# Service difficulty reports: N549NN

A list on [N549NN](https://openairdocs.org/aircraft/N549NN.md).

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

- [SDR VNAA2026032414803](https://openairdocs.org/sdr/VNAA2026032414803.md): Engine · vibration · Mar 22, 2026 · N549NN · Cndair CL6002D24 · Engine (Turbine/Turboprop)
  > N1 VIB AT 1.7 IN FLT, QRH C/W. VIBE REACHED 2.4 ON #2 ENG. / DURING BLADE SHAKE FOUND RH FWD SPINNER TO NOT BE COMPLETELY CLOCKED. RE-CLOCKED FWD SPINNER IAW CRJ 900 AMM 72-21-02-400-801-A01-PSA. PERFORMED BLADE SHAKE IAW CRJ 900 AMM 72-21-02-200-803-A01-PSA W
- [SDR VNAA2026021812503](https://openairdocs.org/sdr/VNAA2026021812503.md): Fadec · faulted · Feb 17, 2026 · N549NN · Cndair CL6002D24 · Engine Fuel and Control
  > LEFT FADEC CAUTION IN FLIGHT / INTERROGATED MDC DURING ENGINE RUN FOUND MULTIPLE CURRENT FAULTS B1 CODES 006573, 153527, 153474. ALL FIMS LISTED LH FADEC AS PROBABLE SUSPECT. REMOVED AND REPLACED LH FADEC IAW CRJ900 AMM 73-21-01-000/400-801. OPS CHECK GOOD, BI
- [SDR VNAA2025112411101](https://openairdocs.org/sdr/VNAA2025112411101.md): Smoke Warning · no discrepancy · Nov 23, 2025 · N549NN · Cndair CL6002D24 · Smoke Detection
  > SMOKE AFT LAV WARNING MSG CAME ON APPX. 20SEC. ON FINAL / CONFIRMED PASSENGER SMOKING IN AFT LAV.
- [SDR VNAA2024091011101](https://openairdocs.org/sdr/VNAA2024091011101.md): Strut · failed · Sep 8, 2024 · N549NN · Cndair CL6002D24 · Nose/Tail Landing Gear Strut/Axle
  > DURING TAKE OFF THE CREW RECEIVED A NOSE GEAR DISAGREE AND RETURNED TO CLT. / REPACKED NLG SHOCK STRUT IAW CRJ 900 AMM 32-21-40-960-803-A01-PSA. PERFORMED SERVICING OF NLG STRUT IAW CRJ 900 AMM 32-21-00-840-802. OPS CHECK GOOD. NO FURTHER FAULT NOTED.
- [SDR VNAA20240908008](https://openairdocs.org/sdr/VNAA20240908008.md): Canister · cracked · Aug 23, 2024 · N549NN · Bombdr CL6002D15 · Wing Main, Frame Structure
  > CRACK IN CANISTER, WELDED NO.3 IN STA. WS148 OF INTERNAL LH MAIN FUEL TANK. CANISTER, WELDED NO.3 IN STA. WS148 OF INTERNAL LH MAIN FUEL TANK WAS REPAIRED PER REO 670-57-42-577. REV.- -
- [SDR VNAA20240908007](https://openairdocs.org/sdr/VNAA20240908007.md): Canister · cracked · Aug 23, 2024 · N549NN · Bombdr CL6002D15 · Wing Main, Frame Structure
  > CRACK IN CANISTER, WELDED NO.3 IN STA. WS148 OF INTERNAL RH MAIN FUEL TANK. CANISTER, WELDED NO.3 IN STA. WS148 OF INTERNAL RH MAIN FUEL TANK WAS REPAIRED PER REO 670-57-42-577. REV.--
- [SDR VNAA20240908006](https://openairdocs.org/sdr/VNAA20240908006.md): Mount · corroded · Aug 23, 2024 · N549NN · Bombdr CL6002D15 · Fuselage Miscellaneous Structure
  > CORROSION ON ANGLE MOUNTING CORNER OF THE FS319.70, ON GALLEY SERVICE DOOR AREA. CORROSION ON ANGLE MOUNTING CORNER OF THE FS319.70, ON GALLEY SERVICE DOOR AREA WAS REMOVED PER CRJ-900 SRM 51-21-06-001-001-A01, EVALUATED IS OUT LIMITS PER CRJ 900 SRM 53-21-
- [SDR VNAA20240908002](https://openairdocs.org/sdr/VNAA20240908002.md): Floorbeam · corroded · Aug 23, 2024 · N549NN · Bombdr CL6002D15 · Fuselage Main, Floor Beam
  > AFTER ANGLE REMOVAL, CORROSION AT LH FLOOR BEAM FS 280.00 AT COCKPIT CABIN FLOOR. DUE EXCESSIVE CORROSION ON LH CROSSBEAM FS280 AT COCKPIT CABIN FLOOR WAS FOUND OF OUT LIMITS PER CRJ-900 SRM 53-00-01-101-001-A01 THEREFORE WAS REPLACED PER CRJ-900 SRM 51-42-06
- [SDR VNAA20240908011](https://openairdocs.org/sdr/VNAA20240908011.md): Fitting · corroded · Aug 21, 2024 · N549NN · Bombdr CL6002D15 · Fuselage Main, Attach Fittings
  > AFTER INTERCOSTALS REMOVAL, FOUND CORROSION ON FLOOR FITTINGS LOCATED BTW FS280 / FS295 AND RBL37'',LBL37'' AND LBL15''. FLOOR FITTINGS LOCATED BTW FS280 / FS295 AND RBL37'',LBL37'' AND LBL15'' DUE TO EXCESIVE DAMAGE WERE REPLACED PER CRJ900 SRM 53-21-43-101
- [SDR VNAA20240908009](https://openairdocs.org/sdr/VNAA20240908009.md): Hinge Fitting · excess play · Aug 20, 2024 · N549NN · Bombdr CL6002D15 · Vertical Stabilizer
  > FREE PLAY ON SELF-ALIGN SELF-LUB BEARING PLAIN ON HINGE FITTING NO. 2 AND NO. 3 AT VERTICAL STABILIZER REAR SPAR MIDDLE SECTION. HINGE FITTING NO. 2 AND NO. 3 AT VERTICAL STABILIZER REAR SPAR MIDDLE SECTION WERE REPLACED PER RIL #2103 REV. B.
- [SDR VNAA20240908001](https://openairdocs.org/sdr/VNAA20240908001.md): Fitting · corroded · Aug 19, 2024 · N549NN · Bombdr CL6002D15 · Fuselage Miscellaneous Structure
  > WORK SHOP INTERIOR (ATA 25) SHEET METAL: CORROSION ON FITTING (1EA) BELOW THE SERVICE TABLE AT FWD LAV. FITTING PN: A414252-3 (1EA) BELOW THE SERVICE TABLE AT FWD LAV WAS FABRICATED AND INSTALLED PER EA NO: A1-690-25-00284 REV. A, DATE: 2024-08-26 SECTION
- [SDR VNAA20240908010](https://openairdocs.org/sdr/VNAA20240908010.md): Hinge · corroded · Aug 1, 2024 · N549NN · Bombdr CL6002D15 · Wing, Attach Fittings
  > CORROSION WAS FOUND ON CENTER FITTING BORE LUG L1 & L2 AT LH AILERON. CENTER FITTING BORE LUG L1 & L2 AT LH AILERON WERE REPAIRED PER REO 670-57-61-237 REV--
- [SDR VNAA20240908005](https://openairdocs.org/sdr/VNAA20240908005.md): Floor Support · corroded · Jul 30, 2024 · N549NN · Bombdr CL6002D15 · Fuselage Miscellaneous Structure
  > CORROSION ABOVE FLOOR SILL RH, BETWEEN FS280.00 TO FS282.86 AND STGR 17R. CORROSION ABOVE FLOOR SILL RH, BETWEEN FS280.00 TO FS282.86 AND STGR 17R WAS REMOVED PER CRJ-900 SRM 51-21-06-001-001-A01, EVALUATED, THEREFORE IS OUT OF LIMITS PER CRJ-900 SRM 53-00-45
- [SDR VNAA20240908004](https://openairdocs.org/sdr/VNAA20240908004.md): Seat Track · corroded · Jul 29, 2024 · N549NN · Bombdr CL6002D15 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION ON SEAT RAILS LBL9 (02 SEGMENTS) BTW FS 661.00+32 TO FS 670.00 AT PASSENGER CABIN. SEAT RAILS LBL9 (02 SEGMENTS) BTW FS 661.00+32 TO FS 670.00 AT PASSENGER CABIN ARE OUT OFF LIMITS PER CRJ-900 SRM 53-31-49-101-001-A02 AND WERE REPLACED PER CRJ900 A
- [SDR VNAA20240908003](https://openairdocs.org/sdr/VNAA20240908003.md): Seat Track · corroded · Jul 29, 2024 · N549NN · Bombdr CL6002D15 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION ON SEAT RAILS RBL9 (03 SEGMENTS) BTW FS 581.00 TO FS 670.00 AT PASSENGER CABIN. SEAT RAILS RBL9 (03 SEGMENTS) BTW FS 581.00 TO FS 670.00 AT PASSENGER CABIN ARE OUT OFF LIMITS PER CRJ-900 SRM 53-31-49-101-001-A02 AND WERE REPLACED PER CRJ900 AMM 53-
- [SDR VNAA202307010001](https://openairdocs.org/sdr/VNAA202307010001.md): Stiffener · cracked · Jun 30, 2023 · N549NN · Cndair CL6002D24 · Doors
  > PAX DOOR DIFFICULT TO OPEN AND CLOSE.
- [SDR VNAA202302131112](https://openairdocs.org/sdr/VNAA202302131112.md): None · cracked · Feb 10, 2023 · N549NN · Cndair CL6002D24 · Flight Compartment Windows
  > FO'S WINDSHIELD HEAT ARCED AND WINDSHIELD CRACKED / REMOVED WINDSHIELD IAW CRJ 900 AMM 56-11-01-000-801-A01-PSA. REPAIRED DETACHED NUT PLATE IAW CRJ 900 SRM 51-45-00-001-001. INSTALLED RH WINDSHIELD IAW CRJ 900 AMM 56-11-01-400-801-PSA. OPS AND LEAK CHECK GOOD
- [SDR VNAA202105069992](https://openairdocs.org/sdr/VNAA202105069992.md): Rib · cracked · May 2, 2021 · N549NN · Cndair CL6002D24 · Wing, Rib/Bulkhead
  > RIGHT HAND INBOARD FIXED LEADING EDGE MACHINED RIB CRACKED.
- [SDR VNAA202105069991](https://openairdocs.org/sdr/VNAA202105069991.md): Bracket · cracked · May 2, 2021 · N549NN · Cndair CL6002D24 · Service Doors
  > GALLEY SERVICE DOOR UPPER STABILIZER-BAR BRACKET CRACKED AT ATTACHMENT POINT
- [SDR VNAA202102161112](https://openairdocs.org/sdr/VNAA202102161112.md): Probe · damaged · Feb 12, 2021 · N549NN · Cndair CL6002D24 · Landing Gear Brake System
  > #2 BRAKE TEMP MASTER WARNING ON T/O ROLL INDICATING 20,RTO WARNING RE-OCCURRED DURING TAXI IN. FOUND LH IB BRAKE TEMPERATURE SENSOR TO BE PHYSICALLY DAMAGED. REMOVED AND REPLACED SENSOR IAW CRJ900 AMM 32-46-01-000/400-801. OPS CHECK OF BRAKE TEMPERATURE MONITO
- [SDR VNAA2020013181102](https://openairdocs.org/sdr/VNAA2020013181102.md): Windshield · cracked · Jan 28, 2020 · N549NN · Cndair CL6002D24 · Flight Compartment Windows
  > CAPTAINS SIDE FRONT WINDSHIELD CRACKED - AT 35,000 FT CA NOTICE CRACK FORMING ON HIS WIND SHIELD.THEY DESCENDED DOWN TO 10,000 FT AND DECLARED EMERGENCY AND DIVERTED TO SDF AS NEAREST SUITABLE. TRUCKS ROLLED AND AIRCRAFT TAXIED TO GATE WITH NO ISSUES. MX REM
- [SDR VNAA2019102321103](https://openairdocs.org/sdr/VNAA2019102321103.md): Flange · malfunctioned · Oct 22, 2019 · N549NN · Cndair CL6002D24 · AC Generation System
  > DURING OVERNIGHT MX IT WAS FOUND THAT THE AIR DRIVEN GENERATOR WOULD NOT LOCK IN DEPLOYED POSITION. MX FOUND SEVERAL MISSING WASHERS. MX REPLACED THE WASHERS AND ADJUSTED THE DOWNLOCK FLANG AND GROUND FLANGE CLEARANCE AND OPERATIONS CHECK IT GOOD.
- [SDR VNAA2018113011102](https://openairdocs.org/sdr/VNAA2018113011102.md): Warning System · false activation · Nov 30, 2018 · N549NN · Cndair CL6002D24 · Landing Gear Steering System
  > DURING DECENT, THE CREW RECEIVED A NOSE WHEEL STEERING INOP MESSAGE AND DECLARED AN EMERGENCY. THE TRUCKS ROLLED. THE AIRCRAFT LANDED SAFELY. MAINTENANCE WAS ABLE TO CLEAR THE MESSAGE AND THE AIRCRAFT TAXIED TO THE GATE. PERFORMED SYSTEM RESET WITH THE CREW. T
- [SDR VNAA2018100111101](https://openairdocs.org/sdr/VNAA2018100111101.md): Unknown · odor · Oct 1, 2018 · N549NN · Cndair CL6002D24 · Air Distribution System
  > SHORTLY AFTER TAKEOFF, THE CREW EXPERIENCED FUMES IN THE FLIGHT DECK AND CABIN AND DECLARED AN EMERGENCY RETURNING TO THE FIELD. MAINTENANCE COMPLIED WITH ENGINE RUNS AND NO DEFECTS WERE NOTED. THIS AIRCRAFT HAD BOTH ENGINES COMPRESSOR'S WASHED BEFORE THE SCHE
- [SDR VNAA2018090599902](https://openairdocs.org/sdr/VNAA2018090599902.md): Seat Track · corroded · Sep 1, 2018 · N549NN · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach Fittings
  > LT FLOOR SEAT RAIL CORRODED AT FWD END FS 379, LBL 9.0. REMOVED CORRODED LT FLOOR SEAT RAIL 374.00 - 485.00 LBL 9 IAW AMM 53-00-49-000-801 AND REPLACED WITH NEW SEAT RAIL IAW AMM 53-00-49-400-801-A12.
- [SDR VNAA2018090599901](https://openairdocs.org/sdr/VNAA2018090599901.md): Angle · corroded · Sep 1, 2018 · N549NN · Cndair CL6002D24 · Fuselage Miscellaneous Structure
  > FS 280 FWD J ANGLE AT COCKPIT THRESHOLD IS CORRODED AROUND CAMLOC HOLES. REMOVED AND REPLACED CORROSION J ANGLE.
- [SDR VNAA2018012511101](https://openairdocs.org/sdr/VNAA2018012511101.md): Heater · defective · Jan 25, 2018 · N549NN · Cndair CL6002D24 · Water Line Anti-Ice System
  > AFTER PUSHBACK THE FA REPORTED TO THE CREW A BURNING SMELL IN THE GALLEY AREA. THE CREW RETURNED THE AIRCRAFT TO THE GATE FOR MAINTENANCE. GALLEY FAN IS SUSPECT AND THE AIRCRAFT IS CURRENTLY WAITING ON A MAINTENANCE INSPECTION. NO EMERGENCY. INSP GALLEY,CAB
- [SDR VNAA2015031200019](https://openairdocs.org/sdr/VNAA2015031200019.md): Computer · contaminated · Mar 12, 2015 · N549NN · Cndair CL6002D24 · Fuel Quantity Indicator
  > CREW REPORTED FUEL CHANNEL 1/2 FAIL AMBER CAUTION MESSAGE IN FLIGHT. CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT MESSAGE TO FUEL QUANTITY GAUGING COMPUTER, FQGC, REMOVED FQGC AND FOUND FQGC AND MOUNTING TRAY WET DUE TO MISSING
- [SDR VNAA2015022300023](https://openairdocs.org/sdr/VNAA2015022300023.md): Computer · failed · Feb 23, 2015 · N549NN · Cndair CL6002D24 · Fuel Quantity Sensor
  > CREW REPORTED FUEL CHANNEL 1 AND 2 FAIL CAS MESSAGE. CREW DIVERTED AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT, R & R FUEL QUANTITY GAUGING COMPUTER (FGGC) AND PERFORMED CHECKS IAW AMM. ACFT RELEASED FOR SERVICE.
- [SDR VNAA2015021100007](https://openairdocs.org/sdr/VNAA2015021100007.md): Computer · failed · Feb 11, 2015 · N549NN · Cndair CL6002D24 · Fuel Quantity Indicator
  > CREW REPORTED FUEL CHANNEL 1/2 FAIL CAUTION MESSAGE IN FLIGHT. CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT, R & R FUEL QUANTITY GAUGING COMPUTER AND PERFORMED CHECKS IAW AMM. ACFT RELEASED FOR SERVICE.
- [SDR VNAA2014122400008](https://openairdocs.org/sdr/VNAA2014122400008.md): Battery Pack · failed · Dec 21, 2014 · N549NN · Cndair CL6002D24 · Emergency Lighting
  > CREW REPORTED ROW 15 FLOOR EMERGENCY EXIT LIGHTS INOPERATIVE. MAINTENANCE INSPECTED, R & R NR 3 EMERGENCY BATTERY AND NR 3 BATTERY CHARGER AND PERFORMED CHECKS IAW AMM. ACFT RELEASED FOR SERVICE.
- [SDR VNAA2014092200008](https://openairdocs.org/sdr/VNAA2014092200008.md): Computer · failed · Sep 22, 2014 · N549NN · Cndair CL6002D24 · Fuel Indicating System
  > CREW REPORTED A FUEL CHANNEL 1 AND 2 FAILED CAUTION MESSAGE AFTER TAKEOFF. AUTO CROSSFLOW INHIBIT STATUS MESSAGE ALSO REPORTED. RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED, R & R FUEL QUANTITY GAUGING COMPUTER (FQGC) AND PERFORMED C

## 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 = 'N549NN' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N549NN/reports

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