N597AS

Service difficulty reports · 401

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 = 'N597AS' 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 ASAA2021022634199Warning Message · illuminatedWINDOW HEAT RIGHT SIDE OVERHEAT LIGHT ILLUMINATED IN FLIGHT (20 MIN AFTER T/O AT 30K FT). GROUNDED - YES. CYCLED SWITCH IAW QRH.Feb 26, 2021 · N597AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA2021010433817Spacer · debondedPER T/C 78472010 NR 1 ENGINE FAN BLADE LUBE SPACER NR 4 ELASTOMER IS DISBONDED. GROUNDED-YES. REMOVED AND REPLACED NR 1 ENGINE FAN BLADE LUBE SPACER, PER T/C 78472010.Jan 4, 2021 · N597AS · Boeing 737890 · Turbine Engine Air Inlet SectionSDR ASAA2021010433816Platform · damagedPER T/C 78472010 NR 1 ENGINE FAN BLADE LUBE PLATFORMS NR 3, 4, 10, 13, 17 AND 19 ELASTOMERS ARE MISSING BEYOND LIMITS. GROUNDED-YES. REMOVED AND REPLACED NR 1 ENGINE FAN BLADE LUBE PLATFORMS, PER TC 78472010.Jan 4, 2021 · N597AS · Boeing 737890 · Turbine Engine Air Inlet SectionSDR ASAA2021010133805Display · failedAT FL 380 CAPTAINS SIDE MCDU PANEL CALL FAIL AND MESSAGE OFST LIGHT APPEARED AND DISPLAY WENT BLANK. A BITE PASS MESSAGE APPEARED BRIEFLY, THEN WENT AWAY DISPLAY BLANK AGAIN FOR 10 SECONDS THEN ALL RETURNED TO NORMAL. GROUNDED-YES. PERFORMED BITE CKED ON MCJan 1, 2021 · N597AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2020122933784Pitot Tube · inoperativeAUX PITOT ANNUNCIATED. GROUNDED-YES. PERFORMED B737-800 FIM TASK 30-31 801, PULLED 10 C/B'S AND RESET, FOUND THAT AUX PITOT PROBE IS BAD, NO RESISTANCE. REMOVED AND REPLACED AUX PITOT PROBE, PER B737-800 AMM 34-11-01. OPERATIONS CHECK GOOD, PER AMM 34-11-0Dec 29, 2020 · N597AS · Boeing 737890 · Pitot/Static Anti-Ice SystemSDR ASAA2020122633752Circuit Breaker · trippedAFTER STARTING ENGINES "AUX PITOT" ILLUMINATED WITH CB FOUND OUT. GROUNDED-YES. PERFORMED C/B RESET PROCEDURE, REF B737-800 AMM 20-60-01, NO FAULTS NOTED. OPERATIONS CHECKED AUX PITOT HEAT SYSTEM, REF AMM 30-31-00-750-801, ALL TEST PASS. NO FAULTS NOTED.Dec 26, 2020 · N597AS · Boeing 737890 · Pitot/Static Anti-Ice SystemSDR ASAA2020121333671Radio · failedHF-1 RADIO DISPLAYS "FAIL" UPON SELECTION. GROUNDED-YES. RESET HF-1 C/B, OPERATIONS CHECK HF-1 FUNCTION NORMAL, REF B737-800 AMM 23-11-21. OK FOR SERVICE.Dec 13, 2020 · N597AS · Boeing 737890 · HF Communications SystemSDR ASAA2020112333591Motor · faultyIN FLIGHT MAIN TANK AFT NUMBER TWO FUEL LOW PRESSURE LIGHT ILLUMINATED. GROUNDED-YES. REF B737-800 FIM 28-22 TASK 805, FOUND R20 GFI TRIPPED. GVI OF NR 2 AFT PUMP CONNECTOR, NO DEFECTS FOUND. RESET NR 2 AFT PUMP C/B AND RESET GFI, BOOST PUMP OPERATED, BUT Nov 23, 2020 · N597AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2020110833525Autothrottle Sys · malfunctionedAUTOTHROTTLE DISENGAGED INFLIGHT, WILL NOT RE-ENGAGE. GROUNDED-YES. PERFORMED A/T BITE PROCEDURE, REF B737-800 FIM 22-31 TASK 801, NO ACTIVE FAULTS FOUND. IN FAULT HISTORY FOUND FAULT MESSAGE NR 22-31688 (RATE MONITOR, CHAN -A), PER FIM 22-31 TASK 819 INTERNov 8, 2020 · N597AS · Boeing 737890 · Auto Throttle SystemSDR ASAA2020100133293Bulb · burned outEMERGENCY AISLE LIGHT AT SEAT ROW 29 RT INOPERABLE. GROUNDED-YES. RELAMPED EMERGENCY AISLE LIGHT AT SEAT ROW 29 RT. OPERATIONS CHECK GOOD, IAW B737-800 AMM 33-51-03-960-801.Oct 1, 2020 · N597AS · Boeing 737890 · Emergency LightingSDR ASAA2020091233172Display · inoperativeCAPT MCDU DISPLAY SCREEN INOP/BLANK. GROUNDED - YES. CAPT CONTROL DISPLAY UNIT CHECK ACCOMPLISHED IAW B737-800 FIM 34-61 TASK 804. CYCLED C/B & OPS CK CDU OK.Sep 12, 2020 · N597AS · Boeing 737890 · Central ComputersSDR ASAA2020091423164Warning Message · false activationAFTER ENGINES STARTED ON PUSH BACK WE GOT A CONT CAB ZONE TEMP ANNUNCIATOR ON RECALL, BUT EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED B737-800 FIM 21-62 TASK 801 PTC BITE. RIGHT PTC FAULT LIGHT ILLUMINATED FOR FLT DECK TRIM VALVE IN BISep 12, 2020 · N597AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2020082433061Warning Message · false indicationHF 2 SHOWS FAIL. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 23-11 TASK 802, HF2 OPS NORMAL. GROUND VERIFICATION GOOD.Aug 23, 2020 · N597AS · Boeing 737890 · HF Communications SystemSDR ASAA2020032632560Compressor · damagedWHILE ACCOMP. BIRD STRIKE BORO #2 ENG S/N 896473 FOUND COMPRESS DAMAGE @ HPC 3 & HPC 4 FURTHER INVESTIGATION FOUND 3RD STG VSV PINS MISSING @ 3 & 9 O'CLOCK POSITIONS WITH DAMAGE TO COMPRESSOR SPOOL (PINS BOUNCING AROUND) INITIAL BORO DEFERRAL WAS MIG2A- 121365Mar 23, 2020 · N597AS · Boeing 737890 · Turbine Engine Compressor SectionSDR ASAA2020031232411Filter Element · cloggedWHILE PERFORMING APU GENERAL VISUAL INSPECTIONS, FOUND RED BUTTON EXTENDED ON OIL FILTER INDICATOR. GROUNDED - YES. REMOVED AND REPLACED LUBE FILTER ELEMENT FOR APU. OPS CHECK GOOD PER B737-800 AMM 49-91-12. NO LEAKS NOTED.Mar 11, 2020 · N597AS · Boeing 737890 · APU Oil SystemSDR ASAA2020022413247Wire Harness · failedFAULT LIGHT ILLUMINATED DURING APU START. GROUNDED - YES. ACCOMPLISHED APU BITE REF B737-800 FIM 49-60 TASK 810 FOUND FAULT 49-72104 DATA MODULE CIRCUIT FAILURE AND 49-41011 NO FLAME SHUTDOWN. ACCOMPLISHED GVI OF APU WIRE HARNESS REF FIM 49-70 TASK 807, NO DEFFeb 21, 2020 · N597AS · Boeing 737890 · APU System WiringSDR ASAA2020010831775Unknown · malfunctionedAFTER DEPARTING GATE IN SAN COULD NOT ARM THE AUTO THROTTLES TRIED RESETTING MCP FD SWITCHES BUT WOULD NOT ARM. GROUNDED - YES. A/T BITE FAULT HIST PAGE LOGGED MSG 22-31523 TARGET MONITOR ON FLT LEG 5 ONLY. REF B737-800 FIM 22-31 TASK 818, A/T BITE TEST ALL TEJan 4, 2020 · N597AS · Boeing 737890 · Auto Throttle SystemSDR ASAA2019120971523Control Valve · malfunctionedAFTER START WITH BOTH ENGINES RUNNING UPON RECALL WE OBSERVED A LEFT PACK LIGHT. THE LIGHT DOES EXTINGUISH WHEN RESET. GROUNDED - YES. REMOVED AND REPLACED L/H TEMP CONTROL VALVE PER B737-800 AMM 21-51-10 OPS CHK GOOD NO LEAKS OR FAULTS NOTED.Dec 7, 2019 · N597AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2019120961542Sensor · malfunctionedDURING T/C 78273000 HAD #2 ENGINE FAULT, SHORT TIME, CODE 73-10902, T12 SIGNALS DISAGREE. GROUNDED - YES. REMOVED & REPLACED #2 ENGINE T12 SENSOR REF B737-800 AMM 73-21-05. GROUND TEST PASSED.Dec 6, 2019 · N597AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2019111981370Hf Comm · failedHF #1 FAIL GROUNDED - YES. PERFORMED BITE TEST B737-800 FIM 23-11 TASK 801 ON HF #1 LRU STATUS LIGHT GREEN, BITE PASSED, FAIL READOUT EXTINGUISHED IN FLIGHT DECK. CAPTAIN DID OPS CHECK, CHECK NORMAL, GROUND VERIFICATION SUCCESSFUL.Nov 18, 2019 · N597AS · Boeing 737890 · HF Communications SystemSDR ASAA2019110231228Connector · defective#1 ENG ING C/B "R" POPPED. GROUNDED - YES. FOUND CONNECTOR D30064 PIN 1 SHORTED TO GND WHEN SIDE LOADED. FOUND CONNECTOR PIN OUT NOT TO MATCH B737-800 WIRING DIAGRAM REF 74-11-11. REMOVED & REPLACED CONNECTORS D30062 AND D30064 AND RETERMINATED PINS AND PLUGS Nov 2, 2019 · N597AS · Boeing 737890 · Ignition System WiringSDR ASAA2019103081166Warning Light · false activationLEFT PACK LIGHT ILLUMINATED DURING RECALL CANCELS WITH MASTER CAUTION RESET. GROUNDED - YES. LEFT HAND PACK PRIMARY CONTROL INOP. ACCOMPLISHED ETOPS GROUND VERIFICATION TEST PER FIM 21-53 TASK 821 LEFT TCV FAULT RESET AND SUBSEQUENT OPS CHECK GOOD.Oct 28, 2019 · N597AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2019072230138Warning System · false activationHF #1 INDICATES FAIL ON COM CONTROL PANEL. SEEMS TO TUNE AND RECEIVE OK BUT REVERTS TO FAIL AFTER SHORT AMOUNT OF TIME. GROUNDED - YES. HF #1 BITE CK SHOWS CONT INPUT FAIL. PERFORMED FIM 23-11 TASK 802 & FAULT CLEARED. GROUND FUNCTIONAL CK GOOD.Jul 22, 2019 · N597AS · Boeing 737890 · HF Communications SystemSDR ASAA2019072130133Nozzle · cloggedON TAXI OUT, WE HAD A BIG RUSH OF AIR THROUGH THE VENTS. NO ASSOCIATED WARNING LIGHTS. DUCT PRESSURE APPEARED NORMAL. WE TURNED OFF BOTH PACKS SO WE COULD HEAR EACH OTHER. IT SEEMED THE ONLY PACK THAT PRODUCED ANY AIRFLOW WAS THE LEFT PACK. GROUNDED - YES. UPOJul 21, 2019 · N597AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2019070429908Transceiver · unsecureWHEN TURNING ON WX RADAR, WX STAB ILLUMINATES FOLLOWED BY WX FAIL ABOUT 5 SECONDS LATER. WX RADAR WILL NOT TURN ON IN ANY MODES. GROUNDED - YES. FOUND THAT WXR RT NOT SECURED IN RACK. SECURED WXR RT. OPS TEST REF FIM 34-43-00-710-802-001 TESTS OK.Jul 4, 2019 · N597AS · Boeing 737890 · Weather Radar SystemSDR ASAA2019070329897Warning System · false activation#1 PACK ILLUMINATED ON MASTER CAUTION RECALL LIGHT EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. INITIAL BITE HAD RAM AIR ACT FAULT LIGHT. WAS ABLE TO RESET #1 PACK CHECKS GOOD IN REF TO AMM 21-51-00.Jul 3, 2019 · N597AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2019060769608Platform · damagedWHILE ACCOMP TC 78472010 FOUND PLATFORM ELASTOMER DAMAGE BEYOND 40" #1 ENG POSN. GROUNDED - YES. REPLACED ALL 24 PLATFORMS REF T/C 78472010 SUBTASK 839-095.Jun 6, 2019 · N597AS · Boeing 737890 · Turbine Engine Air Inlet SectionSDR ASAA2019060629607Spacer · debondedWHILE ACCOMP TC 78472010 FOUND 4 SPACERS WITH DISBOND ON 2 AREAS. GROUNDED - YES. REPLACED THE 4 SPACERS REF T/C 78472010 SUBTASK 839-046.Jun 6, 2019 · N597AS · Boeing 737890 · Turbine Engine Air Inlet SectionSDR ASAA2019060629601Eec · failed#1 ENG MAINT MSG 75-20541 REQUIRES FAULT RECHECK TO CONFIRM "ECONOMIC" FAULT STATUS. GROUNDED - YES. ALTERNATE DEACTIVATION PROCEDURES USED PER CH. 5 TABLE 3 ITEM 8+9 FOR #1 ENG. PULLED/COLLARED 4 C/BS. ACCOMPLISHED FIM 75-22 TASK 802. REMOVED AND REPLACED EECJun 1, 2019 · N597AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2019060329552Switch · intermittentRIGHT CENTER TANK FUEL LOW PRESSURE LIGHT ILLUMINATED AND REMAINED ON. CENTER TANK FUEL QUANTITY 1.24. RAN QRH CHECKLIST. GROUNDED - YES. REMOVED AND REPLACED CENTER RIGHT FUEL BOOST PUMP PRESSURE SWITCH REF B737-800 AMM 28-42-11. ACCOMPLISHED OPS TEST REF AMMJun 1, 2019 · N597AS · Boeing 737890 · Fuel Indicating SystemSDR ASAA2019050729264Nut · brokenNR 2 ENGINE HIGH STAGE BLEED VALVE HAS BROKEN MANUAL OVERRIDE NUT LOCK. GROUNDED - YES. REMOVED AND REPLACED NR 2 ENGINE HIGH STAGE VALVE REF AMM 36-11-06-000-801 AND 36-11-06-400-801.May 7, 2019 · N597AS · Boeing 737890 · Compressor Bleed ValveSDR ASAA2019041538976Display · malfunctionedAT CRUISE AT 360, ABOUT 4 HOURS INTO FLIGHT, LH FMC MCDU SCREEN WENT BLANK AFTER FLASHING SEVERAL TIMES. WAS OUT ABOUT ONE MINUTE. CAME BACK ON AND WORKED NORMALLY NO VTK, MAP OR SINGLE FMC MESSAGE ON DISPLAYS OR RH FMC. GROUNDED - YES. COMPLIED W/ FMC RESET PApr 13, 2019 · N597AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2019041098947Lens · missingROW 16 EXIT LIGHT COVER MISSING. GROUNDED - YES. INSTALLED NEW EXIT LIGHT COVER AT ROW 16DEF, REF B737-800 AMM 33-51-01.Apr 9, 2019 · N597AS · Boeing 737890 · Emergency LightingSDR ASAA2019040878908Window · false indicationLEFT SIDE WINDOW OVERHEAT IN CLIMBOUT. QRH COMPLIED WITH LIGHT EXTINGUISHED. GROUNDED - YES. COMPLIED WITH B737-800 FIM 30-41 TASK 801 NO FAULTS FOUND ON BITE CK. WINDOW HEAT OP TEST NORMAL REF AMM 30-41-00-710-801.Apr 7, 2019 · N597AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA2019030728739Coupler · faulted#1 HF RADIO WILL NOT TRANSMIT. GROUNDED - YES. ACCOMPLISHED HF ANTENNA ELECTRICAL BOND CHECK REF B737-800 AMM 23-11-51-760-801, NO FAULTS NOTED. REMOVED & REPLACED BOTH #1 & #2 HF ANTENNA COUPLER REF AMM 23-11-61, GROUND FUNCTIONAL CK NML. AIRCRAFT RELEASED FMar 22, 2019 · N597AS · Boeing 737890 · HF Communications SystemSDR ASAA2019031928675Light · inoperativeL1 DOOR EXTERIOR EMERGENCY LIGHT INOP. GROUNDED - YES. RELAMPED EMERGENCY LIGHT OPS CHEKED GOOD REF AMM 33-51-04.Mar 19, 2019 · N597AS · Boeing 737890 · Emergency LightingSDR ASAA2019030928546Warning System · false activationLEFT PACK CAUTION LIGHT ILLUMINATES ON MASTER CAUTION RECALL. UPON PRESSING MASTER CAUTION PRESS TO RESET LIGHT DOES RESET/GO OUT. GROUNDED - YES. ACCOMPLISHED NR 1, NR 2 PZTC BITE TET PER AMM 21-61-00-700-806-002, NR 2 PZTC TEST PASSED, NO FAULT NOTED, NR 1 PMar 9, 2019 · N597AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2019030128425Control Panel · faultyWHILE TESTING THE HF RADIOS, HF1 HAS NO STATIC AND WAS NOT TUNING, AND HF2 HAD STATIC BUT COULD NOT TUNE. GROUNDED - YES. BOTH HF RT'S BITE CK NORMAL. CYCLED POWER TO BOTH HF'S. NR 1 OPERATION RETURNED TO NORMAL. NR 2 WILL NOT CHANNELIZE, REC OK. RELEASED PER Mar 1, 2019 · N597AS · Boeing 737890 · HF Communications SystemSDR ASAA2019022828434Sign · unsecureEXIT SIGN ABOVE R1 FELL OFF, NEEDS REATTACHED. GROUNDED - YES. REINSTALLED AND SECURED EXIT SIGN AT R-1 DOOR IAW AMM 33-25-00. OPS CK OK.Feb 28, 2019 · N597AS · Boeing 737890 · Emergency LightingSDR ASAA2019021428201Hf Comm · malfunctionedAIRBORNE, BOTH HF NR 1 AND HF NR 2 NEITHER RADIO WOULD TUNE, NO TUNING SIDETONE FOR EITHER RADIO. WE COULD HEAR CONVERSATION ON BOTH HF RADIOS. NEITHER L OR R WOULD TUNE OR TALK ON EITHER RADIO. GROUNDED - YES. PERFORMED HF BIT CHECK ON HF NR 1 AND HF NR 2 REFFeb 14, 2019 · N597AS · Boeing 737890 · HF Communications SystemSDR ASAA2019021128159Starter · failedUPON ENGINE START NR 2 ENGINE NO ROTATION WITH GOOD DUCT PRESSURE, NR 1 ENGINE START NORMAL. GROUNDED - YES. REMOVED AND REPLACED NR 2 ENGINE STARTER AND START VALVE REF AMM 80-11-01 AND 80-11-03, LEAK AND OPS CHECK GOOD.Feb 11, 2019 · N597AS · Boeing 737890 · Engine StarterSDR ASAA2019021268150Connector · failed#1 ENG DOES NOT SHOW EGT INDICATION ON ENGINE START. GROUNDED - YES. SWAPPED IGNITION BOXES - RIGHT C/B CONTINUES TO POP. SWAPPED LEADS, SAME RESULTS IN ALL 3 START POSITIONS. A/C RETURNED TO ORIG CONFIG EXCEPT IGN BOXES REMAIN SWAPPED POSITION. FOUND PIN 14 OFeb 6, 2019 · N597AS · Boeing 737890 · Ignition System WiringSDR ASAA2019020428062Satcom · lockedSATCOM LOST DURING FLIGHT. GROUNDED - YES. ACCOMPLISHED SATCOM LOCK-UP QRH PROC & SATCOM RESTORED.Feb 4, 2019 · N597AS · Boeing 737890 · HF Communications SystemSDR ASAA2019020428054Window · overheatedDURING PRE-FLIGHT HAD "OVERHEAT" LT ILLUM FOR R2 WINDOW. ACCOMPLISHED QRH PROC & TURNED IT OFF FOR MORE THAN 6 MINUTES. WINDOW WAS STILL HOT TO TOUCH AND "OVERHEAT" LT ILLUM. AGAIN IMMEDIATELY AFTER TURNING THE SWITCH TO "ON" AGAIN. GROUNDED - YES. INTERROGATEFeb 4, 2019 · N597AS · Boeing 737890 · Flight Compartment WindowsSDR ASAA2019012327904Display · malfunctionedPRESS CONTROL DISPLAY VERY DIM. GROUNDED - YES. CYCLED AUTO PRESSURIZATION CONTROL MODULE C/B'S AND PRESSURIZATION CONTROL PANEL BRIGHT/DIM FUNCTION OPS CK GOOD REF FIM TASK 21-31-00-810-803.Jan 23, 2019 · N597AS · Boeing 737890 · Cabin Pressure Control SystemSDR ASAA2019011327785Guide Arm · out of adjustL-1 DOOR VERY HARD TO CLOSE. "FWD ENTRY" LIGHT DOES NOT EXTINGUISH ON OVERHEAD PANEL. GROUNDED - YES. ACCOMPLISHED FWD ENTRY DOOR ADJUSTMENT ON L1 DOOR GUIDE ARM (UPPER ARM) REF AMM TASK 52 11 00 820 801 (H) SUBTASK 52 11 00 820 029. OPERATIONAL CHECK OF L1 DOJan 13, 2019 · N597AS · Boeing 737890 · Passenger/Crew DoorsSDR ASAA2019010827724Unknown · malfunctionedPRESSURIZATION CONTROL PANEL DIGITS DO NOT DIM WHEN LIGHTS SELECTED DIM. OUTFLOW VALVE INDICATOR IS BLANK. GROUNDED - YES. PERFORMED FIM 21-31 TASK 803 K. OPS NORMAL OK FOR SERVICE.Jan 8, 2019 · N597AS · Boeing 737890 · Cabin Pressure Control SystemSDR ASAA2019010527683Unknown · malfunctionedON CLIMBOUT - FMC MESSAGE "VNAV INVALID PERF". FMC HAD DROPPED THE COST INDEX OUT. AFTER REINSTALLING COST INDEX NORMAL OPS. GROUNDED - YES. PERFORMED FIM 34-61 TASK 807 AFTER RESET BOTH FMC'S CAME UP NORMAL.Jan 5, 2019 · N597AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA201812117307Light · inoperativePRESSURIZATION PANEL BACKLIGHTING INOP, OUTFLOW VALVE INDICATOR INOP, LCP ALTITUDE DISPLAYS DO NOT DIM. GROUNDED - YES. CYCLED ELEC PWR PER B737-800 AMM 20-60-99 AND ALL INDICATIONS RETURNED TO NML. BACKGROUND / LCD DISPLAYS AND OUTFLOW VALVE INDICATE AND OPS Dec 10, 2018 · N597AS · Boeing 737890 · Cabin Pressure Control SystemSDR ASAA2018102526594Eec · faultyWHILE ACCOMPLISHING T/C 78273000, FOUND ECONOMIC FAULT ON THE NR 1 ENG, MSG 73-30301 INTERNAL EEC FAULT THE PMUX SIGNALS DISAGREE. GROUNDED - YES. REMOVED AND REPLACED NR 1 EEC IAW AMM 73 21 60 000 801 F00 AND 73 21 60 400 801 F00, OPS CKS GOOD IAW AMM 71 00 0Oct 25, 2018 · N597AS · Boeing 737890 · Fuel Control/Turbine Engines
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