Boeing 737-890

Service difficulty reports · 23,038

Newest first. General aviation reporting is voluntary.

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 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 ASAA2023030342342Support Angle · corrodedUPON REMOVAL OF AFT PIT DOOR SURROUND FWD SHIELD, FOUND SUPPORT ANGLE TO BE CORRODED.TIPR833K. GROUNDED - YES. REMOVED CORROSION FROM THE AFT PIT DOOR SURROUND ANGLE PER B737-800 SRM 53-60-15-1A-1.2.A. ORIG THICKNESS IS .050" PER B737-800 SRM 53-60-15-0I-1 TABMar 3, 2023 · N587AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2023030342190Actuator · faultedON DESCENT CHECK RECALL CHECK, RIGHT PACK LIGHT ILLUMINATED CLEARS ON RESET. GROUNDED - YES. REF B737-800 FIM 21-62 TASK 801, RH PACK CONTROLLER FAULT REVIEW RESULTS IN RAM AIR ACTUATOR FAULT ON PREVIOUS FLIGHT. REMOVED & REPLACED RAM AIR INLET ACTUATOR REF B7Mar 3, 2023 · N534AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023030342197Drive Unit · inoperativePWS FAIL ON ND. GROUNDED - YES. INITIAL EVALUATION FOUND WEATHER RADAR RT BLOWER FAN SEIZED. REMOVED & REPLACED WEATHER RADAR RT BLOWER MOUNT ASSY REF B737-800 AMM 34-43-51 & WEATHER RADAR RT REF AMM 34-43-41. OPS CHECK FAILED, 'PWS FAIL' AND 'WXR FAIL ANT' DIMar 3, 2023 · N514AS · Boeing 737890 · Navigation SystemSDR ASAA2023030342196Probe · faultyR ELEV PITOT CAUTION LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED RIGHT ELEVATOR PITOT PROBE, REF B737-800 AMM 27-31-94/401.Mar 3, 2023 · N579AS · Boeing 737890 · Pitot/Static Anti-Ice SystemSDR ASAA2023030342193Brake Assy · faultyAFTER ENGINE START-UP, UPON PUTTING POWER TO BOTH ENGS, #2 ENG SHOWED "ENG FAIL" OVER EGT INDICATOR. GROUNDED - YES. ACCOMP #2 ENG EEC BITE PER B737-800 AMM 71-00-00. NO FAULTS LOGGED INTO COMPUTER. ACCOMP B737-800 FIM 73-05 TASK 805, EEC INPUT MONITORING-NO FMar 3, 2023 · N558AS · Boeing 737890 · Engine ControlsSDR ASAA2023030342175Unknown · unknownL-1 WINDOW HEAT INOP. GROUNDED - YES. FOUND C/B FOR L-1 WINDOW HEAT OUT ON P6-11 PANEL. NO HISTORY-INSPECTED WIRING CIRCUIT-NORMAL,REF B737-800 WDM 30-41-11-6RESET C/B REF MM 20-60-01L-1 WINDOW HEAT OPS NORMAL. REF B737-800 AMM 30-41-0OK FOR SERVICE, GRD VERIFMar 3, 2023 · N508AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA2023030342169Valve · faultyCONT CAB ZONE TEMP ILLUMINATED UPON MASTER CAUTION RECALL EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED CABIN ITEM CONTROL VALVE AND OPS CHECK NORMAL REF B737-800 AMM 21-61-21/401.Mar 3, 2023 · N570AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023030242165Unknown · unknownLEFT PACK LIGHT ILLUMINATED ON RECALL & RESETS, EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. C/W FIM. CONFIRMED L PACK LIGHT ILLUMINATED DURING MASTER CAUTION RECALL IS PUSHED & RESETS WHEN MASTER CAUTION PUSHED. LT PACK TEMP CONTLR BITE, RAM AIR ACT Mar 2, 2023 · N590AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023030242170Unknown · unknownAFTER ENGINE START, MASTER CAUTION ON RECALL, LEFT PACK LIGHT REMAINS ON BUT RESETS - EXTINGUISHES WITH RECALL. GROUNDED - YES. ACCOMPLISHED PZTC BITE FOR L/H PACK REF AMM 21-61-00. BITE TEST GOOD. PREV FLT SHOWED L/H RAM AIR ACTUATOR FAULT. NO OTHER DEFECTS NMar 2, 2023 · N518AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023030242166Actuator · faultyLEFT PACK LIGHT ILLUMINATED W/RECALL EX RESET W/MASTER CAUTION MEL 21-32B. GROUNDED - YES. PERFORMED PACK TEMP CONTROL BITE PROCEDURE AND FOUND A FAULT ON THE LEFT RAM AIR INLET ACTUATOR REF B737-800 FIM 21-62 TASK 801. REMOVED AND REPLACED LEFT RAM AIR ACTUATMar 2, 2023 · N562AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023030242164Heat Exchanger · faultedRH PACK EXCESSIVE TEMP IN FLIGHT, LH-RH PACK BAY NEEDS INSPECTION FOR POSSIBLE BLEED OR PACK LEAKS. GROUNDED - YES. PERFORMED BITE TEST OF R/H PACK TEMPERATURE CONTROLER (M14437) AND TORQUE CHECK OF THE RH PACK ACM REF B737-800 FIM 21-62 TASK 849. BITE TEST REMar 2, 2023 · N532AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023030242144Engine · worn#1 ENG SN 804679 HPC STAGE 3 STATOR INNER HONEYCOMB SEAL AFT J-HOOK AT 12 O'CLOCK WORN OUT OF LIMITS. 008" REMAINING MATERIAL AND MOVE THAN HALF ONE SHROUD LENGTH LONG. REF ASA TC SBCFM56-7B-72-1074-1. GROUNDED - YES. REMOVED ESN 804679. REF ASA SHOP W/O # 194Mar 2, 2023 · N534AS · Boeing 737890 · Turbine Engine Compressor SectionSDR ASAA2023030242143Engine · worn#2 ENG SN 804685 HPC STAGE 3 STATOR INNER HONEYCOMB SEAL AFT J-HOOK AT 12 O'CLOCK IS COMPLETELY WORN THROUGH THE MATERIAL REF TC SBCFM56-7B-72-1094-1. GROUNDED - YES. REMOVED ESN 804685. REF ASA SHOP W/O # 1944793.Mar 2, 2023 · N534AS · Boeing 737890 · Turbine Engine Compressor SectionSDR ASAA2023030242140Antenna · failedWX RADAR FAIL ANNUNCIATED AND DID NOT OPERATE. GROUNDED - YES. REMOVED & REPLACED WEATHER RADAR ANTENNA DRIVE UNIT REF B737-800 AMM 34-43-11. OPS CK OF WEATHER RADAR & PWS SYSTEM GOOD.Mar 2, 2023 · N514AS · Boeing 737890 · Independent Position Determining SystemSDR ASAA2023030142527Floorbeam · corrodedMAIN CABIN, STA 344, LBL 10+-, CORROSION AROUND FASTENER HOLE. GROUNDED - YES. EVALUATED AND REMOVED CORROSION IAW B737-900 SRM 53-10-51-01-2 AND B737-800 SRM 53-10-51-1A-1. ORIGINAL T. .175", REMOVED .085", REMAINING .090", FOUND TO BE OUT OF LIMITS IAW B737Mar 1, 2023 · N587AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2023030142377Support · corrodedAFT WET AREA RIGHT HAND SIDE @ STATION 992 +/- BL31 GALLEY SUPPORT INTERCOSTAL CORRODED. DOT: N713. GROUNDED - YES. REMOVED CORROSION. 100% MATERIAL LOSS, OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1 FIG 104. REMOVED SUPPORT ANGLE IAW B737-800 SRM 51-40-02. DRMar 1, 2023 · N587AS · Boeing 737890 · Fuselage Main, StructureSDR ASAA2023030142341Strap · corrodedMAIN CABIN, STA 298+-, RBL 54, MOP SILL HAS CORROSION.DOT: N565. GROUNDED - YES. REMOVED CORROSION IAW B737-800 SRM 51-10-02.ORIGINAL THICKNESS 0.063, REMOVED 0.014, REMAINING THICKNESS 0.049. FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-10-15-1A-2 DETAIL D. Mar 1, 2023 · N587AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2023030142270Panel · crackedMAIN CABIN FLOOR SUPPORT STRUCTURE IS CRACKED AT STA 540 APPROX RBL 1. GROUNDED - YES. REMOVED CRACKED FLOOR SUPPORT / BREAK PNL ASSY IAW B737-800 SRM 51-40-02. DRILLED TO FIT NEW FLOOR SUPPORT/ BREAK PNL ASSY IAW B737-800 SRM 51-40-05 AND BAC DWG 143A0060 REVMar 1, 2023 · N587AS · Boeing 737890 · Fuselage Main, StructureSDR ASAA2023030142269Panel · crackedMAIN CABIN FLOR SUPPORT STRUCTURE IS CRACKED AT STA 540 APPROX LBL1. GROUNDED - YES. REMVOED CRACKED FLOOR SUPPORT /BREAK PNL ASSY IAW B737-800 SRM 51-40-02DRILLED TO FIX NEW FLOOR SUPPORT /BREAK PNL ASSY IAW B737-800 ARM 51-40-05 AND BAC DWG 143A0060 REV A.Mar 1, 2023 · N587AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2023030142147Unknown · unknownFLIGHT DECK DOOR HAS TROUBLE CLOSING AND STAYING LOCKED. GROUNDED - YES. FLIGHT DECK DOOR OPS CKS NORMAL IAW B737-800 AMM 52-51-01.Mar 1, 2023 · N553AS · Boeing 737890 · Passenger/Crew DoorsSDR ASAA2023030142142None · none#1 ENGINE FRONT SPINNER HAS EXCESSIVE PAINT MISSING REF ASA T/C 78472010. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE FRONT SPINNER CONE REF ASA T/C 78472010.Mar 1, 2023 · N537AS · Boeing 737890 · Turbine Engine Air Inlet SectionSDR ASAA2023030142141Blade · none#1 FAN BLADE FAILED INSPECTION DUE TO SHIM WEAR REF ASA T/C 78472010. GROUNDED - YES. REMOVED AND REPLACED BOTH #1 & #13 FAN BLADES REF ASA T/C 78472010.Mar 1, 2023 · N537AS · Boeing 737890 · Turbine Engine Air Inlet SectionSDR ASAA2023030142138Switch · faultyAFT LEFT FUEL BOOST PUMP LOW PRESSURE LIGHT DOES NOT ILLUMINATE WITH PUMP SWITCH OFF BULB IS GOOD. GROUNDED - YES. REMOVED & REPLACED AFT LH FUEL BOOST PUMP PRESS SW IAW B737-800 AMM 28-42-11.Mar 1, 2023 · N513AS · Boeing 737890 · Fuel Indicating SystemSDR ASAA2023022842340Shield · corrodedAFT PIT DOOR SURROUND FWD SHIELD HAS CORROSION.TIPR833K. GROUNDED - YES. REMOVED CORROSION FROM THE AFT PIT DOOR SURROUND FWD SHIELD PER B737-800 SRM 53-60-15-1A-1.2.A. ORIG THICKNESS IS .050" PER B737-800 SRM 53-60-15-0I-1 TABLE 4. REMOVED .020", REMAINING THFeb 28, 2023 · N587AS · Boeing 737890 · Fuselage Miscellaneous StructureSDR ASAA2023022842334Intercostal · crackedFWD CARGO R/H BAFFLE @ STA 500G-500H HAS CRACKED CORNER. GROUNDED - YES. REMOVED DAMAGED R/H BAFFLE @ STA 500G TO 500H DRILLED AND LOCATED NEW BAFFLE ASSEMBLY @ STA 500G TO 500H IAW B737-800 SRM 51-40-02 AND DWG # 147A7505INSTALLED NEW BAFFLE ASSEMBLY @STA 500Feb 28, 2023 · N581AS · Boeing 737890 · Fuselage Main, Plate/SkinSDR ASAA2023022842168Valve · failedON MASTER RECALL CONT CAB ZONE TEMP LIGHT ILLUMINATED. GROUNDED - YES. CONFIRMED FAULT, CONT CAB ZONE TEMP LIGHT ILLUMINATES WHEN RECALLED. PACK/ZONE TEMP CONTROLLER SHOWS HARD FAIL FLIGHT DECK TCV (V143). REMOVED & REPLACED TCV REF B737-800 AMM 21-61-21.Feb 28, 2023 · N530AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023022842167Unknown · unknownON RECALL, OBSERVED AMBER " ZONE TEMP" ON CONT CABIN. GROUNDED - YES. ZONE TEMP CONT-2 SHOWS FLT DECK TRIM VALVE ON BIT & PREV FLT, GREEN GO FOR VERIFY, MSG REST. RAN PACKS RE-CONFIRM BITE, OPS NML NO HISTORY PAST 30 DAYS.Feb 28, 2023 · N566AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023022842120Connector · shortedASA TECH SERVICES FOLLOW-UP TO TANK 1 AFT BOOST PUMP LOW PRESSURE LIGHT ILLUMINATED WITH GFI RELAY R18 TRIPPED. GROUNDED - YES. WIRE SHORTED AT BOOST PUMP CONNECTOR. WIRE RUN REPLACED AND CONNECTOR REPLACED REF B737-800 WDM 28-23-11. (REF ASA LOG PAGE 60504054Feb 28, 2023 · N569AS · Boeing 737890 · Aircraft Fuel Distribution SystemSDR ASAA2023022842119Idg · failedAFTER START GEN 2 WOULD NOT CONNECT TO TRANSFER BUS. GROUNDED - YES. REMOVED AND REPLACED #2 ENG IDG REF B737-800 AMM 24-11-11.Feb 28, 2023 · N516AS · Boeing 737890 · Alternator-Generator DriveSDR ASAA2023022842117Control Panel · defectiveTHERE IS A PIXEL TYPE CHARACTER ON THE MCP VERT SPEED WINDOW THAT WILL NOT GO AWAY. GROUNDED - YES. VERIFIED DEFECT. REMOVED AND REPLACED DFCS MCP IAW B737-800 AMM 22-11-34-000/400-801.Feb 28, 2023 · N590AS · Boeing 737890 · Autopilot SystemSDR ASAA2023022842103Unknown · unknownPACK LIGHT ILLUMINATED ON RECALL EXTINGUISHES W/ MASTER CAUTION RESET. GROUNDED - YES. PERFORMED ZONE TEMP CONTROLLER BITE TEST, FOUND CONTROLLER #1 RAM AIR ACT FAULT. FOUND FAULT ON PREVIOUS FLIGHT, FAULT CONSIDERED INTERMITTENT, REPEATED TEST, BITE PASSES ONFeb 28, 2023 · N579AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023022742333Intercostal · crackedFWD PIT, INTERCOSTAL HAS 1 EACH MIS DRILLED HOLE AT FWD UPPER FLANGE APPROX BS 500D RBL-24. MARKED. GROUNDED - YES. REMOVED DAMAGE FROM BAFFLE FOUND DAMAGE TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2.REMOVED INTERCOSTAL @ APPROX 500D RBL -24 IAW B737-80Feb 27, 2023 · N581AS · Boeing 737890 · Fuselage Main, StructureSDR ASAA2023022742192Sensor · faultyACCOMPLISHING ASA T/C 78273000 FOUND #2 ENGINE FAULT CODE 79-21092 THE ENGINE OIL PRESSURE SIGNAL (PEO) IS OUT OF RANGE, SHORT TIME FAULT. GROUNDED - YES. REMOVED AND REPLACED THE OIL PRESSURE SENSOR. REF B737-800 AMM 79-32-01.Feb 27, 2023 · N562AS · Boeing 737890 · Engine Oil Indicating SystemSDR ASAA2023022742136Modulating Valve · faultedSINGLE CHANNEL FAULT CONTG CAB RESET WITH MASTER CAUTION. GROUNDED - YES. REF B737-800 AMM 21-61-21 REMOVED AND REPLACED LEFT PACK TRIM AIR VALVE.Feb 27, 2023 · N584AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023022742112Unknown · unknownLEFT PACK LIGHT ILLUMINATED ON RECALL. GROUNDED - YES. PERFORMED LEFT PACK TEMP CONT. BITE PROCEDURE PER B737-800 FIM 21-62 TASK 801. OPS CHECK GOOD NO FAULT LIGHT NOTED ON CONTROL BOX AND FLIGHT DECK.Feb 27, 2023 · N590AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023022742107Unknown · unknownL1 DOOR DIFFICULT TO OPEN, WITH RESISTANCE. GROUNDED - YES. CLEARED DEBRIS FROM L1 DOOR HINGES, OPS CHECK GOOD PER B737-800 AMM 52-11-00/601.Feb 27, 2023 · N525AS · Boeing 737890 · Passenger/Crew DoorsSDR ASAA2023022742105Unknown · unknownON DESCENT THRU 18,000 DURING RECALL RIGHT PACK LIGHT ILLUMINATED. RAN QRH PACK LIGHT EXTINGUISHED THEN RE-ILLUMINATED. GROUNDED - YES. PERFORMED BITE REF B737-800 AMM 21-61-00-700-806-002 RAM ACT FAULT ON PREV FLT VERIFY TEST PASS RESET FAULT. FAULT INTERMITTFeb 27, 2023 · N534AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023022642115Actuator · faultedON RECALL LEFT PACK LIGHT ILLUMINATES. CLEARS WHEN RESET. GROUNDED - YES. BITE SHOWS LEFT RAM ACT FAULT. REMOVED AND REPLACED THE L/H RAM AIR INLET ACTUATOR. REF B737-800 AMM 21-51-21. OPS CHECK NORMAL.Feb 26, 2023 · N537AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023022642110Unknown · unknownCONT CAB ZONE TEMP LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED PACK TEMP CONTROL BITE REF B737-800 FIM 21-62 TASK 801. FOUND "FLT DECK TRIM VALVE" FAULTING ON M1443 COMPUTER. PERFORMED PACK/ZONE CON "R" FOR FLIGHT DECK TRIM VALVE FAULT REF FIM 21-62 TASK 832.Feb 26, 2023 · N594AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023022642096Actuator · faultyL PACK LIGHT ILLUMINATED IN FLIGHT. CLEARS ON RESET RETURNS ON RECALL. GROUNDED - YES. REMOVED AND INSTALLED NEW L RAM AIR INLET ACTUATOR PER B737-800 AMM 21-51-21/401, OPS NORMAL. NO FAULTS.Feb 26, 2023 · N517AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023022642104Unknown · unknownZONE TEMP FOR CONT CAB ILLUMINATED DURING MASTER CAUTION RECALL. ZONE TEMP LT EXTINGUISHES WITH MASTER CAUTION RESET. RAN QRH. CALLED MX CONTROL PERFORMED ENROUTE MEL. GROUNDED - YES. VERIFIED CONT CAB TEMP LIGHT ILLUMINATED ON RECALL. BITE OF ZONE TEMP CONTROFeb 26, 2023 · N568AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023022642079Unknown · unknownFO ND MAP - NO RWY DATA. CIRCUIT BREAKER RESET WITH MX CONTROL SUCCESSFUL. GROUNDED - YES. REFERENCE B737-800 FIM 34-61 TASK 836, FMC RESET PERFORMED FMC OPS NORMAL.Feb 26, 2023 · N562AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2023022542253Lubrication Unit · leaking#1 ENGINE OIL TREND DATA SHOWS OIL CONSUMPTION TO GREATER THAN EXPECTED. ENGINE POWER RUN REQUIRED. GROUNDED - YES. FOUND DRIVE PAD COVER LEAKING. REMOVED AND REPLACED DRIVE PAD O-RING REF B737-800 AMM 72-63-01. FOUND EXCESSIVE OIL IN EXHAUST PLUG. A/C HISTORYFeb 25, 2023 · N529AS · Boeing 737890 · Turbine Engine Accessory DriveSDR ASAA2023022542098Lens · missingF.A FOUND RIGHT HAND FORWARD OVERWING EMERGENCY EGRESS PLACARD LIGHT COVER MISSING. GROUNDED - YES. INSTALLED NEW EXIT SIGN LIGHT COVER LENS. LIGHT IS OKAY FOR SERVICE.Feb 25, 2023 · N586AS · Boeing 737890 · Emergency LightingSDR ASAA2023022542060Unknown · unknownLEFT PACK LIGHT ILLUMINATES ON RECALL. GROUNDED - YES. PERFORMED BITE CHECK FOUND ACTUATOR FAULT ON PREVIOUS LEG FAULT CLEARED. RAN BITE SEVERAL MORE TIMES FAULT NO LONGER PRESENT SUSPECT INTERMITTENT.Feb 25, 2023 · N517AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2023022442058Controller · faultyCONTROL CABIN ZONE TEMP LT ILLUMINATES ON MC RECALL. GROUNDED - YES. REMOVED AND REPLACED #2 PACK ZONE TEMP CONTROLLER REF B737-800 AMM 21-61-20.Feb 24, 2023 · N508AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023022342087Igniter · faulty#1 ENGINE WOULD NOT START WITH IGN 1, BUT STARTED NORMALLY WITH IGN 2. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE LEFT AND RIGHT IGNITER PLUGS REF ASA T/C N8474000.Feb 23, 2023 · N516AS · Boeing 737890 · Ignition Harness (Distribution)SDR ASAA2023022342065Idg · leaking#1 ENGINE LEAKING HYDRALIC FLUID. GROUNDED - YES. PERFORMED #1 ENGINE IDG OIL SYSTEM STATIC LEAK PER B737-800 AMM 24-11-00. FOUND LEAK AT PORT DIRECTLY BELOW DISCONNECT RING. #1 IDG REMOVED & REPLACED PER AMM 24-11-11.Feb 23, 2023 · N593AS · Boeing 737890 · Alternator-Generator DriveSDR ASAA2023022342059Valve · faultyCONT ZONE TEMP CAUTION LIGHT ILLUMINATED DURING INITIAL CLIMB PERFORMED QRH LIGHT ILLUMINATED DURING MASTER CAUTION RECALL. GROUNDED - YES. REMOVED AND REPLACED CONTROL ZONE TEMP MODULATING VALVE PER B737-800 AMM 21-61-21/401.Feb 23, 2023 · N534AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2023022342050Flange · cracked#1 ENG AFT FLANGE ASSY HAS CRACKS AROUND BOLT HOLES. GROUNDED - YES. REPLACED #1 ENG AFT FLANGE ASSY. REF B737-800 AMM 72-56-00. NO OTHER DEFECTS NOTED.Feb 23, 2023 · N562AS · Boeing 737890 · Turbine Section
Back to Boeing 737-890