N495AS

Service difficulty reports · 154

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 = 'N495AS' 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 ASAA2021121836933Unknown · inoperativeHF 1 RADIO UNABLE TO TRANSMIT NOR RECEIVE ON BOTH ACP'S. GROUNDED - YES. REMOVED AND REPLACED HF #1 TRANSCEIVER PER B737-900 AMM 23-11-21. PERFORMED GOOD INSTALLATION TEST OF HF #1 PER AMM 23-11-21-400-801. PERFORMED GOOD HF #1 SYSTEM TEST PER AMM 23-11-00-730Dec 18, 2021 · N495AS · Boeing 737990ER · HF Communications SystemSDR ASAA2021121636915Display · inoperativeAT CRUISE FL 340 #1 MCDU FAILED WITH BLANK SCREEN AFTER APPROX 5 SECOND BIT PASS APPEARED. THEN MCDU RESUMED NORMAL OPS. GROUNDED - YES. REMOVED & REPLACED #1 MCDU REF B737-900 AMM 34-61-01 & OPS CKS GOOD SW VERIFIED PER B737-900 IPC 34-61-01-03 GROUND VERIFICDec 16, 2021 · N495AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2021121136864Unknown · unknownAUTOTHROTTLE WONT STAY ENGAGED. GROUNDED - YES. PERFORMED AUTOTHROTTLE BITE. NO FAULTS FOUND. REF B737-900 FIM 22-31 TASK 801. AUTOTROTTLE SYSTEM OPERATION TEST. REF B737-900 AMM 22-31-00-710-801.Dec 11, 2021 · N495AS · Boeing 737990ER · Auto Throttle SystemSDR ASAA2021101436511Cargo Track · corrodedFWD CARGO TRACK TIE DOWN LUG AT STA 500L HAS 2 EA. CORRODED NUT PLATES O/B SIDE OF LUG. GROUNDED - YES. SURFACE BLENDED R/H CARGO TRACK TIE DOWN AT STA. 500L, FOUND TO BE OUT OF LIMITS, REMOVED AND REPLACED DAMAGED TRACK WITH NEW STA 500C TO 500L AND RESTORED Oct 14, 2021 · N495AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2021101436429Plate · corrodedFWD CARGO RH TRANSITION PANEL HAS AREAS OF CORROSION FROM STA 500D TO 500L. GROUNDED - YES. REPAIRED FWD CARGO RH TRANSITION PANEL FROM STA 500C TO 500L IAW 737-900ER SRM 53-00-53-2R-5 PANEL WAS FOUND TO BE OUT OF LIMITS IAW 737-900ER SRM 53-00-53-1A-2 DETAIL Oct 14, 2021 · N495AS · Boeing 737990ER · Fuselage Main, StructureSDR ASAA2021101436428Plate · corrodedFWD CARGO LH TRANSITION PANEL HAS AREAS OF CORROSION FROM STA 500D TO 500L. GROUNDED - YES. REMOVED CORROSION AND CHECKED LIMITS FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2 REPAIRED TRANSITION PANEL IAW B737-900ER SRM 53-00-53-2R-5W=2.5 O=.040 ROct 14, 2021 · N495AS · Boeing 737990ER · Fuselage Main, StructureSDR ASAA2021101336431Rail · corrodedFWD CARGO AFT BULKHEAD CENTER PANEL LOWER SUPPORT FRAME CORRODED. GROUNDED - YES. REMOVED CORROSION AND CHECKED LIMITS FOUND LOWER SUPPORT RAIL OUT OF LIMITS IAW B737-900ER SRM 53-30-08-1A-1 REMOVED AND REPLACED SUPPORT RAIL IAW B737-900ER SRM 51-40-02-0G-0W=1Oct 13, 2021 · N495AS · Boeing 737990ER · Fuselage Miscellaneous StructureSDR ASAA2021101336430Plate · corrodedL/H TRANSITION PANEL CORRODED FROM STA 727B+10 TO STA 787. GROUNDED - YES. REMOVED CORROSION AND CHECKED LIMITS FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2 REMOVED AND REPLACED TRANSITION PANEL IAW B737-900ER SRM 53-00-53-2R-5W=2.0 O=.040 R=.021Oct 13, 2021 · N495AS · Boeing 737990ER · Fuselage Main, StructureSDR ASAA2021101336422Plate · corrodedR/H TRANSITION PANEL CORRODED FROM STA 727C TO STA 767. GROUNDED - YES. REMOVED CORROSION AND CHECKED LIMITS AND FOUND TRANSITION PANEL TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2 REMOVED AND REPLACED TRANSITION PANEL IAW B737-900ER SRM 53-00-53-2R-5.Oct 13, 2021 · N495AS · Boeing 737990ER · Fuselage Main, StructureSDR ASAA2021091335948Spacer · debondedPER T/C 78472010 #2 ENG. FAN BLADE LUBE SPACERS 1,2,3,5,14,AND 23 ELASTOMERS ARE DISBONDED. GROUNDED - YES. REMOVED AND REPLACED #2 ENG. FAN BLADE SPACERS 1,2,3,5,14, AND 23 REF. T/C 78472010.Sep 13, 2021 · N495AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021091335947Spinner · damagedPER T/C 78472010 #2 ENG FAN BLADE LUBE FRONT SPINNER CONE HAS A NICK. GROUNDED - YES. REMOVED AND REPLACED #2 ENG. FRONT SPINNER CONE REF. T/C 78472010.Sep 13, 2021 · N495AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2021071135383Sensor · faultedFOUND ENG#2 SHORT TIME FAULT. MSG# 75-20802. "T25 SIGNALS DISAGREE" DEFER PER T/C 78273000. GROUNDED - YES. REMOVED AND REPLACED #2 ENG T25 SENSOR REF B737-900 AMM 73-21-02 OP CK GOOD FAULT NO LONGER PRESENT.Jul 11, 2021 · N495AS · Boeing 737990ER · Engine Cooling SystemSDR ASAA2021071135382Sensor · faultedFOUND ENG#2 SHORT TIME FAULT. MSG# 75-10802. "T25 SIGNALS DISAGREE" DEFER PER T/C 78273000. GROUNDED - YES. REMOVED AND REPLACED #2 ENG T25 SENSOR REF B737-900 AMM 73-21-02 OP CK GOOD FAULT NO LONGER PRESENT.Jul 11, 2021 · N495AS · Boeing 737990ER · Engine Cooling SystemSDR ASAA2021070135232Control Valve · faultedA FEW MINUTES LATER:AFTER PREVIOUS PAGE MALFUNCTION, PRESSED RECALL AGAIN R PACK LIGHT ILLUMINATED THEN EXTINGUISHED SOON AFTER. GROUNDED - YES. LAST LEG ON R/H PFTC SHOWS OPP PFTC ACTIVITY FAULT MESSAGE 21-5114 & BITE TEST FAILED PACK FLOW SENSOR 21-51239. REJul 1, 2021 · N495AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2021062135165Sensor · faultedWHILE PERFORMING T.C. #78273000, #2 ENGINE HAS SHORT TIME FAULT 75-20802 T25 SIGNALS DISAGREE. GROUNDED - YES. REMOVED AND REPLACED ENG #2 T25 SENSOR REF B737-900 AMM 73-21-02. OPS CHECK GOOD A/C OK FOR SERVICE.Jun 21, 2021 · N495AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2021052934984Eec · faultedENGINE 2 SHORT TIME FAULT - MSG NBR 75-20802T25 SIGNALS DISAGREE DEFERRED PER TASK CARD T/C 78273000. GROUNDED - YES. NOTED THAT IN THE PAST 90 DAY HISTORY OF CH 73 AND 75, THE #2 EEC PRODUCED THE FAULT AS A CHANNEL B, DUAL, DUAL, A, AND THEN B CHANNEL FAULT. May 29, 2021 · N495AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2021042334674Sensor · faultedFOUND #2 ENG SHORT TIME FAULT 75-30802 T25 SIGNALS DISAGREE. GROUNDED - YES. REMOVED & REPLACED T25 SENSOR IAW B737-900 AMM 73-21-02. OPS CHECK GOOD REF AMMM 73-21-02.Apr 23, 2021 · N495AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2021041734621Sensor · faultedNR 2 ENG, MSG 75-20802. SHORT TIME FAULT. T25 SIGNALS DISAGREE. DEFERRED PER T/C 78273000. GROUNDED - YES. REMOVED & REPLACED T25 SENSOR IAW AMM 73-21-02-000-801-F00 & 73-21-02-400-801-F00, EEC TEST 73-21-00-700-804-F00 CLEARED FAULT MSG 75-20802.Apr 17, 2021 · N495AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2021030734264Autopilot Sys · faultedAUTOPILOT A WILL NOT ENGAGE. GROUNDED - YES. DFCS A F.F.R. SHOWED FOUND FAULT LOGGED ON ONLY 1 FLT LEG. PERFORMED B737-900 FIM 22-13 TASK 804, INITIAL EVALUATION TEST, AILERON TEST 20.31 GOOD NUMEROUS TIMES. PERFORMED LAND VERIFY BITE #49 , PASS WITH NO FAULTSMar 7, 2021 · N495AS · Boeing 737990ER · Autopilot SystemSDR ASAA2021030134222Control Valve · faultyON RECALL GOT LEFT PACK LIGHT / LIGHT EXTINGUISHES WHEN RESET IS PRESSED. GROUNDED - YES. PERFORMED PFTC BITE REF B737-900 AMM 21-61-00-740-801. CONTROLLERS LEFT AND RIGHT LOGGED SEVERAL FAULT CODE 21-51265, 21-51267. REMOVED & REPLACED L/H TEMP CONTROL VLV REMar 1, 2021 · N495AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2021013033995Actuator · faultyENG NR 2, FAULT CODE 75-30452, THE VBV POSITION SIGNALS DISAGREE. SHORT TIME FAULT. DEFERRED PER TC 78273000. THIS FAULT HAS 30 DAY HISTORY, X2 PREVIOUS HITS. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 75-32 TASK 803. LEFT ACTUATOR READS OUT OF TOLERANCE.Jan 30, 2021 · N495AS · Boeing 737990ER · Compressor Bleed ValveSDR ASAA2021011633897Fault Message · false activationWHILE ACCOMPLISHING TC 78273000 NFOUND #2 ENGINE SHORT TIME FAULT MSG # 75-30452, VBV POSITION SIGNAL DISAGREE. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 75-32 TASK 803 VBV POSITION SIGNAL FAULT ISOLATION NO LOGGED FAULTS OK FOR CONTINUED SERVICE.Jan 16, 2021 · N495AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2021011633890Spacer · debondedWHILE ACCOMPLISHING T/C 78472010 NR 1 ENGINE FOUND, 12 FAN BLADE SPACERS DISBONDED ELASTIROMERIC MATERIAL. GROUNDED-YES. REPLACED 12 EA FAN BLADE SPACERS ON NR 1 ENGINE, REF T/C 78472010.Jan 16, 2021 · N495AS · Boeing 737990ER · Turbine Engine Air Inlet SectionSDR ASAA2020122433769Actuator · faultedDURING ACCOMPLISHMENT OF T/C 78273000 FOUND MAINT MESSAGE NR 75-30452 "THE VBV POSITION SIGNALS DISAGREE" "SHORT TIME" ON NR 2 ENGINE. GROUNDED-YES. DISCONNECTED AND INSPECTED CONNECTORS DP0908, DP1008, DP0909, AND DP1010 WITH NO FAULTS FOUND. MEASURED RESIDec 24, 2020 · N495AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2020121433707Fault Message · false activationWHILE ACCOMPLISHING TASK CARD 78273000 FOUND SHORT TIME FAULT ON NR 2 ENGINE MESSAGE NBR 75-30452 VBV SIGNALS DISAGREE. GROUNDED-YES. ACCOMPLISHED VBV POSITION SIGNALS DISAGREE B737-900 FIM 75-32 TASK 803. FAULT IS INTERMITTENT. ACCOMPLISHED VBV RING GUIDEDec 14, 2020 · N495AS · Boeing 737990ER · Central WarningSDR ASAA2020110833507Modulating Valve · inoperativeAT CRUISE AT 350, CABIN PRESSURE FLUCTUATED NONSTOP +/- 500' FPM ENTIRE FLIGHT. NOTICEABLE IN EARS AND GAUGE. CABIN HELD STEADY AT 7000' AND 7.8 PSID. DESCENDED LATER TO 310 AND FLUCTUATIONS CONTINUED. GROUNDED-YES. CABIN PRESS CONTROL NR 1 AND NR 2 BITENov 8, 2020 · N495AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2020100733323Valve · faultedAFTER ENGINE START ON RECALL-CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED, AFTER MASTER CAUTION RESET ZONE TEMP LIGHT GOES OUT. GROUNDED-YES. PACK TEMP CONTROL BITE DONE FOR LT AND RT PACK. NO FAULTS ON LT PACK AND 2 FAULTS ON RT PACK, FAULTS 21-51267 (PACK TCOct 7, 2020 · N495AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2020100633336Sensor · faultedDURING PERFORMANCE TASK CARD 78273000 MESSAGE NR 75-10802 T25 SIGNALS DISAGREE SHORT TIME FAULT DEFERRED, PER T/C 78273000. GROUNDED-YES. EEC NR 2 FAULT HISTORY SHOWS MESSAGE 75-10802 RE-OCCURRING ON LEG 4 AND 8. NO CURRENT FAULTS. REPLACED NR 2 ENGINE PT2Oct 6, 2020 · N495AS · Boeing 737990ER · Fuel Controlling SystemSDR ASAA2020091103162Guide · debondedFOUND TWO MAINT MESSAGES ON NR 2 ENG RECENT FAULTS. 75-10452 AND 75-20452 THE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. PERFORMED FIM TROUBLESHOOTING, REF B737-900 FIM 75-32 TASK 803. FOUND TWO VBV RING GUIDE PADS DISBONDED AT 6 O`CLOCK AND 7 O`CLOCK Sep 10, 2020 · N495AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2020072732974Wire Harness · faultyWHILE PERFORMING T/C 78273000, FOUND ENG #2 FAULT MSG # 75-30452 "THE VBV POSITION SIGNALS DISAGREE. SHORT TIME FAULT DEFERRAL REQUIRED. GROUNDED - YES. RELEASED ON PLT PER T/C PLT 78273000 50 FLT HRS SHORT TIME FAULT. REF B737-900 FIM 75-32 TASK 803 PERFORMEDJul 27, 2020 · N495AS · Boeing 737990ER · Engine Fuel System WiringSDR ASAA2020062232820Blade · delaminatedWHILE ACCOMPLISHING FAN BLADE LUBE ON THE NR 2 ENGINE NOTED THAT FAN BLADE SPACERS AT LOCATIONS 4,7,10, AND 21 ARE DELAMINATING. GROUNDED - YES. REMOVED AND REPLACED FAN BLADE SPACERS AT LOCATIONS 4,7,10 AND 21 WITH NEW PER TASK CARD 78472010 ON NR 2 ENGINE.Jun 20, 2020 · N495AS · Boeing 737990ER · Turbine Engine Compressor SectionSDR ASAA2020021203153Fmc · malfunctioned# 1 FMC ONLY WORKS WITH RTE PAGE. GROUNDED - YES. AFTER POWER TRANSFER (APU TO GPU) FMC OPERATES NORMALLY. PERFORMED #1 FMC OPERATIONAL TEST REF B737-900 AMM 34-61-00. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.Feb 10, 2020 · N495AS · Boeing 737990ER · Flight Management Computing Hardware SystemSDR ASAA2020020632111Connector · contaminated#2 THE FMV POSITION SIGNALS DISAGREE MSG # 73-30352. SHORT TERM FAULT. 50 FLT HRS DEFERRED FOR T/C # 78273000. GROUNDED - YES. FAULT 73-30352 NOT LOGGED ON LAST 0-5 FLTS. REF B737-900 FIM 73-25 TASK 804 - PERFORMED ONLY INITIAL EVAL TEST OF EEC TEST - GOOD. DFeb 6, 2020 · N495AS · Boeing 737990ER · Engine Fuel System WiringSDR ASAA2020013062027Actuator · faultedNR 2 ENGINE HAD A SHORT TIME FAULT MESSAGE 75-30452 THE VBV POSITION SIGNALS DISAGREE. DEFERRED PER T/C 78273000. GROUNDED - YES. ACCOMP B737-900 FIM 75-32 TASK 803. ACCOMP. EEC BITE IAW FIM 73-00 TASK 801. NO FAULTS FOUND. ACCOMPLISHED ACTUATORS TEST IAW AMM Jan 26, 2020 · N495AS · Boeing 737990ER · Compressor Bleed ControlSDR ASAA2020012861984Warning Light · false activationDURING RECALL, CONT CAB ZONE TEMP CAUTION LIGHT ILLUMINATED. EXTINGUISHED ON RESET. GROUNDED - YES. ACCOMPLISHED LEFT AND RT PACK FLOW TEMPERATURE CONTROLLER BITE TEST IAW AMM 21-61-00-740-801-002. NO ACTIVE FAULTS LOGGED. ACCOMPLISHED FLT DECK FILTER CLEANIJan 26, 2020 · N495AS · Boeing 737990ER · Cabin Temperature Control SystemSDR ASAA2019122483698Actuator · faultedWHILE PERFORMING TC 78273000 FOUND NR 2 ENG SHORT TIME FAULT MSG NBR 75-20452 FOR VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. IAW FIM 75-32 TASK 803 NR 2 ENG BITE HAS FAULTS 75-10452 AND 75-20452 VBV POS SIGNALS DISAGREE. THERE ARE MORE B CHANNEL HITS. Dec 18, 2019 · N495AS · Boeing 737990ER · Compressor Bleed ValveSDR ASAA2019121631578Sensor · failedRT SIDE WINDOW OVERHEAT LT ILLUMINATED IN FLIGHT. DID QRH PROCEDURE. LT CAME BACK ON AFTER 4 MIN OFF. GROUNDED - YES. PERFORMED WINDOW HEAT CONTROL UNIT BITE PROCEDURE PER B737-900 FIM 30-41 TASK 801. FOUND WINDOW SENSOR FAULT MULTIPLE TIMES IN HISTORY. PERFORDec 10, 2019 · N495AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2019120971539Warning Light · false activationRIGHT SIDE WINDOW "OVERHEAT" AT FL320. GROUNDED - YES. ACCOMPLISHED RESET PROCEDURE PER QRH LIGHT EXTINGUISHED AFTER 3-4 MINUTES OFF.Dec 7, 2019 · N495AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2019120961540Warning Light · false activationR2 WINDOW OVERHEAT AT CRUISE GROUNDED - YES. ACCOMPLISHED QRH RESET PROCEDURE, OVERHEAT RESET AND DID NOT RETURN.Dec 6, 2019 · N495AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2019112081373Autoland Sys · malfunctionedAUTOLAND UNSUCCESSFUL. GROUNDED - YES. PERFORMED DFCS BITE REFERENCE B737-900 FIM 22-11 TASK 801. NO CURRENT STATUS FAULTS. ACCOMPLISHED LAND VERIFY TEST REFERENCE B737-900 AMM TASK 22-11-00-700-801. ALL TESTS PASS. CLEARS MEL 22-20B AND 22-99B.Nov 18, 2019 · N495AS · Boeing 737990ER · Autopilot SystemSDR ASAA2019081203355Control Valve · failedCABIN RATE OF CLIMB INDICATOR CLIMBS AND DESCENDS AT +/- 500 FEET PER MINUTE IN CRUISE WITH AN AUDIBLE CHANGE IN CABIN AIRFLOW. LEFT DUCT PRESSURE FLUCTUATES APPROXIMATELY 5 PSI AT THE SAME TIME THE CABIN RATE OF CLIMB FLUCTUATES. GROUNDED - YES. ACCOMPLISHED Aug 10, 2019 · N495AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2019081283362Sensor · failedRIGHT FWD WINDOW OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. ACCOMPLISHED CONTROLLER BITE CHECK REF B737-900 FIM 30-41 TASK 801 CONTROLLER SHOWS BOTH SENSOR FAILURE FAULTS. REMOVED AND REPLACED R1 WINDOW REF B737-900 AMM 56-11-11. VERIFIED WINDOW FIT CK TORQUAug 8, 2019 · N495AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2019072830204Sensor · failedL FWD WINDOW OVERHEAT LIGHT CAME ON QRH RUN, LIGHT CAME BACK ON. GROUNDED - YES. WHCU FAILS BITE WITH SENSOR FAULT. SWAPPED TO SPARE SENSOR BITE CHECK NORMAL. REF FIM 30-41 TASK 812.Jul 28, 2019 · N495AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2019071730111Wire Harness · failedNR 2 ENGINE FIRE SWITCH DOES NOT ILLUMINATE WHEN OVERHEAT/FIRE POSITION IS SELECTED WITH THE TEST SWITCH. GROUNDED - YES. REMOVED & REPLACED FIRE DETECTION HARNESS, MW0326, REF AMM 26-11-02-400-802. ACCOMPLISHED ENGINE FIRE DETECTION OPERATIONAL TEST REF AMM 2Jul 17, 2019 · N495AS · Boeing 737990ER · Fire Protection System WiringSDR ASAA2019052929534Unknown · malfunctionedLEFT PACK SINGLE CHANNEL FAILURE. PACK LIGHT WILL RESET WITH MASTER CAUTION RECALL. GROUNDED - YES. ACCOMPLISHED BITE CHECK OF LEFT PACK ZONE TEMP CONTROLLER WITH NO FAULTS DETECTED. REF. AMM 21-61-00. OPERATED LH AND RH PACKS AND BOTH OPERATE NORMAL. NO PACK May 29, 2019 · N495AS · Boeing 737990ER · Cabin Cooling SystemSDR ASAA2019052959479Sensor · failedLH SIDE OVERHEAT (ONAPP) RAN CHECKLIST AND OVERHEAT STAYED ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED THE L-2 WINDOW AND ADJUSTED TO WITHIN LIMITS REF B737-900 AMM 56-12-11/401 AND 56-12-11-820-801. WINDOW HEAT SYSTEM OPERATIONAL TEST PASS. LEAK CHECK OMay 25, 2019 · N495AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2019052529480Warning System · false activationWINDOW HEAT "ON" LIGHT WAS OFF- OVERHEAT LIGHT "ON" RAN THE QRH CHECKLIST AND ALL RESET WITH ONLY "ON" GREEN LIGHT SHOWING. GROUNDED - YES. ACCOMPLISHED WHC BITE - NO CURRENT FAULTS LOGGED - TWO PREVIOUS WINDOW SENSOR FAULTS. REF AMM 30-41-11.May 25, 2019 · N495AS · Boeing 737990ER · Windshield/Door Rain/Ice RemovalSDR ASAA2019042639116Unknown · unknownUNSUCCESSFUL AIII PRACTICE APPROACH; JUST INSIDE THE MARKER, LOCALIZER WENT ALMOST FULL SCALE TO THE RIGHT (A/C L OF COURSE) = APPRCH WARN & NO AIII, PLANE CORRECTED TO CENTERLINE. HUD DISPLAY WENT BLANK & WAS INTERMITTENT. GROUNDED - YES. ACCOMPLISHED HGS SENApr 23, 2019 · N495AS · Boeing 737990ER · Auto Flight SystemSDR ASAA2019021928235Manifold · damagedFOUND CHAFE DAMAGE ON OTBD DUCT MANIFOLD - AIR (P/N 340-027-603-0) AND CLAMP, HINGED (P/N 649-411-726-0) OF #2 ENGINE (T/R). GROUNDED - YES. ACCOMPLISHED ALTERNATE DEACTIVATION REF ALASKA CHPT. 5 MANUAL SECTION 5-07-01 TABLE 3 ITEMS 4,8,9 & 10. OPENED #2 ENGINFeb 19, 2019 · N495AS · Boeing 737990ER · Engine Cooling SystemSDR ASAA2018122827611Control Valve · failedL PACK LIGHT ILLUMINATED ON RECALL. EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED LT PRIMARY TEMP CONTROL VALVE REF AMM 21-51-10. BITE CHECK PASS, OPS TEST LEAK CHECK GOOD AND GROUND VERIFICATION TEST SUCCESSFUL.Dec 28, 2018 · N495AS · Boeing 737990ER · Cabin Cooling System
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