVERWING EXIT HAS SEVERAL LAMPS INOP. GROUNDED - YES. RELAMPED AND TESTED PER B737-900 AMM 33-51-01-960-801 - OPS NORMAL.Dec 10, 2017 · N483AS · Boeing 737990ER · Emergency LightingSDR ASAA2017111422561Fmc · failedNR 1 FMC FAILED. ACFT GROUNDED. VERIFIED BOTH FMCS FAILED DURING LOADING OF FLIGHT PLAN. RESET FMC NR 1 AND 2 CIRCUIT BREAKERS AND PERFORMED AN OPS CHECK. OPS CHECKED GOOD IAW FIM 34-61, TASK 804.Nov 14, 2017 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2017091021898Control Panel · failedEN ROUTE THE B AUTOPILOT DISENGAGED IN LEVEL CRUISE FLIGHT. AIRCRAFT IS IN TRIM WITH NO PRESSURE BEING APPLIED TO THE CONTROLS. REENGAGED AND DISENGAGED ONE HOUR LATER WITH THE SAME PARAMETERS. ACFT GROUNDED. REPLACED MODE CONTROL PANEL IAW AMM 22-11-34-000Sep 10, 2017 · N483AS · Boeing 737990ER · Autopilot SystemSDR ASAA2017090121794Battery · dischargedFOUND EXTERNAL POWER HAD DROPPED OFF AND BOTH BATTERIES DISCHARGED. ACFT GROUNDED. REMOVED AND REPLACED MAIN AND AUX BATTERIES IAW AMM 24-31-11. BOTH TESTED GOOD.Sep 1, 2017 · N483AS · Boeing 737990ER · Battery/Charger SystemSDR ASAA2017090121792Gcu · faultedWHEN SWITCHING FROM GROUND POWER TO APU POWER, THE RIGHT SOURCE OFF LIGHT ILLUMINATED. ACFT GROUNDED. WHILE EVALUATING VERIFIED FAULT. REPLACED BPCU & APU GCU WITH SERVICEABLE PARTS. ACCOMPLISHED INSTALLATION TEST OF BOTH THE BPCU & APU GCU. BOTH PASSED. ACCSep 1, 2017 · N483AS · Boeing 737990ER · AC Generator-AlternatorSDR ASAA2017083121793Warning Light · false activationWHEN SWITCHING FROM GROUND POWER TO APU POWER, THE RIGHT SOURCE OFF LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED A POWER SWITCH FROM GROUND POWER TO APU POWER SEVERAL TIMES WITH NO DEFAULTS NOTED. GOOD FOR RETURN TO SERVICE AT THIS TIME.Aug 31, 2017 · N483AS · Boeing 737990ER · Electrical Power SystemSDR ASAA2017081421637Warning Light · false activationRIGHT PACK LIGHT ILLUMINATED ON RECALL. EXTINGUISHED WITH MASTER CAUTION DEPRESSED. ACFT GROUNDED. PERFORMED A BITE TEST OF THE NR 2 ZONE TEMP CONTROLLER IAW AMM 21-61-00, NO FAULTS NOTED THIS TIME.Aug 14, 2017 · N483AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2017062521170Autopilot Sys · intermittentAUTOPILOT B DISCONNECTED AT 320 FT, IN SMOOTH AIR, NO TURBULENCE. ACFT GROUNDED. FAULT HISTORY SHOWED MCP NAV DATA INVALID MESSAGE 22-11607. ACCOMPLISHED FIM 22-11 TASK 817. NO FAULTS FOUND. INTERMITTENT DISCREPANCY. CURRENT STATUS PASSED. ACCOMPLISHED LRJun 25, 2017 · N483AS · Boeing 737990ER · Autopilot SystemSDR ASAA2017052720883Warning Message · false activationAUTOPILOT B DISCONNECTED 3 TIMES AT CRUISE. ABLE TO RECONNECT AFTER EACH EVENT. FAULT CODE 221 090 00. ACFT GROUNDED. PERFORMED DFCS BITE IAW FIM 22-11 TASK 801. NO FAULTS. FLT LEG 1 HAS FAULT - MCP DATA INV - MSG 22-11607. PERFORMED FIM 22-11 TASK 817. NMay 27, 2017 · N483AS · Boeing 737990ER · Autopilot SystemSDR ASAA2017062120852Compensator · failedJUST PRIOR TO DESCENT, THE CENTER TANK QUANTITY AND TOTAL FUEL QUANTITY WENT BLANK AND STAYED BLANK. ACFT GROUNDED. MAINTENANCE AND TROUBLESHOOTING PERFORMED ON TSR818515. REMOVED AND REPLACED ALL CENTER FUEL TANK UNITS AND COMPENSATORS IAW AMM 28-41-21-00May 22, 2017 · N483AS · Boeing 737990ER · Fuel Indicating SystemSDR ASAA2017052220973Compensator · intermittentCENTER FUEL TANK UNITS HISTORY OF BLANKING DISPLAY. ACFT GROUNDED. REMOVED AND REPLACED ALL CENTER FUEL TANK UNITS AND COMPENSATOR IAW IAW AMM 28-41-21-000-801, AND 28-41-21-400-801. PERFORMED FUEL QUANTITY INDICATING SYSTEM OPS TEST IAW IAW AMM 28-41-00-710May 22, 2017 · N483AS · Boeing 737990ER · Fuel Indicating SystemSDR ASAA2017052220851Display · inoperativeAPPROXIMATELY 3 HOURS INTO FLIGHT, THE CENTER TANK QUANTITY AND TOTAL FUEL QUANTITY WENT BLANK AND STAYED BLANK. ACFT GROUNDED. QUANTITY RETURNED AFTER POWER TRANSFER FROM ENGINE TO APU DURING ENGINE SHUTDOWN. COMPLIED WITH FQIS OPS TEST IAW AMM 28-41-00-May 22, 2017 · N483AS · Boeing 737990ER · Fuel Indicating SystemSDR ASAA2017051520788Indication Sys · malfunctionedDURING CRUISE FLIGHT, FUEL QUANTITY CENTER READING & TOTAL QUANTITY BLANK, FMC MESSAGE & VERIFY GW & FUEL QTY. ACFT GROUNDED. ACCOMPLISHED FQIS BITE, CURRENT STATUS PASSED MESSAGE 28-41301 LOGGED ON PREVIOUS FLIGHT. ACCOMPLISHED FIM 28-41 TASK 818, GROUND TEMay 15, 2017 · N483AS · Boeing 737990ER · Fuel Indicating SystemSDR ASAA2017051520787Autopilot Sys · malfunctionedENROUTE, AUTOPILOT A DISENGAGED TWICE AT FL340, IN SMOOTH AIR, NO CONTROL FORCE NOTED. AUTOPILOT RE-ENGAGED WITH NO DIFFICULTY EACH TIME. ACFT GROUNDED. DFCS BITE MESSAGE 22-11607 FOR PREVIOUS FLIGHT ON CHANNEL A ONLY. ACCOMPLISHED FIM 22-11 TASK 817. MCP May 15, 2017 · N483AS · Boeing 737990ER · Autopilot SystemSDR ASAA2017051020715Fmc · malfunctionedLEFT FMC SHOWS VTK FLAG INTERMITTENTLY ON GROUND. ACFT GROUNDED. ACCOMPLISHED LEFT FLIGHT MANAGEMENT COMPUTER SYSTEM BITE PROCEDURE TASK 34-61 TASK 801. NO FAULTS LOGGED ABOUT FMC COMPUTER FAIL IN 10 LEGS. DUE TO INTERMITTENT FAULTS. PERFORMED RELOAD OF ALMay 10, 2017 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2017042920567Fmc · failedLEFT FMC FAILED 4 TIMES IN A 5 MIN PERIOD ( VTK AND LOSS OF MAP) AFTER 5 MINUTES IT RETURNED TO NORMAL OPS. FL 380, RIGHT AT TOUCH, LEFT FMC FAILED AGAIN, AND RETURNED AFTER ABOUT 1 MINUTE. GROUNDED - YES. REMOVED AND REPLACED LEFT FMC COMPUTER. SOFTWARE LOAD Apr 29, 2017 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2017042620540Indicator · failedCENTER FUEL QUANTITY INTERMITTENTLY INOPERATIVE. ACFT GROUNDED. REMOVED AND REPLACED CENTER FUEL QUANTITY INDICATOR IAW AMM 28-41-61. CENTER TANK BUSSING PLUG INSTALLED IAW AMM 28-41-41. BUSSING PLUG OPS NORMAL AND NO FAULTS IAW AMM 28-61-41 AND 28-41-00-71Apr 26, 2017 · N483AS · Boeing 737990ER · Fuel Quantity IndicatorSDR ASAA2017040420366Fmc · malfunctionedRIGHT FMC FAILED IN FLIGHT. WOULD NOT RESET. ACFT GROUNDED. ACCOMPLISHED OPERATIONAL TEST OF THE RT FLIGHT MANAGEMENT COMPUTER SYSTEM IAW AMM 34-61-00-710-801. OPS TESTED NORMAL.Apr 4, 2017 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2017031920201Warning Light · illuminatedON GROUND, ELEC LIGHT ILLUMINATED, WOULD NOT RESET WITH POWER TRANSFER. ACFT GROUNDED. PERFORMED ELEC LIGHT BITE PROCEDURE, IAW FIM 24-31 TASK 801. LOGGED SPCU INOP MESSAGE. PERFORMED FIM 24-34 TASK 802 & FAULT CLEARED. GROUND VERIFICATION CHECK PASSED.Mar 19, 2017 · N483AS · Boeing 737990ER · DC Generating SystemSDR ASAA2017031920200Warning Light · illuminatedELEC LIGHT ON MONITORING PANEL AFTER LANDING. ACFT GROUNDED. ELEC LIGHT MESSAGE BITE PROCEDURE DONE, IAW FIM 24-31 TASK 801, FAULT CLEARED. INTERMITTENT FAULT IAW FIM 24-34 TASK 802. REPAIR CONFIRMATION DONE.Mar 19, 2017 · N483AS · Boeing 737990ER · DC Generating SystemSDR ASAA2017030620035Circuit Breaker · trippedATTEMPTED TO START THE NR 2 ENGINE, START VALVE OPENED BUT NO FUEL FLOW OCCURED AND NO LIGHT OFF. BOTH ENGINE VALVE AND SPAR LIGHTS WERE DARK. FOUND THE NR 2 ENGINE LEFT IGNITON CIRCUIT BREAKER TRIPPED. ACFT GROUNDED. RESET THE CIRCUIT BREAKER IAW AMM 20-60Mar 6, 2017 · N483AS · Boeing 737990ER · Ignition System WiringSDR ASAA2017021419818Unknown · malfunctionedINTERMITTENT DUAL FMC FAILURE. GROUNDED - YES. ACCOMPLISHED FIM 34-61 TASK 837 & 34-61 TASK 801. FOUND INTERMITTENT LEFT & RIGHT PGM FAULTS. RESET BOTH LT & RT FMC COMPUTERS. FAULTS RESET. FMC'S OPS CK NORMAL IAW AMM 34-61-00. NO HISTORY 30 DAYS.Feb 14, 2017 · N483AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2017012119487Unknown · malfunctionedAPU INOP. GROUNDED - YES. MULTIPLE STARTS, SUCCESSFUL. APPLIED APU BLEED AIR AND OTHER LOADS, SUCCESSFUL. NO HISTORY. OK FOR SERVICE.Jan 21, 2017 · N483AS · Boeing 737990ER · APU Start/Ignition SystemSDR ASAA2017011419384Shim · wornPER TASK CARD 78472002, REPLACEMENT OF FAN BLADE SHIMS (24) TWENTY-FOUR REQUIRED. GROUNDED - YES. REMOVED AND REPLACED (24)TWENTY FOUR SHIMS PER MAINTENANCE TASK CARD 78472002 STEP 23, WITH P/N 340-252-307-0.Jan 14, 2017 · N483AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2017010919290Shim · wornFOUND 24 FAN BLADE SHIMS WORN ON NR 1 ENGINE. ACFT GROUNDED. REMOVED AND REPLACED THE SHIMS IAW T/C 78472002.Jan 9, 2017 · N483AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2016112818869Control Valve · failedON RECALL ON THE GROUND RIGHT PACK LIGHT ILLUMINATES, IT IS RESETTABLE. ACFT GROUNDED. IAW TSR818142 VERIFIED NR 2 TCV FAULT ON RIGHT PACK/ZONE TEMP CONTROLLER IAW AMM 21-61-00-700-806-002. REPLACED THE RIGHT TEMPERATURE CONTROL VALVE IAW AMM 21-51-10/401. THNov 28, 2016 · N483AS · Boeing 737990ER · Cabin Cooling System
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