N977AK

Service difficulty reports · 41

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 = 'N977AK' 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 ASAA2026101169221Light · intermittent17A EMERGENCY LIGHT FLICKERING. GROUNDED - YES. PREVIOUSLY WRITTEN UP. REF LP 61339523. VERIFIED WITH SEAMC THAT MEL IS APPLICABLE.Oct 11, 2026 · N977AK · Boeing 7379 · Emergency LightingSDR ASAA2026060266464Placard · out of positionROW 16DEF "EXIT/SALIDA" PLACARD HAS DIRECTION ARROW FACING THE WRONG WAY AWAY FROM EMERGENCY EXIT. GROUNDED - YES. REPLACED EXIT LENS FLOOR COVER ROW 16DEF PER AMM 33-51-01.Jun 2, 2026 · N977AK · Boeing 7379 · Placards and MarkingsSDR ASAA2026011463825Seat Track · wornFUSELAGE INTERIOR, COCKPIT, PILOT AND FIRST OFFICERS INBD AFT SEAT TRACK LOCK PIN HOLES ARE OUT OF LIMITS. GROUNDED - YES. R & R THE SEAT TRACKS (2EA) AFT INBD OF THE PILOT AND FIRST OFFICERS SEATS AT COCKPIT IAW CMM 25-11-39, AMM 25-11-01-400-801, 25-11-01-Jan 14, 2026 · N977AK · Boeing 7379 · Fuselage, Seat/Cargo Attach FittingsSDR ASAA2026011463824Seat Track · wornFUSELAGE INTERIOR, COCKPIT, PILOT AND FIRST OFFICERS INBD AFT SEAT TRACK LOCK PIN HOLES ARE OUT OF LIMITS. GROUNDED - YES. R & R THE SEAT TRACKS (2EA) AFT INBD OF THE PILOT AND FIRST OFFICERS SEATS AT COCKPIT IAW CMM 25-11-39, AMM 25-11-01-400-801, 25-11-01-4Jan 14, 2026 · N977AK · Boeing 7379 · Fuselage, Seat/Cargo Attach FittingsSDR ASAA2025033157312Skin · damagedEXTERIOR FUSELAGE, LIGHTNING STRIKE FOUND AT STA 500E BETWEEN S-5L AND S-6L. GROUNDED - YES. ACCOMPLISHED REPAIR PER ASA EA M9-53EA-28524 REV 00. THIS IS A CATEGORY B REPAIR. DTI DUE WITHIN 24MTHS FROM 12APR2025.Mar 31, 2025 · N977AK · Boeing 7379 · Fuselage Main, Plate/SkinSDR ASAA2023110846126Unknown · unknownGE DIAGNOSTICS REPORTS THE #2 ENGINE IS GENERATING ALERTS FOR PS3 OUT OF RANGE, PS3 PRESSURE DISAGREE FAULT, P3B OUT OF RANGE, P3B PRESSURE DISAGREE FAULT, OR P3B VS PS3 PRESSURE DISAGREE FAULT. (TASK CARD 73-ASA-01)(#PRI 1) CNR # 20231108022ETOPS SIGNIFICANT Nov 8, 2023 · N977AK · Boeing 7379 · Fuel Controlling SystemSDR ASAA2023110846081Unknown · unknown#2 ENGINE CONTROL LIGHT ILLUMINATED AFTER TOUCHDOWN. GROUNDED - YES. ENG 2 CONTROL STATUS MSG FOUND ACTIVE, PER IFIM TASK G73-20-00-810-858 FOUND 2 NON ACTIVE FAULTS. MX MSG 73-43304 COMPRESSOR DISCHARGE PRESSURE (PS3) SENSOR IS OUT OF RANGE DETECTED BY ENG-2 Nov 8, 2023 · N977AK · Boeing 7379 · Fuel Controlling SystemSDR ASAA2023101045542Modulating Valve · out of rangeREFER TC 31-005-00 SMT MESSAGE BLEED FAMV RVDT R WITH ASSOCIATED CORRELATED MAINTENANCE MESSAGE 36-12031 ENGINE -2 FAMV RVDT SIGNAL IS OUT OF RANGE. GROUNDED - YES. (RESOLVED ON W/O: 1972725 TASKCARD: N/R-00002 ) THE RESISTANCE READINGS FOR ALL FIVE CONNECTIONOct 10, 2023 · N977AK · Boeing 7379 · Pneumatic Distribution SystemSDR ASAA2023092445257Insert · damaged#2 ENGINE HIGH PRESSURE SHUTOFF VALVE LOCKOUT INOP (HEILCOIL DAMAGE). GROUNDED - YES. CW EA MAX-36EA-25932 MAX HIGH PRESSURE SHUTOFF VALVE MANUAL LOCK HELICOIL INSERT INSHOP REPAIR. OK FOR SERVICE.Sep 24, 2023 · N977AK · Boeing 7379 · Pneumatic SystemSDR ASAA2023092245267Unknown · unknownF/C APPROACH SURVEY AUTOLAND NOT SUCCESSFUL. GROUNDED - YES. ON DEFERRAL.Sep 22, 2023 · N977AK · Boeing 7379 · Auto Flight SystemSDR ASAA2023081044574Unknown · unknownAFTER STARTING ENG NBR 1 WITH AIR CART NBR 1 ENG ANTI-ICE LIGHT ILLUMINATED. GROUNDED - YES. REF LOG PAGE 60841435 FOR CORRECTIVE ACTION. AFTER BLEED FAULT TROUBLESHOOTING ANTI ICE FAULT CLEARED. UPON OMF QUERY NOTICED HPSOV ON STATUS PAGE. ACCOMPLISHED EXISTIAug 10, 2023 · N977AK · Boeing 7379 · Engine Anti-Icing SystemSDR ASAA2023081044571Unknown · unknownAFTER CROSS BLEED START ENG NBR 2 NBR 1 BLEED LIGHT ILLUMINATED. AT THE GATE AFTER SHUTDOWN MAINT LIGHT ILLUMINATED. GROUNDED - YES. UPON OMF QUERY NOTIED HPSOV ON STATUS PAGE. ACCOMPLISHED EXISTING FAULTS FOUND FAULT CODES 36-00180, 36-11020, 36-12030 AND 36-Aug 10, 2023 · N977AK · Boeing 7379 · Pneumatic Distribution SystemSDR ASAA2023080944578Computer · faultyGE DIAGNOSTICS REPORTS THE #2 ENGINE IS GENERATING ALERTS FOR PS3 OUT OF RANGE, PS3 PRESSURE DISAGREE FAULT, P3B OUT OF RANGE, P3B PRESSURE DISAGREE FAULT, OR P3B VS PS3 PRESSURE DISAGREE FAULT. GROUNDED - YES. REMOVED AND REPLACED PSS REF AMM 73-21-11, OPS CHAug 9, 2023 · N977AK · Boeing 7379 · Fuel Controlling SystemSDR ASAA2023080844496Unknown · unknownWHILE ACCOMPLISHING T/C 31-005-00 FOUND FAULT CODE 36-00051 DUAL BLEED STATUS SIGNAL FROM ACAU-R DOES NOT AGREE WITH INTERNAL DUAL BLEED DETERMINATION LOGIC. GROUNDED - YES. ON DEFERRAL.Aug 8, 2023 · N977AK · Boeing 7379 · Pneumatic Distribution SystemSDR ASAA2023080844483Unknown · unknownWHILE ACCOMPLISHING T/C 35-005-00 FOUND #1 ENG FAULT CODE 36-12030 FAMV RVDT SIGNAL IS OUT OF RANGE. GROUNDED - YES. ON DEFERRAL.Aug 8, 2023 · N977AK · Boeing 7379 · Pneumatic Distribution SystemSDR ASAA2023080744484Unknown · unknownWITH APU PRESSURIZING PACKS, DUCT PRESSURE FLUCTUATES FROM 10 TO 35 PSI. GROUNDED - YES. ACCOMPLISHED ENG NORMAL START REF AMM 71-00-00 WITH APU BLEED AIR WITH NO FLUCTUATION NOTED APU OPS NORMAL THIS CLEAR MEL 49-52-01B SEA MOC NOTIFIED PLACARDS REMOVED.Aug 7, 2023 · N977AK · Boeing 7379 · APU Bleed Air SystemSDR ASAA2023080444422Unknown · unknownAMBER MAINT LIGHT ON OVERHEAD PANEL DOING PREFLIGHT. GROUNDED - YES. FOUND BOTH EEC FOR ENGINE 1 AND 2 IN TEST MODE FOLLOWED IFIM G77-00-00810-941, AND TASK G73-20-00-810-936. SET BOTH EECS TO NORM, CLEARED LATCHED FAULS, OPS CHECK GOOD.Aug 4, 2023 · N977AK · Boeing 7379 · Fuel Controlling SystemSDR ASAA2023073144403Unknown · unknownWHILE PERFORMING T/C 31-005-00, FOUND ENG 2 EEC C1 MESSAGE WITH ASSOCIATED MAINTENANCE MESSAGE 73-43303 AND 73-43293. " COMPRESSOR DISCHARGE PRESSURE (PS3) SENSOR CHANNEL-A CHANNEL-B SIGNALS DO NOT AGREE. GROUNDED - YES. ON DEFERRAL.Jul 31, 2023 · N977AK · Boeing 7379 · Engine Fuel and ControlSDR ASAA2023071644125Unknown · unknownGE DIAGNOSTICS REPORTS THE #2 ENGINE IS GENERATING ALERTS FOR PS3 OUT OF RANGE, PS3 PRESSURE DISAGREE FAULT, P3B OUT OF RANGE, P3B PRESSURE DISAGREE FAULT, OR P3B VS PS3 PRESSURE DISAGREE FAULT. (TASK CARD 73-ASA-01)-----#PRI1/ETOPS----- CNR # 20230716004*****Jul 16, 2023 · N977AK · Boeing 7379 · Fuel Controlling SystemSDR ASAA2023062643775Filter · faulty#1 ENGINE IS ALERTING FOR OIL FILTER DELTA PRESSURE INCREASE AND APPROACHING OIL FILTER BYPASS INDICATION. (#PRI1) CNR 20230626065DO NOT EXTEND. GROUNDED - YES. ACCOMPLISHED TSR STEPS 1 THRU 4.NO OMF MX MSG NOTED, NO DEFECTS OR CONTAMINATIONS NOTED ON OIL FILTJun 26, 2023 · N977AK · Boeing 7379 · Engine Oil Distribution (Airframe Furnished)SDR ASAA2023062043659Generator · faultyAPU FAULT AND SHUTDOWN ON GROUND AFTER LANDING. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM TASK 49-40-00-810-818 STEPS A.-C.(5)(C) AND IFIM TASK 49-40-00-810-805 STEPS A.-C.(5)(C). NO DEBRIS ON MAGNETIC PLUG, APU ROTATES FREELY, WIRING CHECK OK. REPLACED STARTERJun 20, 2023 · N977AK · Boeing 7379 · AC Generator-AlternatorSDR ASAA2023050843174Igniter · failedATTEMPTED TO START ENGINE #2. #2 ENGINE FAILED TO START RIGHT IGNITION WAS SELECTED. GROUNDED - YES. REPLACED BOTH RIGHT AND LEFT IGNITERS. REF B737-9 AMM 74-21-02.May 8, 2023 · N977AK · Boeing 7379 · Spark Plug/IgniterSDR ASAA2023050843170Unknown · unknownAUX PITOT LIGHT ON OVERHEAD PANEL ILLUMINATED ON APPROACH. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM 30-31-00-810-804 AUX PITOT LIGHT EXTINGUISHED. OPERATION AUX PITOT NORMAL.May 8, 2023 · N977AK · Boeing 7379 · Ice/Rain Protection SystemSDR ASAA2023050243098Unknown · unknownON DEPARTURE CAPTAINS #2 OVERHEAT WINDOW LIGHT CAME ON. GROUNDED - YES. PERFORMED B737-9 IFIM TASK 30-41-00-810-830. CAPTAIN'S SIDE WINDOW OPS CK NORMAL. REF B737-9 AMM TASK 30-41-00-710-801.WAS AN INTERMITTENT FAULT. OK FOR SERVICE.NO HISTORY 30 DAYS.May 2, 2023 · N977AK · Boeing 7379 · Windshield/Door Rain/Ice RemovalSDR ASAA2023050243096Unknown · unknownON LANDING AUX PITOT LIGHT CAME ON. GROUNDED - YES. PERFORMED RESET PROCEDURE PER B737-9 IFIM TASK 30-31-00-810-804 OPS CHECKS NORMAL.May 2, 2023 · N977AK · Boeing 7379 · Pitot/Static Anti-Ice SystemSDR ASAA2023032442571Fmc · faultyTECH SERVICES REQUEST FOLLOW-UP TO HISTORY OF #1 (LEFT) FMC FAILED AND REBOOTING. REPLACE LEFT FMC. GROUNDED - YES. REMOVED AND REPLACED #1 (LEFT) FMC REF B737-9 AMM 34-61-02. OPS CHECK GOOD. NO FAULTS NOTED.Mar 24, 2023 · N977AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR ASAA2023032342569Unknown · unknownAT CRUISE FL 340 FMC DID A RESTART. VTK ON CA ND AND BOTH FMC'S WENT TO MENU PAGE. A/T LIMIT LIGHT ILLUMINATED. FMC'S RETURNED TO NORMAL AFTER 15 SEC. GROUNDED - YES. PERFORMED FMC OPERATIONAL TEST. FMC LEFT AND RIGHT AND L AND R DPC TEST OK IAW B737-9 AMM TASMar 23, 2023 · N977AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR ASAA2023031642382Unknown · unknownWHILE IN CRUISE @ FL340 VTK ON CAPTAINS ND ILLUMINATED FOLLOWED BY BOTH MCDU'S GOING BLANK (MENU) WITH A/T LIM ANNUNCIATION. CAPTAINS MAGENTA LINE ALSO DISAPPEARED ON CAPTAINS ND. ALL SYSTEMS RESTORED WITHIN 15 SECONDS BEFORE QRH COULD BE ACCOMPLISHED. GROUNDEMar 16, 2023 · N977AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR ASAA2023030142184Unknown · unknownFO NAV DISPLAY MAGEHTA ROUTE DATA INCORRECT AND WOULD NOT DISPLAY FMC DATA. MCP DATA DISPLAYED ON FO NAV DISPLAY. CA NAV DISPLAY CORRECT. NO FMC WARNINGS OR CAUTIONS. GROUNDED - YES. RELOAD FMC DATA PER B737-9 AMM 34-61-00-470-002.Mar 1, 2023 · N977AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR ASAA2023011041484Fmc · faultedFMC DISAGREE ON GROUND, QRH PROCEDURE RESOLVED. OPS GOOD. GROUNDED - YES. PERFORMED B737-9 IFIM 34-61-00-810-918 AND FAULT MSG REMAINED EXTINGUISHED.Jan 10, 2023 · N977AK · Boeing 7379 · Flight Management Computing Hardware SystemSDR ASAA2022121841193Oil Cooler · crackedFOUND CRACK ON #1 ENGINE SURFACE AIR OIL COOLER LH. GROUNDED - YES. REMOVED AND REPLACED #1 ENG SACOC REF B737-9 AMM 79-21-02.Dec 18, 2022 · N977AK · Boeing 7379 · Engine Oil CoolerSDR ASAA2022111740855Anti-Ice Valve · not openedLEFT WING ANTI ICE VALVE WOULD NOT OPEN WHEN TURNED ON LEFT VALVE CAUTION LIGHT ANT ANTI ICE VALVE MASTER CAUTION ILLUMINATED WHEN POSITION ON. GROUNDED - YES. REMOVED & REPLACED LH WING ANTI-ICE VALVE REF B737-9 AMM 30-11-11/401. OPS CHECK PASS.Nov 17, 2022 · N977AK · Boeing 7379 · Airfoil Anti/De-ice SystemSDR ASAA2022110140870Sensor · faultedWHILE PERFORMING ASA T.C. #05-020-01, #1 ENG HAS SMT MTX MSG PRESENT "ENG 1 EEC C2", WITH CORRELATED MTX MSG 73-44632: FAN SPEED (N1) SENSOR LOW TOOTH SIGNAL IS INVALID, IN FAULT HISTORY. GROUNDED - YES. REPLACED N1 SENSOR, REF B737-9 AMM 77-12-01-401.Nov 1, 2022 · N977AK · Boeing 7379 · Power Indicating SystemSDR ASAA2022102640525Anti-Ice Valve · faultedWHEN SELECTING WING ANTI-ICE, THE LEFT WING ANTI-ICE VALVE AMBER LIGHT REMAINED ILLUMINATED AND THERE WAS A 15 PSI DUCT SPLIT. GROUNDED - YES. REMOVED AND REPLACED LH WING ANTI-ICE VALVE REF B737-9 AMM 30-11-11 OPS CHK GOOD. GROUND VERIFICATION SUCCESSFUL. OROct 26, 2022 · N977AK · Boeing 7379 · Airfoil Anti/De-ice SystemSDR ASAA2022102440444Anti-Ice Valve · false indicationDURING DESCENT WITH ANTI ICE ON, L VALVE AMBER LIGHT REMAINED ILLUMINATED. GROUNDED - YES. INTERROGATED FAULT HISTORY. FOUND NO FAULTS. PREFORMED B737-9 FIM TASK 30-11-00-810-808 FOR WING ANTI-ICE STAYS ON AFTER TRANSITION. VALVE AND PANEL OPERATIONAL CHECK GOOct 24, 2022 · N977AK · Boeing 7379 · Airfoil Anti/De-ice SystemSDR ASAA2022102340442Anti-Ice System · false indicationON DESCENT WITH A TAT OF -3 WING WING ANTI-ICE WAS TURNED ON AND THE L VALVE CAUTION LIGHT REMAINED ILLUMINATED. CHECKLIST DIRECTED TO TURN OFF WING ANTI-ICE AND CAUTION LIGHT EXTINGUISHED. GROUNDED - YES. PREFORMED OPS CHECK REF B737-9 AMM 30-11-11-710-801 NOOct 23, 2022 · N977AK · Boeing 7379 · Airfoil Anti/De-ice SystemSDR ASAA2022101340320Wire · misinstalledEMERGENCY EXIT LIGHTS "NOT ARMED" INDICATOR INOP. GROUNDED - YES. RELAMPED NO HELP. REPLACED L-1 "NOT ARMED" LIGHT ASSEMBLY AND SOCKET, NO HELP. PULLING C/B 96-3 D11 MASTER DIM/TEST CONT. WILL TURN ON LIGHT. REPLACED DIODE M208 REF B737-9 WDM 33-18-11 SH2. NO Oct 13, 2022 · N977AK · Boeing 7379 · Emergency LightingSDR ASAA2022091339939Unknown · unknownFMC DISAGREE ON BOTH NDS. GROUNDED - YES. FAULT RESET AND CLEARED REF B737-9 IFIM TASK 34-61-00-810-919.Sep 13, 2022 · N977AK · Boeing 737 · Flight Management Computing Hardware SystemSDR ASAA2022071339073Pressure Switch · faulty#1 ENG FILTER BYPASS LIGHT ON DEPARTURE. GROUNDED - YES. REMOVED AND REPLACED #1 ENG MAIN FUEL/OIL HEAT EXCHANGER DIFFERENTIAL PRESS SWITCH. REF B737-9 AMM 73-11-12-000-801-G00/-400-801-G00.Jul 13, 2022 · N977AK · Boeing 7379 · Engine Fuel DistributionSDR ASAA2022071339056Heat Exchanger · faultyTROUBLESHOOTING RECOMMENDATIONS FOR #1 ENGINE MAIN FUEL/OIL HEAT EXCHANGER FAULT. GROUNDED - YES. REMOVED AND REPLACED #1 ENG MAIN FUEL/OIL HEAT EXCHANGER DIFFERENTIAL PRESSURE SENSOR REF B737-9 AMM TASKS 73-11-12-000-801-G00/-400-801-G00. OPS CHECK GOOD.Jul 13, 2022 · N977AK · Boeing 7379 · Engine Fuel DistributionSDR ASAA2022071239055Fmu · damagedDURING INSPECTION OF #1 ENGINE FUEL METERING UNIT FOUND DAMAGE DURING REMOVAL OF FMU SOLENOID JUST FWRD OF SB2 STRAIN REF ASA L/P 60220674 REQ P/N 8062-1155. GROUNDED - YES. REPLACED FUEL METERING UNIT REF B737-9 AMM 73-21-04-400-801 STEPS A-H OPERATIONAL TESTJul 12, 2022 · N977AK · Boeing 7379 · Fuel Controlling System
Back to N977AK