N518AS

Service difficulty reports · 480

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 = 'N518AS' 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 ASAA2019012227878Brake Assy · intermittentFOLLOW-UP TO HISTORY OF NR 2 ENGINE SLOW TO SHUTDOWN. GROUNDED - YES. REMOVED, REPLACED, AND TESTED M1825 NR 2 ENGINE START BRAKE ASSEMBLY PER AMM 76-11-10. OPS NORMAL. PERFORMED ENGINE SPAR VALVE ELECTRICAL CONTROL AND INDICATION TEST FOR NR 2 ENGINE PER AMM Jan 22, 2019 · N518AS · Boeing 737890 · Engine ControlsSDR ASAA2019011327819Eec · faultedENG NR 2 LONG TIME FAULT MSG# 73-31162 THE MECHANICAL OVERSPEED PROTECTION SIGNAL IS OUT OF RANGE DEFERRED PER TASK CARD. GROUNDED - YES. ACCOMPLISHED FIM 73-25 TASK 805, NO FAULTS NOTED. PER FIM, REPLACED NR 2 EEC REF AMM 73-21-60. THIS CLEARS PLT.Jan 13, 2019 · N518AS · Boeing 737890 · Fuel Control/Turbine EnginesSDR ASAA2019011127756Control Module · failedUPON NR 2 ENGINE SHUTDOWN WHEN START LEVER WAS PLACED IN CUTOFF, THE NR 2 ENGINE RAN FOR 10-12 SEC. BEFORE SLOWLY ROLLING BACK TO OFF. THE NR 2 ENG VALVE CLOSED FUEL VALVE CONTINUED TO BE ILLUMINATED BRIGHT BLUE AND STAYED ILLUMINATED BRIGHT BLUE. GROUNDED - YJan 11, 2019 · N518AS · Boeing 737890 · Fire DetectionSDR ASAA2019011027741Starter · inoperativeDURING NR 1 ENGINE START WITH START SWITCH TO "GRD" POSITION THE N2 INCREASED TO APPROXMATELY 4% THEN DECREASED TO 0. GROUNDED - YES. REMOVED AND REPLACED NR 1 ENGINE STARTER REFERENCE AMM 80-11-01 OPS AND LEAK CHECK GOOD.Jan 10, 2019 · N518AS · Boeing 737890 · Engine StarterSDR ASAA2019010827728Hmu · failedNR 2 ENGINE DID NOT IMMEDIATELY SHUT DOWN WHEN IN CUTOFF, NR 2 ENGINE FUEL VALVE REMAINED BRIGHT. GROUNDED - YES. REMOVED AND REPLACED HMU (NR 2 ENGINE), LEAK AND OPS CHECK GOOD. ENG START/STOPS NORMALLY.Jan 8, 2019 · N518AS · Boeing 737890 · Fuel Control/Turbine EnginesSDR ASAA2018123107620Sensor · cloggedAPU TREND DATA SHOWS CT5ATP TEMPERATURE IS AT OR ABOVE THE 605 DEGREE THRESHOLD. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 49-40 TASK 825 STEPS D1 THROUGH D6E. REMOVED AND REPLACED ALL FUEL NOZZLES REF B737-800 AMM 49-31-14. FOUND TOTAL PRESSURE SENSOR ORIFICDec 30, 2018 · N518AS · Boeing 737890 · APU Engine Fuel and ControlSDR ASAA2018122877593Wire Harness · shorted#1 ENGINE COWL VALVE INOP. GROUNDED - YES. FOUND ENGINE #1 ANTI-ICE ENGINE AND WING CONTROL BREAKER OPEN. REF B737-800 WDM 30-11-11, PIN 1 OF D1103P GND WTAI TEMP SOL VLV SHORTED TO GROUND. ISOLATED TO HARNESS MW0311. REMOVED AND REPLACED MW0311 HARNESS IAW B7Dec 26, 2018 · N518AS · Boeing 737890 · Ice/Rain Protection System WiringSDR ASAA20181227575Controller · malfunctionedCABIN PRESSURIZATION CONTROLLER WENT BLANK DURING CRUISE FLIGHT. THE CONTROLLER REMAINED FUNCTIONAL AND CONTROLLED CABIN PRESSURE DURING THE REMAINDER OF FLIGHT. THE CONTROLLER REMAINED BLANK FOR THE REMAINING 04 HOURS OF THE FLIGHT AND IS STILL BLANK AFTER BLDec 25, 2018 · N518AS · Boeing 737890 · Cabin Pressure ControllerSDR ASAA2018120627238Heater · leakingWHILE ACCOMPLISHING T/C N8473001 HUM INSTALLATION, FOUND NR 2 ENGINE HEATER, SERVO FUEL EVIDENCE OF LEAK. GROUNDED - YES. REMOVED AND REPLACED NR 2 ENGINE SERVO FUEL HEATER REF AMM 73-11-07.Dec 6, 2018 · N518AS · Boeing 737890 · Fuel HeaterSDR ASAA2018120527233Hmu · faultyNO EGT AFTER START LEVER RAISED TO IDLE ON ENGINE NUMBER 2. GROUNDED - YES. SWITCHED IGNITION TO LEFT, ATTEMPTED TO START NR 2 ENGINE THIS TIME THE EGT WENT TO ABOUT 600 AND ROLLED BACK WITH EGT LIGHT FLASHING AND ENGINE STARTED SPOOLING DOWN. CREW SAID N2 NEVDec 5, 2018 · N518AS · Boeing 737890 · Fuel Control/Turbine EnginesSDR ASAA2018112327080Elastomer · debondedWHILE ACCOMPLISHING T/C 78472010 ENG NR 1 S/N 896974. FOUND NR 12 FAN BLADE SPACER ELASTOMER DISBONED ON BOTH SIDE. GROUNDED - YES. REMOVED AND REPLACED ON NR 1 ENGINE FAN BLADE SPACER (12) REF T/C 78472010.Nov 23, 2018 · N518AS · Boeing 737890 · Turbine Engine Compressor SectionSDR ASAA2018112327079Blade · wornWHILE ACCOMPLISHING T/C 78472010 FAN LUBE ENG NR 1 S/N 896974 FOUND CU-NI-IN COATING OUT OF LIMITS ON FAN BLADES NR 3 CV SIDE .56, NR 4 CV SIDE .57, NR 8 CV SIDE .6, NR 11 CV SIDE .65, NR 13 CV SIDE .81, & NR 18 CV SIDE .71. GROUNDED - YES. ON NR 1 ENG REMOVEDNov 23, 2018 · N518AS · Boeing 737890 · Turbine Engine Compressor SectionSDR ASAA2018112327078Blade · damagedBLADE NR 17 ON NR 1 ENGINE HAVE LEADING EDGE TIP CURL. GROUNDED - YES. REMOVED AND REPLACED ON NR 1 ENG BLADE NR 17 AND IT'S OPPOSITE PAIR REF T/C 78472010.Nov 23, 2018 · N518AS · Boeing 737890 · Turbine Engine Compressor SectionSDR ASAA2018112327077Elastomer · tornWHILE ACCOMPLISHING T/C 78472010 ENG NR 1 S/N 896974 FOUND 2 EA PLATFORMS NR 14 & NR 19 ELASTOMER SEALS TORN ON BOTH SIDES. GROUNDED - YES. REMOVED AND REPLACED ON NR 1 ENG 2 PLATFORMS (NR 14 & NR 19). REF T/C 78472010.Nov 23, 2018 · N518AS · Boeing 737890 · Turbine Engine Compressor SectionSDR ASAA2018112107022Control Panel · dimPRESSURIZATION PANEL DISPLAY LIGHTS VERY DIM. GROUNDED - YES. CYCLED SYSTEM POWER. DISPLAYS RETURNED TO NORMAL #1 CONTROLLER LOGGED 016, SEL PANEL LRU FAIL. PRESSURIZATION CONTROLLER BITE CK NORMAL. REF B737-800 FIM 21-31 TASK 801.Nov 20, 2018 · N518AS · Boeing 737890 · Cabin Pressure Control SystemSDR ASAA2018111226826Spinner · erodedPER T/C 78472010 NR 2 ENGINE INLET SPINNER FRONT CONE MORE THAN 50 PER CENT PAINT MISSING. GROUNDED - YES. INSTALLED NEW INLET SPINNER FRONT CONE ON ENGINE NR 2 PER T/C 78472010.Nov 12, 2018 · N518AS · Boeing 737890 · Turbine Engine Air Inlet SectionSDR ASAA2018111226812Pcu · failedON THE AFTER START RECALL CHECK THE OVERHEAD ELEC LIGHT CAME ON, PERFORMED THE QRH AND NO TAKE OFF ALLOWED. GROUNDED - YES. ACCOMPLISHED P5-13 ELEC LIGHT PNL BITE PER AMM 24-31 TASK 801 - LOGGED "SPCU" FAULT. NO C/B'S OPEN AND FAULT WILL NOT RESET. REPLACED SPNov 12, 2018 · N518AS · Boeing 737890 · DC Generating SystemSDR ASAA2018102626652Actuator · leakingWHILE PERFORMING TASK CARD 78472040 FOUND FUEL LEAK ON # 2 ENGINE WHILE DRY MOTORING. GROUNDED - YES. REMOVED & REPLACED #2 ENG R/H VSV, REF B737-800 AMM 75-31-01. LEAK/OPS TEST GOOD.Oct 26, 2018 · N518AS · Boeing 737890 · Compressor Bleed ValveSDR ASAA2018100826387Unknown · malfunctionedPRESSURIZATION CONTROL PANEL AUTO DISPLAY BLANK. GROUNDED - YES. RESET A/C POWER ACCOMPLISHED FIM 21-31 TASK 803 NO DEFECTS NOTED. PERFORMED (DCPC) BITE CHECK, SYSTEM OK NO FAULTS GENERATED REF FIM 21-31 TASK 801.Oct 6, 2018 · N518AS · Boeing 737890 · Cabin Pressure Control SystemSDR ASAA2018100826360Idg · leakingSTATIC OIL LEAK FOUND AT NR 1 ENG IDG PAD DRAIN. GROUNDED - YES. REMOVED AND REPLACED NR 1 IDG IAW AMM 24-11-11. OPS CHECKS GOOD. LEAK CHECKS GOOD. INSTALLED BULBS IN ASSOCIATED GENERATOR DRIVE AND GEN OFF BUS LIGHTS. OPS CHECK GOOD. 3 MIG-51A INSTALLED AND REOct 3, 2018 · N518AS · Boeing 737890 · AC Generator-AlternatorSDR ASAA2018092626282Light · inoperativeR1 SLIDE LIGHT INOP. GROUNDED - YES. RELAMPED R1 SLIDE LIGHT REF AMM 33-51-04, OPS TEST GOOD.Sep 26, 2018 · N518AS · Boeing 737890 · Emergency LightingSDR ASAA2018091826156Warning System · false activationAFTER ENG START ELEC LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED FIM 24-31 TASK 801, CLEARED FAULT AFTER BITE CHECK. NO FAULTS. AIRCRAFT IS OK FOR SERVICE. PREVIOUS FAULT WAS SPCU INOP - FAULT CLEARED.Sep 17, 2018 · N518AS · Boeing 737890 · DC Indicating SystemSDR ASAA2018082435900Warning Message · false activationON ROLLOUT, NR 1 MFD DISPLAYED "VTK" AND "FMC" DISAPPEARED FROM BOTH MCDU MENU PAGES. SELF RECOVERED AFTER APPROX 30 SECONDS BUT ALL DATA WAS GONE. ACFT GROUNDED. ACCOMPLISHED FMC LANDING/TAXI VTK - MAP NUISANCE ERROR IAW AMM 34-61-00-860-801, OPS NORMAL, NO Aug 23, 2018 · N518AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2018072625538Spinner · damagedWHILE ACCOMPLISHING T/C 78472000 NR 1 ENGINE FOUND FRONT SPINNER CONE MISSING 50% OF BLACK SULFURIC ANODIZING COATING. GROUNDED - YES. REMOVED AND REPLACED NR 1 ENGINE FRONT SPINNER PER AMM 72-21-01. NO DEFECTS NOTED AT THIS TIME.Jul 26, 2018 · N518AS · Boeing 737890 · Turbine Engine Air Inlet SectionSDR ASAA2018072325492Starter · failedUPON ATTEMPT TO START ENGINE 2, NO N2 ROTATION WAS NOTED. GROUNDED - YES. REMOVED AND REPLACED NR 2 ENG STARTER PER AMM 80-11-01. GND VERIFICATION CHECK GOOD PER AMM 71-00-00-700-809-F00 AND 71-00-00-700-801-F00.Jul 21, 2018 · N518AS · Boeing 737890 · Engine StarterSDR ASAA2018070425285Regulator · stuckAFTER ENGINE START, LEFT DUCT PRESSURE READ 7 PSI. GROUNDED - YES. PERFORMED PNEUMATIC HEALTH CHECK ON NR 1 ENGINE PER AMM 36-11-00-710-802 AND FOUND "PRSOV" STUCK BETWEEN OPEN AND CLOSED POSITION. REMOVED AND REPLACED PRSOV PER AMM 36-11-04-400-801 AND BLEED Jul 4, 2018 · N518AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA2018052024697Impeller · failedLEFT CENTER FUEL PUMP LOW PRESSURE LIGHT REMAINED ILLUMINATED WITH THE SWITCH ON AND FUEL IN TANK. ACFT GROUNDED. ACCOMPLISHED AN OPS TEST, OPS TESTED NORMAL NO FAULTS IAW AMM 28-22-41-710-801. ACCOMPLISHED A BOOST PUMP AUTO SHUTOFF FUNCTIONAL TEST AND LT May 20, 2018 · N518AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2018052184701Battery Pack · no testDURING ACCOMPLISHMENT OF T/C 78233001, BATTERY PACKS M1870 AND M1872 FAILED A CAPACITY CHECK. ACFT GROUNDED. REPLACED THE BATTERY PACKS IAW AMM 33-51-06-960-805, OPS CHECKED GOOD.May 18, 2018 · N518AS · Boeing 737890 · Emergency LightingSDR ASAA201805214677Impeller · failedAT THE TOP OF CLIMB, THE LEFT CENTER FUEL PRESSURE LOW LIGHT ILLUMINATED. FOLLOWED QRH. CROSSFEED OPENED AND CONTINUED TO DESTINATION. ACFT GROUNDED. REMOVED AND REPLACED THE LT CENTER PUMP MOTOR IMPELLER IAW AMM 28-22-41. OPS CHECKED GOOD. NO LEAKS NOTMay 16, 2018 · N518AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2018051524658Hmu · stuckDURING TROUBLESHOOTING OF THE NR 1 ENGINE NOT STARTING AND LOW DUCT PRESSURE, FOUND THE NR 1 ENGINE TOOK 20 SECONDS TO SHUTDOWN. NR 1 ENG VALVE LIGHT STAYS ON BRIGHT. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 ENGINE HMU IAW T/C N8473000, AND T/C N847300May 15, 2018 · N518AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2018042624424Pump · false indicationLEFT CENTER FUEL PUMP LOW PRESSURE LIGHT STAYED ILLUMINATED WITH 600 POUNDS FUEL IN CENTER TANK. ACFT GROUNDED. PERFORMED FIM 28-22 TASK 801. NO FAULTS OR DEFECTS FOUND. OPS TESTED GOOD FOR THE LT CENTER FUEL BOOST PUMP IAW AMM 28-22-41-710-801.Apr 26, 2018 · N518AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2018040324123Compensator · no testDURING ACCOMPLISHMENT OF TSR701503, NR 1 MAIN TANK FQIS FAILS SYSTEM TEST IAW TASK 28-41-00-730-801. ACFT GROUNDED. USING FMC CDU DETERMINED THE NR 1 FQIS FAILS SYSTEM TEST IAW AMM TASK 28-41-00-730-801. READINGS SHOW THAT THE COMPENSATOR PROBE IS DEAD CENTApr 3, 2018 · N518AS · Boeing 737890 · Fuel Indicating SystemSDR ASAA2018031923960Warning Light · false activationBOTH HF RADIOS INDICATE INOPERATIVE. ACFT GROUNDED. VERIFIED FAULT, BOTH RTPS SHOW INOPERATIVE WITH EITHER HF 1 OR 2 SELECTED. PERFORMED A RADIO TUNING PANEL INOPERATIVE DISPLAY TOGGLE IAW AMM 23-12-41-800-802. BOTH RTPS NOW SHOW SELECTED FREQUENCIES WHEMar 19, 2018 · N518AS · Boeing 737890 · HF Communications SystemSDR ASAA2018031923957Control Valve · faultedCONTROL CABIN ZONE TEMP LIGHT ILLUMINATED WITH MASTER CAUTION. THE LIGHT EXTINGUISHED WITH RESET. ACFT GROUNDED. PERFORMED A PACK/ZONE TEMP CONTROLLER BITE IAW AMM 21-61-00-700-806-002, FOUND A FLT DECK TRIM VALVE LIGHT WITH THE NR 2 CONTROLLER. REPLACED Mar 19, 2018 · N518AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2018031323860Control Valve · faultedCONTROL CABIN ZONE TEMP LIGHT ILLUMINATED. FOLLOWED QRH, LIGHT STAYED ILLUMINATED. ACFT GROUNDED. PERFORMED A PACK ZONE TEMP CONTROL BITE ON BOTH THE NR 1 AND 2 IAW FIM 21-62 TASK 801. FOUND FLIGHT DECK TRIM VALVE FAULT ON BITE, HISTORY, AND VERIFY ON TMar 13, 2018 · N518AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2018031223861Controller · inoperativeFLT DECK HEAT CONTROL CABIN INOPERATIVE, RESET MASTER CAUTION, AND OPS CHECKED OK. ACFT GROUNDED. BITE CHECKED THE CONTROLLER, NO FAULTS FOUND.Mar 12, 2018 · N518AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2018030623782Lens · detachedFWD GALLEY R1 DOOR EMERGENCY EXIT SIGN LIGHT COVER FELL OFF. ACFT GROUNDED. VERIFIED FAULT, REPLACED THE SIGN ASSEMBLY. TEST PASSED IAW AMM 33-51-01-710-002.Mar 6, 2018 · N518AS · Boeing 737890 · Emergency LightingSDR ASAA2018030323742Indicator · inaccurateLEFT MAIN FUEL QUANTITY INDICATOR ACCURACY APPEARS TO BE INCORRECT. DEPARTED WITH BALANCED FUEL. DURING CLIMBOUT, THE LEFT MAIN SHOWED 500 LBS LESS THEN RIGHT WHILE FEEDING FROM CENTER. SPLIT REDUCED TO -350 LBS DURING CLIMB. WHILE IN CRUISE, AFTER 2 HOURSMar 3, 2018 · N518AS · Boeing 737890 · Fuel Quantity IndicatorSDR ASAA2018022323678Satcom · malfunctionedCOULD NOT TRANSMIT ON EITHER SATCOM 1 OR 2, MULTIPLE ATTEMPTS WERE MADE ON SATCOMS 1 & 2 USING BOTH CAPTAIN`S AND FIRST OFFICER`S AUDIO CONTROL PANELS, HF/SAT TRANSFER SWITCH WAS PROPERLY SET TO SAT. ATTEMPTS INCLUDED USE OF HEADSETS, AUDIO PANEL, RT SWITCHESFeb 23, 2018 · N518AS · Boeing 737890 · Communications SystemSDR ASAA2018013023333Fmc · malfunctionedAFTER LANDING, ALL FMC DATA DISAPPEARED, THE AMBER FMC P/RST SWITCH LIGHT ILLUMINATED AND BOTH CDUS BLANKED,THEN RETURNED TO THE MENU PAGE BUT NO FMC WAS DISPLAYED. AFTER ABOUT 30 SECONDS FMC REAPPEARED ON BOTH CDUS AND BOTH FMCS SEEMED TO REBOOT, ALL DATA WASJan 30, 2018 · N518AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2018012623307Probe · out of toleranceDURING A FUEL QTY INDICATING SYSTEM CHECK, FOUR NR 1 FUEL TANK PROBES IDENTIFIED AS CAPACITANCE OUT OF LIMITS. TANK UNITS ARE F1, F6, F8 AND F10. ACFT GROUNDED. NR 1 FUEL TANK DEFUELED AND SUMPED. REPLACED THE TANK PROBES F1, F6, F8 AND F10 IAW AMM 28-4Jan 26, 2018 · N518AS · Boeing 737890 · Fuel Quantity IndicatorSDR ASAA2018012423276Warning System · false activationCONT CAB ZONE TEMP LIGHT ILLUMINATED DURING CLIMB FOLLOWED QRH. AFTER 10+ MINUTES WAITING FOR DUCT TO COOL, STILL UNABLE TO RESET ZONE TEMP LIGHT. SUPPLY DUCT TEMPERATURE APPEARS NORMAL. GROUNDED - YES. PERFORMED PACK TEMP CONTROL BITE PROCEDURES PER B737-800 Jan 24, 2018 · N518AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2018010823108Control Module · malfunctionedALTITUDE SELECTOR KNOB ON THE PRESSURIZATION PANEL WHEN TURNED DOESN'T CHANGE OR SELECTS A RANDOM NUMBER TO OPPOSITE DIRECTION. ACFT GROUNDED. VERIFIED FLT ALT KNOB STICKS OR WORKS BACKWARD WHEN OPERATED. REMOVED AND REPLACED CABIN PRESSURE CONTROL MODULE IAJan 8, 2018 · N518AS · Boeing 737890 · Cabin Pressure Control SystemSDR ASAA2017122823046Wire Harness · damagedFIRE DETECTION LOOP B, FOR THE NR 1 ENGINE DOES NOT TEST. ACFT GROUNDED. ACCOMPLISHED NR 1 ENGINE FIRE DETECTION OPS TEST IAW AMM 26-11-00-710-801. NO FAULTS FOUND. PERFORMED INSPECTION OF THE NR 1 ENGINE FIRE DETECTORS AND FOUND BROKEN TERMINALS AT THE 32Dec 28, 2017 · N518AS · Boeing 737890 · Fire Protection System WiringSDR ASAA2017122322997Clevis · looseNR 2 ENGINE LOOSE HARDWARE ON LOWER STARTER DUCT FWD TURNBUCKLE CLEVIS AT BRACKET. ACFT GROUNDED. REPLACED THE NR 2 ENGINE LOWER STARTER DUCT FWD TURNBUCKLE CLEVIS IAW POWERPLANT BUILDUP MANUAL 71-00-02 INSTALLED NEW HARDWARE AND BUSHINGS IAW FIG 25-1 SHEET Dec 23, 2017 · N518AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA2017121422899Warning Light · false activationCONTROL CABIN ZONE TEMP ILLUMINATES W/MASTER CAUTION LIGHT WHEN RECALL IS DEPRESSED, LIGHT EXTINGUISHES WHEN RESET. GROUNDED - YES. RELEASED PER MEL 21-21F, CONTROL CABIN PRIMARY CONTROL INOP. PERFORMED PACK ZONE TEMP CONTROLLER BITE PER B737-800 AMM 21-61-00-Dec 14, 2017 · N518AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2017121322890Flange · cracked#2 ENG REAR TURBINE FLANGE ASSY IS CRACKED @ 12, 1, 3, 4 & 7 O'CLOCK INTERMEDIATE FLANGE HOLES. GROUNDED - YES. ON DEFERRAL.Dec 13, 2017 · N518AS · Boeing 737890 · Turbine SectionSDR ASAA2017121322889Flange · cracked#1 ENG REAR TURBINE FLANGE ASSY IS CRACKED @ 12, 1 & 3 O'CLOCK INTERMEDIATE FLANGE HOLES. GROUNDED - YES. REMOVED AND REPLACED #1 ENG. REAR TURBINE FLANGE ASSY. SECURED. REF B737-800 AMM 78-11-02 AND 72-56-00.Dec 13, 2017 · N518AS · Boeing 737890 · Turbine SectionSDR ASAA2017112622683Thermocouple · malfunctionedAPU CT5ATP EGT TREND DATA SHOWS EGT HAS SHIFTED ABOVE THE MAINTENANCE THRESHOLD OF 593 WITH A HIGH OF 606 DEGREES RECORDED. ACFT GROUNDED. REMOVED AND REPLACED APU EGT THERMOCOUPLES IAW AMM 49-71-21-000-801 AND AMM 49-71-21-400-801. OPS CHECKED GOOD. REMOVEDNov 26, 2017 · N518AS · Boeing 737890 · APU Indicating SystemSDR ASAA2017110922516Fire Detector · failedENGINE FIRE SWITCH DOES NOT ILLUMINATE, NR 2 ENGINE WITH OVERHEAT DETECTOR SWITCH IN NORMAL. ACFT GROUNDED. TROUBLESHOOTING FOUND THE NR 2 ENG TEST FAILS IN NORMAL AND B LOOP. A LOOP TEST NORMAL. OPERATED NR 2 ENGINE AND PERFORMED FIRE DETECTION MODULE BITENov 9, 2017 · N518AS · Boeing 737890 · Fire Detection
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