N919AK

Service difficulty reports · 59

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 = 'N919AK' 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 ASAA2026092668921Power Supply · inoperativeCUSTOMER WALK ITEM: R2 EMERGENCY LOWER DOOR LIGHT INOP. GROUNDED - YES. REMOVED AND REPLACED M01672 EMERGENCY POWER SUPPLY, S/N 173592. OPS CHECK GOOD, IAW B737 MAX AMM 33-51-06.Sep 26, 2026 · N919AK · Boeing 7379 · Emergency LightingSDR ASAA2026090968864Transition Panel · corrodedFWD PIT R/H TRANSITION PANEL IS CORRODED OUT OF LIMITS BETWEEN STA 500K AND 500L. GROUNDED - YES. REPAIRED THE FWD PIT R/H TRANSITION PANEL FROM STA 500K TO 500L USING PN:BAC1496-444 7075-T6 IAW B737-MAX9 SRM 53-00-53-2R-5.Sep 9, 2026 · N919AK · Boeing 7379 · Fuselage Miscellaneous StructureSDR ASAA2026090968848Support Angle · corrodedFWD CARGO, AFT LOWER BULKHEAD SUPPORT WAS CORRODED. GROUNDED - YES. REMOVED AND REPLACED THE SUPPORT ANGLE IAW SRM 51-40-02, UPON FURTHER EVALUATION NO ALLOWABLE DAMAGE LIMITS GIVEN IN THE SRM.Sep 9, 2026 · N919AK · Boeing 7379 · Fuselage Miscellaneous StructureSDR ASAA2026090968847Transition Panel · corrodedAFT CARGO RT TRANSITION PANEL HAS MANY SPOTS OF CORROSION AT BS 727I+8 - 767. GROUNDED - YES. REMOVED CORROSION FROM AFT CARGO TRANSITION PANEL IAW SRM 53-00-53-1A-2. ORIG MATERIAL WAS .040" IAW SRM 53-60-53-01-2. REMOVED .006", REMAINING IS .034" FOUND TO Sep 9, 2026 · N919AK · Boeing 7379 · Fuselage Miscellaneous StructureSDR ASAA2026090968846Transition Panel · corrodedAFT CARGO RT TRNASITION PANEL HAS MANY SPOTS OF CORROSION AT BS 727G+12 TO 727I+6. GROUNDED - YES. REMOVED CORROSION FROM AFT CARGO RT TRANSITION PANEL BS 727G+12 - 727I+6 IAW SRM 53-00-53-1A-2, ORIG MAT WAS .040" IAW SRM 53-60-53-01-2, REMOVED .008", REMAINSep 9, 2026 · N919AK · Boeing 7379 · Fuselage Miscellaneous StructureSDR ASAA2026090968845Transition Panel · corrodedFWD CARGO BAY, LT TRANSITION PANEL IS CORRODED OUT OF LIMITS BTWN BS 500D - 500F+4. GROUNDED - YES. REPAIRED FWD CARGO BAY, LT TRANSITION PANEL BETWEEN STA 500D AND 500F+4 IAW SRM 53-00-53-2R-5.Sep 9, 2026 · N919AK · Boeing 7379 · Fuselage Miscellaneous StructureSDR ASAA2025011355257Lens · brokenROW 16 A/C RIGHT EMER EXIT LENS COVER BROKEN. GROUNDED - YES. REMOVED AND REPLACED ROW 160 A/C RIGHT EMER. EXIT LENS IAW AMM 33-51-01-960-802, OK FOR SVC. SEAMC NOTIFIED. ORIGINAL SUBMISSION DATE: 1/17/2025Jan 13, 2025 · N919AK · Boeing 7379 · Emergency LightingSDR ASAA2025010255025Lens · missingLH FWD EMERGENCY OVERWING EXIT SIGN LENS IS MISSING. GROUNDED - YES. INSTALLED NEW LENS ON LH FWD OVERWING EXIT SIGN.Jan 2, 2025 · N919AK · Boeing 7379 · Emergency LightingSDR ASAA2023122847278Power Supply · inoperativeEMERGENCY BATTERY PACK POWER SUPPLY M1673 FAILS CAPACITY CHECK. GROUNDED - YES. REMOVED, REPLACED AND PERFORMED INSTALLATION TEST OF EMERGENCY BATTERY PACK POWER SUPPLY M1673 IAW-MAX9 AMM33-51-06-960-803, TEST GOOD.Dec 28, 2023 · N919AK · Boeing 7379 · Emergency LightingSDR ASAA2023110746065Unknown · unknownWHILE PERFORMING TC 31-005-00 SCHEDULED MTX TASK DISPLAYFOUND ENG 1 EEC C2 , AND ENG 2 EEC CE SCHEDULED MTX TASK. GROUNDED - YES. ON DEFERRAL.Nov 7, 2023 · N919AK · Boeing 7379 · Fuel Controlling SystemSDR ASAA2023110546041Unknown · unknownIN CRUISE RIGHT SIDE WINDOW OVERHEAT LIGHT. RAN QRH. AFTER 5 MINUTE COOL DOWN TURNED SWITCH ON AND OVERHEAT LIGHT REMAINED. SWITCH TURNED OFF PER QRH. GROUNDED - YES. (RESOLVED ON W/O: 1976595 TASKCARD: N/R-00002 ) PERFORMED BITE TEST OF WHCU 1 & 2 REF AMM 30-Nov 5, 2023 · N919AK · Boeing 7379 · Windshield/Door Rain/Ice RemovalSDR ASAA2023110246061Valve · faultyFOLLOW-UP TO REPORT OF #2(RH) BLEED LIGHT WITH FAULT 36-00161(RT BLEED OVER PSI SHUTDOWN) ----(#PRI1)ETOPS SIGNIFICANT SYSTEM----. GROUNDED - YES. (RESOLVED ON W/O: 1976595 TASKCARD: N/R-00001 ) REMOVED AND REPLACED #2 ENG. HPSOV IN REF TO AMM 36-11-07. OPS TENov 2, 2023 · N919AK · Boeing 7379 · Pneumatic Distribution SystemSDR ASAA2023102845889Unknown · unknownRIGHT SIDE BLEED LIGHT CAME ON THRU 4000 AGL ON APPROACH, TRIP RESET ON GROUND, LIGHT EXTINGUISHED. GROUNDED - YES. FOUND FAULT CODE 36130142 MAINT MESSAGE 36-00161 (RIGHT BLEED AIR SYSTEM OVER-PRESSURE SHUTDOWN HAS OCCURRED. PERFORMED IFIM TASK 36-00-00-810-8Oct 28, 2023 · N919AK · Boeing 7379 · Pneumatic Distribution SystemSDR ASAA2023102445839Controller · faultyAFTER STARTING ENGINE #2, THE #2 BLEED ANNUNCIATOR ILLUMINATED. WENT THROUGH QRH AND ANNUNCIATOR REMAINED ON. GROUNDED - YES. MSG 36-11051 ACCOMP B737-9 IFIM 36-11-00-810-805 MESSAGE DIDN'T CLEAR. CYCLE PRSOV VALVE MANUALLY WATER DRIPPING OUT OF VALVE. REMOVEDOct 24, 2023 · N919AK · Boeing 7379 · Pneumatic Distribution SystemSDR ASAA2023083144875Unknown · unknownAPU FAULT LIGHT ON START UP. GROUNDED - YES. ACCOMPLISHED IFIM 31-00-00-810-803. FOUND RECENT FAULT 49-41012. STARTED APU WITH NO FAULT LIGHT OBSERVED. ACCOMPLISHED BITE CHECK FOR CURRENT FAULTS "NONE ACTIVE".Aug 31, 2023 · N919AK · Boeing 7379 · Airborne Auxiliary Power Unit (APU) SystemSDR ASAA2023080444443Unknown · unknownCAPT LEFT FMC FAILURE, ACCOMPLISHED FMC FAIL CHECKLIST, NO VTK ONLY MAP. GROUNDED - YES. PERFORMED IFIM TASK 34-61-00-810-846, INTERMITANT FAULT, OPS CHECK NORMAL.Aug 4, 2023 · N919AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR ASAA2023072944300Unknown · unknownCROSSFEED VALVE CHECK FAILED. CROSSFEED VALVE OPEN REMAINS BRIGHT BLUE. GROUNDED - YES. TROUBLE SHOT PER B737-9 IFIM 28-22-00 VALVE OPEN LIGHT OPERATES CORRECTLY INTERMITTENT FAULT.Jul 29, 2023 · N919AK · Boeing 7379 · Aircraft Fuel Distribution SystemSDR ASAA2023070943946Unknown · unknownWHILE ACCOMPLISHING T/C 05-020-01 DISCOVERED MESSAGE ENG 2 EEC C2. GROUNDED - YES. ON DEFERRAL.Jul 9, 2023 · N919AK · Boeing 7379 · Fuel Controlling SystemSDR ASAA2023070943945Unknown · unknownWHILE ACCOMPLISHING T/C 05-020-01 DISCOVERED MESSAGE ENG 1 EEC C2. GROUNDED - YES. ON DEFERRAL.Jul 9, 2023 · N919AK · Boeing 7379 · Fuel Controlling SystemSDR ASAA2023061543584Element · cloggedWHILE PERFORMING ASA TSR714484 FOUND APU DIFF PRESS/ INDICATOR BUTTON POPPED. GROUNDED - YES. REPLACED LUBE FILTER ELEMENT AND APU OIL FILTER INDICATOR REF B737-9 AMM 49-91-12 AND AMM 49-91-13 LEAK CHECK GOOD, NO FAULTS NOTED DURING GROUND VERIFICATION.Jun 15, 2023 · N919AK · Boeing 7379 · APU Oil SystemSDR ASAA2023042943053Unknown · unknownRADAR IN AUTO MODE CAPTAIN SIDE SHOWS RETURN AT 60 MILES IN CLEAR CONDITIONS FO SIDE SHOWS NO RETURN. IN MANUAL MODE RADAR WORKS NORMAL. GROUNDED - YES. CHECKED WIRING AND FOUND OPEN WIRE BETWEEN CONNECTOR D13757D PIN B11 ON DPC-1 AND CONNECTOR D40149J ON E3-1Apr 29, 2023 · N919AK · Boeing 7379 · Independent Position Determining SystemSDR ASAA2023041242819Charger · inoperativeELEC LIGHT ON APU PANEL ILLUMINATED ON GROUND AT THE GATE. GROUNDED - YES. REPLACED AUX BAT CHARGER, REF B737-9 AMM 24-31-31.Apr 12, 2023 · N919AK · Boeing 7379 · Battery/Charger SystemSDR ASAA2023040442732Unknown · unknownRIGHT SIDE WINDOW "OVERHEAT" LIGHT ILLUMINATED ON LANDING. GROUNDED - YES. PERFORMED WINDOW HEAT SYSTEM OPERATIONAL TEST IAW B737-9 AMM 30-41-00-710-801.Apr 4, 2023 · N919AK · Boeing 7379 · Windshield/Door Rain/Ice RemovalSDR ASAA2023031542383Unknown · unknownLEFT FMC FAILED FOR APPROXIMATELY 20 SECONDS, LEFT FMC RESTORED ITSELF PRIOR TO RUNNING QRH. GROUNDED - YES. ACCOMPLISHED FMC OPS TEST REF B737-9 AMM 34-61-00 OPS NML, NO HISTORY PAST 30 DAYS.Mar 15, 2023 · N919AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR ASAA2023031442347Unknown · unknownAFTER LANDING FO SIDE WINDOW OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED B737-9 IFIM TASK 30-41-00-810-831. F/O'S SIDE WINDOW OPS CK GD REF B737-9 AMM TASK 30-41-00-710-801. WAS AN INTERMITTENT FAULT. OKAY FOR SVC.Mar 14, 2023 · N919AK · Boeing 7379 · Windshield/Door Rain/Ice RemovalSDR ASAA2023012741710Igniter · inoperativeON START, ENGINE #1 RIGHT IGNITION SELECTED NO START ON START LEVER MOVED TO "IDLE". GROUNDED - YES. REVERSED MEL 74-00-01C SP#1. ACCOMPLISHED IFIM G74-00-00-810-840 STEP C.(3).(C). NO FAULTS FOUND. RECOMMEND REPLACING RIGHT IGNITER PLUG. OPENED, COLLARD, RESEJan 27, 2023 · N919AK · Boeing 7379 · Spark Plug/IgniterSDR ASAA2023010441415Door · stiffL1 DOOR, GATE AGENT REPORTED AS DIFIICULT TO OPEN. GROUNDED - YES. INSPECTED DOOR L1, DOOR OPERATES NORMAL, NO DEFECTS NOTED.Jan 4, 2023 · N919AK · Boeing 7379 · Passenger/Crew DoorsSDR ASAA2022122741362Igniter · faultedDURING CROSS-BLEED START ON ENGINE #2 NO FUEL FLOW ONCE THE START LEVEL WAS ADVANCED TO IDLE. GROUNDED - YES. REMOVED AND REPLACED RIGHT IGNITER PLUG REF B737-9 AMM 74-21-02.Dec 27, 2022 · N919AK · Boeing 7379 · Spark Plug/IgniterSDR ASAA2022121841207Generator · faultedAT APU START ATTEMPT ON TAXI INTO GATE THE APU AMBER MAINT OVERHEAD LIGHTS ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED APU STARTER-GENERATOR IAW B737-9 AMM 49-41-21. PERFORMED B747-9 IFIM 49-40-00-810-806 "APU "LIMITED RESET" FUNCTION, OMF SHOWED "NOT ACDec 18, 2022 · N919AK · Boeing 7379 · AC Generator-AlternatorSDR ASAA2022120741058Fmc · faultedAT CRUISE, HAD A MOMENTARY DUAL FMC FAILURE, A/P DISCONNECTED WITHOUT AURAL WARNING. FMC 'S RESTORED IN LESS THAN 10 SECONDS. GROUNDED - YES. NO FAULTS AT THIS TIME, ACCOMPLISHED B737-9 IFIM TASK 31-65-00-810-A02. BITE TESTS GOOD, PREVIOUS FLT AFFECT FAULTS NODec 7, 2022 · N919AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR ASAA2022112040878Satcom · unknownBOTH SATCOM RECEIVERS HAD A VERY LOW VOLUME, WHICH MADE COMMUNICATION RECEPTION IMPOSSIBLE, FMC MENU OPS CHECK OK. GROUNDED - YES. PERFORMED SAT #1 & SAT #2 VOICE COMMUNICATION TEST WITH ALASKA DISPATCH NORMAL B737-9 AMM 23-15-00-710-801.Nov 20, 2022 · N919AK · Boeing 7379 · Communications SystemSDR ASAA2022111140775Exciter · inoperativeAMBER MAINT LIGHT ON OVERHEAD PANEL ILLUMINATED ON LANDING. GROUNDED - YES. MAINT LIGHT ILLUMINATED DUE TO ENG 2 IGNITION FAULTS. REMOVED & REPLACED RIGHT EXCITER IAW B737-9 AMM 74-11-01. PERFORMED POWER PLANT TESTS 18 & 19 IAW AMM 71-00-00. ALL TESTS GOOD. NONov 11, 2022 · N919AK · Boeing 7379 · ExciterSDR ASAA2022111040759Exciter · inoperative#2 ENGINE FAILED TO START AFTER PUSHBACK. START LEVER WAS IN IDLE FOR 15 SECONDS WITH NO EGT RISE. GROUNDED - YES. REMOVED & REPLACED RIGHT EXCITER IAW B737-9 AMM 74-11-01. PERFORMED POWER PLANT TESTS 18 &19 IAW AMM 71-00-00. ALL TESTS GOOD. NO MSGS DISPLAYED.Nov 10, 2022 · N919AK · Boeing 7379 · ExciterSDR ASAA2022110940698Nozzle · cokedGE DIAGNOSTICS REPORTS #2 ENGINE TREND DATA SHOWS EXCESS COKING OF THE FUEL NOZZLE MAIN ORIFICES. (FULL SET FUEL NOZZLE REPLACEMENT 737MAX T/C 73-ASA-02) NO EXTENSION ALLOWED 225 CYCLES OR 45 DAYS, WHICHEVER COMES FIRST. CNR 20220925083. GROUNDED - YES. FUEL NNov 9, 2022 · N919AK · Boeing 7379 · Fuel Injector NozzleSDR ASAA2022110440648Anti-Ice Valve · faultedWHEN WING ANTI-ICE TURNED ON, L VALVE LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED L/H WING ANTI-ICE VALVE REF B737-9 AMM 30-11-11.Nov 4, 2022 · N919AK · Boeing 7379 · Airfoil Anti/De-ice SystemSDR ASAA2022102740534Exciter · faultySTARTING #2 ENG, MOTORED FOR A FEW SECONDS, N2 BEGAN TO RISE AT 36 SECONDS, FUEL WAS INTRODUCED AND N2 HUNG AROUND 32.0 (STAYED AT 32.0), STOPPED START - REPEATED START PROCEDURE WITH SAME RESULT. GROUNDED - YES. REMOVED AND REPLACED R EXCITER REF B737-9 AMM 7Oct 27, 2022 · N919AK · Boeing 7379 · ExciterSDR ASAA2022102740530Fmc · malfunctionedVTK DISPLAYED CN CAPTAINS NAV DISPLAY FOR 10 SECONDS FMC DISAPPEARED FOR A COUPLE OF SECONDS ON F/O FMC. NO OTHER SYSTEM CHANGES. ALL SYSTEMS NORMAL. GROUNDED - YES. PERFORMED B737-9 IFIM 34-61-00-810-846. CYCLED BOTH FMCS C/BS NO DEFECTS NOTED.Oct 27, 2022 · N919AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR ASAA2022100140126Anti-Ice Valve · faultyDURING DESCENT "L-VALVE" LIGHT WHILE USING WING ANTI ICE. GROUNDED - YES. REMOVED & REPLACED LH WING THERMAL ANTI ICE VALVE IAW B737-9 AMM 30-11-11.Oct 1, 2022 · N919AK · Boeing 7379 · Airfoil Anti/De-ice SystemSDR ASAA2022092940128Fmc · faultedCAPTAIN'S FMC INOP. GROUNDED - YES. L/H FMC SHOWS DISAGREE ON BITE TEST. RE-SYNCED L/H & R/H FMC'S REF B737-9 FIM TASK 34-61-00-810-918 NO CURRENT FAULTS ON OMF EXISTING FAULTS. NORMAL OPS OF FMC'S RESTORED.Sep 29, 2022 · N919AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR ASAA2022090439884Bleed Valve · inoperativeWHILE PERFORMING TASK CARD 31-005-00, FOUND SCHEDULED MAINTENANCE TASK MESSAGE "BLEED FAN AIR MODULATION VALVE (FAMV) ROTARY VARIABLE DIFFERENTIAL TRANSFORMER (RVDT) R". GROUNDED - YES. REMOVED AND REPLACED FAMV ON #2 ENGINE IAW B737-9 AMM 36-12-03. (ASA TSR7Sep 4, 2022 · N919AK · Boeing 7379 · Pneumatic Distribution SystemSDR ASAA2022080939434Shutoff Valve · damagedWHILE LOCKING CLOSED THE HPSOV BOLT BROKE OFF. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE HPSOV REF B737-9 AMM 36-11-07.Aug 9, 2022 · N919AK · Boeing 7379 · Pneumatic Distribution SystemSDR ASAA2022072939271Overheat · warning lightR FWD WINDOW OVERHEAT ILLUMINATED DURING TAXI. GROUNDED - YES. ACCOMPLISHED QRH ITEMS AND OVERHEAT HEAT LIGHT EXTINGUISHED. CONTINUED NORMAL OPERATIONS.Jul 29, 2022 · N919AK · Boeing 7379 · Windshield/Door Rain/Ice RemovalSDR ASAA2022072439172Overheat · illuminatedTHE WINDOW HEAT RIGHT SIDE SIDE ON LIGHT IS NOT ON WITH SWITCH ON. GROUNDED - YES. TURNED ON R/H SIDE WINDOW SWITCH AND 'ON' LIGHT OPERATES NORMALLY. ACCOMPLISHED WINDOW HEAT CONTROL UNIT SYS TEST AND BITE REF B737-9 AMM 30-41-11-710-801, NO DEFECTS NOTED.Jul 24, 2022 · N919AK · Boeing 7379 · Windshield/Door Rain/Ice RemovalSDR ASAA2022051938402Datalink · failedAPPROACHING THE EEP APPROXIMATELY 1 HR INTO FLIGHT THE HF + VHF DATA LINK BOTH FAILED. NO COMM MESSAGE REMAINED UNTIL APPROXIMATELY 180NM FROM COAST LINE. GROUNDED - YES. ON DEFERRAL. PERFORMED VHF SYSTEM TEST IAW B737-9 AMM 23-12-00-730-801, CHECKS GOOD. HMay 19, 2022 · N919AK · Boeing 7379 · Communications SystemSDR 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 ASAA2022031037670Unknown · unknownAPPROXIMATLEY 1.5 HOURS AFTER TAKEOFF RECEIVED "NO COMM " MESSAGE DISLAYED UNABLE TO SEND/RECEIVE ACARS DATA THROUGH SATQRHF. ACARS WORKS FINE ON VHF. GROUNDED - YES. VERIFIED ACARS DATA THROUGH SATCOM OPERATES PROPERLY ON GROUND. PERFORMED OPS TEST OF SATCOM Mar 10, 2022 · N919AK · Boeing 7379 · HF Communications SystemSDR ASAA2022021537437Unknown · unknownWXR FAIL. GROUNDED - YES. ACCOMPLISHED WXR OPERATIONAL TEST REF B737-9 AMM 34-41-00-710-801 GROUND VERIFICATION TEST PASS.Feb 15, 2022 · N919AK · Boeing 7379 · Independent Position Determining SystemSDR ASAA2022020237330Modulating Valve · inoperativeMAINT ANNUNCIATOR ILLUMINATED ON LANDING. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE FAN AIR MODULATING VALVE IAW B737-9 AMM 36-12-03. 4 BREAKERS PULLED AND RESET. PERFORMED LRU REPLACEMENT TEST IAW AMM 36-12-00-720-801, & 46-13-02-710-801.Feb 2, 2022 · N919AK · Boeing 7379 · Pneumatic Distribution SystemSDR ASAA2021122236984Unknown · unknownHF NO 2 APPEARS TO BE INOPERATIVE/UNUSABLE. RECEPTIONS ARE UNREADABLE AND TRANSMISSIONS GO UNANSWERED ON ALL FREQUENCIES. GROUNDED - YES. PERFORMED BITE TEST ON HF 1 AND HF2, HF 1 FAIL, SWAPPED, HF1 AND HF2 TO TS, HF1 FAILS. SWAPPED HF1 AND HF2 TO ORIGINAL POSDec 22, 2021 · N919AK · Boeing 7379 · HF Communications SystemSDR ASAA2021122236983None · inoperativeHF NO 1 APPEARS TO BE UNUSABLE/INOPERATIVE RECEPTION IS UNREADABLE AND TRANSMISSIONS GO UNANSWERED ON ALL FREQUENCIES. GROUNDED - YES. PERFORMED BITE TEST ON HF 1 AND HF2, HF 1 FAIL, SWAPPED, HF1 AND HF2 TO TS, HF1 FAILS. SWAPPED HF1 AND HF2 TO ORIGINAL POSITIDec 22, 2021 · N919AK · Boeing 7379 · HF Communications System
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