N404KZ

Service difficulty reports · 63

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 = 'N404KZ' 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 UIEA2026092300914Fitting · corrodedDURING THE REMOVAL OF THE RH BODY GEAR AND THE 4 BOLTS THAT HOLD THE INBOARD TRUNNION BEARING, FOUND THE LOWER BEARING CAP WITH FRETTING CORROSION IN THE INBOARD SIDE.(<P>ACCOMPLISHED MAJOR REPAIR/REPLACEMENT OF RH BODY LANDING GEAR LOWER BEARING CAP DUE TO THSep 25, 2026 · N404KZ · Boeing 747481F · Fuselage, Landing Gear Attach FittingsSDR UIEA2026092300913Skin · dentedRH WING INBOARD AND AFT FLAP LOWER SURFACE HAS A DENT ABOUT WBL 340.(<P>ACCOMPLISHED MAJOR REPAIR OF RH INBOARD AND AFT FLAP LOWER SURFACE. HOT-BONDED METAL-TO-METAL REPAIR IAW SRM 57-53-01-2R-1 REPAIR 1 DETAIL III FIG 201, SHEET 4 TABLE III FIG 201, SHEET 10 Sep 25, 2026 · N404KZ · Boeing 747481F · Trailing Edge FlapsSDR UIEA2026082800820Position Unit · faultedAFTER TAKEOFF ON INITIAL CLIMB, GEAR TILT, EICAS MSG. RT BODY GEAR DID NOT RETRACT AND TILT INDICATION. COMPLETED CHECKLIST. MSG APPEARED AFTER GEAR RETRACTION STARTED. R & R RT BODY GEAR TRUCK POSITIONER IAW AMM 32-13-15/401 & IPC 32-13-11-01. OPS & LEAK CHAug 28, 2026 · N404KZ · Boeing 747481F · Landing Gear Position and WarningSDR UIEA2026062800550Wire · damagedFIRE APU WARNING MSG. DISCHARGED BOTTLE. REF WDM 26-15-11-1 INSPECTED AND FOUND W720-452-18R AND W720-451-18R SHORTED TO EACH OTHER UNDER CLAMP. REPAIRED WIRES PER SWPM 20-30-12. FIRE SYSTEM TEST PASSED FOR APU LOOPS A ND B PER AMM 26-15-00-735-009. </P>)Jun 27, 2026 · N404KZ · Boeing 747481F · Fire Protection System WiringSDR UIEA2024081200826Hydraulic System · leakingRTB - AFTER TAKEOFF. SYS 4 HYDS FAILED. FLUID LEVEL 0. A/C WOULD NOT PRESSURIZE. DURING FUEL DUMP FOR RETURN. SYS 1 LOST ALL REMAINING FLUID. SYS 2 HYD FLUID LEVEL DECREASING (DID NOT GO TO 0). ON LANDING. FOUND LH MLG WHEELS 7 & 8 BLOWN. R/R #7 & #8 IAAug 12, 2024 · N404KZ · Boeing 747481F · Hydraulic System, MainSDR UIEA2023120200972Seal · unknownENGINE 4 OIL QUANTITY 0% IN FLIGHT(<P>OIL LEAKING AT IDG ENG #4. REMOVED THE IDG IAW AMM 24-11-01. REPLACED IDG CARBON SEAL ASSY IAW AMM 72-64-02-404-018-J00 REV 109. PERFORMED ENG #4 RUN UP TO 81% N2 FOR 16 MINUTES IAW AMM 71-00-00 REV 109, SATISFACTORY. NO ODec 2, 2023 · N404KZ · Boeing 747481F · Engine Oil System (Airframe Furnished)SDR UIEA2023022400192None · noneNO.4 ENG LH T/R OPEN ACTUATOR ATT POINT BOLT HOLE FOUND ELONGATED.(<P>NO.4 ENG LH T/R OPEN ACTUATOR ATT POINT REPAIRED IAW CMM 78-32-02 REV.62</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Engine Exhaust SystemSDR UIEA2023022300191None · noneRHW - O/B AFT FLAP O/B UPPER ACCESS PANEL FOUND DEEP CHAFING MARK ABOVE AN OLD REPAIR(<P>PERFORMED METAL TO METAL HOTBOND REPAIR AS PER SRM 51 - 70 - 10 REPAIR 2</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Wing StructureSDR UIEA2023022300190None · noneRHW - O/B AFT FLAP O/B UPPER ACCESS PANEL FOUND DEEP CHAFING MARK(<P>PERFORMED METAL TO METAL HOTBOND REPAIR AS PER SRM 51 - 70 - 10 REPAIR 4</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Wing StructureSDR UIEA2023022300189None · noneRHW - O/B AFT FLAP O/B UPPER ACCESS PANEL EXISTING REPAIR DOUBLER HAS A DEEP CHAFING MARK(<P>PERFORMED METAL TO METAL HOTBOND REPAIR AS PER SRM 51 - 70 - 10 REPAIR 4</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Wing StructureSDR UIEA2023022300176Power Supply · noneM5169 EMER LT BATTERY PACK CAPACITY TEST FAILED(<P>M5169 EMER LT POWER SUPPLY REPLACED AND INSTALLATION TEST NORMAL IAW AMM 33-51-04 REV 106, 15 NOV 2022</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Lighting SystemSDR UIEA2023022200175Support Ring · noneNO.4 ENG L/H T/R AFT CASCADE SUPPORT RING 11 O'CLOCK FOUND CRACK FORWARD OF BOLT HOLE.(<P>SUPPORT RING REPLACEMENT CARRIED OUT AS PER ATLAS AIR EO: 1978A084 REV.3 PART 1.</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Engine Exhaust SystemSDR UIEA2023022200169None · noneLHW - AFT I/B FLAP O/B UPPER ACCESS PNL HAS CHAFING MARK.(<P>PERFORMED METAL TO METAL HOTBOND REPAIR AS PER SRM 51 - 70 - 10 REPAIR 2</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Wing StructureSDR UIEA2023022200168None · noneLHW - AFT I/B FLAP O/B SECTION LOWER SURFACE HAS A DENT MARK(<P>PERFORMED METAL TO METAL HOTBOND REPAIR AS PER SRM 51 - 70 - 10 REPAIR 2</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Wing StructureSDR UIEA2023022200167None · noneRHW O/B FORE FLAP O/B TOP PNL FOUND 1EA DENT(<P>PERFORMED METAL TO METAL HOTBOND REPAIR AS PER SRM 51 - 70 - 10 REPAIR 2</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Wing StructureSDR UIEA2023022200166None · noneRHW O/B FORE FLAP I/B TOP PNL NEAR I/B EDGE AREA FOUND PUNCTURED(<P>PERFORMED METAL TO METAL HOTBOND REPAIR AS PER SRM 51 - 70 - 10 REPAIR 4</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Wing StructureSDR UIEA2023022100163None · noneRHW - I/B FORE FLAP UPPER SURFACE FOUND DELAM (APPROX 140" FROM I/B AND 16"FROM T/E)(<P>PERFORMED COMPOSITE HOTBOND REPAIR AS PER SRM 51-70-07 PAR.5A</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Wing StructureSDR UIEA2023022100158Shear Tie · noneRH STA 1000 FRONT SPAR SHEAR TIE RBL 33.99" 1EA CRACK WAS FOUND APPROX 1.5".(<P>CRACK SHEAR TIE REPLACEMENT CARRIED OUT AS PER ATLAS AIR EO 4453C024 PART 8 AND RI NO. RI-53-43-16092 REV.A</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Wing StructureSDR UIEA2023022100156None · noneAPU COMPT TAIL CONE INTERNAL LH FS 2753 WL 359 SUPPORT FRAME CRACK.(<P>FRAME CRACK AREA REPAIRED AS PER RI NO. RI-53-80-16075 REV.A</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Fuselage Structure (General)SDR UIEA2023022100155None · noneAPU FIREWALL STA 2658 FWD FACE #2 STIFFENER (COUNT FROM BOTTOM) FOUND L/H O/B END CRACKED.(<P>CRACK AREA REPAIRED AS PER RI NO. RI-53-83-16077 REV.A</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Fuselage Structure (General)SDR UIEA2023022100152None · noneAPU FIREWALL AT STA 2658 FWD FACE #2 STIFFENER (COUNT FROM BOTTOM) FOUND END CRACKED.(<P>CRACK AREA REPAIRED AS PER RI NO. RI-53-83-16077 REV.A</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Fuselage Structure (General)SDR UIEA2023022100151None · noneRHW - I/B T/E MID FLAP L/E FIXED FAIRING AT MID EXTERIOR SURFACE FOUND DELAM(<P>PERFORMED COMPOSITE HOTBOND REPAIR AS PER SRM 51-70-07 PAR.5A</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Wing StructureSDR UIEA2023022100150None · noneLHW - I/B FORE FLAP L/E FOUND DELAMINATION 128" APPROX FROM O/B EDGE(<P>PERFORMED COMPOSITE HOTBOND REPAIR AS PER SRM 51-70-07 PAR.5A</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Wing StructureSDR UIEA2023022100149None · noneLHW O/B T/E MID FLAP L/E FAIRING EXTERIOR SURFACE AT MID AREA DELAMINATED(<P>PERFORMED COMPOSITE HOTBOND REPAIR AS PER SRM 51-70-07 PAR.5A</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Wing StructureSDR UIEA2023022100148None · noneRHW - I/B FORE FLAP UPPER SURFACE FOUND DELAM (APPROX 50" FROM I/B 16" FROM T/E )(<P>PERFORMED COMPOSITE HOTBOND REPAIR AS PER SRM 51-70-07 PAR.5A</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Wing StructureSDR UIEA2023022100147None · noneRHW - O/B MID FLAP O/B SECTION UPPER FIXED PNL SUPPORT BRACKET ATT SCREW HOLE ELONGATED(<P>PERFORMED COMPOSITE HOTBOND REPAIR AS PER SRM 51-70-07 PAR.5A</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Wing StructureSDR UIEA2023022000143Lamp · noneL1 DOOR EMER LT L1854 FOUND INOP.(<P>L1 DOOR EMER LT LAMP REPLACED AND TEST NORMAL REF AMM 33-51-05.</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Emergency LightingSDR UIEA2023022000142None · noneNO.3 ENG L/H T/R IDG SERVICE DOOR AFT 2EA LATCH ATT SKIN FOUND WEAR.(<P>2EA WEAR SKIN AREA REPAIRED AS PER ST ENGINEERING CMM 78-32-02 REPAIR 45.</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Engine Exhaust SystemSDR UIEA2023022000141None · noneFX SECTION 48 FROM STA 2747 TO 2753 AND BETWEEN WL 357 AND WL 361 FOUND SKIN CRACK.(<P>SKIN CRACK AREA REPAIRED AS PER <SPAN>RI NO. RI-53-80-16075 REV.A</SPAN></P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Fuselage Structure (General)SDR UIEA2023022000140None · noneFX FUSELAGE LOWER SKIN STA 2120-2140 STR 44R-45R FOUND 1EA LIGHTNING STRIKE.(<P>SKIN LIGHTNING STRIKE AREA REPAIRED AS PER SRM 53-00-01-2R-9 REPAIR 9.</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Fuselage Structure (General)SDR UIEA2023022000139None · noneLH BS720 1EA CRACK WAS FOUND ON THE FWD CHANNEL OF THE UPPER DECK TENSION TIE APPROX 1/2" IN LENGTH AT RADIUS AREA.(<P>CHANNEL REPAIRED AS PER SRM 53-20-30-2R-1 REPAIR 1. THIS REPAIR WAS CATEGORY B.</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Fuselage Structure (General)SDR UIEA2023022000138Rivet · noneNO.5 FLAP TRACK CANOE FAIRING DRIVE LINK RIVETS FOUND LOOSE.(<P>LOOSE RIVETS REPLACEMENT AS PER ATLAS AIR EO NO.4427A040 REV.9 PART 1 AND CMM 27-51-93.</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Flight Control SystemSDR UIEA2023022000137None · noneNO.3 ENG R/H CORE COWL PRECOOLER EXHAUST RIVET HOLES FOUND CRACK (2EA).(<P>CRACK AREA <SPAN>REPAIRED AS PER SRM 54-45-01-2R-4 REPAIR 4 FIG 201.</SPAN></P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Powerplant SystemSDR UIEA2023021700132None · noneEMP - APU COMPT RH FRAME AT STA 2664 WL 305 FOUND CRACKED.(<P>CRACK AREA REPAIRED AS PER SRM 53-80-07-2R-1 REPAIR 1.</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Fuselage Structure (General)SDR UIEA2023021600125None · noneFX LH BODY FAIRING #191KL INTERCOSTAL AT STA 1240 UPPER AND LOWER FLANGE FOUND CRACK.(<P>INTERCOSTAL UPPER AND LOWER FLANGE REPAIRED AS PER RI NO. RI-53-40-16059 REV.A</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Fuselage Structure (General)SDR UIEA2023021600124None · noneFX RH BODY FAIRING #192KR INTERCOSTAL AT STA 1240 UPPER AND LOWER FLANGE FOUND CRACK.(<P>UPPER & LOWER FLANGE REPAIRED AS PER RI NO. RI-53-40-16060 REV.A</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Fuselage Structure (General)SDR UIEA2023021600122Shear Tie · noneLH STA 1000 FRONT SPAR SHEAR TIE LBL 57.5 1EA CRACK WAS FOUND APPROX 1.5".(<P>CRACK SHEAR TIE REPLACEMENT CARRIED OUT AS PER ATLAS AIR EO: 4453C024 PART 5.</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · Wing StructureSDR UIEA2023021400117None · noneBULK CARGO DOOR (P/N: 65B01857-26; S/N: 001338) OUTER SKIN FWD LOWER CORNER DENT (EO: 1952A260-4).(<P>DENT AREA REPAIRED AS PER SRM 52-00-01-2R-9 REPAIR 9 FIG 201.</P>)Feb 28, 2023 · N404KZ · Boeing 747481F · DoorsSDR UIEA2023021300109None · noneAPU RH COMPT DOOR #1 LATCH CUTOUT FOUND CRACKED.(<P>CRACK AREA REPAIRED AS PER SRM 52-40-01-<SPAN>2R-5 REPAIR 5 FIG 201.</SPAN></P>)Feb 28, 2023 · N404KZ · Boeing 747481F · DoorsSDR UIEA2022011800056None · noneMAIN DECK CARGO DOOR STA 1899.05-1912.90 ABOUT ACCESS HOLE, OUTER REVERSE DENT W=1" D=3/323 AND INSIDE SKIN GOUGE 1/4"X3/4" D= 1/32"(<P>FOR INSIDE GOUGE, SMOOTHED OUT PER SRM 52-3001 FOR REVERSE DENT. REMOVED EXISTING DOUBLER & SMOOTHED OUT DENT TO FLUSH PER SJan 18, 2022 · N404KZ · Boeing 747481F · Cargo/Baggage DoorsSDR UIEA2021020900261Skin · dentedDENT - SKIN, FOUND R/H WING OUTBD MID FLAP TOP PANEL UPPER SURFACE DENT AT WBL 536(<P>REMOVED THE DAMAGED MATERIAL AND CLEANED, MEASURED THE DAMAGE AREA (DIA: 1", 5" FROM L/E, 22" FROM INBD EDGE). BOND REPAIR DOUBLER (DIA: 4") WITH FILM ADHESIVE, CURED AT 250 Feb 6, 2021 · N404KZ · Boeing 747481F · Trailing Edge FlapsSDR UIEA2021020900262Skin · crackedCRACK - SKIN, RH WING INBD AILERON LWR SKIN OUTBD EDGE ABOUT L = 20"(<P>REMOVE THE DAMAGED MATERIAL AREA (L = 20", W = 1", D = 3 PLIES AT RH WING INBD AILERON LWR SKIN AFT EDGE 1", INBD EDGE 2") AND CLEAN BOND 3 REPAIR PLIES (L = 3.5", W = 4.5") USE PREPRG LAYFeb 6, 2021 · N404KZ · Boeing 747481F · AileronsSDR UIEA2021020900263Skin · chafedCHAFED - SKIN, RH WING INBD AILERON T/E WEDGE UPPER SKIN OUTBD SIDE.(<P>REMOVE THE DAMAGED MATERIAL AREA (L = 2", W = .25", D = 2 PLIES AT RH WING INBD AILERON T/E UPR SKIN AFT EDGE. INBD EDGE) AND CLEAN BOND 4 REPAIR PLIES (L = 6", W = 4.25") USE WET LAYUP WIFeb 6, 2021 · N404KZ · Boeing 747481F · AileronsSDR UIEA2021020900264Skin · debondedDISBOND - RUDDER, LOWER RUDDER, LH SURFACE(<P>TRIM OUT THE DAMAGED SKIN (L = 4.5", W = 1.5", RUD STA 63, 40.5" FROM FWD EDGE) AND CLEAN BOND THE REPAIR PLIES WITH FILM ADHESIVE CURE AT 260 DEGREES F FOR 130 MINUTES. MAINTAIN A MINIMUM VACUUM OF 22 IN/HG IAW 74Feb 6, 2021 · N404KZ · Boeing 747481F · Rudder, Plate/SkinSDR UIEA2021020900265Floor Support · damagedBROKEN - DAMAGE ON MAIN DECK LONGITUDINAL FLOOR BEAM UPPER CHORD BETWEEN STA 1460 AND STA 1480 LBL 75.92.(<P>REPAIR THE BROKEN AREA IAW EI NO T2021A53M-149 REV 1. JOB COMPLETED AND COND CHK NORMAL.</P>)Feb 6, 2021 · N404KZ · Boeing 747481F · Fuselage Miscellaneous StructureSDR UIEA2021020900266Door Frame · crackedFOUND L5 DOOR CUTOUT STRUCTURE CRACK AT STA 2231 LH SIDE, WL 229(<P>REPAIRED CRACKED AREA IAW SRM 53-60-2R-3 REPAIR 3 REV 90 AND EI NO T2021A53M-083 REV 2. JOB COMPLETED AND CONDITION CHK NORMAL.</P>)Feb 6, 2021 · N404KZ · Boeing 747481F · Fuselage Main, StructureSDR UIEA2021020900267Cargo Track · crackedCRACK - SUBSTITUTE SEAT TRACK, FWD CARGO COMPT CEILING AREA, MAIN DECK FLOOR STRUCTURE, STA 994, LBL 75.92.(<P>REPAIR DAMAGED AREA IAW SRM 53-00-52-2R-13 REPAIR 13 REV 90 AND EI NO T2021A53M-196 REV 1. JOB COMPLETED AND CONDITION CHK NORMAL.</P>)Feb 6, 2021 · N404KZ · Boeing 747481F · Fuselage, Seat/Cargo Attach FittingsSDR UIEA2021020900268Cargo Track · crackedFOUND MAIN DECK CGO SUBSTITUTE SEAT TRACK CRACK STA 995, RBL 75.92.(<P>REPAIRED DAMAGED AREA IAW SRM 53-00-52-2R-13 REPAIR 13, REV 90, AND EI NO T2021A53M-197 REV 1. JOB COMPLETED AND CONDITION CHK NORMAL.</P>)Feb 6, 2021 · N404KZ · Boeing 747481F · Fuselage, Seat/Cargo Attach FittingsSDR UIEA2021020900269Keelbeam · corrodedCORROSION - CHORD, INTERNAL LOWER SURFACE OF THE KEEL BEAM, STA 1338, RBL 9(<P>ACCOMPLISHED REPAIR AREA IAW EI NO T2021A53M-152 REV 1. ORIGINAL EI ATTACHMENT TO W/O 5459875. JOB COMPLETED AND CONDITION CHK NORMAL.</P>)Feb 6, 2021 · N404KZ · Boeing 747481F · Fuselage Main, KeelSDR UIEA2021020900270Keelbeam · corrodedCORROSION - CHORD, INTERNAL LOWER SURFACE OF THE KEEL BEAM, STA 1445 RBL 9.(<P>ACCOMPLISHED REPAIR AREA IAW EI NO T2021A53M-152 REV 1. ORIGINAL EI THAT ATTACHMENT TO WO 5459875. JOB COMPLETED AND CONDITION CHK NORMAL.</P>)Feb 6, 2021 · N404KZ · Boeing 747481F · Fuselage Main, Keel
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