Boeing 737-9

Service difficulty reports · 3,497

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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 aircraft_model_key = '7379'
  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 ASAA2022042538117Overheat · warning lightLEFT FWD WINDOW HEAT "OVERHEAT" ANNUNCIATOR ILLUMINATED/ RAN QRH/ OVERHEAT ANNUNCIATOR EXTINGUISHED/ CONTINUED NORMAL OPERATION. INFO ONLY. GROUNDED - YES. INFO NOTED, PERFORMED (WHCU) BIT TEST IAW PER B737-9 AMM 30-41-11-710-801,BIT TEST OK.Apr 25, 2022 · N973AK · Boeing 7379 · Windshield/Door Rain/Ice RemovalSDR ASAA2022042238105Vor System · failedWEATHER RADAR DOES NOT WORK IN FLIGHT. ON BOTH NDS WXR FAIL IS ILLUMINATED AND THE RADAR WILL NOT TEST. GROUNDED - YES. CYCLED POWER TO WXDR, OPS RESTORED WX RDR CHECKS OK REF B737-9 AMM 34-31-00.Apr 22, 2022 · N933AK · Boeing 7379 · Localizer/VOR SystemSDR ASAA2022042138091Autopilot Sys · malfunctionedA/P B DISENGAGES. WHEN ENGAGED, A/C TURNS LEFT + A/P B DISENGAGES. GROUNDED - YES. FOUND MSG 22-11505 AND 22-11190 MULTIPLE TIMES CAUSING DISCONNECTS ON B AUTOPILOT ON 4/21, 4/18 AND 4/14. VERIFIED SECURITY OF AUTOPILOT B AILERON ACTUATOR CONNECTORS. NO DEFECTApr 21, 2022 · N933AK · Boeing 7379 · Autopilot SystemSDR ASAA2022042138078Sensor · faultyWHILE PERFORMING T/C 05-020-01. FOUND ENG FAULT 73-43855 ENG FAN INLET (T12) TEMP SENSOR AND CALCULATED ADIRU AIR TEMP SIGNALS DO NOT AGREE ON ENG 2. GROUNDED - YES. PERFORMED B737-9 IFIM TASK G73-20-00-810-830. ENG FAULT NOT ACTIVE AND IS A INTERMITTENT FAULTApr 21, 2022 · N291BT · Boeing 7379 · Fuel Controlling SystemSDR ASAA2022042138077Sensor · faultyWHILE PERFORMING T/C 05-020-01. FOUND ENG FAULT 73-43850 ENG FAN INLET (T12) TEMP SENSOR AND CALCULATED ADIRU AIR TEMP SIGNALS DO NOT AGREE ON ENG 1. GROUNDED - YES. PERFORMED B737-9 IFIM TASK G73-21-00-810-937. ENG FAULT NOT ACTIVE AND IS A INTERMITTENT FAULTApr 21, 2022 · N291BT · Boeing 7379 · Fuel Controlling SystemSDR ASAA2022041337987Igniter · inoperative#1 ENGINE DID NOT START. ENG VALVE CLOSED LIGHT WAS ILLUMINATED BRIGHT. GROUNDED - YES. #1 ENGINE RIGHT IGNITER INOP. PERFORMED B737-9 IFIM TASK G74-20-00-810-803, B737-9 AMM TASK G71-00-00-730-804-G00 AND TASK G71-00-00-730-805-G00. NO FAULTS FOUND DURING IGNApr 13, 2022 · N291BT · Boeing 7379 · Engine CrankingSDR ASAA2022041337979Fmc · faulty2 PLUS 40 INTO FLIGHT AT FL340 BOTH FMC'S FAILED CRUISE FL340 FOR 30-45 SECONDS. THEY BOTH RE-BOOTED WITHOUT ANY PILOT INTERACTION AND OPERATED NORMALLY. GROUNDED - YES. NO ACTIVE FMC FAULTS. FMC FLT HISTORY ONLY SHOWING RH FMC FAULT ON LAST LEG. CYCLED RH FMCApr 13, 2022 · N971AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR ASAA2022041237977Control Unit · overheatedFWD RIGHT WINDOW HEAT OVERHEAT LT CAME ON IN DESCENT. RAN QRH AND WOULD NOT RESET. GROUNDED - YES. REMOVED AND REPLACED NO. 2 WINDOW HEAT CONTROL UNIT. OPS CHECK GOOD. REF B737-9 AMM 30-41-11.Apr 12, 2022 · N929AK · Boeing 7379 · Windshield/Door Rain/Ice RemovalSDR ASAA2022041137960Starter · leaking#2 ENG OIL QTY 10 QTS. STARTER FOUND LEAKING OIL. GROUNDED - YES. AIRCRAFT DEPARTED PHX WITH 20 QTS OIL IN #2 ENGINE, A/C ARRIVED IN SEA WITH OIL QTY AT 10 QTS FOUND ENGINE STARTER LEAKING OIL AND SPREAD METAL SHAVINGS ON INSIDE OF INBOARD COWL AND ON STARTER Apr 11, 2022 · N918AK · Boeing 7379 · Engine CrankingSDR ASAA2022041137951Circuit Breaker · faultedMCP BLANK. GROUNDED - YES. PERFORMED B737-9 IFIM 22-10-00-810-821. RESET CB P18-1, D5 AND P6-2, C3. OPS CHECK NORMAL. MCP INSTALLATION TEST PASS REF B737-9 AMM 22-11-34-740-801. NO DEFECTS NOTED AT THIS TIME.Apr 11, 2022 · N913AK · Boeing 7379 · Autopilot SystemSDR CALA2022041100943Brake Disc · damagedPDA 2 #1 BRAKE ROTOR PARTS FOUND MISSING REPLACED #1 BRAKE REF LOGPAGE 8351136. WEAR PADS DETACHED FROM ROTORApr 9, 2022 · N37510 · Boeing 7379 · Landing Gear Brake SystemSDR CALA2022041100942Brake Disc · crackedPDA 2 #2 BRAKE ROTOR PARTS FOUND MISSING REPLACED #2 BRAKE REF LOG PAGE 8351156. WEAR PADS DETACHED FROM ROTORSApr 9, 2022 · N37510 · Boeing 7379 · Landing Gear Brake SystemSDR CALA2022041100944Brake Pads · missingPDA 1 #2 BRAKE ROTOR WEAR PAD FOUND MISSING REF LP 8351216Apr 9, 2022 · N47512 · Boeing 7379 · Landing Gear Brake SystemSDR DALA2022041202530None · none(LOG 2188065) DURING INSPECTION FOUND LIGHTNING STRIKE DAMAGE RH LOWER FUSELAGE BETWEEN STA: 277-285 STG:26R 2" BELLOW AT STA:285. REPAIRED PER B737 SRM 53-00-01 REINSTALLED 2 RIVETS PER B737 SRM 53-00-01-MON TERMINATING AT 50 FH- PER B737 SRM 53-00-01.Apr 8, 2022 · N828DN · Boeing 7379 · Fuselage Main, Plate/SkinSDR DALA2022041202529None · none(LOG 2188036) DURING INSPECTION FOUND LIGHTNING STRIKE DAMAGE RH SIDE NOSE WW STA: 259.5 BETWEEN STG:26R-27R. REPAIRED PER B737 SRM 53-00-01 REINSTALLED HI-LOK PER B737 SRM 53-00-01.Apr 8, 2022 · N828DN · Boeing 7379 · Fuselage Main, Plate/SkinSDR ASAA2022040637918Extractor · inoperativeALL COCKPIT WINDOWS FOGGED BELOW 3000 FEET. WINDOW HEAT SWITCHES WERE ON AND NO FAULT LIGHTS. GROUNDED - YES. PERFORMED B737-9 IFIM 21-51-00-810-878. REF B737-9 AMM 21-51-16 FOR WATER SPRAY NOZZLE CHECK #1 (L/H) PACK. NO DEFECTS FOUND. REMOVED AND REPLACED #1 Apr 6, 2022 · N920AK · Boeing 7379 · Cabin Cooling SystemSDR CALA2022040600910Shroud · looseCOACH SEAT ENDBAY TRIM SHROUDS ARE LOOSE 7,12,14,20,21,22,23,24,26,27,29,30,31,32,35,37,38D. EPL SHROUDS ARE LOOSE AT 8,9,10,12,15,20,21,22,23,24,25,26,28,29,31,32,33,34 39C. SECURED ALL BLANK TRIM SHROUDS AND ALL EPL SHROUDS LISTED ABOVE IAW CMM 25-21-65. ALLApr 6, 2022 · N27526 · Boeing 7379 · Passenger Compartment EquipmentSDR CALA2022040600909Shroud · looseCOACH SEATS ENDBAY EPL SHROUDS LOOSE AT 8,14,20,22,24,25,26,27,28,29,30,31,32,34,35,37,38,39C ALSO ENDBAY BLANK TRIM SHROUD AT 26D IS LOOSE. SECURED ALL BLANK TRIM AND EPL SHROUDS IAW CMM 25-21-65. ALL EPL OPS. CHK. GOOD.Apr 6, 2022 · N37518 · Boeing 7379 · Passenger Compartment EquipmentSDR ASAA2022040537934Unknown · failedPWS FAIL ILLUMINATED. GROUNDED - YES. UPON A/C ARRIVAL, CANNOT DUPLICATE DISCREP, OMS EXT MAINT FAULT HISTORY SHOWED 19 FAULT MESSAGES OF 34-43107 WXR R/T 1 IS FAILED, DETECTED BY: WXR PROCESSOR 1. AFTER A/C TOWED AND REPOWERED UP, VERIFIED DISCREP "PWS FAIL" Apr 5, 2022 · N934AK · Boeing 7379 · Landing and Taxi AidsSDR ASAA2022040537891Unknown · unknownMCP PANEL IS BLANK. GROUNDED - YES. FOLLOWED B737-9 IFIM TASK 22-10-00-810-821. RESET C/B MCP DC1 AND MCP DC2. OPS TEST MCP PERFORMED ALL NML.Apr 5, 2022 · N913AK · Boeing 7379 · Autopilot SystemSDR ASAA2022040437899Unknown · unknownINTERMITTANT VTK FLAG ON FO SIDE. RESOLVED ITSELF IN APPROX 30 SEC EACH TIME. GROUNDED - YES. REBOOTED BOTH FMC'S - SYS TEST GOOD.Apr 4, 2022 · N920AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR ASAA2022040437898Unknown · unknownIN FLIGHT, BOTH FMC'S BLANKED FOR 30 SECONDS. VTK DISPLAYED THEN BOTH FMC'S RETURNED TO NORMAL. LOST VNAV/LNAV CAPABILITY-WAS RESTORED WITH FMC'S. NO FMC FAIL MESSAGES. GROUNDED - YES. MAINT MSG 34-69001 FOUND IN PRESENT LEG FAULTS. MAINT MSG 34-69001 WAS NOT Apr 4, 2022 · N920AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR ASAA2022040437897Unknown · unknownPWS FLAG CAME ON WHEN WEATHER RADAR WAS TURNED OFF. FLAG CLEARS WITH WX RADAR TEST. GROUNDED - YES. SYS TESTS GOOD.Apr 4, 2022 · N934AK · Boeing 7379 · Independent Position Determining SystemSDR ASAA2022040437896Unknown · unknownPWS FAIL FLAG ON BOTH CPT AND F/O DISPLAYS. GROUNDED - YES. FLIGHT CREW RAN WXR RADAR SYS TEST IN HANDBOOK, FLAGS CLEARED.Apr 4, 2022 · N934AK · Boeing 7379 · Independent Position Determining SystemSDR ASAA2022040437895Unknown · unknown(L) FWD WINDOW OVERHEAT LIGHT ILLUMINATED ON LANDING. GROUNDED - YES. PERFORMED WHCU SYSTEM TEST REF B737-9 AMM 30-41-11-710-801 OPS CHECK GOOD NO DEFECTS NOTED. FOR TROUBLESHOOTING REF FOUND PREVIOUS FLIGHT LEG FAULT #1 WINDOW WHCU - LRU FAULT.Apr 4, 2022 · N932AK · Boeing 7379 · Windshield/Door Rain/Ice RemovalSDR CALA2022033100853None · looseEPL SHROUD AT 14C IS LOOSE. SECURED EPL SHROUD ON SEAT 14C, EPL OPS. CHK''S. GOOD.Mar 31, 2022 · N37502 · Boeing 7379 · Cabin Equipment/FurnishingsSDR ASAA2022033037846Fmc · unknownLOSS OF FMC-L INFLIGHT. GROUNDED - YES. PERFORMED B737-9 IFIM 34-61-00-810-836. L/H FMC OPS RESTORED. 1 EA C/B ON P18-2 , A6 OPENED, RESET. ETOPS GND VERIFICATION TEST SUCCESSFUL.Mar 30, 2022 · N915AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR CALA2022033100843None · missingPDA 2 LAV SERVICE DOOR MISSING DOOR DID NOT DEPART AIRCRAFT, ALL HARDWARE REINSTALLED, REFERENCE LOG PAGE 8266793 FOR CORRECTIVE ACTION.Mar 30, 2022 · N39461 · Boeing 7379 · Fuselage Structure (General)SDR CALA2022033100839None · noneFWD. ESCAPE SLIDE LIGHT AT L1 DOOR INOP (REF AAR NR 99919760) REMOVED AND REPLACED ESCAPE SLIDE LIGHT AT L1 DOOR IAW B737 AMM 33-51-04-960-801. OPC TO BE PERFORMED ON NR 99919771 WORK ORDER 3501482/2000/0002 (WORK ACCOMPLISHED BY V914614 AND V914837).Mar 30, 2022 · N38403 · Boeing 7379 · Emergency LightingSDR ASAA2022032837817Unknown · unknownSINGLE CHANNEL SPEED TRIM FALIURE (EXTINGUISHES ON MASTER CAUTION RESET). GROUNDED - YES. RAN B737-9 FIM TASK 22-11-00-810 LOGGED FAULT MSG 22-11176 RAN IFIM TASK 22-11-00-810-933 SPEED TRIM TESTS PASSED PER SAME REF OK FOR SERVICE.Mar 28, 2022 · N919AK · Boeing 7379 · Autopilot SystemSDR ASAA2022032737942None · noneWHILE PERFORMING T/C #05-020-01, #1 ENG HAS FAULT CODE 73-41992 FUEL COOLED OIL COOLER (FCOC) DELTA PRESSURE SENSOR IS OUT OF RANGE, ENG 1 EEC C2, PRESENT IN SMT. GROUNDED - YES. MAINTENANCE MESSAGE 73-41992 IS LATCHED ON # 1 ENGINE. PERFORMED RESISTANCE CHECKMar 27, 2022 · N971AK · Boeing 7379 · Engine Fuel Indicating SystemSDR ASAA2022032737811Valve · faultyMAINT LIGHT ON REAR OVERHEAD PANEL ILLUMINATED AFTER LANDING. GROUNDED - YES. REMOVED AND REPLACED FAN AIR MODULE VALVE REF B737-9 AMM 36-12-03. OPS CHECK NORMAL, LATCH MSG NO LONGER PRESENT.Mar 27, 2022 · N933AK · Boeing 7379 · Pneumatic Distribution SystemSDR ASAA2022032437792Unknown · unknownA/C ON A/P B LOST FLT PLAN AND LNAV ALONG WITH A/P D/RST AND P/RST FLASHING CAUTION LIGHTS. TRANSFERRED TO A A/P AND ENGAGED LNAV. OPERATED NORMALLY ON A SIDE. ALL MESSAGES CLEARED BY THEMSELVES. REENGAGED B SIDE AND OPERATED NORMALLY. GROUNDED - YES. PERFORMEMar 24, 2022 · N921AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR CALA2022032800813Oven · odorELECTRICAL BURNING SMELL COMING FROM AFT GALLEY OVEN.REF LOG 8249292 - FORM 46-6020 SMOKE/ODOR IN THE PLANE QUESTIONAIRE COMPLETED BY FLIGHT CREW. ELECTRICAL ODOR CONFINED TO AFT GALLEY OVEN #3. CREW REPORTED #3 OVEN ORANGE WARNING LIGHT ,SERVICE WARNING AND AMar 24, 2022 · N27526 · Boeing 7379 · Cabin Equipment/FurnishingsSDR ASAA2022032337794Ecu · inoperativeAPU FAULT LIGHT ILLUMINATES ON ATTEMPTED APU START. GROUNDED - YES. ACCOMPLISHED APU BITE TEST, FOUND ACTIVE MAINTENANCE MESSAGE 49-89002 " ONBOARD MAINTENANCE FUNCTION HAS NO INPUT FROM APU ECU" PER B737-9 IFIM 49-00-00-810-817, REMOVED AND REPLACED APU ELECTMar 23, 2022 · N926AK · Boeing 7379 · APU Core EngineSDR ASAA2022032337755Fmc · abnormalENROUTE AT FL 360, BOTH FMC'S WENT BLANK FOR ABOUT 20 SEC. VTK APPEARED ON LEFT NAV DISPLAY. MENU PAGE DID NOT HAVE FMC DISPLAYED. AFTER ABOUT 20 SEC FMC PROMPT REAPPEARED AND WENT BACK TO NORMAL OPS. GROUNDED - YES. FAULT WAS ONLY L/H FMC, CREW STATED NML OPSMar 23, 2022 · N971AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR ASAA2022032337752Computer · abnormalWHILE LEVEL @ FL380 HAD COMPLETE LOSS OF LEFT FMC. GROUNDED - YES. VERIFIED NO PROMPT FOR LEFT FMC, NO HISTORY, RESET LEFT AND RIGHT FMC'S. SYSTEM OPS NORMAL REF B737-9 AMM 34-61-0Mar 23, 2022 · N913AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR ASAA2022032337749Unknown · unknownON TOUCHDOWN MAINT ON OVERHEAD PANEL ILLUMINATED. GROUNDED - YES. LAST LEG STATUS MESSAGE 21-6515 "CONTROL CABIN TRIM AIR VALVE SIGNAL OUT OF RANGE". PERF B737-9 IFIM 21-61-00-810-841. BITE TEST OF R/H IASC - TEST PASS - FAULT RESET / MAINT LIGHT EXTINGUISHED.Mar 23, 2022 · N971AK · Boeing 7379 · Cabin Temperature Control SystemSDR CALA2022032300767None · missingPDA 3 BOTH NLG DOORS LEADING EDGE EROSION BOOT MISSING -- SEE PHOTO EXCEED 7 DAYS AND PERMANENT REPAIR PER PART 3 WITHIN 30 DAYS. PERFORMED INTERIM REPAIR PER PART 1 OF ECRA 5280-01284 REV-C. ISSUE DIP INSP INTERIM REPAIR PER PART 2 AT INTERVALS NOT TO TOMC APMar 23, 2022 · N32404 · Boeing 7379 · Landing Gear DoorsSDR CALA2022032300772Shroud · looseCOACH SEATS 7,8,9,10,11,12,15,20,34,35,36D TRIMS SHROUDS ARE LOOSE. SEATS 8,9,10,11,14,15,22,23,26,27,28,29,30,31,34C ARE LOOSE. SECURED ALL LISTED BLANK TRIM SHROUDS AND EPL SHROUDS IAW CMM 25-21-65. EPL OPS. CHK''S. GOOD.Mar 23, 2022 · N37528 · Boeing 7379 · Cabin Equipment/FurnishingsSDR ASAA2022032037717Unknown · unknownABOUT AN HOUR BEFORE LANDING, LEFT FMC FAILED. RECOVERED IN LESS THAN 20 SECONDS. NORMAL OPERATION FOR REMAINDER OF FLIGHT. GROUNDED - YES. A/C HAS NO HISTORY OF L/H FMC FAULTS. PERFORMED L/H FMC OPS TEST REF B737-9 AMM 34-61-00-710-801 AND GROUND VERIFICATIONMar 20, 2022 · N921AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR ASAA2022031837721Pump · leakingFUEL LEAKING UNDERNEATH #1 ENG. STOPPED WITHIN 10 MINUTES. GROUNDED - YES. HAD FLT CREW RUN ENG #1, IDENTIFIED LEAK COMING FROM FUEL PUMP DRAIN. REF B737-9 AMM 71-71-00 REMOVED AND REPLACED W/ NEW FUEL PUMP ASSY REF AMM 73-11-01 AND LEAK CHECK IS GOOD AND GROUMar 18, 2022 · N932AK · Boeing 7379 · Aircraft Fuel Distribution SystemSDR ASAA2022031737707Unknown · unknownMAINT CAUTION LIGHT ILLUMINATED ON OVERHEAD. GROUNDED - YES. FOUND MAINT STATUS MSG: ENG 2 IGNITER (R) & (L) ENG 1 IGNITER (R) & (L)- PERFORMED B737-9 IFIM TASK G74-20-00-810-802 MSG(S) ERASED, NO FAULTS NO MAINT LT CHECKS GOOD.Mar 17, 2022 · N291BT · Boeing 7379 · Ignition Harness (Distribution)SDR ASAA2022031737705Unknown · unknownSINGLE FMC MESSAGE AND FMC DISAGREE MESSAGE. GROUNDED - YES. RT FMC SHOWED FAILED. BUT FMC WAS RESTORED + RT FMC OPS TEST NORMAL REF B737-9 AMM 34-61-00-710-801.Mar 17, 2022 · N924AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR CALA2022031700697Shroud · looseCHECK (VISUAL) AIRCRAFT INTERIOR FOR CONDITION. {B737-25-3-1075} - COACH SEATS AISLE ENDBAY PANELS, EPL SHROUDS ARE LOOSE AT 8,9,12,14,20,26,27,36,39C. AISLE ENDBAY PANELS BLANKING SHROUDS ARE LOOSE AT 27 AND 38D. REPLACED ALL LISTED BLANKING AND EPL SHROUD IAMar 17, 2022 · N37530 · Boeing 7379 · Cabin Equipment/FurnishingsSDR CALA2022031700696Shroud · looseCOACH SEATS, EPL SHROUDS ARE LOOSE AT 8,9,10,11,12,14,15,20,21,22,25,28,29,30,31,32,34,35C. SECURED EPL SHROUDS LISTED SEATS, CMM 25-21-65, PATH LIGHTING OPS. CHK''S. GOOD.Mar 17, 2022 · N37516 · Boeing 7379 · Cabin Equipment/FurnishingsSDR CALA2022031700667Angle · corrodedFLOOR Z ANGLE BS990 RBL47 HAS CORROSION (REF AAR NR 99920524). REMOVED & REPLACED ANGLE Z ON BS990 RBL47 IAW B737-900 SRM 51-40 -02 AND DWG 147A5700 (WORK ACCOMPLISHED BY V916729 AND AAR QC A- 71 V918069).Mar 15, 2022 · N38403 · Boeing 7379 · Standard Practices/StructuresSDR ASAA2022031237693None · faultyWHILE ACCOMPLISHING TEST 32 - ENGINE IDLE TEST, MM 71-00-00-700-808-G00, TEST FAILED. MAINTENANCE MESSAGES 73-42783 AND 73-42784, MODULATED TURBINE COOLING (MTC) VALVE 2 IS FAILED OPEN, CHANNEL A AND B. SMT MESSAGE ENG 2 EEC C2 ALSO APPEARED. TEST 32 ACCOMPLISMar 12, 2022 · N931AK · Boeing 7379 · Engine Cooling SystemSDR ASAA2022031237679Unknown · unknownLEFT WINDOW #2, COCKPIT WINDOW HEAT INOP. GROUNDED - YES. PERFORMED B737-9 IFIM TASK 30-41-00-810-827 PER FIM FAULT WAS INTERMITTENT.Mar 12, 2022 · N291BT · Boeing 7379 · Windshield/Door Rain/Ice RemovalSDR ASAA2022031037672Unknown · unknownR1 WINDOW OVERHEAT ILLUMINATED ON GROUND. ACCOMPLISHED QRH, RESOLVED OVERHEAT. GROUNDED - YES. ACCOMPLISHED WINDOW HEAT CONTROL UNIT SYSTEM TEST REF B737-9 AMM 30-41-11-710-801. PERFORM BITE TEST ON R1 WINDOW GROUND VERIFICATION , TEST PASSED. FAULT HISTORY SHMar 10, 2022 · N924AK · Boeing 7379 · Windshield/Door Rain/Ice Removal
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