WORK ACCOMPLISHED AS PER EN #3506-26 REV O. NO FURTHER DEFECTS NOTED
/ ) - [SDR UIEA2026071300604](https://openairdocs.org/sdr/UIEA2026071300604.md): Bearing · excess play · Jul 19, 2026 · N508KZ · Boeing 7474KZF · Trailing Edge Flaps > RH WING #6 FLAP TRACK FWD FITTING BEARING FOUND PLAY(WORK ACCOMPLISHED AS PER EN #3506-26 REV O. NO FURTHER DEFECTS NOTED
/ ) - [SDR UIEA2025081201121](https://openairdocs.org/sdr/UIEA2025081201121.md): Drive Unit · failed · Aug 12, 2025 · N508KZ · Boeing 7474KZF · Weather Radar System > WINDSHEAR SYS EICAS MSG. PRESENT LEG FAULT SHOW MSG 3405 WXR ANTENNA FAIL. REPLACED WEATHER RADAR DRIVE UNIT. CARRY OUT WXR LT & RT SYSTEM AND OPS TEST, TEST GOOD. EICAS MSG CLEAR IAW AMM 34-43-03 & AIPC 34-43-03-01B ITEM 40. - [SDR UIEA2025043000573](https://openairdocs.org/sdr/UIEA2025043000573.md): Tire · failed · Apr 30, 2025 · N508KZ · Boeing 7474KZF · Tire > TIRE #9 BLEW ON TAKE OFF.(R/R #9 TIRE AND #10 TIRE/WHEEL ASSY. ALSO, PERFORMED CHAPTER 5 CONDITIONAL INSP 05-51-34-202-001. NO FURTHER DEFECTS NOTED.
) - [SDR UIEA2025042500571](https://openairdocs.org/sdr/UIEA2025042500571.md): Windshield · cracked · Apr 22, 2025 · N508KZ · Boeing 7474KZF · Flight Compartment Windows > LEFT FRONT WINDSHIELD HAS INNER PANE CRACK.(REMOVED AND REPLACED L1 WINDSHIELD ASSY PER AMM 56-11-01/401 AND AIPC 56-11-01-02A ITEM 25. REMOVED AND REPLACED WINDOW HEAT CONTROL UNIT PER AMM 30-41-01/401, APIC 30-41-01-01E ITEM 20. OPS CHECK NORMAL.
) - [SDR UIEA2024073100763](https://openairdocs.org/sdr/UIEA2024073100763.md): Fairing · delaminated · Aug 6, 2024 · N508KZ · Boeing 7474KZF · Trailing Edge Flaps > LHW I/B FORE FLAP L/E FAIRING FOUND DELAMINATION(PERFORMED PERMANENT REPAIR AS PER SRM 51-70-07 PAR 5A. NO FURTHER DEFECTS NOTED.
) - [SDR UIEA2024073100762](https://openairdocs.org/sdr/UIEA2024073100762.md): Fairing · delaminated · Aug 6, 2024 · N508KZ · Boeing 7474KZF · Trailing Edge Flaps > RHW O/B FORE FLAP MID L/E FAIRING FOUND DELAMINATION(PERFORMED PERMANENT REPAIR AS PER SRM 51-70-07 PAR 5A. NO FURTHER DEFECTS NOTED.
) - [SDR UIEA2024073100761](https://openairdocs.org/sdr/UIEA2024073100761.md): Fairing · delaminated · Aug 6, 2024 · N508KZ · Boeing 7474KZF · Trailing Edge Flaps > RHW I/B FORE FLAP MID L/E FAIRING FOUND DELAMINATION. PERFORMED PERMANENT REPAIR AS PER SRM 51-70-07 PAR 5A. NO FURTHER DEFECTS NOTED. - [SDR UIEA2024072600755](https://openairdocs.org/sdr/UIEA2024072600755.md): Shear Tie · cracked · Aug 6, 2024 · N508KZ · Boeing 7474KZF · Fuselage Internal Mounting Structure > STA 1000 FRONT SPAR SHEAR TIE LBL 57.50 FOUND CRACK(SHEAR TIE REPLACED AS PER ATLAS AIR EO 4453C024 REV.4 PART 5 STEP 2 CONDITION 8 AND RI-53-12-17026 REV.A. NO FURTHER DEFECTS NOTED
) - [SDR UIEA2024072600754](https://openairdocs.org/sdr/UIEA2024072600754.md): Fairing · cracked · Aug 6, 2024 · N508KZ · Boeing 7474KZF · Nacelle/Pylon, Main Frame > #4 ENG NOSE COWL LIP FAIRING AT INNER SIDE 12 O`CLOCK EXTERIOR SURFACE FOUND CRACK(LIP SKIN CRACK AREA REPAIRED AS PER SRM 54-15-01-2R-20 REPAIR 20 FIG 201. NO FURTHER DEFECTS NOTED
) - [SDR UIEA2024072600752](https://openairdocs.org/sdr/UIEA2024072600752.md): Fitting · cracked · Aug 6, 2024 · N508KZ · Boeing 7474KZF · Fuselage Main, Attach Fittings > STA 1000 INTERCOSTAL LUG FITTING LBL 11.33 FOUND CRACK(INTERCOSTAL LUG FITTING REPLACED AS PER ATLAS AIR EO 4453C024 REV 4 PART 3 STEP 3 CONDITION 6. NO FURTHER DEFECTS NOTED
) - [SDR UIEA2024072300730](https://openairdocs.org/sdr/UIEA2024072300730.md): Tension Tie · cracked · Aug 6, 2024 · N508KZ · Boeing 7474KZF · Fuselage Miscellaneous Structure > RH BS 740 UPPER DECK TENSION TIE (4EA) FASTENER HOLES FOUND CRACK AT AFT CHANNEL. TENSION TIE REPAIRED AS PER SRM 53-20-30-2R-1 REPAIR 1 FIG 201 (CAT B) STEEL PLATE REPLACED AS PER RI-53-20-17025 REV.A. NO FURTHER DEFECTS NOTED. - [SDR UIEA2024072300729](https://openairdocs.org/sdr/UIEA2024072300729.md): Tension Tie · cracked · Aug 6, 2024 · N508KZ · Boeing 7474KZF · Fuselage Miscellaneous Structure > RH BS 740 UPPER DECK TENSION TIE 1EA FASTENER HOLE FOUND CRACK AT FRAME. FRAME 1EA CRACK FASTENER HOLE REPAIRED AS PER ATLAS AIR EO 4453A301 REV.12 PART 2 STEP 5F AND STEEL PLATE REPLACED AS PER RI-53-20-17025 REV.A. NO FURTHER DEFECTS NOTED. - [SDR UIEA2024080200778](https://openairdocs.org/sdr/UIEA2024080200778.md): Battery · discharged · Aug 6, 2024 · N508KZ · Boeing 7474KZF · Emergency Lighting > U/D STA 390 WL 380 RBL14 EMER LTS POWER PACK M5168 CAPACITY LOW FOUND DURING DEEP CYCLE TEST. EMER LTS PWR PACK M5168 BATT ASSY REPLACED & TESTED NORMAL AS PER AMM 33-51-04 REV 110 15 MAR 2024. OPS CHECK GOOD. - [SDR UIEA2023111100938](https://openairdocs.org/sdr/UIEA2023111100938.md): Actuator · unknown · Nov 11, 2023 · N508KZ · Boeing 7474KZF · Engine Bleed Air System > ENG 2 ROLL BACK AFTER LANDING(REMOVED AND REPLACED RH AND LH VSV ACTUATOR REF AMM 75-31-02. OPS CHK GOOD.
) - [SDR UIEA2022072600784](https://openairdocs.org/sdr/UIEA2022072600784.md): Structure · cracked · Jul 26, 2022 · N508KZ · Boeing 7474KZF · Fuselage Main, Structure > FOUND DOOR CUTOUT STRUCTURE CRACK AT L5 DOOR STA 2230(1) REMOVED AFFECTED FASTENERS TO GET ACCESS IAW SRM 51-40-02 REV 95. 2) REPAIR DAMAGE AREA IAW SRM 53-60-15-2R-3 REV 95. 3) INSTALL FASTENERS IAW SRM 53-60-15-2R-3 REV 95. 4) JOB COMPLETED AND CONDITION - [SDR UIEA2022072600773](https://openairdocs.org/sdr/UIEA2022072600773.md): Skin · debonded · Jul 26, 2022 · N508KZ · Boeing 7474KZF · Ailerons > DISBOND - SKIN, RH WING INBD AILERON T/E WEDGE OUTBD WBL 515(1) PERFORM THE REPAIR IAW SRM 57-60-01-2R-1, REFER TO SRM 51-70-17-0G-0 REV 95, REFER TO JOB CARD ATTACHING SHEET FOR THE REPAIR PROCESS DETAILS. 2) CONDITION CHECK IS GOOD
) - [SDR UIEA2022072600774](https://openairdocs.org/sdr/UIEA2022072600774.md): Skin · debonded · Jul 26, 2022 · N508KZ · Boeing 7474KZF · Spoilers > DISBOND - RH WING #11 SPOILER UPPER SURFACE T/E DISBOND(1) PERFORM PERMANENT REPAIR AT RH WING #11 SPOILER UPPER SURFACE, REFER TO J/C ATTACHING SHEET 0307861 FOR DETAIL PROCESS, & SRM 57-70-02-2R-1 REV 95, SRM 51-70-10-2R-4 REV 95, & SRM 51-70-10-2R-0 REV - [SDR UIEA2022072600775](https://openairdocs.org/sdr/UIEA2022072600775.md): Skin · debonded · Jul 26, 2022 · N508KZ · Boeing 7474KZF · Spoilers > DISBOND - LH INBD #5 SPOILER UPPER SURFACE DISBOND(1) PERFORM PERMANENT REPAIR AT LH WING #5 SPOILER UPPER SURFACE. REFER TO J/C ATTACHING SHEET 0307862 FOR DETAIL PROCESS, & SRM 57-70-02-2R-1 REV 95, SRM 51-70-10-2R-4 REV 95, & SRM 51-70-10-2R-O REV 95. 2) CO - [SDR UIEA2022072600776](https://openairdocs.org/sdr/UIEA2022072600776.md): Skin · corroded · Jul 26, 2022 · N508KZ · Boeing 7474KZF · Fuselage Main, Attach Fittings > CORROSION - SKIN, KEEL BEAM ASSEMBLY STRUCTURE STA 1259 LBL 6(
1) REMOVE THE AFFECTED FASTENER IAW SRM 51-40-02 REV 95. 2) BLEND OUT THE DAMAGE AREA IAW SRM 51-10-02 REV 95. 3) PERFORM NDT INSPECTION REFER TO JOB CARD ATTACHING SHEET 0324876 & DATA SHEET 714 - [SDR UIEA2022072600777](https://openairdocs.org/sdr/UIEA2022072600777.md): Skin · corroded · Jul 26, 2022 · N508KZ · Boeing 7474KZF · Fuselage Main, Keel > CORROSION - SKIN KEEL BEAM ASSEMBLY STRUCTURE, STA 1390, RBL 6(
1) REMOVE THE AFFECTED FASTENER IAW SRM 51-40-02 REV 95. 2) BLENDED OUT THE DAMAGE AREA IAW SRM 51-10-02 REV 95. 3) PERFORM NDT INSPECTION REFER TO JOB CARD ATTACHING SHEET 0324878 & DATA SHEET - [SDR UIEA2022072600778](https://openairdocs.org/sdr/UIEA2022072600778.md): Skin · corroded · Jul 26, 2022 · N508KZ · Boeing 7474KZF · Fuselage Main, Keel > CORROSION - SKIN, KEEL BEAM ASSEMBLY STRUCTURE, STA 1392, RBL 6(1) REMOVE THE AFFECTED FASTENER IAW SRM 51-40-02 REV 95. 2) BLENDED OUT THE DAMAGE AREA IAW SRM 51-10-02 REV 95. 3) PERFORM NDT INSPECTION REFER TO JOB CARD ATTACHING SHEET 0324879 & DATA SHEET 71 - [SDR UIEA2022072600779](https://openairdocs.org/sdr/UIEA2022072600779.md): Skin · corroded · Jul 26, 2022 · N508KZ · Boeing 7474KZF · Fuselage Main, Keel > CORROSION - SKIN, KEEL BEAM ASSEMBLY STRUCTURE STA 1270, RBL 6(1) REMOVE THE AFFECTED FASTENER IAW SRM 51-40-02 REV 95. 2) BLEND OUT THE DAMAGE AREA IAW SRM 51-10-02 REV 95. 3) PERFORM NDT INSPECTION REFER TO JOB CARD ATTACHING SHEET 0324877 & DATA SHEET 71480 - [SDR UIEA2022072600780](https://openairdocs.org/sdr/UIEA2022072600780.md): Skin · corroded · Jul 26, 2022 · N508KZ · Boeing 7474KZF · Fuselage Main, Keel > CORROSION - SKIN, KEEL BEAM ASSEMBLY STRUCTURE, STA 1398, RBL 6(1) REMOVE THE AFFECTED FASTENER IAW SRM 51-40-02 REV 95. 2) BLENEDED OUT THE DAMAGE AREA IAW SRM 51-10-02 REV 95. 3) PERFORM NDT INSPECTION REFER TO JOB CARD ATTACHING SHEET 0324880 & DATA SHEET 7 - [SDR UIEA2022072600781](https://openairdocs.org/sdr/UIEA2022072600781.md): Pylon · abnormal · Jul 26, 2022 · N508KZ · Boeing 7474KZF · Nacelle/Pylon Structure > DEVIATION FOUND DURING PERFORM SB 747-54A2245 ON BOTH SIDES OF #1 & #4 PYLON(1) ACCOMPLISHED EI T2022A54M-1980 REV 1. 2) CONDITION CHECK NORMAL AND JOB COMPLETED
) - [SDR UIEA2022072600782](https://openairdocs.org/sdr/UIEA2022072600782.md): Intercostal · cracked · Jul 26, 2022 · N508KZ · Boeing 7474KZF · Fuselage Structure (General) > CRACK ON INTERCOSTAL OF AFT CARGO COMPARTMENT FLOOR STRUCTURE AT STA 1590, RBL 27(1) ACCOMPLISHED IAW EI T2022A53M-2058 REV 1 & DWG 65B06061 SH62 REV B & DWG 65B06061 SH 64 REV -. 2) JOB COMPLETED
) - [SDR UIEA2022072600783](https://openairdocs.org/sdr/UIEA2022072600783.md): Intercostal · cracked · Jul 26, 2022 · N508KZ · Boeing 7474KZF · Fuselage Structure (General) > CRACK ON INTERCOSTAL OF AFT CARGO COMPARTMENT FLOOR STRUCTURE AT STA 1590, LBL 27(1) ACCOMPLISHED IAW EI T2022A53M-2059 REV 1 & DWG 65B06061 SH 60 REV - & DWG 65B06061 SH 58 REV B. 2) JOB COMPLETED) - [SDR UIEA2022072600785](https://openairdocs.org/sdr/UIEA2022072600785.md): Stiffener · cracked · Jul 26, 2022 · N508KZ · Boeing 7474KZF · Ailerons > CRACK AND BROKEN DAMAGES ON LH WING FIXED T/E WEB AND STIFFENER NEAR #5 SPOILER AND AT WBL 429.47(1) REMOVED DAMAGE PART IAW SRM 51-40-02 REV 95. 2) ACCOMPLISHED EI T2022A57M-1974 REV 1. 3) INSTALLED NEW PART IAW SRM 51-40-02 REV 95 & DWG 65B10805 SH 2 REV - [SDR UIEA2022072600786](https://openairdocs.org/sdr/UIEA2022072600786.md): Rotary Actuator · failed · Jul 26, 2022 · N508KZ · Boeing 7474KZF · Landing Gear Actuator > FUNCTION FAIL - DUE TO RH BLG ALTERNATE EXTENSION SYSTEM TEST, FOUND THE RH BLG ROTARY ACTUATOR ROTATION ACTION CAN NOT STOP(1) IAW AMM 32-35-01-004-001 REV 104 AND AMM 32-35-01-404-007 REV 104, STEP 3.A TO 3.F (1), REMOVE AND REPLACE RH BLG ROTARY ACTUATOR. 2 - [SDR UIEA2020082501872](https://openairdocs.org/sdr/UIEA2020082501872.md): Fitting · chafed · Aug 21, 2020 · N508KZ · Boeing 7474KZF · Passenger/Crew Doors > FOUND L1 DOOR LATCH FITTING CHAFING AT FWD UPPER IAW AMM 20-51-01-912-008 REV 98 REPLACE L1 DOOR LATCH FITTING AT FWD UPPER. IAW AMM 52-11-01-735-080 REV 9 ADJUST L1 DOOR LATCH AND LATCH FITTING. CONDITION CHECK NORMAL - [SDR UIEA2019080604955](https://openairdocs.org/sdr/UIEA2019080604955.md): Flap Track · corroded · Aug 6, 2019 · N508KZ · Boeing 7474KZF · Trailing Edge Flaps > EVIDENCE OF LIGHT SURFACE RUST ON ALL EIGHT FLAP TRACKS. REMOVE #1 - 8 FLAP TRACK. ACCOMPLISHED #4 AND #5 FLAP TRACK REPAIR IAW EI NO. T2019A57M-3224 REV.1 AND T2019A57M-3225 REV. 1. REFERENCE J/C ATTACHING SHEET NO. 0193461 TO INSTALL # 1, 2, 7, 8 FLAP TRAC - [SDR UIEA2019080604956](https://openairdocs.org/sdr/UIEA2019080604956.md): Case · corroded · Aug 6, 2019 · N508KZ · Boeing 7474KZF · Nacelle/Pylon, Main Frame > CORROSION ON OUTER CASE, NR 2 ENG FAN CASE ON 12 O'CLOCK TO 6 O'CLOCK, 8 O'CLOCK TO 12 O'CLOCK POSITION ON NAC STA 163. ACCOMPLISHED FAN CASE CORROSION REPAIR IAW ENG MANUAL GEK92451 ESM 72-23-01-220-572 REV. 88. JOB COMPLETED AND CONDITION CHECK NORMAL. ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 = 'N508KZ' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N508KZ/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.