# Service difficulty reports: N634NN A list on [N634NN](https://openairdocs.org/aircraft/N634NN.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR VNAA20251216024](https://openairdocs.org/sdr/VNAA20251216024.md): Hinge Fitting · corroded · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Ailerons > CORROSION FOUND ON INTERNAL FACE OF LUGS L1, L2, L3, L4, L5, L6 AND INBOARD LUG AT LH AILERON. FITTING #1 (1EA) AND L3, L4 OF CENTER HINGE FITTING (2EAS) WERE CLEANED PER CRJ 900 SRM 51-26-00-001-001-A01. LUGS BORES L 1, L 2, L5 AND L6 AT AILERON LH WERE REP - [SDR VNAA20251216023](https://openairdocs.org/sdr/VNAA20251216023.md): Hinge Fitting · corroded · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Wing, Control Surface Attach Fittings > CORROSION FOUND ON INTERNAL FACE OF BORE R1, R2, R3, R4, R5, R6, INBOARD AND OUTBOARD(UPPER AND LOWER (9EAS TOTAL). INBOARD AND OUTBOARD(UPPER AND LOWER) WERE CLEANED PER PER CRJ 900 SRM 51-26-00-001-001-A01. R2 & R5 WERE REPAIRED PER REO 670-57-61-237 REV - - [SDR VNAA20251216022](https://openairdocs.org/sdr/VNAA20251216022.md): Canister · cracked · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Wing Main, Frame Structure > CRACK ON CANISTER WELDED NO.3, ON WS148.01 OF INTERNAL RH MAIN FUEL TANK. CRACK ON CANISTER WELDED NO.3, ON WS148.01 OF INTERNAL RH MAIN FUEL TANK WAS REPAIRED PER REO 670-57-42-577 REV - - - [SDR VNAA20251216021](https://openairdocs.org/sdr/VNAA20251216021.md): Rivet · corroded · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage Miscellaneous Structure > CORROSION ON SEVERAL SHOP FORMED HEAD OF RIVETS INSTALLED ON OUTER CHORD AT INTERIOR SIDE OF FS1098.20 BTW STGR 24LH-24RH. RIVETS ON OUTER CHORD AT INTERIOR SIDE OF FS1098.20 BTW STGR 24LH-24RH WERE REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01 - [SDR VNAA20251216020](https://openairdocs.org/sdr/VNAA20251216020.md): Strap · corroded · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage Miscellaneous Structure > CORROSION AT SUPPORT STRUCTURE STRAP BTW FAIRING ACCESS PANEL 193AR TO FAIRING ACCESS PANEL 193AB. EVALUATED PER EXCESSIVE DAMAGE PER CRJ-900 SRM 53-00-00-101-001-A01 AND REPLACED PER CRJ-900 SRM 51-42-10-001-001-A01 AND SRM 51-42-06-001-001-A01 - [SDR VNAA20251216019](https://openairdocs.org/sdr/VNAA20251216019.md): Drag Angle · cracked · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage, Stabilizer Attach Fittings > CRACK ON RIGHT VERTICAL STABILIZER TO FUSELAGE ATTACHMENT FWD/AFT DRAG ANGLES BTW 55.625 % STRG DATUM TO 67.5 % REAR SPAR DATUM (TRACE AT BLO.00). DRAG ANGLE REPAIRED PER CRJ-900 SRM 55-31-00-201-001-A01 - [SDR VNAA20251216018](https://openairdocs.org/sdr/VNAA20251216018.md): Drag Angle · cracked · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage, Stabilizer Attach Fittings > CRACK ON LEFT VERTICAL STABILIZER TO FUSELAGE ATTACHMENT FWD/AFT DRAG ANGLES BTW 55.625 % STRG DATUM TO 67.5 % REAR SPAR DATUM (TRACE AT BL 0). CRACK ON LEFT VERTICAL STABILIZER TO FUSELAGE ATTACHMENT FWD/AFT DRAG ANGLES BTW 55.625 % STRG DATUM TO 67.5 % REA - [SDR VNAA20251216016](https://openairdocs.org/sdr/VNAA20251216016.md): Rib · cracked · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Wing, Rib/Bulkhead > CRACK ON RIB LEADING EDGE SS57.16 WAS FOUND AT LH WING. CRACK ON RIB LEADING EDGE SS57.16 WAS FOUND AT LH WING WAS REPAIRED PER REO 690-57-41-240 REV-. - [SDR VNAA20251216017](https://openairdocs.org/sdr/VNAA20251216017.md): Rib · cracked · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Wing, Rib/Bulkhead > CRACK ON RIB LEADING EDGE SS57.16 WAS FOUND AT RH WING. CRACK ON RIB LEADING EDGE SS57.16 WAS FOUND AT RH WING WAS REPAIRED PER REO 690-57-41-240 REV-. - [SDR VNAA20251216015](https://openairdocs.org/sdr/VNAA20251216015.md): Seat Track · corroded · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach Fittings > WEAR AND CORROSION ON SEAT RAIL LBL27 (4EAS) FROM FS379.00 TO FS693.00AT CABIN PAX. SEAT RAIL (1EA) LBL27 FS 379.00 TO FS 485.00 WAS BLENDED OUT PER CRJ-900 SRM 51-12-00-001-001-A01 AND WAS EVALUATED,FOUND WITHIN LIMITS PER CRJ/900 SRM 53-21-49-101-001-A01, S - [SDR VNAA20251216014](https://openairdocs.org/sdr/VNAA20251216014.md): Seat Track · corroded · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach Fittings > WEAR AND CORROSION ON SEAT RAIL LBL9 (7EAS) FROM FS379.00 TO FS977.00AT CABIN PAX. WEAR AND CORROSION ON SEAT RAIL LBL9 (7EAS) FROM FS379.00 TO FS977.00AT CABIN PAX WERE EVALUATED WITH EXCESSIVE DAMAGE PER CRJ-900 SRM 53-21-49-101-001-A01, SRM 53-31-49-101-0 - [SDR VNAA20251216013](https://openairdocs.org/sdr/VNAA20251216013.md): Seat Track · corroded · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach Fittings > WEAR AND CORROSION ON SEAT RAIL RBL9 (8EAS) FROM FS379.00 TO FS977.00AT CABIN PAX. EVALUATED, DUE TO EXCESSIVE DAMAGE ON SEAT RAIL RBL9 (8EAS) FROM FS379.00 TO FS977.00AT CABIN PAX PER CRJ-900 SRM 53-21-49-101-001-A01, SRM 53-31-49-101-001-A02, SRM 53-41-49- - [SDR VNAA20251216012](https://openairdocs.org/sdr/VNAA20251216012.md): Seat Track · corroded · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach Fittings > WEAR AND CORROSION ON SIDE SEAT RAIL LH (9EAS) FROM FS379.00 TO FS977.00AT LH SIDE. WEAR AND CORROSION ON SIDE SEAT RAIL LT (9EAS) FROM BS 379 TO 977 AT LH SIDE.WAS EVALUATED WITH EXCESSIVE DAMAGE PER CRJ-900 SRM 53-21-49-101-001-A01, SRM 53-31-49-101-001-A - [SDR VNAA20251216011](https://openairdocs.org/sdr/VNAA20251216011.md): Seat Track · corroded · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach Fittings > WEAR AND CORROSION ON SIDE SEAT RAIL RH (10 EAS) FROM FS379.00 TO FS977.00AT RH SIDE. WEAR AND CORROSION ON SIDE SEAT RAIL RH (10 EAS) FROM BS 379 TO 977 AT RH SIDE WAS EVALUATED WITH EXCESSIVE DAMAGE IAW SRM 53-21-49-101-001-A01, SRM 53-31-49-101-001-A02, - [SDR VNAA20251216009](https://openairdocs.org/sdr/VNAA20251216009.md): Fitting · corroded · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage Main, Attach Fittings > CORROSION ON GALLEY FLOOR FITTINGS FS286 RBL17 AND 37, FS295.00 RBL4, FS319.70 RBL5, FS288 LBL20 AND FS329 LBL20 AT CABIN PAX. EVALUATED EXCESSIVE DAMAGE ARE OUT LIMITS IAW SRM 53-00-00-101-001-A01 AND REPLACED IAW SRM 51-42-21-001-001-A01. - [SDR VNAA20251216010](https://openairdocs.org/sdr/VNAA20251216010.md): Doubler · corroded · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage Main, Plate/Skin > CORROSION ON DOUBLER SILL ON SERVICE GALLEY SURROUND STRUCTURE FS319.00 BTW STGR17 TO STGR18 RH SIDE. CORROSION ON DOBLER SILL ON SERVICE GALLEY SURROUND STRUCTURE FS319.00 BTW STGR17 TO STGR18 RH SIDE WAS REMOVED PER CRJ900 SRM 51-21-06-001-001-A01, WAS EVAL - [SDR VNAA20251216008](https://openairdocs.org/sdr/VNAA20251216008.md): Plate · corroded · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage Miscellaneous Structure > CORROSION ON KICKPLATE ON INTERNAL SURROUND STRUCTURE BTW FS 310 TO FS349. EVALUATED, DUE TO EXCESSIVE DAMAGE PER CRJ/900 SRM 53-00-00-101-001-A01 AND REPLACED PER SRM 51-42-06-001-001-A01 - [SDR VNAA202512186007](https://openairdocs.org/sdr/VNAA202512186007.md): Cap · corroded · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage Main, Structure > CORROSION ON MIDCAP ON INTERNAL SURROUND STRUCTURE BTW FS349 TO FS310 ON THE PASSENGER DOOR. EVALUATED, DUE TO EXCESSI•VE DAMAGE ON MIDCAP ON INSTERNAL SURROUND STRUCTURE BTW BS 349 - BS 310 ON THE PASSENGER DOOR IAW SRM 53-00-00-101-001-A01 AND REPLACED IAW - [SDR VNAA202512186006](https://openairdocs.org/sdr/VNAA202512186006.md): Fitting · corroded · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage, Equipment Attach Fittings > CORROSION FLOOR FITTING ACCESS 109 (1EA), BEHIND ACCESS 108 (1EA), IN FRONT ACCESS 107 (1EA) AND FWD CORNER OF AISLE SIDE (1EA) ON GALLEY 1. FLOOR FITTING ACCESS 109 (1EA PN:CDSP2019-7C620), BEHIND ACCESS 108 (1EA PN:CDSP2019-7C620), IN FRONT ACCESS 107 - [SDR VNAA202512186005](https://openairdocs.org/sdr/VNAA202512186005.md): Fitting · corroded · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage, Equipment Attach Fittings > CORROSION FLOOR FITTING UNDER THE WASTE AND AISLE SIDE ON FWD LAVATORY. THE FLOOR FITTINGS WERE REPLACED IAW CMM 25-40-40. - [SDR VNAA202512186004](https://openairdocs.org/sdr/VNAA202512186004.md): Floor Support · cracked · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage Miscellaneous Structure > CRACKED FLOOR SUPPORT, RBL 12, BTW BS 221.73 - 229. THE FLOOR SUPPORT WAS REPAIRED IAW REO 690-53-11-2087, REV -. - [SDR VNAA202512186003](https://openairdocs.org/sdr/VNAA202512186003.md): Web · cracked · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage Miscellaneous Structure > CRACK ON ELECTRICAL BAY FLOOR WEB, RT SIDE. BELOW ADG SUPPORT DOUBLER, BS 193. THE FLOOR WEB WAS REPAIRED IAW REO 670-53-11-509, REV E, & REO 690-53-11-2093, REV -. - [SDR VNAA202512186002](https://openairdocs.org/sdr/VNAA202512186002.md): Floorbeam · cracked · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage Main, Floor Beam > CRACKED CENTER COCKPIT FLOORBEAM, LBL 12, BS 280. THE FLOORBEAM WAS REPAIRED IAW REO 690-53-11-2085, REV-. - [SDR VNAA20251216001](https://openairdocs.org/sdr/VNAA20251216001.md): Skin · dented · Dec 16, 2025 · N634NN · Cndair CL6002D24 · Fuselage Main, Plate/Skin > DENT ON EXTERNAL FUSELAGE SKIN BTW BS 280 - 295 AND S23 - 24L. THE SKIN WAS REPAIRED IAW REO 690-53-21-2060, REV -. - [SDR VNAA2024080511102](https://openairdocs.org/sdr/VNAA2024080511102.md): Warning Message · false activation · Aug 2, 2024 · N634NN · Cndair CL6002D24 · Drag Control System > IB FLT SPLRS CAUTION MSG AND IB SPOILERONS CAUTION MSG IN FLIGHT / RESET PER MIPM SUCCESSFUL. MESSAGES DID NOT REAPPEAR. ## 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 = 'N634NN' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N634NN/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.