N472AS

Service difficulty reports · 211

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 = 'N472AS' 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 ASAA2022082139596Harness · damagedON THE #1 ENG, DP1204 CONNECTOR LOOSE AND THREADS DAMAGED. GROUNDED - YES. REMOVED AND REPLACED MW0312 HARNESS REF B737-900 AMM 71-51-03/401.Aug 21, 2022 · N472AS · Boeing 737 · Powerplant SystemSDR ASAA2022082139578Engine · leaking#1 ENGINE OIL TREND DATA SHOWS OIL CONSUMPTION HIGHER THAN EXPECTED. ENGINE POWER RUN REQUIRED. GROUNDED - YES. ACCOMPLISHED TSR STEPS 1 THROUGH 4, 6, AND 8. NUMEROUS LEAKS IDENTIFIED. FUEL PUMP, IDG, AND STARTER/N2 ROTOR DRIVE PAD DRAIN LINES LEAKING OIL. STAAug 21, 2022 · N472AS · Boeing 737990ER · Turbine Engine Accessory DriveSDR ASAA2022081539522Packing · loose#2 ENGINE OIL CAP O-RING CAME OFF DURING ENGINE OIL SERVICE. GROUNDED - YES. REPLACED #2 ENGINE OIL CAP O-RING OK FOR SERVICE. REF B737-900 AMM 79-11-01-300-801-F00.Aug 15, 2022 · N472AS · Boeing 737990ER · Engine Oil Storage (Airframe Furnished)SDR ASAA2022070939019Fuel Heater · leaking#2 ENG SERVO FUEL HEATER SHOWS SIGNS OF LEAK. GROUNDED - YES. REMOVED #2 ENG SERVO FUEL HEATER REF ASA T/C N8473002. INSTALLED #2 ENG SERVO FUEL HEATER REF T/C 8473003 ETOPS GROUND VERIFICATION SUCCESSFUL.Jul 9, 2022 · N472AS · Boeing 737990ER · Engine Fuel DistributionSDR ASAA2022070939018Exchanger · defective#2 ENG MAIN OIL/FUEL HEAT EXCHANGER FAILED RUN ON TORQUE CHECK FOR FUEL TUBE ATTACH BOLTS. GROUNDED - YES. REMOVED MAIN OIL/FUEL HEAT EXCHANGER REF ASA T/C N8473002 INSTALLED MAIN OIL/FUEL HEAT EXCHANGER REF ASA T/C N8473003 ETOPS GROUND VERIFICATION SUCCESSFUJul 9, 2022 · N472AS · Boeing 737990ER · Engine Oil Distribution (Airframe Furnished)SDR ASAA2022070939017Pump · damagedDURING REPLACEMENT OF #2 ENG HMU FOR DEFECT ASA 60490410, FOUND FUEL PUMP PAD BETWEEN HMU & PUMP TO HAVE DAMAGE. GROUNDED - YES. REMOVED #2 ENG FUEL PUMP REF ASA T/C N8473002. INSTALLED #2 ENG FUEL PUMP REF. ASA T/C N8473003 ETOPS GROUND VERIFICATION SUCCESSFUJul 9, 2022 · N472AS · Boeing 737990ER · Engine Fuel DistributionSDR ASAA2022052838486Apu · noisyBOTH "B" AND "C" FA'S REPORTED UNUSAL BANG AFTER COMPLETION OF PUSHBACK BOTH FELT IT IN THEIR SEATS NEITHER THE "A OR "D" FOWARD GALLEY FELT ANYTHING. GROUNDED - YES. SUSPECT APU EXHAUST BACKFIRE DURING APU SHUTDOWN OBSERVED APU SHUTDOWN, COOL-DOWN AND RE-STARMay 28, 2022 · N472AS · Boeing 737990ER · APU Exhaust SystemSDR ASAA2022041938072Doubler · crackedEXTERNAL POWER DOOR, LOWER CUT-OUT HAS CRACK AT FASTENER. GROUNDED - YES. TRIMMED OUT DAMAGE AREA OF ELECTRICAL GROUND POWER RECEPTACLE SURROUND DOUBLER REF B737-900 SRM 53-10-15. ACCOMPLISHED HFEC IN AREA OF TRIMMED OUT DAMAGE IAW BOEING NDT MANUAL PART 6, 51Apr 19, 2022 · N472AS · Boeing 737990ER · Fuselage Main, StructureSDR ASAA2022041738058Unknown · unknownLEFT SIDE WINDOW OVERHEAT LIGHT GROUNDED - YES. RAN QRH AND OVHT LIGHT STAYED EXTINGUISHED. REF ASA 737NG QRH.Apr 17, 2022 · N472AS · Boeing 737 · Windshield/Door Rain/Ice RemovalSDR ASAA2022041738057Unknown · failedON APPROACH THE LEFT SIDE WINDOW OVHT ILLUMINATED RAN QRH AND ILLUMINATED AGAIN. GROUNDED - YES. REMOVED AND REPLACED LEFT SLIDING WINDOW PER B737-900 AMM 56-12-11-000-801, OPS CHECK NORMAL.Apr 17, 2022 · N472AS · Boeing 737 · Windshield/Door Rain/Ice RemovalSDR ASAA2022032137745Unknown · unknownON SHORT FINAL APP TO SEA BOTH FMC WENT BLANK BOTH ACARS RESET CAPTAINS CLOCK WENT BLANK. GROUNDED - YES. LEFT HAND FMC LOGGED 'PGM FAULT' LAST LEG, NO OTHER FAULTS LOGGED. ACCOMP B737-900 FIM 34-61 TASK 807, CKS GOOD. BOTH FMC'S OPS CK NML PER B737-900 AMM 34Mar 21, 2022 · N472AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2022031737715Unknown · unknownL2 WINDOW OVRHT ILLUMINATED IN FLIGHT. FOLLOWED QRH, LIGHT REMAINED OFF FOR DURATION OF FLIGHT. UNTIL 500' WHEN LIGHT CAME ON AGAIN. GROUNDED - YES. UPON ARRIVAL TO A/C LIGHT WAS NOT ILLUMINATED.Mar 17, 2022 · N472AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022030937675Windshield · crackedLEFT FWD CAPT WINDOW HEAT FAILED WHICH CAUSED THE WINDSHIELD TO CRACK. GROUNDED - YES. DIVERSION TIME 41 MINUTES - R/R CAPT WINDOW IAW B737-900 AMM 56-11-11, R/R WINDOW CONTROL UNIT LEFT IAW AMM 30-41-00,PERFORMED OPS TEST OF WINDOW HEAT SYSTEM, OPS TEST OK IAMar 9, 2022 · N472AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022022537572Unknown · unknownFA REPORTS R1 DOOR IS HARD TO CLOSE AND GIRT BAR ASSEMBLY NEED INSPECTION. GROUNDED - YES. INSPECTED R1 DOOR SURROUNDING FOUND PIECE OF GLASS IN DOOR WAY INSPECTED SEAL. FOUND NO DAMAGE. PERFORMED OPS CHECK OF DOOR CLOSER. NO DEFECTS NOTED A/C OK FOR SERVICE. Feb 25, 2022 · N472AS · Boeing 737990ER · Passenger/Crew DoorsSDR ASAA2022022037505Sliding Window · inoperativeRIGHT SIDE WINDSHIELD OVERHEAT LIGHT ILLUMINATED. ILLUMINATED AGAIN AFTER FOLLOWING QRH PROCEDURE. GROUNDED - YES. RIGHT SIDE OPENABLE WINDOW REPLACED REF B737-900 AMM 56-12-11. OPS CHECK GOOD. LEAK CHECK GOOD.Feb 20, 2022 · N472AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022022037504Unknown · unknownAFTER LANDING LEFT SIDE WINDOW HEAT OVERHEAT LT ILLUMINATED. GROUNDED - YES. FOLLOWED QRH PROCEDURE AND LT REMAINED EXTINGUISHED.Feb 20, 2022 · N472AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022021437435Unknown · unknownR2 WINDOW OVERHEAT LIGHT ILLUMINATED IN FLIGHT, RAN THE QRH CHECKLIST AND THE OVERHEAT LIGHT REMAINED ON. THE SWITCH WAS THEN TURNED OFF AND OVERHEAT LIGHT EXTINGUISHED FOR THE REMAINDER OF THE FLIGHT. GROUNDED - YES. UNABLE TO DUPLICATE/VERIFY DISCREP. OPS CHFeb 14, 2022 · N472AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022021337421Unknown · unknownRT SIDE WINDSHIELD HEAT OVERHEAT GROUNDED - YES. UPON RESET STAYED EXTINGUISHED.Feb 13, 2022 · N472AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2022021137398Unknown · unknownRIGHT SIDE WINDOW "OVERHEAT" LIGHT ILLUMINATED. GROUNDED - YES. RIGHT SIDE WINDOW "OVERHEAT" LIGHT ILLUMINATED. RAN APPROPRIATE QRH. UPON RESETTING RIGHT SIDE WINDOW SWITCH, "OVERHEAT" LIGHT EXTINGUISHED. FLIGHT CONTINUED NORMALLY.Feb 11, 2022 · N472AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021121236881Actuator · leaking#2 ENGINE RIGHT VBV DRAIN DRIPPING FUEL. GROUNDED - YES. PERFORMED VENTS AND DRAINS INSPECTION PER B737-900 AMM 71-00-00 (TWICE). #2 ENGINE RIGHT VBV LEAKS @ A RATE OF 20 DPM. REMOVED AND REPLACED RIGHT VBV ACTUATOR ON THE #2 ENG REF AMM 75-32-02/401. OPS AND Dec 12, 2021 · N472AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2021121236880Actuator · leaking#2 ENGINE RIGHT VSV DRAIN DRIPPING FUEL. GROUNDED - YES. PERFORMED VENTS AND DRAINS INSPECTION PER B737-900 AMM 71-00-00 (TWICE). #2 ENGINE RIGHT VSV LEAKS @ A RATE OF 20 DPM. REMOVED AND REPLACED RIGHT VSV ACTUATOR OF ENG #2 REF AMM 75-31-01/401. OPS AND LEAKDec 12, 2021 · N472AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2021121236879Actuator · leaking#2 ENGINE LEFT VSV DRAIN DRIPPING FUEL. GROUNDED - YES. PERFORMED VENTS AND DRAINS INSPECTION PER B737-900 AMM 71-00-00 (TWICE). #2 ENGINE LEFT VSV LEAKS @ A RATE OF 6 DPM. REMOVED AND REPLACED L/H VSV REF B737-900 AMM 75-31-01/401. OPS AND LEAK CHECK GOOD.Dec 12, 2021 · N472AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2021120836842Unknown · unknownRIGHT SIDE OVERHEAT ILLUMINATES DURING FLIGHT, THEN EXTINGUISHED AFTER BEING RESET. GROUNDED - YES. RIGHT SIDE WINDOW HEAT OPS CHECK GOOD IAW B737-900 AMM 30-41-00.Dec 8, 2021 · N472AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021102336392None · wornWHILE PERFORMING T/C 78472000 ENGINE INLET AND FAN BLADE DETAILED INSPECTION FOUND INTERSECTION MANIFOLD DUCT SUPPORT LINK WORN TO POINT OF BALL ON ENGINE END HAS FALLEN OUT OF LINK. GROUNDED - YES. REPLACED INTERSECTION MANIFOLD DUCT SUPPORT PER POWERPLANT BUOct 23, 2021 · N472AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2021102036353Module · noneREF T/C N8225013 INFLATABLE SEA RESTRAINT SYSTEM ROW 1 R/H (D,F) AIRBAGS DEPLOYED. GROUNDED - YES. REMOVED AND REPLACED SEAT ROW 1 D/F REF CMM 25-26-04.Oct 20, 2021 · N472AS · Boeing 737990ER · Emergency EquipmentSDR ASAA2021082635794Lead · damaged#2 ENGINE, LEFT IGNITION LEAD, BRAIDED CONDUIT DAMAGED, BRAID DAMAGED. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE LEFT IGNITION LEAD PER MM 74-21-01.Aug 26, 2021 · N472AS · Boeing 737990ER · Ignition System WiringSDR ASAA2021072135465Control Panel · lockedREPEAT WRITE UP. ON DESCENT INTO KSAN, MODE CONTROL PANEL LOCKED UP. STARTED QRH. USE CAPTAINS EMERGENCY AUTH TO DISCONTINUE QRH BELOW 10000 FEET. WEATHER AT DEST, KSAN VFR. CONTROL PANEL INDICATED 50,000 FEET SOME OF WINDOW. COURSE, IAS/ MACH, HEADING WORKED.Jul 21, 2021 · N472AS · Boeing 737990ER · Autopilot SystemSDR ASAA2021072035460Control Panel · inoperativeON DESCENT CLEARANCE FROM 270 TO 13000 WHEN WE DIALED 13000 IN THE ALTITUDE WINDOW IT SHOWED 50000 AND WOULD NOT CHANGE UNTIL WE DESELECTED A/P AND CYCLED F/G'S ON AND OFF. GROUNDED - YES. TASK CARD COMPLIED WITH REMOVED AND REPLACED DFCS MODE CONTROL PANEL PEJul 20, 2021 · N472AS · Boeing 737990ER · Autopilot SystemSDR ASAA2021072035450Warning Message · false activationON INITIAL DESCENT DIALED ALT FROM FL360 TO FL240. ALT WINDOW CHANGED TO FL500 ALONG WITH AURAL/WARNING. CYCLED BOTH FLT DIRECTORS MULTIPLE TIMES BEFORE WINDOW WOULD RESET TO DESIRED ALTITUDE. GROUNDED - YES. PERFORMED DFCS BITE FAULT REVIEW, FOUND MSG "MCP ALJul 20, 2021 · N472AS · Boeing 737990ER · Central WarningSDR ASAA2021071635418Control Panel · inoperativeMCP VERTICAL SPEED WINDOW PIXELS INOP. GROUNDED - YES. REMOVED FLT CREW PLACARD AND VERIFIED DEFECT. REPLACED DFCS CONTROL PANEL REF B737-900 AMM 22-11-34-401. 9 C/B PULLED+ COLLARED AND RESET REF AMM. OPS TEST PASS. VERTICAL SPEED WINDOW RESTORED. THIS TASK CJul 16, 2021 · N472AS · Boeing 737990ER · Autopilot SystemSDR ASAA2021071035344Control Panel · inoperativeFIRST OFFICERS DISPLAY NOT INDICATING PROPERLY IN AUTO MODE. BOTH DISPLAYS IN AUTO MODE AND SUDDENLY FO'S DISPLAY INDICATED HEAVY RETURNS IN WX AND WX+T. CAPTAINS DISPLAY INDICATED NOTHING. CLEAR OF ANY WEATHER. ATTEMPTED TO DE-SELECT AND RE-SELECT WX ON FO'S Jul 10, 2021 · N472AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2021070235239Radar · faultedRADAR DOES NOT WORK PROPERLY IN "AUTO" MODE. ERRONEOUS INFORMATION DISPLAYED ON FIRST OFFICER SIDE WHEN WX OR WX+T SELECTED. NO PRECIPITATION DISPLAYED ON EITHER SIDE WHEN FLYING THROUGH A RAIN SQUALL. GROUNDED - YES. RESET SYSTEM, GROUND FUNCTIONAL CHECK GOODJul 2, 2021 · N472AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2021051534824Pressure Switch · faultedDURING CRUISE FLIGHT, #1 ENG FUEL FILTER BYPASS LIGHT ILLUMINATED. GROUNDED - YES. PER SEAMC R/R FUEL FILTER REF B737-900 AMM 73-11-02, NO LEAKS NOTED, FILTER BYPASS ILLUMINATED DURING ENGINE RUN. PERFORMED B737-900 FIM 73-05 TASK 801 FOUND FILTER BYPASS STATUMay 15, 2021 · N472AS · Boeing 737990ER · Fuel Pressure IndicatingSDR ASAA2021050534753Sensor · miswiredWINDOW HEAT LEFT/SIDE WINDOW OVRHEAT. QRH 3.6 OVERHEAT DID NOT GO OUT. GROUNDED - YES. ACCOMPLISHED B737-900 AMM TASK 30-41-00-420-801 AND SWAPPED WIRE TO SPARE SENSOR FROM PRIMARY. ACCOMPLISHED BIT/VERIFY ON WINDOW HEAT CONTROL UNIT AND NO FAULTS WERE FOUND. May 5, 2021 · N472AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2021042734687Display · false indicationHF RADIO #2 DISPLAYS FAIL IN BOTH WINDOWS ON THE RTP. GROUNDED - YES. PERFORMED HF SYSTEM BITE PROCEDURES, NO FAULT FOUND REFERENCE B737-900 FIM 23-11-TASK 801, PERFORMED TRANSCEIVER RESET #2 FAIL, FAIL MSG WENT AWAY. PERFORMED HF OPS TEST, WITH NO DEFECTS NOTApr 27, 2021 · N472AS · Boeing 737990ER · HF Communications SystemSDR ASAA2021040434527Wire Harness · faultedREF DEFECT# 60109263. LH ENGINE EEC FAULT FOUND: 77-10841 THE TOP RIGHT EGT SIGNAL (T495S1) IS OUT OF RANGE. GROUNDED - YES. T495 S1-----, S2-22.33, S3-26-75, S4-66.18. PERFORMED ALT DEACTIVATION. FAULT ACTIVE ON ALL 10 FLIGHT LEGS. PERFORMED EGT SYSTEM INSPECApr 4, 2021 · N472AS · Boeing 737990ER · Engine Fuel System WiringSDR ASAA2021011433876Warning Light · false activationCONT CAB ZONE TEMP LIGHT ILLUMINATED ON MASTER CAUTION RESET. GROUNDED-YES. ACCOMPLISHED B737-900 FIM 21-62 TASK 842. CONT CAB ZONE TEMP LIGHT EXTINGUISHES AND TEST NORMAL, REF 21-62 TASK 801.Jan 14, 2021 · N472AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021010133804Receiver · faultedGPS L & R INVALID AND MESSAGE FOLLOWED BY GPS & IRS LIGHT. IRS LIGHT WENT OUT UPON MASTER CAUTION RECALL. GROUNDED-YES. DIVERSION TIME 52 MINUTES-L & R SIGNAL VALID ON GROUND. ALL FAULTS RESTORED. PER CREW BRIEF BOTH GPS SIGNALS WERE INVALID FOR ABOUT AN Jan 1, 2021 · N472AS · Boeing 737990ER · Dependent Position Determining SystemSDR ASAA2020120133624Warning Message · false activationAFTER START CONT CAB ZONE TEMP ILLUMINATED ON RECALL. EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED-YES. RIGHT PACK/ZONE TEMP CONTROLLER SHOWS FLIGHT DECK TRIM VALVE IN PREVIOUS FLIGHT. ACCOMPLISHED B737-900 FIM 21-62 TASK 832 CONTROL CABIN TRIM VALVE FDec 1, 2020 · N472AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2020110233485Switch · obstructedLANDING GEAR DID NOT RETRACT AFTER TAKEOFF, ACCOMPLISHED GEAR DISAGREE CHECKLIST. GEAR DID NOT RETRACT, THREE RED GEAR LIGHTS AND THREE GREEN GEAR LIGHTS REMAINED ILLUMINATED WHEN GEAR LEVER WAS UP. THREE GREEN (SIX WITH OVERHEAD LIGHTS) GEAR LIGHTS ILLUMINANov 2, 2020 · N472AS · Boeing 737990ER · Landing Gear Retraction/Extension SystemSDR ASAA2020102933443Start Valve · inoperativeAFTER STARTING NR 2 ENGINE, START SWITCH CENTERED. HOWEVER START VALVE OPEN LIGHT REMAINED ILLUMINATED & 3 PACK LIGHTS ON NR 2 ENGINE ALL FLASHED YELLOW. RAN QRH FOR START VALVE OPEN. START VALVE OPEN LIGHT REMAINED ON. LIGHT WENT OUT WHEN ISOLATION VALVE WOct 29, 2020 · N472AS · Boeing 737990ER · Engine Start Valves/ControlsSDR ASAA2020093033312Transition Panel · corrodedAFT CARGO COMPARTMENT TRANSITION PANEL CORRODED NUMEROUS PLACES, MARKED, BS 727+10 - BS 767, RBL 22. GROUNDED-YES. REMOVED, FABRICATED NEW, AND INSTALLED TRANSITION PANEL FROM BS 727+10-BS 767 AT RBL 22, IAW B737-900 SRM 53-0-53-2R-5.Sep 30, 2020 · N472AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2020093033311Transition Panel · corrodedAFT CARGO COMPARTMENT TRANSITION PANEL CORRODED NUMEROUS PLACES, MARKED, BS 727+10-BS 847, LBL 22. GROUNDED-YES. REMOVED, FABRICATED NEW, AND INSTALLED TRANSITION PANEL FROM BS 727+10-BS 847 AT LBL 22, IAW B737-900 SRM 53-00-53-2R-5.Sep 30, 2020 · N472AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2020093033310Transition Panel · corrodedAFT CARGO COMPARTMENT TRANSITION PANEL CORRODED NUMEROUS PLACES, MARKED, BS 727 - BS 727I+10, RBL 22. GROUNDED-YES. REMOVED, FABRICATED NEW, AND INSTALLED TRANSITION PANEL FROM BS 727-BS 727I+10 RBL 22, IAW B737-900 SR, 53-00-53-2R-5.Sep 30, 2020 · N472AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2020093033294Transition Panel · corrodedAFT CARGO COMPARTMENT TRANSITION PANEL CORRODED NUMEROUS PLACES, MARKED BS 727-BS 727I+10, LBL 22. GROUNDED-YES. REMOVED DAMAGE ON AFT CARGO TRANSITION PANEL FROM BS 727-727I +10 LBL 22. ORIGINAL THICKNESS .040, PER B737-900ER SRM 53-60-53-OI-2. REMOVED .0Sep 30, 2020 · N472AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2020092933313Skin · dentedRUDDER LT SKIN HAS A DENT APPROXIMATELY 15.5" INCHES FROM THE TRAILING EDGE AND 83" INCHES FROM LOWER SIDE. GROUNDED-YES. REPARIED RUDDER LT SKIN DENT APPROX 15.5" FROM THE TRAILING EDGE AND 83" FROM THE LOWER SIDE, IAW B737-900ER SRM 55-40-01-2R-1, TABLE 20Sep 29, 2020 · N472AS · Boeing 737990ER · Rudder, Plate/SkinSDR ASAA2020091763187Radar · malfunctionedDURING CLIMB OUT WITH WX RADAR ON, RECEIVED AN AMBER "WX STAB" FOLLOWED BY AN AMBER 'WX FAIL" MESSAGE ON ND. APPROX 5 MINUTES LATER A "PWS FAIL" ALSO DISPLAYED. GROUNDED-YES. CREW DEBRIEF REPORTS WX RADAR RETURNED TO NORMAL AFTER 30 MINUTES, FOR DURATION OFSep 16, 2020 · N472AS · Boeing 737990ER · Weather Radar SystemSDR ASAA2020060832781Shutoff Valve · stuckON THE GROUND WITH 65% N1 THE LEFT DUCT PRESSURE WAS 33 PSI AND THE RIGHT WAS 53 PSI. GROUNDED - YES. ACCOMPLISHED T/C NG-36WC-00001 ENGINE BLEED AIR HEALTH CHECK NR 1 ENG NO DEFECTS NOTED. DURING CROSSOVER CK FOUND NR 2 ENG HAD HIGH DUCT PRESSURE, AND PRESSURJun 6, 2020 · N472AS · Boeing 737990ER · Pneumatic Distribution SystemSDR ASAA2020060832779Connector · looseINTERIOR EMERGENCY EXIT LIGHT INOP ON CEILING ABOVE ROW 30. GROUNDED - YES. FOUND LOOSE CONNECTOR. RECONNECT CONNECTOR ON EMER LIGHT ON CEILING ABOVE ROW 30 IAW AMM 33-51-03. OPS CHECK GOOD.Jun 5, 2020 · N472AS · Boeing 737990ER · Light System WiringSDR ASAA2020051332723Unknown · leaking#1 ENGINE HAS FUEL LEAKING FROM LOWER COWL DRAIN. GROUNDED - YES. RAN #1 ENGINE AT IDLE ACCOMPLISHED INSPECTION OF ENGINE VENTS AND DRAINS REF B737-900 AMM 71-71-00-200-801-F00 NO LEAKAGE NOTED DURING ENGINE RUN OR AFTER ENGINE SHUTDOWN. SUSPECT #1 ENG SPAR VAMay 12, 2020 · N472AS · Boeing 737990ER · Aircraft Fuel Distribution System
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