# Service difficulty reports: N746CK, cancelled Apr 16, 2025 A list on [N746CK, cancelled Apr 16, 2025](https://openairdocs.org/deregistered/N746CK-2025-04-16.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. Page 1 of 2 · 94 reports - [SDR KCSA201503171007](https://openairdocs.org/sdr/KCSA201503171007.md): Light · inoperative · Mar 17, 2015 · N746CK · Boeing 747246F · Emergency Lighting > EMERGENCY LIGHT NEAR UPPER DECK ESCAPE DOOR IS INOPERATIVE. - [SDR KCSA201409091087](https://openairdocs.org/sdr/KCSA201409091087.md): Fireshield · damaged · Sep 9, 2014 · N746CK · Boeing 747246F · Nacelle/Pylon, Main Frame > NR 3 PYLON LT FIRE SHIELD DAMAGED AT NAC STA 234. - [SDR KCSA201409091086](https://openairdocs.org/sdr/KCSA201409091086.md): Fireshield · damaged · Sep 9, 2014 · N746CK · Boeing 747246F · Nacelle/Pylon, Main Frame > NR 1 PYLON LT FIRE SHIELD DAMAGED AT NAC STA 182. - [SDR KCSA201409031085](https://openairdocs.org/sdr/KCSA201409031085.md): Seat Track · corroded · Sep 3, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > BS 480-520 RBL 47, SEAT TRACK CORRODED ON INBD FLANGE. - [SDR KCSA201409031084](https://openairdocs.org/sdr/KCSA201409031084.md): Seat Track · corroded · Sep 3, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > BS 520 - 540, RBL 47, SEAT TRACK CORRODED. - [SDR KCSA201409031083](https://openairdocs.org/sdr/KCSA201409031083.md): Seat Track · corroded · Sep 3, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > BS 480 - 560, RBL 24 SEAT TRACK CROWN CORRODED. - [SDR KCSA201408061081](https://openairdocs.org/sdr/KCSA201408061081.md): Seat Track · corroded · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK SEAT TRACK HAS EVIDENCE OF CORROSION AT APPROXIMATELY BS 480, RBL 35. - [SDR KCSA201408061080](https://openairdocs.org/sdr/KCSA201408061080.md): Seat Track · corroded · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK SEAT TRACK HAS CORROSION AT APPROXIMATELY BS 2175, LBL 11. - [SDR KCSA201408061079](https://openairdocs.org/sdr/KCSA201408061079.md): Seat Track · cracked · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK SEAT TRACK CRACKED AT APPROXIMATELY BS 1870, RBL 12. - [SDR KCSA201408061077](https://openairdocs.org/sdr/KCSA201408061077.md): Seat Track · corroded · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK SEAT TRACK CORRODED AT BS 1660 TO 1620, RBL 12. - [SDR KCSA201408061076](https://openairdocs.org/sdr/KCSA201408061076.md): Seat Track · corroded · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK SEAT TRACK CORRODED AT BS 1630, LBL 12. - [SDR KCSA201408061075](https://openairdocs.org/sdr/KCSA201408061075.md): Seat Track · corroded · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK SEAT TRACK CORRODED AT BS 1670, LBL 12. - [SDR KCSA201408061074](https://openairdocs.org/sdr/KCSA201408061074.md): Stiffener · cracked · Aug 6, 2014 · N746CK · Boeing 747246F · Nacelle/Pylon Miscellaneous Structure > NR 2 PYLON LT ANGLE STIFFENER CRACKED AT NAC STA 221.9 ABOVE UPPER SPAR. - [SDR KCSA201408061073](https://openairdocs.org/sdr/KCSA201408061073.md): Seat Track · corroded · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK SEAT TRACK CORRODED AT BS 2050, RBL 11. - [SDR KCSA201408061072](https://openairdocs.org/sdr/KCSA201408061072.md): Seat Track · corroded · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK SEAT TRACK CORRODED BS 2175, RBL 11. - [SDR KCSA201408061071](https://openairdocs.org/sdr/KCSA201408061071.md): Seat Track · corroded · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK SEAT TRACK CORRODED AT BS 2150, RBL 12. - [SDR KCSA201408061070](https://openairdocs.org/sdr/KCSA201408061070.md): Seat Track · corroded · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK SEAT TRACK CORRODED AT BS 2110, RBL 12. - [SDR KCSA201408061069](https://openairdocs.org/sdr/KCSA201408061069.md): Seat Track · corroded · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK SEAT TRACK CORRODED AT BS 1465, RBL 99. - [SDR KCSA201408061068](https://openairdocs.org/sdr/KCSA201408061068.md): Seat Track · corroded · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK SEAT TRACK CORRODED AT BS 1810, RBL 12. - [SDR KCSA20108061067](https://openairdocs.org/sdr/KCSA20108061067.md): Seat Track · worn · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK SEAT TRACK WORN BS 780 - 800, LBL 12. - [SDR KCSA201407231066](https://openairdocs.org/sdr/KCSA201407231066.md): Seat Track · corroded · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK SEAT TRACK SUPPORT CORRODED AT BS 960 - 980, LBL 12. - [SDR KCSA201407231065](https://openairdocs.org/sdr/KCSA201407231065.md): Seat Track · corroded · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK SEAT TRACK CORRODED AT BS 900 - 920, LBL 12. - [SDR KCSA201407231064](https://openairdocs.org/sdr/KCSA201407231064.md): Seat Track · cracked · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK SEAT TRACK CRACKED AT BS 980 - 1000, LBL 12. - [SDR KCSA201407231063](https://openairdocs.org/sdr/KCSA201407231063.md): Web · corroded · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage Miscellaneous Structure > WEB ON MAIN DECK FLOOR SUPPORT CORRODED BS 840 - 860, LBL 12. - [SDR KCSA201407231062](https://openairdocs.org/sdr/KCSA201407231062.md): Seat Track · corroded · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > SEAT TRACK ON MAIN DECK CORRODED AT BS 800 - 820, RBL 13. - [SDR KCSA201407231061](https://openairdocs.org/sdr/KCSA201407231061.md): Seat Track · corroded · Aug 6, 2014 · N746CK · Boeing 747246F · Fuselage, Seat/Cargo Attach Fittings > SEAT TRACK ON MAIN DECK HAS CORROSION AT BS 1780 - 1800, RBL 13. - [SDR KCSA201404141044](https://openairdocs.org/sdr/KCSA201404141044.md): Structure · cracked · Apr 14, 2014 · N746CK · Boeing 747246F · Fuselage Main, Structure > BS 2598, OTBD CHORD HAS A CRACK IN FASTENER HOLE AT S12R, COMMON TO LOWER FWD SPLICE FITTING. - [SDR KCSA201404141043](https://openairdocs.org/sdr/KCSA201404141043.md): Stringer Splice · cracked · Apr 14, 2014 · N746CK · Boeing 747246F · Fuselage Main, Longeron/Stringer > BS 2598, BULKHEAD FWD SIDE STRINGER SPLICE 11R FITTING HAS A CRACK. - [SDR KCSA201404141042](https://openairdocs.org/sdr/KCSA201404141042.md): Stringer Splice · cracked · Apr 14, 2014 · N746CK · Boeing 747246F · Fuselage Main, Longeron/Stringer > BS 2598 BULKHEAD AFT SIDE S11R SPLICE FITTING HAS CRACK INDICATION. - [SDR KCSA201404141041](https://openairdocs.org/sdr/KCSA201404141041.md): Fireshield · damaged · Apr 14, 2014 · N746CK · Boeing 747246F · Nacelle/Pylon, Main Frame > NR 2 PYLON OTBD LOWER SKIRT FIRESHIELD DAMAGED AT NAC STA 226.5. - [SDR KCSA201404101040](https://openairdocs.org/sdr/KCSA201404101040.md): Skin · damaged · Apr 10, 2014 · N746CK · Boeing 747246F · Nacelle/Pylon, Plate/Skin > NR 2 PYLON OTBD LOWER SKIN DAMAGED AT NAC STA 226.5. - [SDR KCSA201404081039](https://openairdocs.org/sdr/KCSA201404081039.md): Skin · damaged · Apr 8, 2014 · N746CK · Boeing 747246F · Nacelle/Pylon, Plate/Skin > NR 2 PYLON INBD SKIN LOWER SKIRT DAMAGED FROM NAC STA 214-227. - [SDR KCSA201404081038](https://openairdocs.org/sdr/KCSA201404081038.md): Fireshield · damaged · Apr 8, 2014 · N746CK · Boeing 747246F · Nacelle/Pylon, Main Frame > NR 2 PYLON INBD INNER SURFACE, FIRE SHIELD, APPROXIMATELY NAC. STA 223 HAS DAMAGE. - [SDR KCSA201404081037](https://openairdocs.org/sdr/KCSA201404081037.md): Light · inoperative · Apr 8, 2014 · N746CK · Boeing 747246F · Emergency Lighting > UPPER DECK RT AFT EMERGENCY LIGHT INOPERATIVE. - [SDR KCSA201404081036](https://openairdocs.org/sdr/KCSA201404081036.md): Light · inoperative · Apr 8, 2014 · N746CK · Boeing 747246F · Emergency Lighting > UPPER DECK DOME LIGHT, EMERGENCY LIGHT INOPERATIVE. - [SDR KCSA201303280045](https://openairdocs.org/sdr/KCSA201303280045.md): Intercostal · cracked · Mar 28, 2013 · N746CK · Boeing 747246F · Fuselage Miscellaneous Structure > MAIN DECK RIGHT OVERWING INTERCOSTAL LOWER CHORD CRACKED AT BS 1220, RBL 116. - [SDR KCSA201303260044](https://openairdocs.org/sdr/KCSA201303260044.md): Intercostal · cracked · Mar 26, 2013 · N746CK · Boeing 747246F · Fuselage Miscellaneous Structure > MAIN DECK LEFT OVERWING INTERCOSTAL LOWER CHORD CRACKED AT BS 1180, LBL 108. - [SDR KCSA201303260043](https://openairdocs.org/sdr/KCSA201303260043.md): Intercostal · cracked · Mar 26, 2013 · N746CK · Boeing 747246F · Fuselage Miscellaneous Structure > MAIN DECK LEFT OVERWING INTERCOSTAL WEB CRACKED AT BS 1180, LBL 108. - [SDR KCSA201208281186](https://openairdocs.org/sdr/KCSA201208281186.md): Fireshield · damaged · Aug 28, 2012 · N746CK · Boeing 747246F · Nacelle/Pylon, Bulkhead/Firewall > NR 1 PYLON RIGHT LOWER FIRESHIELD DAMAGED AT NAC STA 227.9. - [SDR KCSA111303](https://openairdocs.org/sdr/KCSA111303.md): Fireshield · damaged · Dec 30, 2011 · N746CK · Boeing 747246F · Nacelle/Pylon, Bulkhead/Firewall > NR 3 PYLON FIREWALL SHIELD DAMAGED BETWEEN NAC STA 205 TO 215 LT SIDE. - [SDR KCSA111181](https://openairdocs.org/sdr/KCSA111181.md): Light · inoperative · Jul 29, 2011 · N746CK · Boeing 747246F · Emergency Lighting > UPPER DECK EMERGENCY LIGHT IN CEILING BY ESCAPE DOOR INOP. - [SDR KCSA111180](https://openairdocs.org/sdr/KCSA111180.md): Structure · cracked · Jul 29, 2011 · N746CK · Boeing 747246F · Nacelle/Pylon Miscellaneous Structure > NR 2 PYLON STRUT CHORD HAS CRACK INDICATION IN AFT I/B LEFT HOLE. - [SDR KCSA111179](https://openairdocs.org/sdr/KCSA111179.md): Longeron Splice · corroded · Jul 29, 2011 · N746CK · Boeing 747246F · Fuselage Main, Longeron/Stringer > OVERWING LONGERON SPLICE FITTING (LEFT SIDE OF A/C) AT STA 1372, HAS CORROSION IN THE AFT, LWR HOLE OF THE VERTICLE FLANGE OF THE SPLICE FITTING. - [SDR KCSA111178](https://openairdocs.org/sdr/KCSA111178.md): Light · inoperative · Jul 29, 2011 · N746CK · Boeing 747246F · Emergency Lighting > UPPER DECK ESCAPE DOOR EMERGENCY SLIDE LIGHT INOP. - [SDR KCSA111177](https://openairdocs.org/sdr/KCSA111177.md): Light · inoperative · Jul 29, 2011 · N746CK · Boeing 747246F · Emergency Lighting > UPPER DECK EMERGENCY LIGHT IN CEILING BY ESCAPE DOOR. - [SDR KCSA111173](https://openairdocs.org/sdr/KCSA111173.md): Fitting · cracked · Jul 26, 2011 · N746CK · Boeing 747246F · Fuselage Miscellaneous Structure > FUSELAGE FITTING AT BS 2485, STR 23L CRACKED IN O/B FLANGE. - [SDR KCSA111172](https://openairdocs.org/sdr/KCSA111172.md): Skin Panel · corroded · Jul 22, 2011 · N746CK · Boeing 747246F · Fuselage Main, Plate/Skin > CORROSION BLEND OUT AT STA 2412 STR 23L OUT OF LIMITS. - [SDR KCSA111171](https://openairdocs.org/sdr/KCSA111171.md): Skin Panel · corroded · Jul 22, 2011 · N746CK · Boeing 747246F · Fuselage Main, Plate/Skin > CORROSION BLEND OUT AT STA 2460 STR 24L TO 25L OUT OF LIMITS. - [SDR KCSA111170](https://openairdocs.org/sdr/KCSA111170.md): Skin Panel · corroded · Jul 22, 2011 · N746CK · Boeing 747246F · Fuselage Main, Plate/Skin > CORROSION BLEND OUT AT STA 2484 STR 24L OUT OF LIMITS. - [SDR KCSA111169](https://openairdocs.org/sdr/KCSA111169.md): Strap · corroded · Jul 22, 2011 · N746CK · Boeing 747246F · Fuselage Miscellaneous Structure > CORROSION BLENDOUT AT STATION 2485 STR 23L OUT OF LIMITS. Next page: https://openairdocs.org/deregistered/N746CK-2025-04-16/reports.md?page=2 ## 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 = 'N746CK' AND deregistration_id = 'N746CK-2025-04-16' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N746CK-2025-04-16/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.