N579AS

Service difficulty reports · 587

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 = 'N579AS' 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 ASAA2021100836222Unknown · unknownDURING PUSH BACK, FMC DISAGREE ILLUMINATED. GROUNDED - YES. RAN "FMC DISAGREE" CHECKLIST RESOLVED ISSUE.Oct 8, 2021 · N579AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2021092636071Charger · inoperativeBATTERY DISCHARGE AND ELECTRIC AMBER LIGHT OVERHEAD PANEL DURING PREFLIGHT. GROUNDED - YES. REMOVED AND REPLACED MAIN BATTERY CHARGER. PERFORMED OPS CHECK, NO DEFECTS NOTED. OK FOR SERVICE. REF B737-800 AMM 24-31-21.Sep 26, 2021 · N579AS · Boeing 737890 · DC Generating SystemSDR ASAA2021090335856Sign · detachedAIRCRAFT LEFT ROW 16 EXIT SIGN FELL OFF, SCREW MISSING. GROUNDED - YES. REMOVED AND REPLACED EXIT SIGN ASSEMBLY IN AIRCRAFT LEFT ROW 16 IAW B737-800 AMM 33-51-01.Sep 3, 2021 · N579AS · Boeing 737890 · Emergency LightingSDR ASAA2021080635675Ecu · faultedFOUND #2 ENG SHORT TIME FAULT, MSG NBR 73-11272 (THE ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE) AND MSG NBR, 73-21282 (EEC CHANNEL IS NOT ENERGIZED WITH THE ALTERNATOR VOLTAGE) WHILE PERFORMING T/C 78273000. GROUNDED - YES. #2 ENG EEC CHANNEL A WOULDAug 6, 2021 · N579AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2021080635661Warning Message · false activationAFTER ENGINE START- RIGHT PACK LIGHT ON - FOLLOWED QRH AFTER MC RESET. IS WENT OUT. GROUNDED - YES. PACK/ZONE TEMP CONTROLLER BITE TEST DONE ON RH SIDE: THIS PACK TCV SHOWED FAULTING ON PREVIOUS FLIGHT. FAULT RESETS REF B737-800 AMM 21-61-00-806-002.Aug 6, 2021 · N579AS · Boeing 737890 · Central WarningSDR ASAA2021080295579Probe · faulty#1 ENGINE OVERHEAT 970F AT VR NO SURGE OR ABNORMAL ENG #S. GROUNDED - YES. DIVERSION TIME 18 MINUTES - C/W B737-800 FIM TASK 71-06 TASK 805 ITEM 2 REMOVED AND REPLACED T49.5 PROBE REF B737-800 AMM 77-21-01 C/W EEC TEST REF AMM 73-21-00. NO FAULTS FOUND, OPS CHJul 29, 2021 · N579AS · Boeing 737890 · Engine Temperature Indicating SystemSDR ASAA2021062935226Indicator · inoperativeWING REFUEL PANEL CTR FUEL TANK INDICATOR INOP - COCKPIT IND NORM. GROUNDED - YES. COMPLIED WITH REMOVED AND REPLACED THE CTR REFUEL QUANTITY INDICATOR PER B737-800 AMM 28-41-61/401.Jun 29, 2021 · N579AS · Boeing 737890 · Fuel Quantity IndicatorSDR ASAA2021062235190Eec · faultedWHILE PERFORMING T.C. #78273000, #1 ENG HAS SHORT TIME FAULT 75-20421 THE HMU VBV CONTROL CURRENT IS OUT OF RANGE, ON MULTIPLE LEGS. GROUNDED - YES. REPLACED THE #1 ENGINE EEC PER B737-800 AMM 73-21-60/401. OP-CHECKS GOOD. FAULT NO LONGER ACTIVE.Jun 22, 2021 · N579AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2021060835092Wire Harness · damagedREF TC 78273000 ENGINE 1 SHOWS THE SHORT TERM FAULT. NUMBER 75-20421. HMU VBV CONT CURR OUT OR RANGE. GROUNDED - YES. CONFIRMED FAULT ACTIVE 6 OF 10 FLIGHT LEGS. PERFORMED B737-800 FIM 75-32 TASK 804. FOUND SLIGHT RESISTANCE FLUCTUATION WHEN CABLE MANIPULATED Jun 8, 2021 · N579AS · Boeing 737890 · Engine Fuel System WiringSDR ASAA2021052234878Pressure Switch · inoperative#2 AFT FUEL PUMP "LOW PRESSURE" LIGHT NOT ILLUMINATED WITH PUMP SWITCH IN OFF POSITION. GROUNDED - YES. REPLACED #2 TANK AFT BOOST PUMP PRESSURE SWITCH REF B737-800 AMM 28-42-11. PERFORMED OPERATIONAL TEST REF AMM 28-42-11-700-801 2 I (1 ) THRU (15) . OPS CHECMay 22, 2021 · N579AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2021050534760Exciter · failed#2 ENG FAILED TO LIGHT OFF DURING STARTING START SWITCH WAS IN "L". GROUNDED - YES. CONFIRMED FAULT, #2 ENGINE L-IGNITION INOP. FOUND IGNITER LEAD DEFECTIVE. REMOVED & REPLACED IGNITION LEAD REF B737-800 AMM 74-21-01 AND REPLACED M421 LEFT IGNITION EXCITER ANDMay 5, 2021 · N579AS · Boeing 737890 · ExciterSDR ASAA2021042334649Anti-Ice Valve · inoperative# 2 ENGINE ANTI ICE COWL VALVE STUCK CLOSED AMBER TAI & BRIGHT BLUE LIGHT. GROUNDED - YES. REMOVED AND REPLACED #2 ENG COWL TAI VALVE ASSY IAW B737-800 AMM 30-21-11/401. PERFORMED ENGINE COWL TAI VALVE INSTALLATION TEST REF AMM SUBTASK 30-21-11-860-009, LEAK CApr 23, 2021 · N579AS · Boeing 737890 · Engine Anti-Icing SystemSDR ASAA2021041734606Warning Light · false activationENGINE #2 ANTI-ICE REMAINED BRIGHT BLUE ACCOMPANIED BY AMBER TAI LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED B737-800 FIM 30-21 TASK 804. NO FAULTS FOUND. GROUND VERIFICATION OF #2 ENG COWL ANTI-ICE VALVE SUCCESSFUL. RESTORED #2 ENG ANTI-ICE VALVE PERB737-800Apr 17, 2021 · N579AS · Boeing 737890 · Engine Anti-Icing SystemSDR ASAA2021040434501Connector · loose#2 ENGINE T-12 CONNECTOR ON J8 ENGINE HARNESS HAS A LOOSE BACKSHELL. GROUNDED - YES. REMOVED AND REPLACED J8 HARNESS #2 ENGINE REF B737-800 AMM 73-21-06-000-801-F00/ 73-21-06-400-801-F00 EEC TEST GOOD. ACTUATOR CHECK GOOD REF B737-800 73-21-00-700-804-F00 / 71Apr 4, 2021 · N579AS · Boeing 737890 · Engine Fuel System WiringSDR ASAA2021032834441Anti-Ice Valve · stuckDURING DESCENT WE TURNED ON THE ENGINE ANTI ICE FOR BOTH ENGINES. ONCE CLEAR OF ICING CONDITIONS AT 1200 FEET AGL, WE TURNED OFF BOTH ENGINE ANTI-ICE. THE #1 ENGINE COWL VALVE OPEN LIGHT REMAINED ILLUMINATED BRIGHT BLUE. WE CYCLED THE SWITCH AT DIFFERENT POWERMar 28, 2021 · N579AS · Boeing 737890 · Engine Anti-Icing SystemSDR ASAA2021032734432Transmitter · faulty#1 ENGINE TREND DATA SHOWS A GRADUAL SHIFT IN CRUISE DELTA FUEL FLOWING INDICATION ERRORS ARE SUSPECT. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE FUEL FLOW TRANSMITTER. REF B737-800 AMM 73-31-01-400-801-F01. PERFORMED #1 ENGINE LEAK CHECK OF FUEL FLOW TRANMar 27, 2021 · N579AS · Boeing 737890 · Fuel Flow IndicatingSDR ASAA2021030434246Control Valve · faultedRIGHT PACK LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED BIT PER B737-800 FIM 21-62 TASK 801. INITIALLY NO FAULTS NOTED. NOTED TCV FAULT ON LATER BIT CHECK. TCV FAULT CLEARED PACK OPERATED NORMALLY AT THAT TIME. SUSPECT FAULTY RH TCV. REMOVED AND REPLACED #2 PAMar 4, 2021 · N579AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2021030134215Control Valve · failedRIGHT PACK LIGHT ILLUMINATED. GROUNDED - YES. DURING CONTROLLER BITE TEST TCV SHOWED FAILED. REMOVED AND REPLACED RH TEMP CONTROL VALVE PER B737-800 AMM 21-51-10-400-801. OPS AND LEAK TEST GOOD.Mar 1, 2021 · N579AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2021021134102Link · wornENG #2 ESN 802325 FOUND 5TH STAGE "Y" DUCT ATTACH LINK TO THE CASE WORN TO LIMITS. GROUNDED - YES. REMOVED AND REPLACED 5TH STAGE "Y" DUCT ATTACH LINK TO THE CASE ON ENG #2 ESN 802325 REF CFM56-7 PPBM 71-00-02 FIG 16-1 PG3.Feb 11, 2021 · N579AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA2021021134101Duct · wornENG #2 ESN802325 FOUND ANTI ICE FWD DUCT WORN ON OTBD UPPER LINK ATTACH POINT. GROUNDED - YES. REMOVED AND REPLACED FWD #2 ANTI ICE DUCT AS PER CFM56-7 PPBM 71-00-02 FIG 27-1 PG 7-11.Feb 11, 2021 · N579AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA2021021134100Link · wornENG #2 ESN802325 FOUND ANTI ICE FWD DUCT OTBD LINK WORN. GROUNDED - YES. REMOVED AND REPLACED OTBD FWD ANTI ICE DUCT LINK #2 AS PER CFM56-7 PPBM 71-00-02 FIG 27-1 PG 10-11.Feb 11, 2021 · N579AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA2021021134099Bracket · gougedENG #2 ESN802325 FOUND ANTI ICE FWD DUCT OTBD LINK LOWER BRACKET ATTACHED TO FAN FRAME HAS GOUGE ADJACENT TO ROD END. GROUNDED - YES. REMOVED AND REPLACED #2 FWD DUCT ANTI ICE COWL LINK BRACKET TO FAN FRAME AS PER CFM56 PPBM 71-00-02 FIG 6-1 PG 6-7.Feb 11, 2021 · N579AS · Boeing 737890 · Engine Anti-Icing SystemSDR ASAA2021010433812Radar · malfunctionedRADAR SHOWS CONTINUOUS RETURNS AT 5 MILES BETWEEN 2 & 3 O'CLOCK AND 9 & 10 O'CLOCK IN CLEAR AIR, ALL MODES. GROUNDED-YES. PERFORMED OPERATIONS TEST OF RADAR SYSTEM, PER B737-800 AMM 34-43-00, NO DEFECTS NOTED, TEST PASSED.Jan 4, 2021 · N579AS · Boeing 737890 · Weather Radar SystemSDR ASAA2020120433643Pressure Switch · faultedLEFT FWD MAIN FUEL PUMP "LOW PRESSURE" ILLUMINATED AT CRUISE FL 410. GROUNDED-YES. INITIAL EVALUATION, INSPECTED P91 CB AND ASSOCIATED GFI FOR DEFECTS, NO DEFECTS. OBSERVED PUMP LOW PRESSURE LIGHT AND PUMP OPERATION, WORKS NORMALLY, AS REQUIRED. PULLED ANDDec 4, 2020 · N579AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2020120233626Motor · inoperativeFWD LEFT MAIN FUEL PUMP INOPERABLE. GROUNDED-YES. REMOVED AND REPLACED NR 1 TANK FOWARD LEFT MOTOR IMPELLER, IAW B737-800 AMM 28-22-41. OPERATIONS AND LEAK CHECK GOOD.Dec 2, 2020 · N579AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2020113033615Pressure Switch · inoperativeLEFT CENTER TANK FUEL PUMP LOW PRESSURE LIGHT DOES NOT ILLUMINATE WITH CENTER TANK FUEL DEPLETED. GROUNDED-YES. PERFORMED B737-800 FIM 28-22 TASK 820, FOUND FUEL BOOST (CENTER LEFT TANK) INOPERABLE. R & R FUEL BOOST PUMP PRESSURE SWITCH, REF B737-800 MM 28-Nov 30, 2020 · N579AS · Boeing 737890 · Aircraft Fuel SystemSDR ASAA2020112533589Transceiver · faultyHF NR 2 SHOW FAIL IN CONTROL HEAD. GROUNDED-YES. PERFORMED NR 2 HF BITE, PER B737-800 FIM 23-11 TASK 801, LRU STATUS FAULT LIGHT ILLUMINATED. REMOVED AND REPLACED NR 2 HF TRANSCEIVER, PER B737-800 AMM 23-11-21. PERFORMED BITE, PER FIM 23-11 TASK 801. OPERNov 25, 2020 · N579AS · Boeing 737890 · HF Communications SystemSDR ASAA2020102433406Pump · noisyNR 1 FWD FUEL PUMP LOW PRESSURE LIGHT BLINKING. GROUNDED-YES. DISCONNECTED D72 AND RESET C/B P91 D1. WITH NR 1 FWD PUMP ON, 115VAC CONSTANT ON ALL THREE PHASES B737-800 WDM 28-23-11. PUMP INTERNAL CASE GROUND GOOD (.1 OHM) AND INSULATION >1M BETWEEN PINS 1Oct 24, 2020 · N579AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2020090143163Skin · crackedRT HORIZONTAL LOWER SKIN HAS A CRACK AT STA 129, 16 INCHES FROM T/E. GROUNDED - YES. REPAIRED RT HORIZONTAL STAB LOWER SKIN, IAW B737-800 SRM 55-10-01-2R-11. THIS IS A CATEGORY B REPAIR. INSPECTION THRESHOLD IS SET AT 56,000 CYCLES, INTERVAL IS 9,000 CYCLESep 1, 2020 · N579AS · Boeing 737890 · Horizontal Stabilizer, Plate/SkinSDR ASAA2020062542835Oil Cooler · leakingAFTER ENGINE RUNS, FOUND THE NR 2 ENGINE IDG OIL COOLER LEAKING. GROUNDED - YES. REMOVED AND REPLACED NR 2 ENG OIL/AIR COOLER IAW AMM 24-11-21 PG 401. LEAK OPS CHECKED GOOD.Jun 24, 2020 · N579AS · Boeing 737890 · AC Generator-AlternatorSDR ASAA2020031232406Warning System · false activationLH PACK LIGHT ILLUMINATES ON RECALL EXTINGUISHES ON RESET. GROUNDED - YES. FOUND L/H RAM AIR ACT FAULT. WAS ABLE TO RESET. A/C CHECKED AND RELEASED IAW MEL 21-32B. ACCOMPLISHED PZTC BITE TEST, NO FAULT SHOWS FROM PREVIOUS FLIGHT. NO FAULT FOUND DURING TEST. REMar 11, 2020 · N579AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2020031232412Sensor · dirtyRED BOX AROUND EGT AFTER ENGINE SHUTDOWN. GROUNDED - YES. REF B737-800 FIM 71-06 TASK 805, ACCOMPLISHED EEC BITE REF FIM 73-00 TASK 801. FOUND UPPER EGT SECTORS READING HIGH ON FLT LEG 3. ACCOMPLISHED EGT CLEANING REF B737-800 AMM 77-21-00-140-801. INITIAL REAMar 9, 2020 · N579AS · Boeing 737890 · Engine EGT/TIT Indicating SystemSDR ASAA2020022432252Blade · wornWHILE ACCOMPLISHING T/C 78472010 #1 ENGINE FOUND #8 FAN BLADE MISSING CU-NI-IN DAMAGE BEYOND LIMITS. GROUNDED - YES. REMOVED AND REPLACED FAN BLADES #8 & #20 AS PAIR ON #1 ENG REF B737-800 AMM 72-21-02-000-802-F00.Feb 23, 2020 · N579AS · Boeing 737890 · Turbine Engine Air Inlet SectionSDR ASAA2020022432251Spinner · damagedWHILE ACCOMPLISHING T/C 78472010 #1 ENGINE FOUND REAR SPINNER CONE HAS 1 NUTPLATE WITH LOSS OF RUN ON TORQUE. GROUNDED - YES. REMOVED AND REPLACED #1 ENG REAR SPINNER CONE PER T/C 78472010.Feb 23, 2020 · N579AS · Boeing 737890 · Turbine Engine Air Inlet SectionSDR ASAA2020022432250Spacer · debondedWHILE ACCOMPLISHING T/C 78472010 #1 ENGINE FOUND MORE THAN 8 SPACERS WITH DISBONDED ELASTOMER MATERIAL. GROUNDED - YES. REMOVED AND REPLACED ALL 24 FAN BLADE SPACERS ON THE #1 ENG PER T/C 78472010.Feb 23, 2020 · N579AS · Boeing 737890 · Turbine Engine Air Inlet SectionSDR ASAA2020013192031Valve · faultedON RECALL CONT CAB ZONE TEMP LIGHT ILLUMINATED, GOES OUT WHEN RESET. GROUNDED - YES. PERFORMED ZONE TEMP CONT BITE IAW FIM 21-62, TASK 801. FOUND NR 2 CONTROL FAULT, CONTROL CABIN TRIM VALVE. REMOVED AND REPLACED V143 TRIM VALVE IAW AMM 21-61-211. OPS CJan 29, 2020 · N579AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2019122431685Oil System · lowON ARRIVAL APU MAINT LIGHT ILLUMINATED ON APU START. GROUNDED - YES. BITE TEST APU FOR FAULTS. OIL QUANITY LOW FAULT LOGGED. SERVICED APU OIL AS REQUIRED.Dec 22, 2019 · N579AS · Boeing 737890 · APU Oil SystemSDR ASAA2019122061640Modulating Valve · inoperativeCONTROL CABIN TEMP SELECTOR ADJUSTED TO NEAR FULL WARM POSITION, ABLE TO INCREASE/DECREASE TEMP ON SUPPLY DUCT GAUGE BUT FLIGHT DECK CONTINUES TO BE VERY COLD. GROUNDED - YES. REMOVED & REPLACED FLIGHT DECK TCV (V143) PER B737-800 AMM 21-61-21, LK CK & OPS CK Dec 16, 2019 · N579AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2019121171533Motor · failedAT LEVEL OFF, #1 AFT FUEL PUMP "LOW PRESSURE" LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED B737-800 FIM 28-22 TASK 803 FOUND GFI "POPPED", RESET GFI AND RETESTED BOOST PUMP - NO HELP - LEFT #1 AFT GFI "POPPED". REPLACED #1 AFT FUEL BOOST PUMP PER B737-800 AMM Dec 7, 2019 · N579AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2019120961529Warning Message · false activation"FAIL" INDICATED ON RADIO CONTROL PANEL FOR HF #2. GROUNDED - YES. VERIFIED FAIL INDICATED FOR HF #2. PERFORMED B737-800 FIM 23-11 TASK 801. #2 HF BITE AND XMTS NORMAL. GRD VERIFICATION OK.Dec 6, 2019 · N579AS · Boeing 737890 · HF Communications SystemSDR ASAA2019120621499Indicator · inoperativeFUEL TEMP GAGE INOP. GROUNDED - YES. REMOVED AND REPLACED FUEL TEMP INDICATOR. REF B737-800 AMM TASK 28-43-21-020-802. OP CHECKED PER AMM TASK 28-43-00-710-801. OP CHECKS NORMAL. ETOPS GROUND VERIFICATION SUCCESSFUL.Dec 2, 2019 · N579AS · Boeing 737890 · Fuel Indicating SystemSDR ASAA2019112191388Pressure Switch · failedFUEL LOW PRESSURE LIGHT ILLUMINATED TANK #1 AFT WITH FUEL PUMP SWITCH ON. GROUNDED - YES. REMOVED AND REPLACED #1 AFT FUEL BOOST PRESSURE SW REF B737-800 AMM 28-42-11, OPS CHECK NORMAL PER SAME. REMOVED AND #1 AFT BOOST PUMP GFI RELAY R18 REF AMM 28-22-10 OPSNov 19, 2019 · N579AS · Boeing 737890 · Fuel Indicating SystemSDR ASAA2019111851359Warning Light · false activation#1 AFT FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED DURING CRUISE IMMEDIATELY AFTER PERFORMING FUEL CROSS FEED CHECK. LIGHT STAYED ON APPROX 2 MIN UNTIL PUMP WAS TURNED OFF. AFTER PUMP BEING OFF FOR 5 MINUTES, TURNED PUMP BACK ON AND LOW PRESSURE LIGHT WENT OUT ANNov 15, 2019 · N579AS · Boeing 737890 · Fuel Boost PumpSDR ASAA2019110631270Lubrication Unit · leakingON W/A FOUND EXCESSIVE AMOUNT OF OIL DRIPPING FROM #2 ENG REAR TURBINE FLANGE/FLAME ARRESTOR AFTER 4HRS @ SHUT DOWN. APPROX 1 DROP EVERY 2 SECOND. GROUNDED - YES. ACCOMPLISHED IDLE RUN FOR 5 MIN AT THE DIRECTION OF PWR PLANT TECH SERVICE. AFTER SHUT DOWN STILLNov 6, 2019 · N579AS · Boeing 737890 · Turbine Engine Oil SystemSDR ASAA2019110761260Adiru · out of alignmentWXR FAIL MESSAGE- CA AND FO ND. GROUNDED - YES. CYCLED POWER, RE ALIGNED ADIRU REF B737-800 AMM 34-21-00 OPS CK GOOD. A/C OK FOR SERVICE.Nov 6, 2019 · N579AS · Boeing 737890 · Weather Radar SystemSDR ASAA2019100192863Idg · failedDURING TAXI, NR 1 GEN SOURCE LIGHT ILLUMINATED. RAN QRH SOURCE OFF CHECKLIST. EXTINGUISHED WHEN APU GEN ON BUSS. GROUNDED - YES. REMOVED & REPLACED ENGINE NR 1 IDG IAW AMM 24-11-11.Sep 29, 2019 · N579AS · Boeing 737890 · AC Generator-AlternatorSDR ASAA2019092930842Warning System · false activation#1 SOURCE OFF LIGHT ILLUMINATED AT TOP OF DESCENT. RAN QRH SOURCE OFF CHECKLIST. SOURCE OFF LIGHT EXTINGUISHED WHEN APU RUNNING AND ON BUS. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 24-21 TASK 823. ALL CHECK NORMAL DETERMINED TO BE AN INTERMITTENT FAULT. CREW Sep 29, 2019 · N579AS · Boeing 737890 · AC Indicating SystemSDR ASAA2019090530627Unknown · malfunctionedAUTOLAND UNSUCCESSFUL. AT APPROX 100 FT AGL, A/C TURNED HARD RIGHT AND AUTOPILOT HAD TO BE DISCONNECTED TO MAINTAIN CONTROLLED FLIGHT. LANDED MANUALLY. ALL INDICATIONS NORMAL DOWN TO 100' AGL. (NOTE: HGS AIII OPERATED NORMALLY). GROUNDED - YES. DFCS 1&2 SHOW NSep 5, 2019 · N579AS · Boeing 737890 · Autopilot SystemSDR ASAA2019083093539Hf Comm · malfunctionedHF NR 1 SHOWING FAIL ON ACTIVE AND STANDBY. GROUNDED - YES. CYCLED A/C POWER & BATT OFF & ON. FAIL LIGHT CLEARED C/W FIM TASK 23-11, 802 & HF TRANSCIEVER BITE TEST TASK 23-11, 801. NO FAULTS INDICATED. OPS NORMAL.Aug 29, 2019 · N579AS · Boeing 737890 · HF Communications SystemSDR ASAA2019082130451Anti-Ice Valve · intermittentDURING CLIMBOUT, LEFT ENG ANT-ICE, YELLOW TAI LIGHT BLINKING FROM 3,000-10,000, ALSO BLINKING IN CRUISE AT FL400 ENG AI SWITCHES WERE OFF. GROUNDED - YES. REMOVED AND REPLACED L/H ENGINE COND TAI VALVE, PER B737-800 AMM 30-21-11. OPS CHECK GOOD.Aug 21, 2019 · N579AS · Boeing 737890 · Engine Anti-Icing System
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