Boeing 737-890

Service difficulty reports · 23,038

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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 aircraft_model_key = '737890'
  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 ASAA2023062543668Modulating Valve · faultyR/H PACK LIGHT ILLUMINATED ON GROUND, PACKS OFF. GROUNDED - YES. BITE CHECK FLAGS RH PACK TCV. REMOVED & REPLACED RH TCV REF B737-800 AMM 21-51-10. OPS CHECK & LEAK CHECK GOOD.Jun 25, 2023 · N506AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023062443912Lubrication Unit · leaking#1 ENGINE OIL TREND DATA SHOWS OIL CONSUMPTION TO GREATER THAN EXPECTED. (#PRI2/ETOPS)ENGINE POWER RUN REQUIRED. GROUNDED - YES. ACCOMPLISHED TSR STEPS 8 THROUGH 13, STEP 9 OIL SUPPLY TUBE WAS SERVICABLE AND DOES NOT REQUIRE REPLACEMENT. STEP 10 ITEM 500 NIPPLJun 24, 2023 · N583AS · Boeing 737890 · Engine Oil System (Airframe Furnished)SDR ASAA2023062443710Unknown · unknownCAPTAINS NAVIGATION DISPLAY DEPICTS ERRONEOUS GREEN BAND OF WX RADAR RETURNS FROM APPROXIMATELY 80-160-NM IN BOTH AUTO AND MANUAL MODES. ERRONEOUS DISPLAY IS NOT AFFECTED BY CHANGING SCALE. GROUNDED - YES. ON DEFERRAL.Jun 24, 2023 · N558AS · Boeing 737890 · Independent Position Determining SystemSDR ASAA2023062443705Unknown · unknown#2 COWL VALVE OPEN LT ON DIM WITH SWITCH OFF,CYCLED SWITCH AND NORMAL INDICATIONS SHOWN LIGHT FLICKERS VERY DIM. GROUNDED - YES. NO LT ILLUMINATED AT OVRHD. PTT CHKS GOOD. MASTER TEST DIM CHKS GOOD. PERFORMED ENG COWL ANTI-ICE OPS TEST IAW AMM 30-21-00-710-80Jun 24, 2023 · N586AS · Boeing 737890 · Air Intake Anti/De-Ice SystemSDR ASAA2023062443744Unknown · unknownWHILE PERFORMING TASK CARD 78273000 FOUND #1 ENGINE FAULT CODE 73-30311 THE START SWITCH SIGNAL AND ARINC BUS DATA DISAGREE. SHORT TIME FAULT. GROUNDED - YES. TASK CARD COMPLIED WITH.Jun 24, 2023 · N562AS · Boeing 737890 · Engine Fuel Indicating SystemSDR ASAA2023062443708Unknown · unknownAFTER SHUTDOWN, SWITCH FOR EMERGENCY EXIT LIGHTING WAS PLACED "OFF" AND ALL THE EMERGENCY EXIT LIGHTING TURNED ON AND STAYED ON. GROUNDED - YES. AFT CABIN EMERGENCY LIGHT WAS STUCK IN THE ON POSITION. READJUSTED LIGHT COVER AND OPERATIONAL CHECK IS NORMAL. REFJun 24, 2023 · N583AS · Boeing 737890 · Emergency LightingSDR ASAA2023062443702Motor · faultySTAB OUT OF TRIM LIGHT ILLUMINATED WHEN AUTOPILOT ENGAGED AFTER A WHILE NOT IMMEDIATELY AFTER ABOUT 30 MINUTES AT CRUISE ALTITUDE. LEFT LIGHT ILLUMINATED WITH LEFT A AUTOPILOT RIGHT LIGHT ILLUMINATED WITH RIGHT B AUTOPILOT. GROUNDED - YES. ACCOMPLISHED DFCS SPJun 24, 2023 · N569AS · Boeing 737890 · Stabilizer Control SystemSDR ASAA2023062443679Unknown · unknownHF #2 RADIO DISPLAYS "FAIL-FAIL" ON THE DISPLAY. GROUNDED - YES. RESET CIRCUIT BREAKER FAILED CLEARED PERFORMED HF#2 COM SYSTEM BIT PROCEDURE IAW B737-800 FIM 23-11 TASK 801 BIT CHECK GOOD.Jun 24, 2023 · N587AS · Boeing 737890 · HF Communications SystemSDR ASAA2023062443667Unknown · unknownAFTER ENGINE START CONT CABIN ZONE TEMP LIGHT ILLUMINATED. GROUNDED - YES. REF B737-800 FIM 21-62 TASK 832, PERFORMED BITE ON PACK ZONE TEMP CONTROLLER 1 & 2, CONTROLLER 2 HAD "FLT DECK-TRIM VALVE" FAULT LIGHT ILLUMINATED. PERFORMED OPS TEST OF L/H & R/H PACK Jun 24, 2023 · N577AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023062343725Unknown · unknown#2 ENGINE EGT EXCEEDENCE DETERMINED TO BE CAUSED BY FAULTY EGT INDICATION SYSTEM. PERFORMED #2 ENGINE EGT CONNECTOR CLEANING REF AMM TASK 77-21-00-140-801, EEC BITE TEST REQUIRED FOR REPAIR CONFIRMATION. GROUNDED - YES. ENG.2 FAN COWL AND T/R OPENED TO F.O.M AJun 23, 2023 · N533AS · Boeing 737890 · Engine Temperature Indicating SystemSDR ASAA2023062343693Unknown · unknownELEC LIGHT COMES ON P5 OVERHEAD PANEL. GROUNDED - YES. PER FIM 24-31-00-810-801, PERFORMED BITE TEST AND SPCU INOP MSG SHOWED. CYCLED SPCU NORMAL AND STBY C/BS PER FIM 24-34, TASK 802. FAULT CLEARED AND ELEC LIGHT DISTINGUISHED. OK FOR SERVICE.Jun 23, 2023 · N557AS · Boeing 737890 · Electrical Power SystemSDR ASAA2023062343680Unknown · unknown#1 HF SAYS FAIL IN BOTH WINDOWS. GROUNDED - YES. ON DEFERRAL.Jun 23, 2023 · N597AS · Boeing 737890 · Communications SystemSDR ASAA2023062243918Power Supply · failedEMERGENCY LIGHT SYSTEM POWER SUPPLY (M1673) FIALED OPERATIONAL TEST. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LISHT SYSTEM POWER SUPPLY (M1673) PERFORMED. OPERATIONAL TEST. OPS TEST GOOD IAW B737-NG AMM 33-51-06-960-806.Jun 22, 2023 · N524AS · Boeing 737890 · Emergency LightingSDR ASAA2023062243917Power Supply · failedEMERGENCY LIGHT SYSTEM POWER SUPPLY (M1672) FAILED OPERATIONAL TEST. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT SYSTEM POWER SUPPLY (M1672) PERFORMED OPERATIONAL TEST, OPS TEST GOOD IAW B737-NG AMM 33-51-06-960-806.Jun 22, 2023 · N524AS · Boeing 737890 · Emergency LightingSDR ASAA2023062243777Unknown · unknownREF TC 78273000 #1 ENG DISPLAYS ECONOMIC FAULT 77-20861. THE BOTTOM LEFT EGT SIGNAL IS OUT OF RANGE. GROUNDED - YES. ON DEFERRAL.Jun 22, 2023 · N517AS · Boeing 737890 · Engine Temperature Indicating SystemSDR ASAA2023062243682Unknown · unknownLEFT FMC FAILURE WITH VTK FLAG. GROUNDED - YES. CYCLED LEFT AND RIGHT FMC C/B. NO INFLIGHT FAILURES NOTED. LEFT FMC OPS CHECK GOOD.Jun 22, 2023 · N533AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2023062143678Unknown · unknownINFLIGHT LEFT CTR TANK PUMP LOW PRESSURE INDICATION WITH 2500 LBS IN CTR TANK. GROUNDED - YES. ACCOMPLISHED FUEL BOOST PUMP OPERATIONAL TEST REF AMM 28-22-41-710-801 SYSTEM OPS CHECKS NORMAL... GROUND VERIFICATIONS CHECKS GOOD.Jun 21, 2023 · N506AS · Boeing 737890 · Aircraft Fuel Distribution SystemSDR ASAA2023062143656Unknown · unknownFWD GALLEY EMERGENCY COVER FELL OFF. GROUNDED - YES. RESECURED EMERGENCY EXIT SIGN LENS COVER. EMERGENCY LIGHT OPS CHECK NORMAL. REF AMM 33-51-01.Jun 21, 2023 · N513AS · Boeing 737890 · Emergency LightingSDR ASAA2023062143655Lamp · inoperativeEMERGENCY EXIT LIGHT ABOVE ROW 27 IS INOP. GROUNDED - YES. EMERGENCY EXIT LIGHT RELAMP AT ROW 27 AND OPS CHECK NORMAL REF B737-800 AMM 33-51-03.Jun 21, 2023 · N516AS · Boeing 737890 · Emergency LightingSDR ASAA2023062143654Lens · missingRIGHT GALLEY EXIT SIGN COVER NEAR TRASH BIN 4-17 IS MISSING ITS PLASTIC COVER. GROUNDED - YES. INSTALLED EMER SIGN LENS COVER AS REQUIRED. AT AFT RIGHT TRASH BIN AT 4-17. OK PER SERVICE.Jun 21, 2023 · N534AS · Boeing 737890 · Emergency LightingSDR ASAA2023062043751Skin · corrodedCRACK FOUND ON THE LOWER SKIN OF THE LEFT-HAND HORIZONTAL STABILIZER AFT OF THE FWD SPAR, INBOARD OF STAB STA 138.70. APPROX 1 INCH LONG, BOTH ENDS MARKED. GROUNDED - YES. REPAIRED THE CRACK FOUND ON THE LOWER SKIN OF THE L/H HORIZ STAB I/B OF STAB STA 138.70 Jun 20, 2023 · N585AS · Boeing 737890 · Fuselage Main, StructureSDR ASAA2023062043732Skin · crackedCRACK FOUND LEFT HAND HORIZONTAL STABILIZER LOWER SKIN FWD OF REAR SPAR INBOARD OF STAB STA 129.50. APPROX 1 INCH, BOTH ENDS MARKED. GROUNDED - YES. REPAIRED THE CRACK FOUND ON THE LOWER SKIN OF THE L/H HORIZ STAB I/B OF STAB STA 129.50 USING MAT .071 2024-T3 Jun 20, 2023 · N585AS · Boeing 737890 · Horizontal Stabilizer StructureSDR ASAA2023062043681Control Panel · faultyWEATHER RADAR FAILED ON DESCENT THROUGH 1000 MSL "PWS FAIL" & "WX FAIL" DISPLAYED ON ND. GROUNDED - YES. REMOVED AND REPLACED WXR R/T MOUNT BLOWER ASSEMBLY REF AMM 34-43-51/401. REMOVED REPLACED WXR CONTROL PANEL PRECAUTIONARY REF AMM 34-43-91/401. REMOVED ANDJun 20, 2023 · N558AS · Boeing 737890 · Weather Radar SystemSDR ASAA2023061943704Motor · faulted#1 LEFT CENTER PUMP LOW PRESSURE. GROUNDED - YES. RESET CB. GOOD VOLTAGE AT PUMP CONNECTOR. ALSO VERIFIED PUMP SOUNDS WEAK COMPARED TO THE OTHERS J. FARREN 24716REMOVED AND REPLACED CTR TANK LH BOOST PUMP WITH SERVICEABLE UNIT IN REFERENCE TO AMM 28-22-41. REJun 19, 2023 · N506AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2023061943646Motor · faultyLEFT CENTER FUEL PRESSURE LOW PRESSURE LIGHT ILLUMINATED AFTER TAKE OFF AND REMAIND ON WITH ABOUT 500 LBS REMAINING IN CENTER TANK. GROUNDED - YES. REMOVED AND REPLACED LEFT CENTER FUEL BOOST PUMP I.A.W. B737-800 AMM 28-22-41.Jun 19, 2023 · N506AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2023061943635Filter · dirtyCABIN AIR QUALITY REPORT: AT TIME OF SERVICE APPROX 2045 FA'S B,C,D REPORTED DISCOMFORT IN EYE AND THROAT WITH AMMONIA SMELL AROUND ROW 29 BACK TO THE GALLEY * REPORT ATTACHED. GROUNDED - YES. PERFORMED B737-800 FIM TASK 05-51 TASK 814 AND FOUND RH RECIRCULATIJun 19, 2023 · N590AS · Boeing 737890 · Air Distribution SystemSDR ASAA2023061743605Module · faultySTAB OUT OF TRIM LIGHT ON CLIMBOUT. MAIN ELECTRIC TRIM WORKS FINE. AUTOPILOT TRIM DOES NOT WORK. GROUNDED - YES. REF MAINT MSG 22-11167, PERFORMED B737-800 FIM TASK 22-14 TASK 818 STAB TRIM CLUTCH WRAP PROBLEM, PERFORMED WIRING CHECK ON COLUM SWITCHING MODULE Jun 17, 2023 · N569AS · Boeing 737890 · Autopilot SystemSDR ASAA2023061743622Unknown · unknownAT CRUISE FLIGHT WE GOT A VTK FLAG ON THE FO'S NAV DISPLAY. IT LASTED ABOUT 1 MIN AND THEN CORRECTED ITSELF AS WE STARTED THE CHECKLIST. THEN NORMAL UNTIL AFTER LANDING WHEN WE GOT FMC DISAGREE FLAG THAT DISSAPPEARED BY THE TIME WE ARRIVED AT THE GATE. GROUNDEJun 17, 2023 · N568AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2023061743619Pedestal · failedWXR FAIL DISPLAYED AFTER 4:30 INTO FLIGHT. GROUNDED - YES. REMOVED & REPLACED WXR DRIVE UNIT REF B737-800 AMM 34-43-11-400-802. 1 EA C/B OPENED & CLOSED. ACCOMPLISHED WXR SYSTEM- OPERATIONAL TEST REF AMM 34-43-00-710-802-001.Jun 17, 2023 · N586AS · Boeing 737890 · Weather Radar SystemSDR ASAA2023061643612Unknown · unknownCENTER TANK REFUELING PANEL QTY INDICATOR SHOWING FLUCTUATING FUEL QUANTITY AND INCORRECT FUEL QTY. GROUNDED - YES. ON DEFERRAL.Jun 16, 2023 · N517AS · Boeing 737890 · Fuel Indicating SystemSDR ASAA2023061643618Control Panel · faultyWX RADAR DEPICTING EXCESSIVE RETURNS ON CA SIDE ONLY. GROUNDED - YES. T/S AND REPLACED WX RADAR P-8 CONTROL PNL IAW B737-800 AMM 34-43-91.Jun 16, 2023 · N589AS · Boeing 737890 · Weather Radar SystemSDR ASAA2023061643616Light · inoperativeROW 16ABC EMERGENCY LIGHT IS OFF. GROUNDED - YES. REMOVED AND REPLACE EMERGENCY LIGHT ON ROW 16ABC IAW B737-800 AMM 33-51-00.Jun 16, 2023 · N563AS · Boeing 737890 · Emergency LightingSDR ASAA2023061643611Unknown · unknownRIGHT WING FUEL TANK ACCESS PANELS 632FB AND 632GB ARE LEAKING FUEL. GROUNDED - YES. RETORQUED PANELS 632FB AND 632GB. NO LEAKS FOUND. REF B737-800 AMM 28-11-11-420-027.Jun 16, 2023 · N594AS · Boeing 737890 · Aircraft Fuel SystemSDR ASAA2023061543652Skin · debondedFOUND DISBOND ON BOTTOM SKIN OF LEFT HAND INBOARD MAIN FLAP. AREA MARKED. GROUNDED - YES. PERFORMED PERMANENT REPAIR ON BOTTOM SKIN OF LEFT HAND INBOARD MAIN FLAP IAW ASA B737-800 SRM 57-53-01-2R-7 & ASA B737-800 SRM 51-70-10-2R-0. NO FURTHER ACTION REQUIRED.Jun 15, 2023 · N585AS · Boeing 737890 · Wing, Control SurfacesSDR ASAA2023061543624Hmu · failedWHILE TAXIING FOR ENGINE HIGH POWER RUN, EXPERIENCED ENGINE #2 ELECTRICAL 6 PACK ANNUNCIATOR LIGHT ILLUMINATED. THEN HYDRAULIC 6 PACK ANNUNCIATOR LIGHT THEN ENGINE FAILURE MESSAGE OVER EGT INDICATOR. FOR ENGINE #2. NOTICED ENGINE 2 BLUE ELECTRIC GEN OFF BUS LIJun 15, 2023 · N594AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2023061543620Fmc · failedLEFT FMC FAIL IN FLT. GROUNDED - YES. PERFORMED FIM 34-61 TASK 801 AND FOUND MULTIPLE FAULTS ARINC RAM, ASIC RAM, ASIC MICROCTL, MICROCODE CRC ON L/H FMC. PER FIM 34-61 TASK 837 THESE ARE HARDWARE FAILURES. REMOVED AND REPLACED L/H FMC PER B737-800 AMM 34-61-0Jun 15, 2023 · N565AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2023061543596Fmc · failedDUAL FMC FAILURE WITH VTK DISPLAYED, ALT LIMIT BOTH FMC MENU PAGES DISPLAYED WITH OUT FMC OPTION, CWS R DISPLAYED FMC CAME BACK 30-60 SECONDS LATER SECOND WRITE UP PREVIOUS ON 6-14 . UPON LANDING IN SAN PFD SHOWED FIELD ELEVATION OF THE DEPARTURE AIRPORT GEG 2Jun 15, 2023 · N590AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2023061443694Unknown · unknown#1 ENGINE LONG TIME FAULT. MSG NBR 75-10591. THE TBV POSITION SIGNAL IS OUT OF RANGE. GROUNDED - YES. ON DEFERRAL.Jun 14, 2023 · N564AS · Boeing 737890 · Engine Cooling SystemSDR ASAA2023061443627Unknown · unknownDURING TAXI OUT JUST PRIOR TO HOLDING SHORT OF THE RUNWAY #1 ENGINE CONTROL LIGHT ILLUMINATED. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 73-06-801 ENGINE CONTROL LIGHT IS ON ACCOMPLISHED FIM 73-00 TASK 801 EEC BITE CHECK FAULT CODES 75-10581 AND 75-10531 ACCOMJun 14, 2023 · N569AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2023061443625Hmu · out of limitsDURING TAXI OUT AND IN THE LINE UP FOR DEPARTURE #1 ENGINE CONTROL LIGHT ILLUMINATED. WE WERE APPROXIMATELY #5 FOR DEPARTURE AND THE CABIN TEMPERATURE WAS UNCOMFORTABLY WARM AS REPORTED BY FA'S. I SET THE PACK SWITCHES TO HIGH TO INCREASE AIR FLOW AFTER RETURNJun 14, 2023 · N569AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2023061443617Unknown · unknownCAPT SCREEN WHILE OPERATING RADAR IN AUTO IS SATURATED WITH GROUND CLUTTER-FO SCREEN DISPLAYS NORMALLY IN AUTO MODE-BOTH SCREENS DISPLAY WEATHER CORRECTLY WHILE OPERATING RADAR IN MANUAL (MANUAL TILT FUNCTION OPPERATES NORMALLY). GROUNDED - YES. ON DEFERRAL.Jun 14, 2023 · N558AS · Boeing 737890 · Navigation SystemSDR ASAA2023061443582Unknown · unknownFMC DISAGREE - VERTICAL ON BOTH CDU SCRATCH PADS. FLASHED 3 TIMES ON DESCENT. WENT AWAY BEFORE LANDING. GROUNDED - YES. PERFORMED FMC SYSTEM OPS CHECK NO FAULTS IAW B737-800 AMM 34-61-00-710-801.Jun 14, 2023 · N590AS · Boeing 737890 · Navigation SystemSDR ASAA2023061343579Unknown · unknownMOMENTARY LOSS OF BOTH FMC'S VTK FLAG ON CAPTAIN SIDE. LOSS OF FMC ON MENU PAGE OF MCDU. FMC'S RECOVERED WITH NO PILOT ACTION. GROUNDED - YES. NO ISSUE - FMC NUISANCE VTK ERROR-RECOVERED OK. OPS NORM REF. B737-800 AMM 34-61-00-860-801.Jun 13, 2023 · N533AS · Boeing 737890 · Navigation SystemSDR ASAA2023061343577Motor · faultyLEFT FWD FUEL PUMP LOW PSI LIGHT COMES ON IN FLIGHT WITH FUEL STILL REMAINING IN TANK. GROUNDED - YES. REMOVED AND REPLACED LEFT WING FWD FUEL PUMP IAW AMM 28-22-41Jun 13, 2023 · N529AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2023061533562Unknown · unknownAT CRUISE FO HAD VTRK DISPLAYED ON ND DISPLAY AND AUTOPILOT REVERTED TO CWS ROLL MODE. VTRK WENT AWAY AND OPS WENT BACK TO NORMAL. GROUNDED - YES. VERIFIED FMC+DFCS FAULTS FOR FMC DATA INVALID AND PRES POS LAT RATE. NO OTHER OCCURRENCES PREVIOUS FLT LEGS. DFCSJun 13, 2023 · N531AS · Boeing 737890 · Navigation SystemSDR ASAA2023061343558Adapter · leakingFUELING RECEPTACLE LEAKING WHEN FILLING ON #2 TANK. GROUNDED - YES. REMOVED AND REPLACED FUELING RECEPTACLE IAW AMM 28-21-11-400-801.Jun 13, 2023 · N583AS · Boeing 737890 · Aircraft Fuel Distribution SystemSDR ASAA2023061243585Window · faultyWIRING ATTACHED TO THE L1 WINDOW UPPER RIGHT HAND SIDE HAS SMALL ORANGE GLOW WHICH EXTINGUISHES WHEN FWD WINDOW HEAT IS TURNED OFF. GROUNDED - YES. VERIFIED "GLOW" IS BAD HEATER ELEMENT. REMOVED AND REPLACED L1 WINDOW, REF B737-800 AMM 56-11-11-000-801/-400-80Jun 12, 2023 · N587AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA2023061243578Motor · faulty#2 FWD FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED #2 FWD BOOST PUMP IMPELLER IAW B737-800 AMM 28-22-41.Jun 12, 2023 · N531AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2023061243557Access Panel · leakingFUEL LEAKING FROM # 1 TANK ( LEFT WING ) FROM # 5 INBOARD FUEL TANK ACCESS ENTRY PANEL ( FUEL STICK # 3 PANEL ). GROUNDED - YES. REMOVED AND REPLACED L/H WING FUEL TANK PANEL 532CB REF B737-800 AMM 28-11-11. LEAK CHECK, NO LEAK NOTED.Jun 12, 2023 · N569AS · Boeing 737890 · Wing, Plate/SkinSDR ASAA2023061143563Pump · inoperativeTO IN SAN - NORMAL N1 SHOULD OF BEEN 94.6. ON ROLL NOTED N1 ON #1 WAS 89.0, PUSHED UP LEFT N1 W/ MINIMAL RESPONSE. ON CLIMB LEFT N1 WENT TO 5.0 LESS THAN #2. N2'S WERE ABOUT THE SAME. ON CLIMB THROUGH 5000 LEFT N1 WAS 8-9% LESS THAN RIGHT N1. N1 & N2 WERE NORMJun 11, 2023 · N517AS · Boeing 737890 · Engine Fuel Pump
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