N419AS

Service difficulty reports · 294

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 = 'N419AS' 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 ASAA2021080435664Wire Harness · brokenON PREFLIGHT ENG #1 OVERHEAT TEST FAILED, B LOOP A LOOP WORKS CURRENTLY. GROUNDED - YES. REPLACED #1 ENG CORE HARNESS P/N CA244-02 REF B737-900 AMM 26-11-02-401 OPS TEST PASSED.Aug 4, 2021 · N419AS · Boeing 737990ER · Overheat DetectionSDR ASAA2021052934977Starter · leakingEVIDENCE OF OIL LEAK # 2 ENGIE. GROUNDED - YES. ACCOMPLISHED ENGINE VENTS AND DRAINS INSPECTION ON #2 ENG, REF B737-900 AMM 71-71-00-200-801-F00, FOUND OIL LEAKING FROM #2 ENGINE STARTER AIR VENT. REMOVED AND REPLACED #2 ENG STARTER REF AMM 80-11-01-000-801-F0May 29, 2021 · N419AS · Boeing 737990ER · Engine CrankingSDR ASAA2021050734770Solenoid Valve · loose#2 EDP DEPRESSURIZATION SOLENOID VALVE IS LOOSE. GROUNDED - YES. TIGHTENED AND SAFTIED #2 EDP DEP SOL VALVE REF B737-900 AMM 29-11-11. PERFORMED OPS CHECK OF #2 EDP SOL DEP VALVE REF AMM 29-11-11-710-801. OPS CHECK GOOD.May 7, 2021 · N419AS · Boeing 737990ER · Hydraulic Pump (Electric/Engine), MainSDR ASAA2021050134731Eec · faultedWHILE PERFORMING TASK CARD SBCFM56-7B-73-0233-1, NEW SOFTWARE WAS UNABLE TO LOAD USING MULTIPLE TECHSAT LOADERS ON #2 ENGINE. GROUNDED - YES. REMOVED AND REPLACED EEC ON #2 ENGINE REF B737-900 AMM 73-21-60. CONFIRMED NEWEST SOFTWARE ALREADY LOADED ON NEW EEC, May 1, 2021 · N419AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2021050134730Spacer · defectiveREF TC 78472010, SPACERS ON #1 ENGINE BAD SPACERS #9 AND #10. GROUNDED - YES. REMOVED AND REPLACED #9 AND #10 SPACERS FROM #1 ENGINE REF TC 78472010.May 1, 2021 · N419AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021050134723Fmc · malfunctionedRIGHT FMC CDU DISPLAY COMPLETELY BLANKED TWICE FOR ABOUT 10 SECONDS EACH TIME AND THEN RETURNED TO NORMAL. FMC CDU FAILS FLAGS- "CALL FAIL", "MSG OFFSET" LIGHTS ILLUMINATED WHEN DISPLAY BLANKED. GROUNDED - YES. FOUND CDU DISPLAY WORKING. VERIFIED 115 VAC BETWEMay 1, 2021 · N419AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021050134717Transceiver · failedHF #1 FAIL MESSAGE. GROUNDED - YES. CONFIRMED. #1 HF TRANSCEIVER WILL NOT BITE TEST. RMVD & RPLCD #1 HF TRANCEIVER REF B737-900 AMM 23-11-21. OPS NML PER SAME. ETOPS GND VERIFICATION TEST SUCCESSFUL.May 1, 2021 · N419AS · Boeing 737990ER · HF Communications SystemSDR ASAA2021041834595Autothrottle Sys · malfunctionedAUTOTHROTTLES WILL NOT ENGAGE. GROUNDED - YES. MX MSG 22-31687 LOGGED ON FLT LEGS 10 AND 13 FOR ASM 1. ACCOMPLISHED B737-900 FIM 22-32 TASK 819 INITIAL EVALUATION. SERVO MOTOR TEST PASSES. TORQUE TEST PASSES REF B737-900 AMM 22-31-00-710-802.Apr 18, 2021 · N419AS · Boeing 737990ER · Auto Throttle SystemSDR ASAA2021032634431Bolt · brokenWHILE PERFORMED LEAK CHECK FOR IDG OIL FILTERS FOUND STARTER TOP BOLT BROKEN. GROUNDED - YES. REMOVED AND REPLACED STARTER PER B737-900 AMM 80-11-01. LEAK CHECK IS GOOD. GROUND VERIFICATION ACCOMPLISHED. GROUND VERIFICATION IS GOOD AT THIS THIS TIME.Mar 26, 2021 · N419AS · Boeing 737990ER · Engine StarterSDR ASAA2021030934269Idg · inoperativeCRUISE FL 380, MASTER CAUTION ELEC, SOURCE LT + DRIVE LT ENG #1 ILLUMINATED. QRH DISCONNECTED IDG 1 AND COVERED BUS W/ APU. GROUNDED - YES. REPLACED IDG AIR/OIL COOLER REF B737-900 AMM 24-11-21-000-801. REMOVED AND REPLACED #1 ENG IDG REF AMM 24-11-11. PERFORMMar 9, 2021 · N419AS · Boeing 737990ER · AC Generator-AlternatorSDR ASAA2021021634118Fmc · inoperativeLEFT FMC INOP. GROUNDED - YES. REF B737-900 FIM 34-61 TASK 807. FMCS BITE TESTED GOOD W/O FAULTS. NO INFLIGHT FAULTS LOGGED. NO DEFECTS HISTORY FOR LAST 30 DAYS.Feb 16, 2021 · N419AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021020233998Transceiver · inoperativeHF 2 RADIO RECEIVES OKAY, SELCAL HF2 OKAY - BUT NO TRANSMIT OFF EITHER CA OR FO ACP OF HG 2. GROUNDED - YES. REMOVED AND REPLACED #2 HF TRANSCEIVER PER B737-900 AMM 23-11-21. ETOPS GROUND VERIFICATION SUCCESSFUL.Feb 2, 2021 · N419AS · Boeing 737990ER · HF Communications SystemSDR ASAA2021013033982Hf Comm · failedHF 1 HAS FAIL IN BOTH ACTIVE AND STANDBY BUT WHEN COM TRANSFER SWITCH IS PUSHED BOTH FREQUENCY'S RETURN AND VOICE AS WELL AS SIDE TONE SEEM TO WORK THEN FAIL MESSAGES RETURN. GROUNDED - YES. COULD NOT DUPLICATE, FAIL MESSAGE NOT PRESENT, ACCOMP B737-900 FIM 22Jan 30, 2021 · N419AS · Boeing 737990ER · HF Communications SystemSDR ASAA2021010133808Modulating Valve · faultyAFTER PUSHBACK ZONE TEMP ILLUMINATED ON CONT CAB EXTINGUISH DURING RESET. GROUNDED-YES. PERFORMED PACK TEMP CONTROLLER BITE, REF B737-900 FIM 21-62 TASK 801 FOUND NR 2 PTC FAULT "FLT DECK TRIM VALVE". REMOVED AND REPLACED THE CONTROL CABIN TRIM AIR VALVE, RJan 1, 2021 · N419AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2020122733763Spacer · debondedWHILE ACCOMPLISHING T/C 78472010 NR 2 ENGINE 15 EA FAN BLADE SPACERS HAVE DISBONDED ELASTOMERS MATERAL. GROUNDED-YES. REMOVED AND REPLACED ON NR 2 ENGINE 15 EA FAN BLADE SPACERS, REF T/C 78472010.Dec 27, 2020 · N419AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2020122533745Warning Light · false activationZONE TEMP ON CAB ILLUMINATES ON RECALL. GROUNDED-YES. VERIFIED LIGHT ON RECALL. PERFORMED B737-900 FIM 21-62 TASK 801. NO FAULTS ON PZTC 1. PZTC 2 FAULTED FLIGHT DECK TRIM VALVE ON BIT AND PREV FLIGHT, FAULT RESET ON VERIFY. PERFORMED TEST AGAIN, RIGHT PDec 25, 2020 · N419AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2020110833526Fmc · failedRIGHT FMC FAILURE, RAN QRH UNABLE TO RESTORE RIGHT FMC. GROUNDED-YES. REMOVED AND REPLACED NR 2 FMC COMPUTER, REF B737-900 AMM 34-61-02-000-801. SOFTWARE CROSS LOAD FROM LT FMC GOOD. OPERATIONS TEST GOOD, REF AMM 34-61-00.Nov 8, 2020 · N419AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2020110533512Fmc · intermittentRT FMC FAILURE, RAN QRH PROCEDURE, DID NOT RESTORE. GROUNDED-YES. RIGHT FMC CURRENTLY WORKING, INFLIGHT FAULTS CODE 300 SHOWS RAM, MICRO CODE, MICRO CTL FAULTS ON FLTS 3-6, REF B737-900 AMM 34-61-02. REMOVED/REPLACED RT FMC COMPUTER. SOFTWARE CROSS LOAD GONov 5, 2020 · N419AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2020092833230Bleed Valve · inoperativeON TAXI OUT NOTICED NR 2 ENG BLEED VALVE DID NOT OPEN. GROUNDED-YES. REMOVED & REPLACED NR 2 ENG PRSOV, REF B737-900 AMM 36-11-04-000-801 & 36-11-04-400-801 LEAK CHECKS GOOD. RAN NR 2 ENG & SUPPLIED AIR TO SYSTEMS. CHECKS GOOD.Sep 28, 2020 · N419AS · Boeing 737990ER · Compressor Bleed ValveSDR ASAA2020091933214Engine · faultedREF T/C 78273000 NR 2 ENGINE SHOW SHORT TIME FAULT 75-30802 "T25 SIGNAL DISAGREE". GROUNDED-YES. FAULT NOT CURRENTLY ACTIVE. FAULT ONLY PRESENT IN HISTORY ON LEG 10. AIRCRAFT HAS FLOWN 9 LEGS SINCE T25 REPLACEMENT. SHORT TIME FAULT REPORTED 2 DAYS AFTER TSep 19, 2020 · N419AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2020091743188Sensor · inoperativeNR 2 ENG SHOWS LONG TIME FAULT 75-10822 THE T25 SIGNAL IS OUT OF RANGE. GROUNDED-YES. PERFORMED B737-900 FIM 75-33 TASK 801 AND FOUND T25 SENSOR BAD. REMOVED AND REPLACED T25 SENSOR ON NR 2 ENGINE, PER B737-900 AMM 73-21-02. PERFORMED GOOD OPS TEST OF T25 Sep 13, 2020 · N419AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2020091703186Sensor · inoperativeNR 2 ENG SHOWS SHORT TIME FAULT 75-30802 T25 SIGNALS DISAGREE. GROUNDED-YES. PERFORMED B737-900 FIM 75-33 TASK 801 AND FOUND T25 SENSOR BAD. REMOVED AND REPLACED T25 SENSOR ON NR 2 ENGINE, PER B737-900 AMM 73-21-02. PERFORMED GOOD OPS TEST OF T25 SENSOR, PSep 13, 2020 · N419AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2020082403060Control Panel · inoperativeFIRST OFFICER`S MASTER LIGHT IS INOPERABLE. ALL SYSTEMS OPERATING NORMAL. GROUNDED - YES. VERIFIED DISCREP, REF B737-900 AMM 22-11-34. REMOVED & REPLACED DFCS MCP. MCP OPS NORMAL, REF SAME AND REQD LLM LAND VERIFY TEST GOOD.Aug 20, 2020 · N419AS · Boeing 737990ER · Autopilot SystemSDR ASAA2020081073001Smoke Detector · inoperativeFWD CEU M2241 DETECTOR INOP FAILED PRESS TO TEST. GROUNDED - YES. REMOVED & REPLACED FWD CEU M2241 IAW B737-900 AMM 26-16-02 OPS CHECK NORMAL.Aug 7, 2020 · N419AS · Boeing 737990ER · Smoke DetectionSDR ASAA2020080322967Actuator · faultedLEFT PACK LIGHT ILLUMINATED ON RECALL BUT EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED CABIN TEMP BITE TEST FOUND RAM AIR ACT FAULT PREVIOUS WRITE UP SHOWS SAME FAULT. REMOVED AND REPLACED L/H RAM AIR INLET ACT REF B737-900 AMM 21-51-21 OPAug 2, 2020 · N419AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2020080322965Warning Light · false activationLH PACK LIGHT ON RECALL. LIGHT EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. LH PACK/ ZONE TEMP CTRL LOGGED "RAM AIR ACT" LAST FLIGHT. ACCOMPLISHED B737-900 FIM 21-62 TASK 837, FAULT CLEARED AND WAS AN INTERMITTENT FAULT. ETOPS GRD VERIFICATION NML.Aug 2, 2020 · N419AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2020072212922Power Supply · inoperativeEMERGENCY LIGHTS COMMON TO POWER SUPPLY M1672 WERE INOPERATIVE. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY M1672 IAW AMM 33-51-06-960-806. INSTALLATION TEST GOOD.Jul 21, 2020 · N419AS · Boeing 737990ER · Emergency LightingSDR ASAA2020021423182Unknown · unknownON A RNAV APP ANGEL 4 LNAV VNAV ENGAGED AT APPROX 13500 THE AIRCRAFT BEGAN A RAPID DESCENT NOSING OVER AND ACCELERATING TO 315. THE ALTITUDE ON THE APPROACH HAD A 12000 OR ABOVE THAT WOULD HAVE BEEN BROKEN UNLESS THE AP WASN'T DISENGAGED. GROUNDED - YES. PERFOFeb 12, 2020 · N419AS · Boeing 737990ER · Navigation SystemSDR ASAA2020012753960Autothrottle Sys · faultedA/T NOT ARMING FOR TAKEOFF. GROUNDED - YES. ACCOMPLISHED A/T BITE IAW FIM 22-31, TASK 801, LEG 3, HAD FAULT MESSAGE ASM 1 INTERNAL FAULT 22-31582 IN FAULT HISTORY, NO FAULTS IN CURRENT STATUS. PERFORMED FIM 22-31 TASK 822 INITIAL EVALUATION NO FAULTS NOTED.Jan 25, 2020 · N419AS · Boeing 737990ER · Auto Throttle SystemSDR ASAA2019121651602Selector · stuckMCP ALT SELECTOR STUCK AT 24100 FT. GROUNDED - YES. VERIFIED MCP ALTITUDE SELECTOR LOCKED UP. REPLACED MCP. MCP TEST AND LLM TESTS NORMAL REF B737-900 AMM 22-11-34 AND BITE GRP #32 AND 49.Dec 15, 2019 · N419AS · Boeing 737990ER · Autopilot SystemSDR ASAA2020012231930Valve · faulted#2 ENG BITE HAS FAULT 75-20462 THE HPTACC DEMAND AND POSITION SIGNALS DISAGREE. ECONOMIC FAULT. DEFERRED PER T/C 78273000. GROUNDED - YES. REQUIRES T515 HPTC VALVE POSITION TRANSDUCER (HPTACC). REMOVED AND REPLACED #2 ENG. HPTACC REF. B737-900 AMM BOEING 75-21Dec 13, 2019 · N419AS · Boeing 737990ER · Engine Cooling SystemSDR ASAA2019103131183Blade · delaminatedGE DIAGNOSTICS REPORTS #1 ENGINE ESN862272 EXPERIENCING AN INCREASE IN FAN VIBRATIONS, CNR ISSUED #PRI: 2 TASK CARD 78472010 ETOPS. GROUNDED - YES. ACCOMPLISHED FAN BLADE LUBE T/C 78472010 #3 SPACER WAS DIFFICULT TO REMOVE AND #1 AND #16 SPACERS HAD DELAMINATEOct 31, 2019 · N419AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2019101391185Fcu · faultedREF LP 11918694 CSF REQUIREMENTS, APU FAILED CSS. GROUNDED - YES. REPLACED APU LUBE MODULE REF B737-900 AMM 49-91-11 AND FUEL CONTROL UNIT REF AMM 49-31-11. OPS/LEAK CHECK OK.Oct 29, 2019 · N419AS · Boeing 737990ER · APU Engine Fuel and ControlSDR ASAA2019103081176Module · faultedAPU CSS FAILED FL350, FL350 AND FL310. APU FAULT LIGHT ILLUMINATED. APU OPERATES NORMALLY ON THE GROUND. GROUNDED - YES. PREFORMED APU BITE FOUND FAULT MSG 49-72104 DMM MODULE FAULT, PREFORMED APU START ON GND PER B737-900 AMM 49-11-00 APU START NORMAL, NO FAUOct 28, 2019 · N419AS · Boeing 737990ER · APU Indicating SystemSDR ASAA2019101403108Pressure Switch · faultedRIGHT ENGINE FUEL FILTER BYPASS ILLUMINATED. GROUNDED - YES. REPLACED ENG NR 2 FUEL DIFFERENTIAL PRESSURE SWITCH IAW AMM 73-34-01/401. OPS GOOD PER AMM SUBTASK 73-34-01-840-004-F00. LEAK CHECK AT IDLE POWER GOOD PER TASK 71-00-00-700-801-F00.Oct 10, 2019 · N419AS · Boeing 737990ER · Engine Fuel Indicating SystemSDR ASAA2019090430618Fmc · malfunctionedDURING CRUISE, THE CAPTAINS FMC FAILED MOVED AUTOPILOT FROM "A" SIDE TO "B" SIDE. BEFORE THE CHECKLIST WAS STARTED, THE CAPTAINS FMC RESTORED ITSELF. GROUNDED - YES. T/S PER FIM 34-61 TASK 807. LEFT FMC SHOWED A "RATE" FAULT AT 0002Z ON LAST FLIGHT. PERFORMED Sep 4, 2019 · N419AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2019081213356Control Valve · failedWHILE ACCOMPLISHING TROUBLESHOOTING FOR L/H PACK, DISCREET FOR R/H PACK SHOWED "ON" WHEN SHOULD HAVE SHOWN "OFF.". GROUNDED - YES. REMOVED & REPLACED FLOW CONTROL VALVE ON R/H PACK REF B737-900 AMM 21-51-01. OPS CHECK GOOD. ETOPS GROUND VERIFICATION PASSED.Aug 11, 2019 · N419AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2019081293354Impeller · failedPACK LIGHT LH SIDE ILLUMINATED AT GATE. COMPLIED WITH QRH PROCEDURE. LIGHT EXTINGUISHED WITH TRIP RESET. -INFO ONLY-. GROUNDED - YES. L/H PACK/ZONE TEMP CONTROLLER SHOWS NO FAULTS REF B737-900 AMM 21-51-00. FOUND ACM IMPELLER WORN WITH TIP DAMAGE AND SIGNS OF Aug 9, 2019 · N419AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2019071630088Blade · damagedREF T/C #78472010 #2 ENG FAN BLADES LUBRICATION. #5 BLADE MISSING CU-NI-IN ON CONCAVE T/E BEYOND LIMITS OF AREA X. GROUNDED - YES. REPLACED ENG #2 BLADES # 5 AND # 17 PER T/C 78472010.Jul 16, 2019 · N419AS · Boeing 737990ER · Turbine Engine Compressor SectionSDR ASAA2019071430022Warning System · false activationRIGHT PACK LIGHT ILLUMINATES DURING RECALL. EXTINGUISHES WHEN MASTER CAUTION SYSTEM IS RESET. GROUNDED - YES. PACK/ZONE TEMP CONTROLLER BITE TEST DONE REF AMM 21-51-00-700-803. NO FAULTS AND GROUND VERIFICATION SUCCESSFUL.Jul 14, 2019 · N419AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2019071029985Warning System · false activationNUMBER TWO PACK LIGHT ON. GROUNDED - YES. OPERATED BOTH PACKS, NO DEFECTS NOTED. NR 2 PACK LIGHT REMAINED OFF. COULD NOT DUPLICATE REPORTED DEFECT, IAW AMM 21-00-00. NO FAULTS NOTED ON BITE BOX IN 263 LEGS. MEL 21-22E REMOVED. OPS CHECKED GOOD.Jul 10, 2019 · N419AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2019070129890Spinner · damagedWHILE ACCOMPLISHING T/C # 78472010 FOUND #1 ENGINE SPINNER CONE DAMAGE. GROUNDED - YES. REPLACED #1 ENGINE SPINNER CONE REF. T/C # 78472010.Jul 1, 2019 · N419AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2019062329831Starter Gen · failedAPU WILL NOT START. FAULT & MAINT LIGHT. GROUNDED - YES. TROUBLE SHOOTING ON W/O: 458518 TASKCARD: N/R-00002 FOUND MAINT MSG 49-41244 GEN DIODE FAIL SHUTDOWN. ACCOMPLISHED B737-900 FIM 49-40 TASK 806. APU REQUIRES STARTER GENERATOR REPLACEMENT. REMOVED AND REJun 23, 2019 · N419AS · Boeing 737990ER · APU Start/Ignition SystemSDR ASAA2019062409799Display · malfunctionedINTERMITTANT AMBER VTK DISPLAYED ON FO'S ND DISPLAY. GROUNDED - YES. REST FMC'S, ALL INDICATIONS NORMAL. REF B737-900 AMM 34-61-00.Jun 20, 2019 · N419AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2019052529476Unknown · malfunctionedAUTOTHROTTLES WOULD NOT ARM. GROUNDED - YES. PERFORMED AUTOTHROTTLE BITE TEST. NO CURRENT FAULTS. PERFORMED AUTOTHROTTLE SERVO MOTOR TEST. NO FAULTS. ALL TESTS PASSED; INTERMITTENT FAULT. RE FIM 22-31 TASK 801 AND AMM 22-31-00.May 25, 2019 · N419AS · Boeing 737990ER · Auto Throttle SystemSDR ASAA2019043029204Boss · looseNR 2 ENGINE B6-B7 FAN FRAME SHROUD TEST BOSS IS LOOSE AT TWO O'CLOCK AFT FACING FORWARD. GROUNDED - YES. REMOVED AND REINSTALLED BOSS ASSY AT 2 O'CLOCK POSITION ON NR 2 ENG. REF SHOP MANUAL 72-23-31. NO DAMAGE NOTED ON THE FAN CASE. INSTALLED AFT ACOUSTIC PANEApr 30, 2019 · N419AS · Boeing 737990ER · Engine (Turbine/Turboprop)SDR ASAA2019042929200Warning System · false activationHF 2 FAIL/FAIL INDICATIONS ON BOTH COMM CONTROL HEADS. GROUNDED - YES. ACCOMPLISHED HF 2 BIT, PER FIM 23-11 TASK 801 AND 806 HF 2 GROUND VERIFICATION OPS NORMAL, REF AMM 23-11-21.Apr 29, 2019 · N419AS · Boeing 737990ER · HF Communications SystemSDR ASAA2019042929175Valve · leakingON START #2 ENGINE GRD CREW OBSERVED A LIQUID DRIPPING FROM THE LOWER PORTION #2 ENGINE. GROUNDED - YES. #2 ENG HPTACC VALVE LEAKING FROM DRAIN. R&R HPTACC VALVE IAW B737-900 AMM 75-21-01, PERFORMED ACTUATOR TEST AMM 71-00-00-700-007-F00 AND IDLE POWER LEAK CHApr 25, 2019 · N419AS · Boeing 737990ER · Engine Cooling SystemSDR ASAA2019041729028Fmc · malfunctionedRIGHT FMC FAILED MOMENTARILY IN FLIGHT. GROUNDED - YES. REF B737-900 AMM 34-61-00-710-801. OPS TEST NORMAL.Apr 17, 2019 · N419AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2019031328598Pump · leakingWHILE ACCOMPLISHED LEAK CHECK ON HAND-CRANKING DRIVE COVER ON NR 1 ENGINE FOUND FUEL PUMP LEAKING FUEL. GROUNDED - YES. REPLACED FUEL FILTER ORING ON NR 1 ENG PER AMM 73-11-02-400-801-F00. NO HELP. ON ENG RUN FOUND RELIEF VALVE ASSY LEAKING. REMOVED & REPLACEDMar 13, 2019 · N419AS · Boeing 737990ER · Engine Fuel Pump
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