# Service difficulty reports: N939LR, cancelled May 23, 2025 A list on [N939LR, cancelled May 23, 2025](https://openairdocs.org/deregistered/N939LR-2025-05-23.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 5 · 225 reports - [SDR MASA2021101900070](https://openairdocs.org/sdr/MASA2021101900070.md): Bulb · inoperative · Oct 19, 2021 · N939LR · Cndair CL6002D24 · Emergency Lighting > ROW 13/14 MID LVL EXIT SIGNS MULTI BULBS INOP RELAMPED - [SDR MASA2021090400223](https://openairdocs.org/sdr/MASA2021090400223.md): Light · inoperative · Sep 4, 2021 · N939LR · Cndair CL6002D24 · Emergency Lighting > ROW 21 CEILING EMER FLOODLIGHT INOP. R&R EMER EXIT LIGHT AND OPS CHECK GOOD - [SDR MASA2021082800211](https://openairdocs.org/sdr/MASA2021082800211.md): Wire · broken · Aug 28, 2021 · N939LR · Cndair CL6002D24 · Light System Wiring > FORWARD LH EMERGENCY EXIT FLOOR LIGHT INOP. REPAIRED BROKEN WIRE, OPS CHECK GOOD. - [SDR MASA2021081900200](https://openairdocs.org/sdr/MASA2021081900200.md): Light · inoperative · Aug 18, 2021 · N939LR · Cndair CL6002D24 · Emergency Lighting > ROW 1 CEILING LEVEL EMER FLOOD LT INOP - [SDR MASA20210728311](https://openairdocs.org/sdr/MASA20210728311.md): Rib · damaged · Jul 28, 2021 · N939LR · Cndair CL6002D24 · Wing, Rib/Bulkhead > RIB, WING, RH LEADING EDGE AT SS 58.41 |REPAIRED PER STS EA 83-2021-009 - [SDR MASA20210726303](https://openairdocs.org/sdr/MASA20210726303.md): Bracket · damaged · Jul 25, 2021 · N939LR · Cndair CL6002D24 · Landing Gear Doors > NOSE LANDING GEAR DOOR AND ROLLER BRACKETS DAMAGED |REPAIRED IAW REO 670-32-20-006 MFG PART NUMBER: CC670-33337-1AND CC670-33098-3 - [SDR MASA20210726302](https://openairdocs.org/sdr/MASA20210726302.md): Hinge Box · damaged · Jul 25, 2021 · N939LR · Cndair CL6002D24 · Wing, Control Surface Attach Fittings > LEFT FLAP HINGE BOX ASSY AT WS 178 DAMAGED | REPAIRED IAW MHI RJ REO 690-57-54-031 - [SDR MASA20210723301](https://openairdocs.org/sdr/MASA20210723301.md): Intercostal · damaged · Jul 23, 2021 · N939LR · Cndair CL6002D24 · Fuselage Miscellaneous Structure > INTERCOSTAL BETWEEN FS 1144 AND FS 1162 AT STGR 9R IS GOUGED I CHAFED/ PUNCTURED | REPAIRED IAW STS EA 81-2021-037 - [SDR MASA20210723300](https://openairdocs.org/sdr/MASA20210723300.md): Floorbeam · corroded · Jul 23, 2021 · N939LR · Cndair CL6002D24 · Fuselage Main, Floor Beam > CORROSION ON FLOOR CROSSBEAM AT FS 549.00 LBL 9 REPAIRED IAW STS EA 72-2021-104 - [SDR MASA20210723299](https://openairdocs.org/sdr/MASA20210723299.md): Floor Support · corroded · Jul 23, 2021 · N939LR · Cndair CL6002D24 · Fuselage Miscellaneous Structure > CORROSION ON FLOOR STRUCTURE AT FS 581.0 TO FS 865 ON LBL 9 AND RBL 9 REPAIRED IAW STS EA 79-2021-179 - [SDR MASA20210723298](https://openairdocs.org/sdr/MASA20210723298.md): Seat Track · corroded · Jul 23, 2021 · N939LR · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach Fittings > SEAT TRACK RAIL SUPPORT STRUCTURE AT FS 369.0 TO FS 517.0 AT RBL 9 IS CORRODED | REPAIRED IAW STS EA 79-2021-177 PART/DEFECT LOCATION: FS369 SH690-33406-5.0 TO FS 517.0 AT RBL 9 - [SDR MASA20210723297](https://openairdocs.org/sdr/MASA20210723297.md): Beam · corroded · Jul 23, 2021 · N939LR · Cndair CL6002D24 · Fuselage Main, Structure > CENTER BEAM AND CROSS BEAM, CORRODED AT FS 549.00 RBL 9.0 | REPAIRED IAW EA 72-2021-102 - [SDR MASA20210722293](https://openairdocs.org/sdr/MASA20210722293.md): Floorbeam · corroded · Jul 21, 2021 · N939LR · Cndair CL6002D24 · Fuselage Main, Floor Beam > FS 280 FLOOR CROSS BEAM CAP BETWEEN LBL 12 AND RBL 12 IS CORRODED| REPAIRED PER MHIRJ REO 690-53-11-1337 - [SDR MASA2020081211149](https://openairdocs.org/sdr/MASA2020081211149.md): Lamp · inoperative · Aug 11, 2020 · N939LR · Cndair CL6002D24 · Emergency Lighting > RIGHT AFT OVERWING EXTERIOR EMERGENCY LIGHT INOPERATIVE. REPLACED THE LAMPS. - [SDR MASA2020022400080](https://openairdocs.org/sdr/MASA2020022400080.md): Flashlight · abnormal · Feb 24, 2020 · N939LR · Cndair CL6002D24 · Emergency Equipment > FWD CABIN FLASH LIGHT INOP. REPLACED FLASHLIGHT ASSY - [SDR MASA201912312210](https://openairdocs.org/sdr/MASA201912312210.md): Light · inoperative · Dec 29, 2019 · N939LR · Cndair CL6002D24 · Emergency Lighting > ROW 18 CEILING EMERGENCY FLOOD LIGHT INOPERATIVE. - [SDR MASA2019110612126](https://openairdocs.org/sdr/MASA2019110612126.md): Smoke Goggles · broken · Nov 6, 2019 · N939LR · Cndair CL6002D24 · Emergency Equipment > OBSERVER'S SMOKE GOGGLES BROKEN REPLACED SMOKE GOGGLES - [SDR MASA2019092412056](https://openairdocs.org/sdr/MASA2019092412056.md): Flashlight · inoperative · Sep 24, 2019 · N939LR · Cndair CL6002D24 · Emergency Equipment > FWD FA FLASHLIGHT NOT FLASHING. PLACED ON MEL. - [SDR MASA2019060111886](https://openairdocs.org/sdr/MASA2019060111886.md): Flashlight · inoperative · Jun 1, 2019 · N939LR · Cndair CL6002D24 · Emergency Equipment > FWD FA FLASHLIGHT INOP PLACED ON MEL - [SDR MASA2018100411425](https://openairdocs.org/sdr/MASA2018100411425.md): Battery Pack · discharged · Oct 4, 2018 · N939LR · Cndair CL6002D24 · Emergency Equipment > AFT FA FLASHLIGHT INOP. REPLACED BATTERY. - [SDR MASA2018071213405](https://openairdocs.org/sdr/MASA2018071213405.md): Battery Pack · discharged · Jul 12, 2018 · N939LR · Cndair CL6002D24 · Emergency Lighting > O/H EMER LIGHT ROW 21 INOP. REPLACED EMER BATTERY PACK NR 5. - [SDR MASA2018071213404](https://openairdocs.org/sdr/MASA2018071213404.md): Battery Pack · discharged · Jul 12, 2018 · N939LR · Cndair CL6002D24 · Emergency Lighting > O/H EMER LIGHT ROW 15 INOP. REPLACED EMER BATTERY PACK NR 5. - [SDR MASA2018071213403](https://openairdocs.org/sdr/MASA2018071213403.md): Battery Pack · discharged · Jul 12, 2018 · N939LR · Cndair CL6002D24 · Emergency Lighting > O/H EMER LIGHT ROW 18 INOP. REPLACED EMER BATTERY PACK NR 5. - [SDR MASA2018052813263](https://openairdocs.org/sdr/MASA2018052813263.md): Battery · discharged · May 28, 2018 · N939LR · Cndair CL6002D24 · Emergency Equipment > FWD FA FLASHLIGHT INOP. REPLACED BATTERY. - [SDR MASA2018040813120](https://openairdocs.org/sdr/MASA2018040813120.md): Light · inoperative · Apr 8, 2018 · N939LR · Cndair CL6002D24 · Emergency Lighting > ROW 19 EMER FLOOD LIGHT INOP. PLACED ON MEL. - [SDR MASA2017112012780](https://openairdocs.org/sdr/MASA2017112012780.md): Light · inoperative · Nov 20, 2017 · N939LR · Cndair CL6002D24 · Emergency Lighting > 14AC LOWER EXIT SIGN 1 BULB INOP. MX REPLACED BULB. - [SDR MASA2017111712769](https://openairdocs.org/sdr/MASA2017111712769.md): Flashlight · inoperative · Nov 17, 2017 · N939LR · Cndair CL6002D24 · Emergency Equipment > FWD FA FLASHLIGHT INOP. PLACED ON MEL. - [SDR MASA2017092512662](https://openairdocs.org/sdr/MASA2017092512662.md): Warning System · activated · Sep 25, 2017 · N939LR · Cndair CL6002D24 · Pneumatic Indicating System > DIVERTED DECLARED EMERGENCY RT BLEED DUCT WARNING. PLACED RIGHT PACK ON MEL. - [SDR MASA2017092112650](https://openairdocs.org/sdr/MASA2017092112650.md): Flashlight · inoperative · Sep 21, 2017 · N939LR · Cndair CL6002D24 · Emergency Equipment > FWD FA 1 FLASHLIGHT RED LED NOT FLASHING. PLACED ON MEL. - [SDR MASA2017082112562](https://openairdocs.org/sdr/MASA2017082112562.md): Battery Pack · inoperative · Aug 21, 2017 · N939LR · Cndair CL6002D24 · Emergency Equipment > CAPTAIN`S FLASHLIGHT INOPERATIVE. REPLACED THE BATTERY. - [SDR MASA2017070912452](https://openairdocs.org/sdr/MASA2017070912452.md): Dampener · malfunctioned · Jul 9, 2017 · N939LR · Cndair CL6002D24 · Rudder Control System > UNCOMMANDED RIGHT RUDDER DEFLECTION. R & R THE YAW DAMPENER CONTROL PANEL - [SDR MASA2017070312432](https://openairdocs.org/sdr/MASA2017070312432.md): Light · inoperative · Jul 3, 2017 · N939LR · Cndair CL6002D24 · Emergency Lighting > CABIN FLOOR LEVEL EMER LIGHT PAX DOOR INOP. RELAMPED. - [SDR WVER2017052500031](https://openairdocs.org/sdr/WVER2017052500031.md): Skin · gouged · May 25, 2017 · N939LR · Cndair CL6002D24 · Fuselage Main, Plate/Skin > AFT CARGO DOOR CUTOUT LOWER SKIN GOUGED AND CORRODED IN NUMEROUS LOCATIONS, BS 1015 - 1047, STRINGERS 16L - 19L - [SDR WVER2017052500030](https://openairdocs.org/sdr/WVER2017052500030.md): Seat Track · corroded · May 25, 2017 · N939LR · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach Fittings > RT SIDEWALL SEAT TRACK, BS 785.15 - 847 +16 CORRODED BEYOND REPAIRABLE LIMITS. - [SDR WVER2017052427](https://openairdocs.org/sdr/WVER2017052427.md): Seat Track · corroded · May 25, 2017 · N939LR · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach Fittings > RT SIDE WALL SEAT TRACKS CORRODED BEYOND REPAIRABLE LIMITS. - [SDR WVER2017052429](https://openairdocs.org/sdr/WVER2017052429.md): Frame · corroded · May 24, 2017 · N939LR · Cndair CL6002D24 · Fuselage Main, Frame > LOWER FUSELAGE FRAME SECTOR AT FS 333.00, STGR 26R-27, CORRODED. - [SDR WVER2017052428](https://openairdocs.org/sdr/WVER2017052428.md): Seat Track · corroded · May 24, 2017 · N939LR · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach Fittings > LEFT HAND FLOOR SEAT TRACK, FS 581.00 - 661.00+32 CORRODED BEYOND REPAIRABLE LIMITS. - [SDR WVER2017052226](https://openairdocs.org/sdr/WVER2017052226.md): Hinge · gouged · May 22, 2017 · N939LR · Cndair CL6002D24 · Fuselage, Door Hinge > PASSENGER DOOR HINGE FUSELAGE SIDE LAST AFT LANDING IS GOUGED FROM ROLL PIN. - [SDR WVER2017052225](https://openairdocs.org/sdr/WVER2017052225.md): Striker · corroded · May 22, 2017 · N939LR · Cndair CL6002D24 · Fuselage Miscellaneous Structure > SERVICE DOOR LOWER SEAL STRIKER CORRODED AROUND FASTENER HOLES FOR SERVICE DOOR THRESHOLD. - [SDR WVER2017052125](https://openairdocs.org/sdr/WVER2017052125.md): Striker · corroded · May 22, 2017 · N939LR · Cndair CL6002D24 · Fuselage Miscellaneous Structure > SERVICE DOOR LOWER SEAL STRIKER CORRODED AROUND FASTENER HOLES FOR SERVICE DOOR THRESHOLD. - [SDR WVER2017052293924](https://openairdocs.org/sdr/WVER2017052293924.md): Longeron · corroded · May 22, 2017 · N939LR · Cndair CL6002D24 · Fuselage Main, Longeron/Stringer > LONGERON 25R BETWEEN BS.333 AND 364 IS CORRODED. - [SDR WVER2017052123](https://openairdocs.org/sdr/WVER2017052123.md): Seat Track · corroded · May 21, 2017 · N939LR · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach Fittings > RT WALL SEAT TRACK CORRODED IN MULTIPLE LOCATIONS FROM FS 847.00+16 TO FS 865.00. - [SDR WVER2017051821](https://openairdocs.org/sdr/WVER2017051821.md): Seat Track · corroded · May 19, 2017 · N939LR · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach Fittings > LT FLOOR SEAT TRACK CORRODED AT LBL 9.0 BETWEEN FS 661.00+32 AND FS 677.00. - [SDR WVER2017051720](https://openairdocs.org/sdr/WVER2017051720.md): Angle · corroded · May 17, 2017 · N939LR · Cndair CL6002D24 · Fuselage Miscellaneous Structure > SERVICE DOOR SILL LOWER MOUNTING ANGLE CORRODED IN SEVERAL AREAS. - [SDR WVER201705179001](https://openairdocs.org/sdr/WVER201705179001.md): Seat Track · corroded · May 17, 2017 · N939LR · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach Fittings > SEAT TRACK CORRODED FROM BS 677 - 693, RBL 18. REPAIRED IAW REO 670-53-00-343, REV M, AND REO 670-53-00-074, REV A. - [SDR WVER2017051700018](https://openairdocs.org/sdr/WVER2017051700018.md): Seat Track · corroded · May 17, 2017 · N939LR · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach Fittings > SEAT TRACK CORRODED, BS 533 - 581, LBL 18. REPAIRED IAW REO 670-53-00-343, REV M. - [SDR WVER2017051500014](https://openairdocs.org/sdr/WVER2017051500014.md): Seat Track · corroded · May 15, 2017 · N939LR · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach Fittings > RIGHT WALL SEAT TRACK CORRODED AT MULTIPLE LOCATIONS FROM BS 485 - 581. - [SDR WVER2017051500013](https://openairdocs.org/sdr/WVER2017051500013.md): Seat Track · corroded · May 15, 2017 · N939LR · Cndair CL6002D24 · Fuselage Structure (General) > RIGHT SEAT TRACK CORRODED AT MULTIPLE LOCATIONS FROM FS 661+32 TO 677. - [SDR WVER2017051206](https://openairdocs.org/sdr/WVER2017051206.md): Frame · corroded · May 12, 2017 · N939LR · Cndair CL6002D24 · Fuselage Main, Frame > FRAME SECTOR, FS319.70, STG 26R - STR 26L, CORRODED BEYOND REPAIRABLE LIMITS. REPLACED FRAME SECTOR IAW REO 670-53-21-799, REV -A, DATED 2016-11-27. - [SDR WVER2017051105](https://openairdocs.org/sdr/WVER2017051105.md): Stringer · corroded · May 12, 2017 · N939LR · Cndair CL6002D24 · Fuselage Main, Longeron/Stringer > STRINGER 26R CORRODED BEYOND REPAIRABLE LIMITS, FS280.00 - FS310.00 Next page: https://openairdocs.org/deregistered/N939LR-2025-05-23/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 = 'N939LR' AND deregistration_id = 'N939LR-2025-05-23' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N939LR-2025-05-23/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.