N78004

Service difficulty reports · 60

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 = 'N78004' 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 CALA2026102620567Battery Pack · inoperativeDURING REPLACEMENT OF R4 DOOR SLIDE THE EPAS SYSTEM ACTIVATED AND BLEW THE DOOR OPEN. AFTER FURTHER TS FOUND DOOR 4R SAFETY SWITCH TO BE FAULTED. WITH BATTERY PACK SWITCH ON DISARM POSITION EPASS BOTTLE SQUIB CONNECTOR DM52109 PIN 1 WAS GETTING CONSTANTLY. REFOct 22, 2026 · N78004 · Boeing 777224 · Emergency EquipmentSDR CALA2026092919994Battery Pack · inoperativeEMERGENCY CELING AREA LIGHTS, FROM SEAT ROWS 1 LH TO 8 LH, DOES NOT COMES ON. REMOVED AND REPLACED M33424 POWER SUPPLY - BATTERY PACK, LOCATED AT DOOR 1 LH LOWERED CEILING PANEL, REF AMM 33-51-06-960-802. OPS CHECK GOOD.Sep 27, 2026 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2026092919992Lamp · inoperativeEMERGENCY CEILING AREA LIGHT, CLOSE TO SEAT ROW 40 RH, DOES NOT COMES ON. REMOVED AND REPLACED EMERGENCY CEILING AREA LIGHT, CLOSE TO SEAT ROW 40RH REF AMM TASK 33-51-03-960-801. OPS CHECK GOOD.Sep 27, 2026 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2026021213737Battery Pack · inoperativeEMERGENCY SIDEWALL LIGHT AT 2R AFT DOOR INOPERATIVE. CONFIRMED. R & R THE BATTERY PACK IAW 33-51-06-960-802, CHKD OK.Feb 11, 2026 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2026021213735Battery Pack · inoperativeEMERGENCY CELLING LIGHT AT THE L3 DOOR INOPERATIVE, CONFIRMED. R & R THE PACK BATTERY IAW 33-51-06-960-802, CHKD OK.Feb 11, 2026 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2025122212309Engine · failedLEFT ENGINE FAILURE ON TAKEOFF. NR 1 ENGINE REMOVED AND REPLACED IAW TASK CARDS 25-0571-8-0052 AND 23-7100-1-4817. LEAK CHECKED. AIRCRAFT OK FOR SERVICE.Dec 13, 2025 · N78004 · Boeing 777224 · Engine (Turbine/Turboprop)SDR CALA2025092909358Lock · faultedDOOR FLIGHT LOCK 3L EICAS STATUS L3 PASSENGER ENTRY DOOR FLIGHT LOCK COMMAND/FLT LOCK RELAY & SENSOR DISAGREEMENT. PERFORMED PAX ENTRY DOOR FLT LOCK CONT TESTED. TEST PASSED AND STATUS MSG DISAPPEAR IAW AMM 52-11-26-740-801.Sep 26, 2025 · N78004 · Boeing 777224 · Door Warning SystemSDR CALA2025062605916Slide · low pressureSLIDE RAFT AT DOOR 3L PRESSURE GAUGE YELLOW NEEDLE IS OUT OF GREEN ON THE LOW SIDE. PX GAUGE READING BELOW GREEN LEVEL. REQUEST TO APPLY MEL 5211L. MEL 5211L TOMC REJECTING DEF REQUEST - MX TO REPLACE DR 3L SLIDE DOOR 3L DOOR MOUNTED ESCAPE SLIDE PACK REMOVEDJun 24, 2025 · N78004 · Boeing 777224 · Escape SlideSDR CALA2025051404670Tire · damagedPDA 1 #3 MLG WHEEL TIRE ASSY, TREAD THROWN , ACCOMPLISHED AND #3 MLG WHEEL ASSY REPLACED REF AMM 32-45-01-400-801May 11, 2025 · N78004 · Boeing 777224 · TireSDR CALA2025021002253Sink · cloggedAFTER TAKE OFF ABOUT 2.5 HOURS IN FLIGHT WATER STARTED COMING OUT OF THE FWD LAV SINK DRAIN AND FILLING SINK TO POINT OF OVERFLOW. TOMC REQUESTS TO CONFIRM DRAIN LINES ARE CLEAR TO FWD DRAIN MAST AND TO VERIFY PROPER OPERATION OF FWD DRAIN MAST HEATER. REF LOGFeb 8, 2025 · N78004 · Boeing 777224 · Water and Waste SystemSDR CALA2024022600550Steering Sys · faultedON TAKEOFF ROLL AT LOW SPEED..5KTS..GOT CONFIG GEAR STEARING W ARNING REQUESTING MEL 3253A. GEAR STEERING CONFIG WARNING BREAKER OPENED AND COLLARED. (N27) ON P110. MLG STEERING SYSTEM DEACTIVATED. MEL APPLIED TOMC APPROVES MEL 3253A LEFT AND RIGHT PCA ARE LOCFeb 22, 2024 · N78004 · Boeing 777224 · Landing Gear Steering SystemSDR CALA2023122603737Charger · failedCABIN DR L4 OVER DOOR EXIT SIGN CAPACITY CHK FAIL REF HX NR WO.2594179, L4 DR EMERGENCY LT POWER SUPPLY M33407 REPLACED AND INSTALLATION TEST CARRIED OUT WITH NORMAL RESULT AS PER AMM 33-51-06.Dec 22, 2023 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2023122603735Battery Pack · no testCABIN DOOR L4 EMER LT POWER PACK M33407 CAPACITY CHK FAIL REF HX NR WO.2594346, CABIN L4 EMER LT BATTERY PACK M33407 REPLACED AND INSTALLATION T EST CARRIED OUT WITH NORMAL RESULT AS PER AMM 33-51-06.Dec 22, 2023 · N78004 · Boeing 777224 · Lighting SystemSDR CALA2023122603733Battery Pack · no testCABIN DOOR L3 FWD INDENTIFIER EXIT SIGN CAPACITY CHK FAIL REF HX NR WO. 2594339, CABIN DOOR L3 EMER LT BATTERY PACK M33400 REPLACED AND INSTALLATION TEST CARRIED OUT WITH NORMAL RESULT AS PER AMM 33-51-06Dec 22, 2023 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2023122603731Battery Pack · no testCABIN DR L3 AFT IDENTIFIER EXIT SIGN CAPACITY CHK FAIL REF HX NR WO.2594329, CABIN DR L3 EMER LT BATTERY PACK M33405 REPLACED AND INSTALLATIO N TEST CARRIED OUT WITH NORMAL AS PER AMM 33-51-06Dec 22, 2023 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2023092702889Cdu · faultyNO FMC PROMPT ON F/O CDU . UNABLE TO SELECT FMC. REPLACED RIGHT CDU PER TASK 34-61-02-420-801. SYSTEM OP''S CHECKED GOOD.PARTS USED: 27-3161-9-0004,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1753966 SN OFF 8806 UNIT, CONTROL D OFF 27-3161-9-0004 8806 Sep 24, 2023 · N78004 · Boeing 777224 · Flight Management Computing Hardware SystemSDR CALA2023080202410Module · unknownWX RADAR FAILED ADVISED RETURN TO SFO. SINCE INTERNET ONBOARD WAS NOT WORKING, CAPT OPT TO RETURN TO SFO. THEN SOMETIME LATER, TOMC CAME BACK ON AND ADVICED SWITCHING TO THE OTHER WXR SIDE. WHEN THEY DID THAT, RADAR CAME ON AT THE CAPT''S ND. DEBRIEFED CREW, CJul 31, 2023 · N78004 · Boeing 777224 · Weather Radar SystemSDR CALA2023052601641Steering Sys · unknownON POWER APPLIED ON TO ROLL WE REPEATEDLY GOT MAIN GEAR STEERING REQUESTING MEL FOR MAIN GEAR STEERING DDP C/W. MAIN GEAR STEERING PLACED ON MEL. DDP C/W. TOMC APPROVED.LOW SPD HAPPENED ON THROTTLE UP. REVERSED MEL FOR INITIAL EVALUATION AND FOUND NO ACTIVE FAMay 25, 2023 · N78004 · Boeing 777224 · Landing Gear Steering SystemSDR CALA2023012300178Structure · crackedEA5380-01113 REV B OP 018 - RH BS 2370 PIVOT BULKHEAD FORWARD CHORD 2EA CRACK FOUND AT BULKHEAD FORWARD OUTER CHORD AS MARKED , CRACK LENGTH APPROX 1 1/4" AND 7/8" RESPECTIVELY. RH BS2370 PIVOT BULKHEAD FORWARD CHORD REPLACED AND INSTALLED IAW EA5380-01113 REJan 20, 2023 · N78004 · Boeing 777224 · Fuselage Main, StructureSDR CALA2023012300177Structure · crackedEA5380-01113 REV B OP 017 - LH BS2370 PIVOT BULKHEAD FORWARD HORD 1EA CRACK FOUND AT BULKHEAD FORWARD OUTER CHORD, CRACK LENGTH APPROX 1 1/4" LONG . LT BS 2370 PIVOT BULKHEAD FORWARD CHORD, REPLACED AND INSTALLED IAW EA5380-01113 REV B OP 025.Jan 20, 2023 · N78004 · Boeing 777224 · Fuselage Main, StructureSDR CALA2023012000160Battery Pack · no testDOOR L2 CEILING EMERGENCY LIGHT TO SEAT 20AB CEILING AISLE EMERGENCY LIGHT POWER PACK CAPACITY CHECK FAILED (M33099 DOOR L2) DOOR L2 M33099 EMER POWER SUPPLY BATTERY AND CHARGER REPLACED AND BATTERY PACK CAPACITY CHECK NORMAL IAW AMM33-51-06.Jan 19, 2023 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2023012000159Charger · no testCENTER SEAT GROUP 30 DEFG-37 DEFG FLOOR PROX EMERGENCY LIGHT CAPACITY CHECK FAILED (POWER PACK M33404 - DOOR - R3) EMERGENCY POWER SUPPLY BATTERY AND CHARGER REPLACED AND BATTERY PACK CAPACITY CHECK NORMAL IAW AMM33-51-06.Jan 19, 2023 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2023012000158Battery Pack · no testCENTER SEAT GROUP 41DEFG - 53DEFG FLOOR PROX EMERGENCY LIGHT CAPACITY CHECK FAILED (POWER PACK M33409 - DOOR R4) DOOR R4 M33409 EMER POWER SUPPLY BATTERY AND CHARGER REPLACED AND BATTERY PACK CAPACITY CHECK NORMAL IAW AMM33-51-06.Jan 19, 2023 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2021071901119Fmc · faultedAFTER TAKEOFF FMC DATA DROPPED OUT AND NO FIXES UNABLE TO NAVIGA TE INFO FROM CREW: SHORTLY AFTER TAKEOFF BOTH CAPT''S & F/O''S NAV DU LOST NAV, LNAV & ROUTE INFO. SWITCHING BETWEEN MAP AND NAV MODE DID NOT HELP. BOTH FMC DU ALSO LOST FLIGHT PLAN & ROUTE DATA.Jul 16, 2021 · N78004 · Boeing 777224 · Flight Management Computing Hardware SystemSDR CALA2021051200644Battery Pack · inoperativeL3 DOOR AFT EMERGENCY LIGHT BATTERY PACK INOP REPLACED BATTERY PACK AT DOOR L3 REF AMM 33-51-06. CHECKS GOOD. PN D717-01-100 REMOVED. PN AD-D717-01-100 INSTALLED.May 12, 2021 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2021050500610Battery Pack · inoperativeL3 CENTER EMERGENCY LIGHT BATTERY PACK INOP REPLACED L3 DOOR EMERGENCY LIGHT BATTERY PACK REF AMM TASK 33-51-06-960-802, OPS CHECK GOODMay 5, 2021 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2021050500609Battery Pack · inoperativeL2 DOOR CENTER EMERGENCY LIGHT BATTERY PACK INOP REPLACED L2 DOOR CENTER EMERGENCY LIGHT BATTERY PACK REF AMMMay 5, 2021 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2021050500608Battery Pack · inoperativeOFAR EMERGENCY LIGHTS INOP REPLACED OFAR EMERGENCY LIGHT BATTERY REF AMM TASK 33-51-06-960-802, OPS CHECK GOODMay 5, 2021 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2019090601496Skin · corrodedCORROSION FOUND IN HORIZONTAL STABILIZER COMPARTMENT STA 2344.5 TO STA 2358 FROM STRINGER 40R-43R. ACCOMPLISH INSPECTIONS PER ECRA 5331-02445 PART 2 BEFORE THE ACF T COMPLETES 30,000 TOTAL FLIGHT CYCLES. REPEAT INSPECTIONS AT INTERVALS NOT TO EXCEED 16,000 CYCSep 2, 2019 · N78004 · Boeing 777224 · Fuselage Main, Plate/SkinSDR CALA2017120104259Battery Pack · weakSEAT 33JKL CEILING EMER LT FOUND DIM SEAT 33JKL CEILING EMERGENCY LIGHT BATTERY PACK REPLACED AND TESTED NORMAL AS PER AMM 33-51-06 ADD EMP:V898560Dec 1, 2017 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2017120104258Battery Pack · inoperativeREF NR LP 9130826 SUPPORT TASK - DR L3 OVERWING EMER LIGHT FOUND DIM DOOR L3 OVERWING EMERGENCY LIGHT BATTERY PACK AND CHARGER REPLACED, OPERATIONAL TESTED NORMAL AS PER AMM 33-51-06Dec 1, 2017 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2017110603933Socket · burnedTRANSIENT SMOKE LAVATORY ADVISORY MESSAGE DURING DESCENT WITH AN ELECTRICAL ODOR. FOUND FLUORESCENT LIGHT BULB SOCKET BURNED IN THE LAVATORY BY THE L2 DOOR. REPLACED THE SOCKET. ALSO CHANGED THE LIGHT BALLAST AS PRECAUTION IAW AMM 33-26-00-960-806 AND THE LANov 6, 2017 · N78004 · Boeing 777224 · Passenger Compartment LightingSDR CALA2017090102954Oven · odorOVEN 606 AFT GALLEY TRIPPED CB. ELECTRICAL SMELL NOTED. REPLACED OVEN IN AFT GALLEY AT POS 606. OPERATIONAL CHECK OK.Sep 1, 2017 · N78004 · Boeing 777224 · Buffet/GalleysSDR CALA2016061300359Cable · hotDURING TAXI, CREW REPORTED 10B HANDSET CORD HOT. THIS HANDSET WAS REPORTED INOPERATIVE AS INBOUND ITEM AND DEFERRED IAW MEL. 10B HANDSET CORD HOT, ISOLATED BY DISCONNECTED CORD AT HANDSET CRADLE. NO REPORT AS ODOR. JUST HOT.Jun 11, 2016 · N78004 · Boeing 777224 · Communications System WiringSDR CALA2013041200216Generator · malfunctionedAFTER ENGINE START ELECRICAL BACKUP GENERATOR RT EICAS MESSAGE AND CHECK LIST. R & R BACK-UP GENERATOR IAW MM 24-25-01-400-804- 0-01. OP AND LEAK CHECK GOOD.Apr 12, 2013 · N78004 · Boeing 777224 · AC Generator-AlternatorSDR CALA2013031400159Switch · failedL2 DOOR EPAS BATTERY OPS TEST FAILED. CARD 25-5210-1- 9801, STEP 1E6 (AMBER TEST LIGHT NOT ON) FOUND HIGH RESISTANCE IN MODE SELECT SWITCH. R & R; MODE SELECT SWITCH REF AMM 52-11-28-00-801. SYS TEST PASS IAW W/C 25-5210-1-9801 AND AMM 52-11-28.Mar 10, 2013 · N78004 · Boeing 777224 · Passenger/Crew DoorsSDR CALA2012110800774Power Supply · defectiveR2 DOOR EMERGENCY LIGHT POWER SUPPLIES M33097, & M33098 FAILED CAPACITY CHECK. POWER SUPPLIES M33097, & M33098 REPLACED AND CAPACITY CHECKED NORMAL IAW AMM 31-51-06.Nov 7, 2012 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2012110800773Battery Pack · no testR3 DOOR EMERGENCY LIGHT BATTERIES M33406, M33404 FAILED CAPACITY CHECK. BATTERIES M33406, M33404 REPLACED AND CHECKED NORMAL IAW AMM 33-51-06.Nov 7, 2012 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2012110800772Power Supply · defectiveL2 DOOR EMERGENCY LIGHT POWER SUPPLIES M33096, M33099 FAILED CAPACITY CHECK. POWER SUPPLIES M33096, M33099 REPLACED AND CAPACITY CHECKED NORMAL IAW AMM 33-51-06.Nov 7, 2012 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2012110800771Battery Pack · no testL3 DOOR EMERGENCY LIGHT BATTERY M33400 FAILED CAPACITY CHECK. BATTERY M33400 REPLACED AND CAPACITY CHECKED NORMAL IAW AMM 33-51-06.Nov 7, 2012 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2012110800770Battery Pack · no testL4 DOOR EMERGENCY LIGHT POWER SUPPLIES M33405, M33407M, FAILED CAPACITY CHECK. POWER SUPPLIES REPLACED AND CAPACITY CHECKED NORMAL IAW AMM 33-51-06.Nov 7, 2012 · N78004 · Boeing 777224 · Emergency LightingSDR CALA2012082100525Hmu · malfunctionedRIGHT ENGINE FAILED AND EGT ROSE TO START LIMIT. ENGINE WAS SHUTDOWN. CHECKED MAT FOR CURRENT LEG FAULTS, FOUND 73-31802 AND 73-21002 . TROUBLESHOT IAW FIM 73-22 TASK 815. WITH EEC POWER IN TEST NO FAULTS FOUND . ALSO TROUBLESHOT IAW FIM 73-22 TASK 828. FAULTAug 21, 2012 · N78004 · Boeing 777224 · Fuel Controlling SystemSDR CALA2012021300096Line · loosePOTABLE WATER QTY WENT TO ZERO DURING FLIGHT FOUND LOOSE POTABLE WATER SUPPLY LINE AT STA 825 LT. REPLACED O-RING, SECURED LINE. LEAK CHECKS GOOD.Feb 12, 2012 · N78004 · Boeing 777224 · Potable Water SystemSDR CALA2011111100728Plug · out of positionUPON OPENING NR 2 ENGINE COWLING FOUND HPC STAGE 4 BORESCOPE PLUG "F" LAYING IN T/R HALF. REF L/P 8977608 AND L/P 8977609 FOR INSTALLATION OF BORESCOPE PLUG AND T/R THRUST LINK COVER. FOUND INSULATION BLANKET TORN AND MISSING PIECES. REPLACED INSULATION BLANov 11, 2011 · N78004 · Boeing 777224 · Turbine Engine Compressor SectionSDR CALA2011101200660Unknown · malfunctionedALL LAVS FLUSH FUNCTION INOP. PERFORMED M/M TASK 20-60-01-860-801, STEP 15 (B). ALL LAVS CHECK NORMAL AT THIS TIME. OK FOR SERVICE.Oct 12, 2011 · N78004 · Boeing 777224 · Waste Disposal SystemSDR CALA2011042700316Slide · low pressureFOUND L-1 DOOR SLIDE PRESS LOW. REMOVED AND REPLACED L-1 DOOR SLIDE USING TASK 25-66-01 -400-801 AS A REFERENCE. SLIDE, B777-200 OFF 25-2560-9-0005 0635 ON 25-2560-9-0005 0458.Apr 27, 2011 · N78004 · Boeing 777224 · Escape SlideSDR CALA2011020100058Battery Pack · dischargedFLASHLIGHT AT 4L INOPERATIVE. REMOVED AND REPLACED BATTERY PACK. OPS CHECK NORMAL.Feb 1, 2011 · N78004 · Boeing 777224 · Emergency EquipmentSDR CALA2010120300602Battery · dischargedR-3 FLASHLIGHT IN/OP. REMOVED AND REPLACED F/L BATTERY NOW GOOD.Dec 3, 2010 · N78004 · Boeing 777224 · Emergency EquipmentSDR CALA2010100600461Door Frame · crackedAFT CARGO COMPT - DOOR FRAME UPPER AT STA 1700 AREA DENT MARK. AFT CARGO COMPT DOOR FRAME DENT MARK AND CRACKED REPAIRED AS PER ECRA 5230-01845 REV- AT STA 1700 AND FORM 44.0008 ATTACHED ITEM 1-24 ACCOMPLISHED.Sep 30, 2010 · N78004 · Boeing 777224 · Cargo/Baggage DoorsSDR CALA2009121700731Cooling Fan · inoperativeAT 8 HRS INTO FLT A STRONG ELECT/PLASTIC ODOR ENTERED THE COCKPIT. STATUS SCREEN IND "EQUIP COOLING FAN R" INOP. IN ADDITION THE CAPTS BOOM MIKE NO LONGER WORKED / 2 HEADSETS WERE TRIED, COULD HEAR BUT NOT TRANSMIT. SMELL DISSIPATED 10 MIN. REPLACED RT EQUDec 17, 2009 · N78004 · Boeing 777224 · Air Distribution Fan
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