# Service difficulty reports: N520DC

A list on [N520DC](https://openairdocs.org/aircraft/N520DC.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 3 · 130 reports

- [SDR VNAA2026092425401](https://openairdocs.org/sdr/VNAA2026092425401.md): Door · gouged · Sep 23, 2026 · N520DC · Cndair CL6002C10 · Nacelle/Pylon Structure
  > RIGHT UPPER COWLING LATCH BEAM GOUGED. PERFORMED REPAIR TO RT THRUST REVERSER LATCH BEAM USING STEPS AND DRAWINGS LISTED IN REO 670-54-22-171, REV A.
- [SDR VNAA2025072211102](https://openairdocs.org/sdr/VNAA2025072211102.md): Skin · punctured · Jul 18, 2025 · N520DC · Cndair CL6002C10 · Fuselage Main, Plate/Skin
  > PUNCTURE DAMAGE FOUND ON AFT FUSELAGE BETWEEN FS1031 AND FS1051 AND STGR 20 AND STGR 21 FOLLOWING SERVICE CART CONTACT / ALL WORK PERFORMED BY CRUCIAL UNDER W/O # 216.1.1. REPAIRED RH SIDE OF FUSELAGE IAW REO # 670-53-61-2526. NO DEFECTS AT THIS TIME.
- [SDR VNAA202307171111](https://openairdocs.org/sdr/VNAA202307171111.md): Unknown · unknown · Jul 13, 2023 · N520DC · Cndair CL6002C10 · Air Distribution System
  > ACRID FUMES WITH PACK OPERATING / PERFORMED OPS TEST OF THE AIR CONDITIONING DISTRIBUTION SYSTEM IAW CRJ700 AMM 21-51-00-710-801-A01. NO SMELLS OR DEFECTS NOTED. THIS CLEARS MEL
- [SDR VNAA202207191111](https://openairdocs.org/sdr/VNAA202207191111.md): Manifold · warning message · Jul 18, 2022 · N520DC · Cndair CL6002C10 · Steering Unit
  > AFTER TAKE-OFF FROM OAJ ON CLIMB AROUND 600-700FT, THE CREW GOT A STEERING INOP INDICATOR MESSAGE. THEY IMMEDIATELY BEGAN COORDINATING WITH OAJ TOWER TO NOTIFY CLT TOWER FOR WHEN THEY WOULD ARRIVE IN CLT. THEY RAN THE QRH. THE CREW DID NOT DECLARE AN EMERGENCY
- [SDR VNAA202207181112](https://openairdocs.org/sdr/VNAA202207181112.md): Skin · dented · Jul 16, 2022 · N520DC · Cndair CL6002C10 · Fuselage Main, Plate/Skin
  > DURING MAINTENANCE OPERATION IN ARLINGTON, VA (DCA), A DENT MEASURING 2.500€?L X 0.500€?W X 0.020€?D WAS IDENTIFIED ON THE FUSELAGE SKIN BETWEEN FS364 €“ FS379 AND STR17L-STR18L. SEE FIGURE 1 FOR DETAILS. / COMPLETED PERMANENT REPAIR OF DENT ON FUSELAGE SK
- [SDR VNAA202206151111](https://openairdocs.org/sdr/VNAA202206151111.md): Pressure Switch · bent · Jun 12, 2022 · N520DC · Cndair CL6002C10 · Steering Unit
  > JUST AFTER TAKEOFF AT FL500 CREW GOT NWS MESSAGE AND THEY CONTINUED TO CLIMB TO FL5000. CREW RAN THE QRH AND DECIDED TO RETURN TO FIELD. CREW DECLARED EMERGENCY AND CREW HELD FOR A WHILE TO BRING THE LANDING WEIGHT DOWN BELOW OVERWEIGHT LANDING. AFTER LANDING
- [SDR VNAA202206061111](https://openairdocs.org/sdr/VNAA202206061111.md): Display · unserviceable · Jun 2, 2022 · N520DC · Cndair CL6002C10 · Air Distribution System
  > BURNING SMELL IN THE COCKPIT AT GATE. FOUND DISPLAY FAN #2 MAKING UNUSUAL NOISE WITH OZONE SMELL ON FLIGHT DECK. SMELL DISSIPATED WHEN FAN #1 SELECTED. PLACED DISPLAY FAN #2 ON MEL 21-24-02+2 CAT C. CBP1-B2 PULLED/COLLARED PER MEL INSTRUCTIONS. REMOVED AND REP
- [SDR VNAA202202151112](https://openairdocs.org/sdr/VNAA202202151112.md): None · none · Feb 11, 2022 · N520DC · Cndair CL6002C10 · Placards and Markings
  > GLOW STRIP ALONG RIGHT SIDE OF GALLEY SERVICE DOOR IS MISSING. INSTALLED REQUIRED PLACARD ON RIGHT SIDE OF SERVICE DOOR IAW CRJ 700 AMM 11-30-03-210-801-PSA.
- [SDR VNAA2022020899925](https://openairdocs.org/sdr/VNAA2022020899925.md): Floorbeam · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > CORROSION AT FLOOR BEAM OF SF349 BETWEEN RBL9 AND RBL18
- [SDR VNAA2022020899924](https://openairdocs.org/sdr/VNAA2022020899924.md): Hinge · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage Main, Attach Fittings
  > CORROSION ON HINGES AND HINGE FITTINGS OF ACCESS DOOR ON ACCESS PANEL 196DR
- [SDR VNAA2022020899923](https://openairdocs.org/sdr/VNAA2022020899923.md): Seat Track · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage Main, Plate/Skin
  > CORROSION AT SEAT RAIL OF LBL9 BETWEEN FS 581 TO FS 693.0+8
- [SDR VNAA2022020899922](https://openairdocs.org/sdr/VNAA2022020899922.md): Seat Track · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage Main, Plate/Skin
  > CORROSION AT SEAT RAIL OF LBL9 BETWEEN FS 501 TO FS 581
- [SDR VNAA2022020899921](https://openairdocs.org/sdr/VNAA2022020899921.md): Seat Track · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage Main, Plate/Skin
  > CORROSION AT SEAT RAIL OF LBL9 BETWEEN FS 377.0 TO FS 501.
- [SDR VNAA2022020899920](https://openairdocs.org/sdr/VNAA2022020899920.md): Post · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > CORROSION ON POST LOWER CORNER OF FS 280 STGR 25 RH OF AT MAIN AVIONICS COMPARTMENT
- [SDR VNAA2022020899919](https://openairdocs.org/sdr/VNAA2022020899919.md): Stringer · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage Main, Plate/Skin
  > CORROSION ON STRINGER 27 IN STA.FS 280 TO FS 295 AT MAIN AVIONICS COMPARTMENT
- [SDR VNAA2022020899918](https://openairdocs.org/sdr/VNAA2022020899918.md): Seat Track · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > CORROSION AT SIDE SEAT RAIL OF STRG 15R BETWEEN FS 379.00 TO FS 485.00
- [SDR VNAA2022020899917](https://openairdocs.org/sdr/VNAA2022020899917.md): Seat Track · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION AT SIDE SEAT RAIL OF STRG 15R BETWEEN FS 485.00 TO FS 565+8
- [SDR VNAA2021020899916](https://openairdocs.org/sdr/VNAA2021020899916.md): Seat Track · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION AT SIDE SEAT RAIL OF STRG 15R BETWEEN FS 581.00 TO FS 677
- [SDR VNAA2022020899915](https://openairdocs.org/sdr/VNAA2022020899915.md): Seat Track · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION AT SIDE SEAT RAIL OF STRG 15L BETWEEN FS 379.00 TO FS 485.00
- [SDR VNAA2022020899914](https://openairdocs.org/sdr/VNAA2022020899914.md): Seat Track · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION AT SIDE SEAT RAIL OF STRG 15R BETWEEN FS 667.00 TO FS 708.00
- [SDR VNAA2022020899913](https://openairdocs.org/sdr/VNAA2022020899913.md): Seat Track · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION AT SIDE SEAT RAIL OF STRG 15R BETWEEN FS 708+4.00 TO FS 761.00
- [SDR VNAA2022020899912](https://openairdocs.org/sdr/VNAA2022020899912.md): Seat Track · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION AT SIDE SEAT RAIL OF STRG 15R BETWEEN FS 785.00 TO FS 863.00
- [SDR VNAA2022020899911](https://openairdocs.org/sdr/VNAA2022020899911.md): Seat Track · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION AT SIDE SEAT RAIL 15R BETWEEN FS 863 TO FS 909+8
- [SDR VNAA2022020899910](https://openairdocs.org/sdr/VNAA2022020899910.md): Seat Track · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION ON SIDE SEAT RAIL AT 15R BETWEEN FS 909+8 TO FS 969
- [SDR VNAA202202089999](https://openairdocs.org/sdr/VNAA202202089999.md): Seat Track · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION AT SIDE SEAT RAIL 15L BETWEEN FS 677+8.00 TO FS 863
- [SDR VNAA202202089998](https://openairdocs.org/sdr/VNAA202202089998.md): Seat Track · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION AT SIDE SEAT RAIL STR 15L BETWEEN FS 863 TO 969
- [SDR VNAA202202089997](https://openairdocs.org/sdr/VNAA202202089997.md): Stringer · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > 23RH STRINGER FS 280 TO FS 379 AT MAIN AVIONICS COMPARTMENT CORRODED BEYOND LIMITS
- [SDR VNAA202202089996](https://openairdocs.org/sdr/VNAA202202089996.md): Stringer Splice · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > STRINGER SPLICE AT 24RH FS 333 CORRODED REQUIRES REPLACEMENT
- [SDR VNAA202202089995](https://openairdocs.org/sdr/VNAA202202089995.md): Stringer Splice · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > STRINGER SPLICE AT 25RH FS 333 CORRODED REQUIRES REPLACEMENT
- [SDR VNAA202202089994](https://openairdocs.org/sdr/VNAA202202089994.md): Stringer · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage Miscellaneous Structure
  > CORROSION ON STR 24R FROM FS 280 TO 333 IN AVIONICS COMPARTMENT
- [SDR VNAA202202089993](https://openairdocs.org/sdr/VNAA202202089993.md): Intercostal · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Passenger/Crew Doors
  > INTERCOSTAL DD1 IN PAX DOOR STRUCTURE HAS CORROSION OUTSIDE OF LIMITS
- [SDR VNAA20220208991](https://openairdocs.org/sdr/VNAA20220208991.md): Support · corroded · Feb 8, 2022 · N520DC · Cndair CL6002C10 · Fuselage Main, Structure
  > INTERNAL. JACK FITTING SUPPORTS BTW FS STA 265 280 HAVE CORROSION OUTSIDE OF LIMITS
- [SDR VNAA202202089992](https://openairdocs.org/sdr/VNAA202202089992.md): Intercostal · corroded · Feb 7, 2022 · N520DC · Cndair CL6002C10 · Passenger/Crew Doors
  > INTERCOASTAL DD5 AT MAIN PASSENGER DOOR STRUCTURE WAS CORRODED BEYOND LIMITS
- [SDR VNAA202105229991](https://openairdocs.org/sdr/VNAA202105229991.md): Rib · cracked · May 19, 2021 · N520DC · Cndair CL6002C10 · Wing, Rib/Bulkhead
  > MACHINED RIB AT LH WING SS57.16 CRACKED
- [SDR VNAA202101261111](https://openairdocs.org/sdr/VNAA202101261111.md): Door · unsecure · Jan 25, 2021 · N520DC · Cndair CL6002C10 · Fixed Inner Doors
  > TAKING OFF RWY 4R IN DTW, THE CREW ABORTED BETWEEN 40-50KTS DUE TO AN UNSECURE FLIGHT DECK DOOR.
- [SDR VNAA2020101311101](https://openairdocs.org/sdr/VNAA2020101311101.md): Battery · failed · Oct 11, 2020 · N520DC · Cndair CL6002C10 · Emergency Lighting
  > EMERGENCY LIGHTS WERE FOUND INOPERABLE DURING MAINTENANCE VISIT. REMOVED AND INSTALLED 3 NEW POWER SUPPLIES. ALSO, REPLACED POWER SUPPLY BATTERY MPN: AD2013-1A, SN: 241112, TSN: 8, CSN: 9, TSO: 9; AND POWER SUPPLY BATTERY MPN: 2013-1A, SN: 504592, TSN: 287,
- [SDR VNAA2019122761101](https://openairdocs.org/sdr/VNAA2019122761101.md): Proximity Sensor · out of limits · Dec 26, 2019 · N520DC · Cndair CL6002C10 · Landing Gear Position and Warning
  > GEAR DISAGREE WARNING MSG ON TAKEOFF. FOUND NLG CENTERING PROX SENSORS PX08 AND PX37 OUT OF LIMITS. ADJUSTED SENSORS IAW CRJ700 AMM. PERFORMED OPS CHECK OF THE LANDING GEAR EXTENSION AND RETRACTION SYSTEM. OPS CHECKS GOOD.
- [SDR VNAA2019080311101](https://openairdocs.org/sdr/VNAA2019080311101.md): Transducer · malfunctioned · Aug 3, 2019 · N520DC · Cndair CL6002C10 · Brake Anti-Skid Section
  > CREW RECEIVED AN ANTI SKID CAUTION MSG IN FLIGHT. THEY DECLARED AN EMERGENCY AND TRUCKS ROLLED. THE FLIGHT LANDED SAFELY AND TAXIED TO THE GATE. SWAPPED LHIB AND LHOB WHEEL SPEED XDUCERS IAW CRJ 700 AMM 32-44-01-000/400-801. OPS TEST GOOD IAW CRJ 700 AMM 32-
- [SDR VNAA2019042421112](https://openairdocs.org/sdr/VNAA2019042421112.md): Pseu · failed · Apr 22, 2019 · N520DC · Cndair CL6002C10 · Landing Gear Retraction/Extension System
  > DURING CLIMB, CREW SELECTED GEAR UP. GEAR DID NOT RETRACT AND CREW RECEIVED GEAR DISAGREE WARNING. CA RAN QRH AS FO FLEW. CREW DECLARED AN EMERGENCY WITH ATC, AND BURNED OFF FUEL BEFORE LANDING. TRUCKS ROLLED, CABIN DID NOT BRACE. CREW LANDED ON RWY 27L W
- [SDR VNAA2019042111101](https://openairdocs.org/sdr/VNAA2019042111101.md): Handle · failed · Apr 21, 2019 · N520DC · Cndair CL6002C10 · Landing Gear Retraction/Extension System
  > GEAR DISAGREE MASTER WARNING UPON GEAR RETRACTION FOLLOWED QRH INSTRUCTIONS MESSAGE CLEARED. DECLARED EMERGENCY AND LANDED WITHOUT INCIDENT. MX DEFERRED LANDING GEAR EXTENSION AND RETRACTION SYSTEM.REMOVED AND REPLACED LANDING GEAR SELECTOR HANDLE IAW CRJ 700
- [SDR VNAA2019012111101](https://openairdocs.org/sdr/VNAA2019012111101.md): O-Ring · missing · Jan 21, 2019 · N520DC · Cndair CL6002C10 · Engine Oil Pressure
  > CREW RECEIVED A RH ENG LOW OIL PRESSURE WARNING MSG AND SHUT DOWN THE ENGINE SHORTLY AFTER TAKE-OFF FROM CLT. MX INSTPECTED AND FOUND THERE TO BE MISSING O-RINGS FROM THE RH ENG ATS. MX INSTALLED NEW O-RINGS AND OPS AND LEACK CHECKED GOOD.
- [SDR SIMA2018110631008](https://openairdocs.org/sdr/SIMA2018110631008.md): Frame · corroded · Jul 31, 2018 · N520DC · Cndair CL6002C10 · Fuselage Main, Frame
  > FRAME AT FS319.70 REQUIRES REMOVAL FOR STRINGER 25 RIGHT AND 26 RIGHT REMOVAL.-C/A-REPAIRED IAW ERS-CR-53MR-3359.
- [SDR SIMA20180730001](https://openairdocs.org/sdr/SIMA20180730001.md): Frame · gouged · Jul 30, 2018 · N520DC · Cndair CL6002C10 · Fuselage Main, Frame
  > FRAME AT FS 1162.00 AND STRINGER 8 LEFT HAS A DEEP GOUGE. C/W FRAME REPAIR AT FS 1162.00 AND STR 8L IAW ERS-CR-53MR-1724.
- [SDR SIMA2018072322003](https://openairdocs.org/sdr/SIMA2018072322003.md): Stringer · corroded · Jul 22, 2018 · N520DC · Cndair CL6002C10 · Fuselage Main, Longeron/Stringer
  > STRINGER 26 RIGHT CORRODED FROM FS280.00-295.00. COMPLETE DRILLED AND INSTALLED NEW STR 26R IAW SRM 51-42-06.
- [SDR SIMA20180718001](https://openairdocs.org/sdr/SIMA20180718001.md): Stringer · corroded · Jul 18, 2018 · N520DC · Cndair CL6002C10 · Fuselage Main, Longeron/Stringer
  > STRINGER 25 RIGHT IS CORRODED BETWEEN FS280.00-295.00. DRILLED AND INSTALLED NEW STRINGER 25 RT IAW SRM 51-42-06.
- [SDR SIMA20180717002](https://openairdocs.org/sdr/SIMA20180717002.md): Stringer · corroded · Jul 17, 2018 · N520DC · Cndair CL6002C10 · Fuselage Main, Longeron/Stringer
  > STRINGER 26 RIGHT IS CORRODED BETWEEN FS333.00-349.00. INSTALLED NEW STR 26R SECTION BETWEEN FS333.00 AND 349.00 IAW SRM 51-42-06.
- [SDR SIMA2018073015005](https://openairdocs.org/sdr/SIMA2018073015005.md): Panel · cracked · Jul 15, 2018 · N520DC · Cndair CL6002C10 · Passenger/Crew Doors
  > PAX DOOR, FWD SIDE PANEL IS CRACKED LOWER MOST CORNER. REPAIRED PAX DOOR FWD STEPSHELL LOWER CORNER IAW SRM 52-10-04.
- [SDR SIMA20180715004](https://openairdocs.org/sdr/SIMA20180715004.md): Skin · cracked · Jul 15, 2018 · N520DC · Cndair CL6002C10 · Passenger/Crew Doors
  > PAX DOOR AFT SIDE SKIN IS CRACKED APPROX 3/8" AT THE FIRST STEP. REPAIRED PAX DOOR AFT STEP-SHELL SKIN AT UPPER STEP IAW SRM 52-11-04.
- [SDR SIMA2018072313008](https://openairdocs.org/sdr/SIMA2018072313008.md): Stringer Splice · corroded · Jul 13, 2018 · N520DC · Cndair CL6002C10 · Fuselage Main, Longeron/Stringer
  > STRINGER SPLICE FOR STRINGER 26RT AT FRAME STATION 333.00 IS CORRODED OUT OF LIMITS. COMPLETE DRILLED INSTALLED NEW STRINGER SPLICE FOR STR.26R IAW SRM 51-52-06.
- [SDR SIMA2018072313007](https://openairdocs.org/sdr/SIMA2018072313007.md): Stringer Splice · corroded · Jul 13, 2018 · N520DC · Cndair CL6002C10 · Fuselage Main, Longeron/Stringer
  > STRINGER SPLICE FOR STRINGER 25RT AT FRAME STATION 333.00 IS CORRODED OUT OF LIMITS. COMPLETE INSTALLED NEW STRINGER SPLICE FOR STR25R IAW SRM 51-42-06.

Next page: https://openairdocs.org/aircraft/N520DC/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 = 'N520DC' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N520DC/reports

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