N594AS

Service difficulty reports · 497

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 = 'N594AS' 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 ASAA2021052034877Guide Vane · crackedWHILE ACCOMPLISHING #2 ENG HPT BORO T/C 78472022 FOUND 4 EA LPT NGV CRACKED. EACH CRACKED NGV IS IN IT'S OWN SEGMENT. ONE IS CRACKED 1/2 TO 3/4 CHORD. 2 EA ARE CRACKED FULL CHORD. ONE IS CRACKED FULL CHORD WITH INTERSECTING CRACKS AND MISSING MATERIAL GREATER May 20, 2021 · N594AS · Boeing 737890 · Turbine SectionSDR ASAA2021041734588Control Valve · faultedWHILE ACCOMPLISHING T.C. NG-21EA-23228-1, TCV LIGHT ILLUMINATED DURING BITE TEST OF #2 PACK/ZONE TEMP CONTROLLER. GROUNDED - YES. REMOVED AND REPLACED RH TEMPERATURE CONTROL VALVE REF B737-800 AMM 21-51-10. REQUIRES TEST 1 OP CHECK OF TEMP CONTROL VALVE. PERFOApr 17, 2021 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2021041534590Control Valve · faultedRT PACK LIGHT ON MASTER RECALL OFF WITH MASTER RESET. GROUNDED - YES. REMOVED AND REPLACED RH TEMPERATURE CONTROL VALVE REF B737-800 AMM 21-51-10. PERFORMED OP'S CHECK PER AMM 21-61-00-700-806. LEAK TEST FAIL. FOUND LEAK AT AFT CLAMP LOOSEN DUCT, READJUSTED ANApr 15, 2021 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2021032734423Hf Comm · malfunctioned#2 HF INOP. GROUNDED - YES. ACCOMPLISHED B737-800 FIM REF 23-11 TASK 801 HF-2 OPS CKED GOOD NO DEFECTS NOTED SEAMC MARCUS NOTIFIED.Mar 27, 2021 · N594AS · Boeing 737890 · HF Communications SystemSDR ASAA2021032634422Warning Light · false indicationHF #1 FAIL FAIL INDICATION// RCP FAILURE. GROUNDED - YES. PERFORMED B737-800 FIM 23-11 TASK 801 HF BITE PROCEDURE. HF #1 RESET ITSELF. FAIL INDICATION RETURNED TO NORMAL. DUE TO ETOPS NATURE PLACED CALL TO KSFO AND OPS TEST GOOD PER B737-800 AMM 23-11-00-730-8Mar 26, 2021 · N594AS · Boeing 737890 · HF Communications SystemSDR ASAA2021031334283Control Valve · faultedRIGHT PACK LIGHT ILLUMINATED ON RECALL. EXTINGUISHES ON RESET. GROUNDED - YES. PERFORMED BITE CHECK OF RIGHT HAND PACK/ZONE TEMP CONTROLLER. INITIAL BITE TEST SHOWED TCV FAULT, ABLE TO RESET, BITE TEST OPS NORMAL, REF B737-800 AMM 21-61-00.Mar 13, 2021 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2021022334188Radar · malfunctionedTRANSIENT RADAR RETURNS 30-DEGREES LEFT OF NOSE. DISAPPEARS THEN REAPPEARS. HAPPENS IN ALL RADAR MODES. GROUNDED - YES. PERFORMED OPS CHK OF THE WXR IAW B737-800 AMM 34-43-00-710-802-001. OPS CHK PASSED AT THIS TIME. A/C OK FOR SERVICE. COULD NOT DUPLICFeb 23, 2021 · N594AS · Boeing 737890 · Weather Radar SystemSDR ASAA2021022034152Fmc · failedRIGHT FMC FAILED IN FLIGHT, WOULD NOT RESTORE AFTER QRH PROCEDURE. GROUNDED - YES. PERFORMED FMC OPERATIONAL TEST AND SYSTEM TEST REF B737-800 AMM 34-61-00. TEST OK, NO FAULTS NOTED.Feb 20, 2021 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2021021434091Sensor · out of adjustNEUTRAL SHIFT SENSOR A AND B AUTOPILOT INPUTS OUT OF ADJUSTMENT. GROUNDED - YES. ADJUSTED NEUTRAL SHIFT SENSOR A AND B REF B737-800 AMM 22-11-14-820-801. ACCOMPLISHED DFCS LRU REPLACEMENT TEST FOR PITCH SENS BITE GROP #47. ALL TEST PASS.Feb 14, 2021 · N594AS · Boeing 737890 · Autopilot SystemSDR ASAA2021011933903Fault Code · false activationWHILE ACCOMPLISHING TASKCARD 78273000 FOUND MESSAGE NR 73-20202 INTERNAL EEC FAULT LONG TIME FAULT DEFERRED, PER T/C 78273000 ON ENGINE 2. GROUNDED-YES. REF B737-800 FIM TASK 73-21 TASK 801 FOR FAULT CODE FAULT CODE IS 73-20202, MAINTENANCE MESSAGE DOES NOT Jan 19, 2021 · N594AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2020081193006Control Panel · intermittentWX RADAR TEST BUTTON INTERMITTENT. GROUNDED - YES. REMOVED AND REPLACED AND OPS CHECK GOOD WXR CONTROL PANEL IAW B737-800 AMM 34-43-91-000-801, & AMM 34-43-91-400-801.Aug 9, 2020 · N594AS · Boeing 737890 · Weather Radar SystemSDR ASAA2020081193005Bulb · inoperativeINTERIOR EMERGENCY EXIT LIGHT BULBS INOP AT L1 DOOR AND ABOVE ROW 17D. GROUNDED - YES. RELAMPED & OPS CHECK GOOD EMERGENCY LIGHTS AT L1 DOOR AND ROW 17D IAW B737-800 AMM 33-51-01-960-801 & 33-51-03-960-801.Aug 9, 2020 · N594AS · Boeing 737890 · Emergency LightingSDR ASAA2020080933004Idg · malfunctionedGENERATOR CONTROL UNIT NR 2 BOX IN E & E BAY HAS IDG FAULT LIGHT. GROUNDED - YES. RECONNECTED THE NR 2 IDG, PERFORMED TEST OF THE NR 2 GCU AND PERFORMED OPS TEST OF NR 2 IDG, ALL CHECKED GOOD IAW AMM 24-11-11-700-801, AND AMM 24-11-00-700-803.Aug 9, 2020 · N594AS · Boeing 737890 · AC Generator-AlternatorSDR ASAA2020080472978Skin · crackedL/H HORIZ LWR SKIN HAS 2EA CRACKS STA 135 8.5" AND 17" FROM L/E. GROUNDED - YES. REPAIRED HORIZONTAL STAB SKIN IAW B737 800 SRM 65 10 01 2R 11.Jul 17, 2020 · N594AS · Boeing 737890 · Horizontal Stabilizer, Plate/SkinSDR ASAA2020080372962Floorbeam · corrodedSTA 986 FLOOR BEAM HAS CORR AT NUTPLATE HOLE RBL 48. GROUNDED - YES. REMOVED CORR, FOUND TO BE OUT OF LIMITS IAW B737 800 SRM 53 70 51 1A 1 CUT OUT DAMAGED SECTION OF FLOOR BEAM AND ACCOMPLISHED PERMANENT REPAIR IAW B737 800 SRM 53 70 51 2R 4 REP 4 W 2 O .150 Jul 17, 2020 · N594AS · Boeing 737890 · Fuselage Main, Floor BeamSDR ASAA2020080312961Skin · crackedREF MIG5 OK186606 AND OK186607, R/H HORIZ LWR SKIN HAS 2EA. CRACKS STA 135 25" AND 32.5" FROM L/E. GROUNDED - YES. REPAIRED RH HORIZ LWR SKIN 2EA. CRACKS AT STAB STA. 135 25" AND 32.5" FROM L/E IAW 737 800 SRM 55 10 01 2R 11 THIS IS A CAT B REPAIR REQ. INSPECTJul 17, 2020 · N594AS · Boeing 737890 · Horizontal Stabilizer, Plate/SkinSDR ASAA2020072472925Floorbeam · corrodedSTA 986 FLOOR BEAM HAS CORR AT NUTPLATE HOLE LBL 48. GROUNDED - YES. BLENDED OUT CORR ON FLOOR BEAM AT STA 986, LBL 48. AREA FOUND TO BE OUT OF LIMITS IAW B737 800 SRM 53 70 51 1A 1 FIG 104.C. FABBED REPAIR PART IAW B737 800 SRM 53 70 51 2R 6 AND INSTALLED IAWJul 17, 2020 · N594AS · Boeing 737890 · Fuselage Main, Floor BeamSDR ASAA2020080542984Skin · crackedL/H HORIZ LWR SKIN IS CRACKED AT STA 129, 34" FROM L/E. GROUNDED - YES. REPAIRED HORIZ STAB SKIN IAW B737 800 SRM 55 10 01 2R 11 THIS IS A CATEGORY B REPAIR.Jul 14, 2020 · N594AS · Boeing 737890 · Horizontal Stabilizer, Plate/SkinSDR ASAA2020080432979Skin · crackedL/H HORIZ LWR SKIN IS CRACKED AT STA 101 18" FROM L/E. GROUNDED - YES. REPAIRED HORIZ. STAB SKIN IAW B737 800 SRM 55 10 01 2R 11 THIS IS A CATEGORY B REPAIR.Jul 14, 2020 · N594AS · Boeing 737890 · Horizontal Stabilizer, Plate/SkinSDR ASAA2020080342963Skin · crackedR/H HORIZ LWR SKIN CRACKED AT STA 147 8.5" FROM L/E. GROUNDED - YES. REPAIRED R/H HORIZ LWR SKIN CRACKED AT STAB STA 147 8.5" FROM L/E IAW 737 800 SRM 55 10 01 2R 11 THIS IS CAT B REPAIR REQ INSPECTION AT THRESHOLD OF 56,000 FLT. CYCLES. REPEAT INSPECTIONS METJul 14, 2020 · N594AS · Boeing 737890 · Horizontal Stabilizer, Plate/SkinSDR ASAA2020032332500Battery Pack · dischargedEMERGENCY LIGHTS AT ROW 1 ABC INOP. GROUNDED - YES. PERFORMED EMERGENCY LIGHTING PROBLEM REF B737-800 FIM 33-50 TASK 801, FOUND CHARGER ASSY AT ROW 16 ABC DEFECTIVE. REPLACED BATTERY PACK PN: ADD717-01-100 REF B737-800 AMM 33-51-06-960-806 & 33-51-06-960-805. Mar 22, 2020 · N594AS · Boeing 737890 · Emergency LightingSDR ASAA2020022132254Wire Harness · damaged#2 ENG GND WING TAI TEMP SOL VALVE CONNECTOR FOUND DAMAGED. GROUNDED - YES. REPLACED #2 ENGINE MW0311 HARNESS REF B737-800 MM 73-21-06. INSTALLATION TESTS REQUIRED. MW0311 INSTALL TEST GOOD REF AMM 73-21-06-400-802-F00 5.E.(2).(C).2). TAI SOLENOID VALVE TEST GFeb 21, 2020 · N594AS · Boeing 737890 · Engine Fuel System WiringSDR ASAA2020022412240Warning Message · false activation#2 ENGINE SPAR VALVE LIGHT ILLUMINATED BRIGHT BLUE UPON INSPECTION, CB POPPED. GROUNDED - YES. RESET #2 ENGINE SPAR VALVE C/B IAW B737-800 AMM 20-60-01 - PERFORMED #2 ENGINE SPAR VALVE TEST IAW AMM 28-22-00-710-801. RAN #2 ENGINE FOR OPERATIONAL CHECK PER AMM Feb 21, 2020 · N594AS · Boeing 737890 · Aircraft Fuel Distribution SystemSDR ASAA2020022403253Wire Harness · damaged#2 ENGINE J9 AND J10 HARNESSES SHOW SIGNS OF CONTACT DAMAGE. GROUNDED - YES. REPLACED #2 ENGINE J9 AND J10 HARNESSES REF B737-800 AMM 73-21-06. ACCOMPLISHED FADEC SYS TEST REF B737-800 AMM 73-21-00 PARA 5.D(1) AND (3)(A)-(C), (E). ACCOMPLISHED ACTUATORS TEST IFeb 20, 2020 · N594AS · Boeing 737890 · Engine Fuel System WiringSDR ASAA2020021403138Control Valve · failedRIGHT PACK LIGHT ILLUMINATED ON RECALL AT TOP OF DESCENT. RESET WHEN M/C PUSHED. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 21-62 TASK 801 #2 CONTROLLER FAULTED TCV THIS PACK ON BIT AND GREEN ON PREV FLT, ON VERIFY HARD FAULTED TCV. REMOVED AND REPLACED RH PACKFeb 10, 2020 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2020021073114Warning Message · false activationRIGHT PACK LIGHT ILLUMINATED ON RECALL. GOES OUT ON RESET. GROUNDED - YES. ACCOMPLISHED TEMP CONTROLLER BITE PER B737-800 AMM TASK 21-61-00-700-806-002. FOUND BIT AND PREV FLT SHOWED "TCV" THIS PACK (RIGHT). FAULT RESET AND BIT IS NOW "GO". OPS GOOD PER AMM TAFeb 7, 2020 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2020013082022Heater · inoperativeAUX PITOT ANNUNCIATOR LIGHT ILLUMINATE DURING TAXI FOR TAKEOFF. GROUNDED - YES. REMOVED AND REPLACED AUX PITOT PROBE IAW AMM 34-11-01. LEAK AND OPS NORMAL IAW AMM 34-11-01-400-801.Jan 28, 2020 · N594AS · Boeing 737890 · Airfoil Anti/De-ice SystemSDR ASAA2020012203926Warning Message · false activationCONT CABIN ZONE TEMP LIGHT ILLUMINATES ON MASTER RECALL. EXTINGUISHES WHEN RESET. GROUNDED - YES. ACCOMPLISHED FIM 21-62 TASK 801. RT PZTC SHOWED FLT DECK TRIM VALVE FAULT. RESET CONTROLLER.Jan 20, 2020 · N594AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA2019121633605Sign · detachedEXIT SIGN FELL OFF MID CABIN. GROUNDED - YES. REINSTALLED EXIT SIGN ON MID CABIN AS REQUIRED. NO FURTHER DEFECTS NOTED.Dec 13, 2019 · N594AS · Boeing 737890 · Emergency LightingSDR ASAA2019120651512Hf Comm · failedHF1 FAIL GROUNDED - YES. PERFORMED B737-800 FIM TASK 23-11-00 HF COMM SYS-BITE PROCEDURE "HF 1 TRANSCEIVER CHECKS GOOD, HF 2 ALSO PASSES BITE TEST.CYCLED HF 1 CB AT P18-2 E11, HF 1 CHECKS GOOD GROUND VERIFICATION SUCCESSFUL.Dec 5, 2019 · N594AS · Boeing 737890 · HF Communications SystemSDR ASAA2019102971159Indicator · failedFUELER REPORTS #1 TANK FUEL INDICATOR ON WING INTERMITTENT. GROUNDED - YES. REMOVED AND REPLACED #1 FUEL TANK ON WING INDICATOR REF B737-800 AMM 28-41-61-00-801.OPS TEST GOOD.Oct 27, 2019 · N594AS · Boeing 737890 · Fuel Quantity IndicatorSDR ASAA2019102971156Hf Comm · malfunctioned#2 HF WILL NOT TRANSMIT. GROUNDED - YES. PERFORMED B737-800 FIM 23-11-00-810-801. #2 HF BITE TESTS OK. PERFORMED FIM 23-11-00-810-806. PULLED AND RESET #2 HF C.B. AND OPS TEST OK PER FIM.Oct 27, 2019 · N594AS · Boeing 737890 · HF Communications SystemSDR ASAA2019102131365Actuator · failed#2 ENGINE EEC BITE SHOWS LONG TIME FAULT 75-10392 "THE VSV POSITION SIGNAL IS OUT OF RANGE" LOGGED FOR ALL TEN STARTS IN EEC MEMORY. GROUNDED - YES. REMOVED RIGHT VSV ACTUATOR @ #2 ENGINE PER AMM 75-31-01. INSTALLED NEW RH VSV ACTUATOR @ #2 ENG PER AMM 75-31-0Oct 21, 2019 · N594AS · Boeing 737890 · Compressor Bleed ControlSDR ASAA2019100873955Connector · looseWHILE PERFORMING TC8420000 - FOUND ALTERNATOR PLUGS DP802 AND DP0702 LOOSE BOOT PLU. J8 AND J7 HARNESS REQ. REPLACEMENT ON #1 ENGINE. GROUNDED - YES. RMVD AND INSTALLED 1EACH J8 AND J7 ENGINE HARNESS. REF B737-800 AMM 73-21-06. PERFORMED #1 ENG EEC, AMM TASK 7Oct 7, 2019 · N594AS · Boeing 737890 · Engine Fuel System WiringSDR ASAA2019100433904Start Valve · damagedWHILE ACCOMPLISHING #1 ENG INLET INSP T/C 78472000, FOUND START VALVE CONTACTING MAIN HYD LINE. GROUNDED - YES. INSPECTED AND FOUND DAMAGE ON BOTH THE START VALVE AND HYD SUPPLY LINE, REMOVED AND REPLACED ENG 1 START VALVE REF B737-800 AMM 80-11-03, OPS AND LEOct 3, 2019 · N594AS · Boeing 737890 · Engine Start Valves/ControlsSDR ASAA2019100310890Display · malfunctionedDURING TAXI-IN THE F/O'S ND DISPLAY SHOWED VTK AND THE RIGHT CDU FROZE. EVERYTHING CAME BACK TO NORMAL AFTER APPROX 2 MINUTES. GROUNDED - YES. ACCOMPLISHED FIM 34-61 TASK 801. NO FAULTS NOTED. ACCOMPLISHED SUCCESSFUL GROUND VERIFICATION OF CDU SYSTEM PER 31-6Oct 1, 2019 · N594AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA2019083130599Hmu · failed#2 ENG "FAIL" DURING TAXI OUT. GROUNDED - YES. REMOVED AND REPLACED HMU. REMOVED AND REPLACED MAIN OIL/FUEL HEAT EXCHANGER REF. AMM 79-21-02-000-801-F00 AND AMM 79-21-02-400-801-F00. PERFORMED TEST 3A,12 AND 13; NO LEAK NOTED, OPERATIONAL CKS GOOD, NO FAULT ONAug 31, 2019 · N594AS · Boeing 737890 · Fuel Controlling SystemSDR ASAA2019082963517Static Inverter · faultedELEC LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. VERIFIED DISCREPANCY - ABLE TO RESET FAULT. DUE TO PREVIOUS HISTORY REPLACED STATIC INVERTER. RMVD AND INSTALLED NEW STATIC INVERTER REF B737-800 AMM 24-34-21. PERFORMED OPS TEST REF STEP G AMM 24-34-21. SYAug 26, 2019 · N594AS · Boeing 737890 · DC Generating SystemSDR ASAA2019082853518Warning Light · false activationGOT ELEC AMBER LIGHT ON LANDING. GROUNDED - YES. PERFORMED BITE PROCEDURE FOUND STATIC INVERTER FAULT. PERFORMED FIM 24-31 TASK 801, FAULT CLEARED NO PREVIOUS HISTORY.Aug 25, 2019 · N594AS · Boeing 737890 · Central WarningSDR ASAA2019082623468Actuator · failedRIGHT PACK LIGHT ILLUMINATED ON MASTER CAUTION RECALL AFTER START, EXTINGUISHES UPON MASTER CAUTION RESET. GROUNDED - YES. DUE TO HISTORY, REMOVED & REPLACED R/H RAM AIR INLET ACTUATOR REF B737-800 AMM 21-51-21. PULLED & RESET 2 TOTAL C/BS. ACCOMPLISHED #2 PACAug 22, 2019 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2019082083425Controller · failedUPON FAULT RECALL, AIR COND LIGHT AND RIGHT HAND PACK LIGHT ON OVERHEAD PANEL, WITH M/C RESET. RT PACK LIGHT GOES OUT. GROUNDED - YES. REMOVED AND REPLACED RH PACK CONTROLLER IAW B737-800 AMM 21-61-20. OPS CHECKS GOOD. GROUND VERIFICATION GOOD.Aug 18, 2019 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2019082073428Indicator · inoperativeNR 1 FUEL QTY INDICATOR INOP AT WING PANEL. GROUNDED - YES. REMOVED AND REPLACED NR 1 FUEL QUANTITY INDICATOR ON REFUEL PANEL IAW AMM 24-41-61 STEP G. OPS CHECKS GOOD. 1 C/B PULLED AND RESET. THIS CLEARS MEL 28-12B. NO CONFIGURATION CHANGES. ALL PLACARDS REMOVAug 17, 2019 · N594AS · Boeing 737890 · Fuel Quantity IndicatorSDR ASAA2019081963411Indicator · inoperative#2 TANK REFUEL PANEL IND DOES NOT SHOW TANK IDENTIFIER. GROUNDED - YES. REMOVED + REPLACED #2 TANK REFUEL PANEL IND. OPS TEST NORMAL. REF B737-800 AMM 28-41-61/401.Aug 16, 2019 · N594AS · Boeing 737890 · Fuel Quantity IndicatorSDR ASAA2019080643315Warning Light · false activationRIGHT PACK LIGHT ILLUMINATED ON RECALL. GROUNDED - YES. PERFORMED PACK/ZONE TEMPERATURE CONTROLLER BITE TEST IAW AMM 21-61-00-700-806-002. PREVIOUS FLIGHT SHOWED NR 2 RAM AIR ACTUATOR FAULTED. VERIFY TEST SHOWED NO CURRENT FAULTS. RAN RIGHT PACK FOR 10 MIN. RAug 4, 2019 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2019080129256Warning Message · false activationON RECALL, RH PACK LIGHT ILLUMINATES, AND IT EXTINGUISHES UPON MASTER CAUTION RESET. GROUNDED - YES. T/S PERFORMED IAW B737-800 AMM 21-51-00-700-803 AND 21-51-00-700-802. NO FAULTS NOTED.Jul 29, 2019 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2019072330156Modulating Valve · failedRT PACK ANNUNCIATOR ILLUMINATED ON RECALL - RESET PACK AND MASTER BUT LIGHT REMAINED ILLUMINATED. GROUNDED - YES. PERFORMED BITE CK, GREEN GO LIGHT ILLUMINATED, RAN RT PACK FOR 5 MIN, REACCOMPLISHED BITE CK, RT PACK TCV FAULTED, ISOLATED FAULT TO THE RT PACK TJul 23, 2019 · N594AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA2019070329902Warning System · false activationHF #2 DISPLAYED FAIL ON BOTH RCPS. FAIL WOULD GO AWAY WHEN TRANSFER SWITCHED WAS DEPRESSED. FAIL WOULD RETURN AFTER APPROX 5 SECONDS. STATIC AND NORMAL RECEIVE WAS OBSERVED THROUGH AUDIO CHANNEL AT ALL TIMES. DURING WRITE UP FAIL WENT AWAY. GROUNDED - YES. PERJul 3, 2019 · N594AS · Boeing 737890 · HF Communications SystemSDR ASAA201906249802Oil Filter · cloggedWHILE PERFORMING TASK CARD N8349002 W/O #457128 FOUND APU LUBE FILTER ELEMENT RED PIN EXTENDED. GROUNDED - YES. REMOVED AND REPLACED APU LUBE ELEMENT FILTER REF B737-800 AMM 49-91-12 PER TC N8349002 W/O #457128 STEP 1.D.(1)(B).Jun 22, 2019 · N594AS · Boeing 737890 · APU Oil SystemSDR ASAA2019062499779Converter · failedAFTER STARTING THE APU THE BLUE MAINT LIGHT CAME ON. AFTER WE SHUT DOWN THE APU THE FAULT LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED APU STARTER GENERATOR. REF B737-800 AMM TASK 49-41-21-000-881 AND AMM 49-41-21-400-801. NO HELP. REMOVED AND REPLAJun 19, 2019 · N594AS · Boeing 737890 · APU Start/Ignition SystemSDR ASAA2019062499759Fuel Tank · failed#2 MAIN TANK FQIS HAS BAD BAD PROBES FOUND DURING TSR703168: COMP, F2, F4, F5 AND F6. GROUNDED - YES. REPLACED #2 MAIN TANK PROBES F4, F5, AND F6 IAW B737-800 AMM 28-41-21/401 TANK UNITS ARE WITHIN LIMITS. REMOVED AND INSTALLED COMPENSATOR AND F2 TANK UNIT ON Jun 19, 2019 · N594AS · Boeing 737890 · Fuel Storage
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