# Service difficulty reports: N646NN

A list on [N646NN](https://openairdocs.org/aircraft/N646NN.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

- [SDR VNAA2026081923002](https://openairdocs.org/sdr/VNAA2026081923002.md): Tire · blown · Aug 17, 2026 · N646NN · Cndair CL6002D24 · Tire
  > RIGHT INBD MLG TIRE BLOWN. REMOVED AND INSTALLED RT INBD MLG WHEEL & TIRE ASSY IAW AMM 32-41-01-000/400-801-A01-PSA.
- [SDR VNAA2026051217901](https://openairdocs.org/sdr/VNAA2026051217901.md): Pcb · unserviceable · May 8, 2026 · N646NN · Cndair CL6002D24 · Landing Gear System Wiring
  > GEAR DISAGREE WARNING ON TAKE WITH LDG GEAR LEVER UP. REMOVED AND REPLACED JB-10 PCB-5 IAW AMM 24-05-11-000/400-801-A01. OPS TEST GOOD AT THIS TIME. PERFORMED EXTENSION AND RETRACTION OF NLG AND MLGS IAW AMM 32-30-865-801-A01. CYCLED 10 TIMES AND FAULTS/MSGS
- [SDR VNAA202601280032](https://openairdocs.org/sdr/VNAA202601280032.md): Skin · dented · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Wing, Plate/Skin
  > DENT ON INTERNAL SKIN OF INBD FLAP LOWER SIDE FLS120.00 APPROX AT RH WING. DENT ON INTERNAL SKIN OF INBD FLAP LOWER SIDE FLS120.00 APPROX AT RH WING WAS REPAIRED PER CRJ-900 SRM 57-52-01-201-001-A01."
- [SDR VNAA202601280031](https://openairdocs.org/sdr/VNAA202601280031.md): Floorbeam · cracked · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage Main, Structure
  > CRACK ON FLOOR BEAM RBL 12.0 BTW FS 221.73 TO FS 229.00 AT FWD FUSELAGE INTERNAL STRUCTURE ( FLIGHT COMPARTMENT FLOOR STRUCTURE BELOW WATER LINE 79.50). FLOOR BEAM RBL 12.0 BTW FS 221.73 TO FS 229.00 AT FWD FUSELAGE INTERNAL STRUCTURE ( FLIGHT COMPARTMENT FL
- [SDR VNAA202601280030](https://openairdocs.org/sdr/VNAA202601280030.md): Floorbeam · cracked · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > CRACKED CENTER COCKPIT FLOOR BEAM RBL 12 AT FS280.0 FLOOR INTERNAL SUPPORT STRUCTURE BELOW FLIGHT COMPARTMENT CENTER COCKPIT FLOOR BEAM RBL 12 AT FS280.0 FLOOR INTERNAL SUPPORT STRUCTURE BELOW FLIGHT COMPARTMENT WAS REPAIRED PER REO 690-53-11-2095 REV. -."
- [SDR VNAA202601280029](https://openairdocs.org/sdr/VNAA202601280029.md): Web · cracked · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > CRACK ON FLOOR WEB RH SIDE (BELOW ADG SUPPORT DOUBLER) FS 193 AT FWD EQUIPMENT COMPARTMENT. FLOOR WEB RH SIDE (BELOW ADG SUPPORT DOUBLER) FS 193 AT FWD EQUIPMENT COMPARTMENT WAS REPAIRED PER CRJ-900 SRM 53-11-43-201-001-A01.
- [SDR VNAA202601280028](https://openairdocs.org/sdr/VNAA202601280028.md): Crossbeam · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage Main, Structure
  > IN REFERENECE TO NRC 00129: AFTER REMOVAL OF ANGLE CAP, CORROSION ON LH CROSSBEAM AT FS280 WAS FOUND. LT CROSSBEAM AT FS280 WAS EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-00-00-101-001-A01 AND REPLACED PER CRJ 900 SRM 51-42-21-001-001-A01, SRM 51-42-06-001-00
- [SDR VNAA202601280027](https://openairdocs.org/sdr/VNAA202601280027.md): Clamp · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Wing Miscellaneous Structure
  > CORROSION ON SUPPORTS CLAMPS (4 EAS, TWO PER SIDE) BEHIND ACCESS PANELS; 542AZ AND 642AZ AT LH/RH MLG AREA. SUPPORTS CLAMPS (4 EAS, TWO PER SIDE) BEHIND ACCESS PANELS; 542AZ AND 642AZ AT LH/RH MLG AREA WERE REPLACED REPLACED PER CRJ-900 SRM 51-10-06-001-001-
- [SDR VNAA202601280026](https://openairdocs.org/sdr/VNAA202601280026.md): Angle · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > CORROSION ON ANGLES (2 EAS, ONE PER SIDE) BEHIND ACCESS PANELS; 542AZ AND 642AZ AT LH/RH MLG AREA. ANGLES (2 EAS, ONE PER SIDE) BEHIND ACCESS PANELS; 542AZ AND 642AZ AT LH/RH MLG AREA WERE REPLACED PER CRJ-900 SRM 51-42-21-001-001-A01"
- [SDR VNAA202601280025](https://openairdocs.org/sdr/VNAA202601280025.md): Retainer · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Wing Main, Frame Structure
  > CORROSION ON SEAL RETAINERS OF HINGE FAIRINGS NBR 597AB, 595AB, 586AB, 592AB, 583AB, 695AB, 686AB, 683AB & 683BB OF RH/LH WINGS CORROSION ON SEAL RETAINERS OF FAIRINGS 595AB(2EAS), 586AB(2EAS), 592AB(3EAS), 583AB(4EAS) 695AB(2AES), 686AB(2EAS), 683AB(2EAS) WAS
- [SDR VNAA202601280024](https://openairdocs.org/sdr/VNAA202601280024.md): Fitting · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Passenger/Crew Doors
  > CORROSION ON FITTINGS (2 EAS) BTW FS310.00 TO FS349.00 WL 72.00 ENTRY PASSENGER DOOR AT PAX CABIN. FITTINGS (2 EAS) BTW FS310.00 TO FS349.00 WL 72.00 ENTRY PASSENGER DOOR AT PAX CABIN WERE EVALUATED OUT OF LIMITS PER CRJ-900 SRM 51-10-06-001-001-A01, REPLACE
- [SDR VNAA202601280023](https://openairdocs.org/sdr/VNAA202601280023.md): Strap · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > CORROSION AT SUPPORT STRUCTURE STRAP BTW FAIRING ACCESS PANEL 193AL & 193AR TO FAIRING ACCESS PANEL 193AB. DUE TO EXCESESIVE CORROSION AT SUPPORT STRUCTURE STRAP BTW FAIRING ACCESS PANEL 193AL & 193AR TO FAIRING ACCESS PANEL 193AB WERE REPLACED PER CRJ900 SR
- [SDR VNAA202601280022](https://openairdocs.org/sdr/VNAA202601280022.md): Beam · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage Main, Structure
  > CORROSION ON BEAM SIDE, RIGHT SIDE FROM FS985.00 TO FS1088.20 WL 72.00 AND LEFT SIDE FROM FS1049.00 TO FS1053.00 WL 72.00 AT AFT BAGGAGE-BAY. CORROSION ON BEAM SIDE, RIGHT SIDE FROM FS985.00 TO FS 1015.00 AND FS1069.75 TO FS1088.20 WL 72.00 AND LEFT SIDE FRO
- [SDR VNAA202601280021](https://openairdocs.org/sdr/VNAA202601280021.md): Access Panel · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage Main, Plate/Skin
  > CORROSION ON ACCESS PANELS 542AZ, 622EZ AND 599AB. ACCESS PANEL 542AZ WAS REMOVED PER CRJ 900 SRM 51-21-06-001-001-A01 AND WITHIN LIMITS PER CRJ-900 SRM 53-00-00-101-001-A01. W ACCESS PANEL 599BB WAS VERIFIED ( P/N: 601R13442-7) PER CRJ-900 AIPC 27-15-01. ACC
- [SDR VNAA202601280020](https://openairdocs.org/sdr/VNAA202601280020.md): Retainer · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Wing Main, Frame Structure
  > CORROSION AT LH & RH P-SEAL GANG CHANNELS AND ATTACHED RETAINERS WS10-WS14.5 (NUT CHANNEL, 2 EAS, ONE PER SIDE. LT & RT P-SEAL GANG CHANNELS AND ATTACHED RETAINERS WS10-WS14.5 WERE REPLACED PER CRJ-900 SRM51-41-02-001-001-A01.
- [SDR VNA2026F00001](https://openairdocs.org/sdr/VNA2026F00001.md): Retainer · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Wing Main, Frame Structure
  > CORROSION AT LT & RT P-SEAL GANG CHANNELS AND ATTACHED RETAINERS WS10-WS14.5 (NUT CHANNEL, 2 EAS, ONE PER SIDE. LT & RT P-SEAL GANG CHANNELS AND ATTACHED RETAINERS WS10-WS14.5 WERE REPLACED PER CRJ-900 SRM51-41-02-001-001-A01"
- [SDR VNAA202601280019](https://openairdocs.org/sdr/VNAA202601280019.md): Bonding Jumper · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Wing Main, Frame Structure
  > CORROSION ON AILERON HINGE FITTING ASSEMBLIES ON SETTLEMENTE AREA OF BODING JUMPERS (4E/A) ON LH WING AND (4E/A) ON RH WING ALSO CORROSION ON HARDWARE TO ATTACH THE SAME BONDING JUMPERS. BONDING JUMPERS P/N MS25083-2BB8 (4E/A) ON RH WING AND BONDING JUMPERS
- [SDR VNAA202601280018](https://openairdocs.org/sdr/VNAA202601280018.md): Support · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > CORROSION ON SUPPORTS ON CROSS BEAM ON FS: 208.00 (1 EA) AND FS: 310.00 (2 EAS), ALSO FS: 315.00 (1 EA) RBL 5, FS: 349.00 LBL 19 APPROX. CORROSION ON SUPPORTS ON CROSS BEAM ON FS: 208.00 (1 EA) AND FS: 310.00 (2 EAS), ALSO FS: 315.00 (1 EA) RBL 5, FS: 349.
- [SDR VNAA202601280017](https://openairdocs.org/sdr/VNAA202601280017.md): Seat Track · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION ON LH FLOOR SEAT RAILS LBL9 AS FOLLOW; (4E/A) FROM FS349 TO FS677 AND (2E/A) FROM FS677 TO FS954 AT PAX CABIN. DUE TO EXCESSIVE DAMAGE ON LH FLOOR SEAT RAILS LBL9 AS FOLLOW; (4E/A) FROM FS349 TO FS677 AND (2E/A) FROM FS677 TO FS954 AT PAX CABIN. WE
- [SDR VNAA202601280016](https://openairdocs.org/sdr/VNAA202601280016.md): Seat Track · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION ON INBD RH FLOOR SEAT RAILS RBL9 AS FOLLOW; (4E/A) FROM FS379 TO FS677 AND (2E/A) FROM FS677 TO FS954 AT PAX CABIN. DUE TO EXCESSIVE DAMAGE ON INBD RH FLOOR SEAT RAILS RBL9 AS FOLLOW; (4E/A) FROM FS379 TO FS677 AND (2E/A) FROM FS677 TO FS954 AT PAX
- [SDR VNAA202601280015](https://openairdocs.org/sdr/VNAA202601280015.md): Seat Track · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION ON LH SIDE SEAT RAILS (STGR 15L) AS FOLLOW; (6E/A) FROM FS379 TO FS720, (1E/A) FROM FS744 TO FS761, (1E/A) FROM FS785 TO FS847+5 AND (1E/A) FROM FS847+20 TO FS900 AT PAX CABIN. CORRECTIVE ACTION: SUMMARY: DUE TO EXCESSIVE DAMAGE ON LH SIDE SEAT RAIL
- [SDR VNAA202601280014](https://openairdocs.org/sdr/VNAA202601280014.md): Seat Track · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage, Seat/Cargo Attach Fittings
  > "DISCREPANCY: CORROSION ON RH SIDE SEAT RAILS (STGR 15R) AS FOLLOW; (6E/A) FROM FS379 TO FS720, (1E/A) FROM FS744 TO FS761 AND (1E/A) FROM FS785 TO FS847+5 AT PAX CABIN. CORRECTIVE ACTION: SUMMARY:DUE TO EXCESSIVE DAMAGE ON RH SIDE SEAT RAILS (STGR 15R) AS FO
- [SDR VNAA202601280013](https://openairdocs.org/sdr/VNAA202601280013.md): Web · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > CORROSION ON WEB LBL 12 OF THE BULKHEAD FS280.0 AT PASSENGER COMPARTMENT. DUE EXCESSIVE CORROSION ON WEB LBL 12 OF THE BULKHEAD FS280.0 AT PASSENGER COMPARTMENT WAS REPAIRED PER CRJ 900 SRM 53-11-10-201-004-A01.
- [SDR VNAA202601280012](https://openairdocs.org/sdr/VNAA202601280012.md): Drip Tray · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > CORROSION ON DRIP TRAY AT FS 280.00 LBL 12 APPROX AT PASSENGER COMPARMENT. DUE TO EXCESIVE DAMAGE ON DRIP TRAY AT FS 280.00 LBL 12 APPROX AT PASSENGER COMPARMENT WAS EVA LUATED OUT OF LIMITS PER CRJ 900 SRM 53-00-00-101-001-A01, REPLACED PER CRJ-900 SRM 51-4
- [SDR VNAA202601280011](https://openairdocs.org/sdr/VNAA202601280011.md): Channel · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > CORROSION ON SUPPORT ANGLE, FS280.0 BTW LBL11 TO RBL 11 AT COCKPIT FLOOR STRUCTURE. CORROSION ON SUPPORT ANGLE, FS280.0 BTW LBL11 TO RBL 11 AT COCKPIT FLOOR STRUCTURE WAS EVALUATED OUT OF LIMITS PER CRJ-900 SRM 51-10-06-001-001-A01, REPLACED PER CRJ900 SRM 5
- [SDR VNAA202601280010](https://openairdocs.org/sdr/VNAA202601280010.md): Channel · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > CORROSION ON CHANNEL OF TCAS ANTENNA BTW FS295.0 TO FS310.0 BTW S-26L TO S-26R AT MAIN AVIONCS COMPARTMENT. CHANNEL OF TCAS ANTENNA BTW FS295.0 TO FS310.0 BTW S-26L TO S-26R AT MAIN AVIONCS COMPARTMENT WAS REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01"
- [SDR VNAA202601280009](https://openairdocs.org/sdr/VNAA202601280009.md): Fitting · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage Main, Structure
  > CORROSION ON FITTINGS 2EA BTW FS 349 TO FS 364 AND STRG 25LH TO STGR 27 AT AVIONICS COMPARTMENT DOOR SURROUND STRUCTURE. CORROSION ON FITTING 1EA BTW FS 349 TO FS 364 AND STRG 26LH AT AVIONICS COMPARTMENT DOOR SURROUND STRUCTURE WAS REMOVED PER CRJ 900 SRM 51
- [SDR VNAA202601280008](https://openairdocs.org/sdr/VNAA202601280008.md): Bracket · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > CORROSION ON BRACKET'S MACHINED BTW FS 515 STGR 22LH TO STGR 23LH, FS 515 STGR 26LH TO STGR 27,FS 629 STGR 26LH TO STGR 27,FS 661+8 STGR 22LH TO 23LH AND FS 661+8 STGR 26LH TO STGR 27 AT FWD BAGGAGE COMPARTMENT. BRACKET'S MACHINED BTW FS 515 STGR 22LH TO STG
- [SDR VNAA202601280007](https://openairdocs.org/sdr/VNAA202601280007.md): Hydraulic Line · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Hydraulic System, Main
  > CORROSION ON THE HYDRAULIC LINES AND ELECTRICAL HARNESSES SUPPORTS (3EAS) AT LH MLG WW. HYDRAULIC LINES AND ELECTRICAL HARNESSES SUPPORTS (3EAS) AT LH MLG WHEEL CRJ-900 SRM 51-42-21-001-001-A01, SRM 51-42-06 001-001-A01 AND SRM 51-41-02-001-001-A01.
- [SDR VNAA202601280006](https://openairdocs.org/sdr/VNAA202601280006.md): Skin · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage Main, Plate/Skin
  > CORROSION ON EXTERNAL SKIN OF FUSELAGE ON STGR 16RH BTW FS629.00 & FS645.00, FS661.00+16.00 & FS661.00+32.00 BTW STGR 26RH & STGR 27, FS661.00+16.00 BTW STGR 3RH & STGR 3LH AND FS1015.00 & FS1031.00 BTW STGR 23RH & STGR 24RH. CORROSION ON EXTERNAL SKIN OF FUS
- [SDR VNAA202601280005](https://openairdocs.org/sdr/VNAA202601280005.md): Angle · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > CORROSION ON MIDCAP ANGLE AT DOOR (L1) SURROUND STRUCTURE. MIDCAP ANGLE AT DOOR (L1) SURROUND STRUCTURE WAS REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 AND SRM 51-41-02-001-001-A01.
- [SDR VNA2026F00000](https://openairdocs.org/sdr/VNA2026F00000.md): Angle · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > CORROSION ON MIDCAP ANGLE AT DOOR (L1) SURROUND STRUCTURE. MIDCAP ANGLE AT DOOR (L1) SURROUND STRUCTURE WAS REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 AND SRM 51-41-02-001-001-A01"
- [SDR VNAA202601280004](https://openairdocs.org/sdr/VNAA202601280004.md): Angle · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Passenger/Crew Doors
  > CORROSION ON KICKPLATE ANGLE AT DOOR (L1) SURROUND STRUCTURE. DUE TO EXCESSIVE DAMAGE ON KICKPLATE ANGLE AT DOOR (L1) SURROUND STRUCTURE WAS REPLACED PER CRJ-900 SRM 51-10-06-001-001-A01, SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01.
- [SDR VNAA20260128000](https://openairdocs.org/sdr/VNAA20260128000.md): Hydraulic Line · corroded · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Hydraulic System, Main
  > CORROSION FOUND ON THE THREE HYDRAULIC LINES AND ELECTRICAL HARNESSES SUPPORTS ON RH MLG WHEEL WELL FORWARD SIDE. HYDRAULIC LINES SUPPORTS BRACKETS 3 E/A'S, FS797 (RT MLG WHEEL WELL) WERE REPLACED PER SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 AND SRM
- [SDR VNAA202601280002](https://openairdocs.org/sdr/VNAA202601280002.md): Cowling · damaged · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Nacelle/Pylon, Main Frame
  > TEMPORARY REPAIR TO THE LH LOWER FORWARD CORE COWL INBOARD LOWER Z-DISHING AND FIRE SHIELD THE FOLLOWING TEMPORARY REPAIR IS VALID FOR A MAXIMUM OF 8000 FLIGHT HOURS FROM THE TIME OF INCORPORATION OF THIS REO AT REV -. LEFT LOWER FORWARD CORE COWL INBD LOWER
- [SDR VNAA202601280001](https://openairdocs.org/sdr/VNAA202601280001.md): Hinge Fitting · worn · Jan 28, 2026 · N646NN · Cndair CL6002C10 · Vertical Stabilizer
  > FREE PLAY ON SELF-ALIGN SELF-LUB BEARING PLAIN ON HINGE FITTING NR 2 AND NR 3 AT VERTICAL STABILIZER REAR SPAR MIDDLE SECTION. HINGE FITTING NR 2 AND NR 3 AT VERTICAL STABILIZER REAR SPAR MIDDLE SECTION WERE REPLACED IAW SRM 51-42-21-001-001-A01 AND RIL 2103

## 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 = 'N646NN' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N646NN/reports

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