# Service difficulty reports: N633NN

A list on [N633NN](https://openairdocs.org/aircraft/N633NN.md).

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

- [SDR VNAA2026090424301](https://openairdocs.org/sdr/VNAA2026090424301.md): Acm · leaking · Sep 1, 2026 · N633NN · Cndair CL6002D24 · Cabin Cooling System
  > R BLEED DUCT WARNING MSG IN FLIGHT C/A C/W REMOVAL AND REINSTALLATION OF RH ACM IAW CRJ 900 AMM 21-51-08-000/400-801
- [SDR VNAA2026090123901](https://openairdocs.org/sdr/VNAA2026090123901.md): Duct · leaking · Aug 30, 2026 · N633NN · Cndair CL6002D24 · Pneumatic Distribution System
  > L BLEED DUCT WARNING MSG IN FLIGHT RUN QRH, REMOVED AND REPLACED THE BLEED-AIR CROSSOVER DUCT IAW CRJ 900 AMM 36-19-09-000/400-801-A04. PERFORMED LEAK TEST OF THE BLEED-AIR DISTRIBUTION SYSTEM IAW CRJ 900 AMM 36-10-00-790-801. OPS CHECK GOOD AT THIS TIME.
- [SDR VNAA2026061618901](https://openairdocs.org/sdr/VNAA2026061618901.md): Selector Valve · unserviceable · Jun 13, 2026 · N633NN · Cndair CL6002D24 · Landing Gear Retraction/Extension System
  > PROX SYSTEM CAUTION. QRH PROCEDURE COMPLETED. REMOVED AND REPLACED VALVE ASSY MLG SELECTOR IAW AMM 32-32-10-000-400-801-A01. OPS CHECK OF THE LANDING GEAR EXTENSION/RETRACTION SYSTEM GOOD AT THIS TIME. THIS CLEARS PROX SYSTEM CAUTION MESSAGE.
- [SDR VNAA2026042016501](https://openairdocs.org/sdr/VNAA2026042016501.md): Wire Harness · damaged · Apr 16, 2026 · N633NN · Cndair CL6002D24 · Landing Gear System Wiring
  > STEERING INOP CAUTION MSG AFTER TAKEOFF. AFTER GEAR SELECTED UP. REMOVED AND REPLACED STEERING WHEEL WIRING HARNESS IAW AMM 32-21-01-000/400-803-A01. PERFORMED BITE TEST OF THE STEERING MANIFOLD IAW AMM 32-50-00-740-801-A01 AND OPS TEST IAW AMM 32-51-00-710-
- [SDR VNAA202508200026](https://openairdocs.org/sdr/VNAA202508200026.md): Door · abnormal · Aug 4, 2024 · N633NN · Bombdr CL6002D15 · Nacelle/Pylon, Main Frame
  > PREVIOUS REPAIR WHITOUT TRACKING FOR PSA ON LOWER FAN COWL DOOR AT LH ENGINE BTWN 5 AND 6 O´CLOCK POSITION. PREVIOUS REPAIR WHITOUT TRACKING FOR PSA ON LOWER FAN COWL DOOR AT LH ENGINE BTWN 5 AND 6 O´CLOCK POSITION WAS REMOVED AND WAS REPAIRED PER REO 690-54
- [SDR VNAA20250820005](https://openairdocs.org/sdr/VNAA20250820005.md): Door · dented · Aug 4, 2024 · N633NN · Bombdr CL6002D15 · Nacelle/Pylon, Main Frame
  > DENTS ON LOWER FAN COWL DOOR BTWN 4 TO 6´OCLOCK POSITION (5 EAS) AT LH ENGINE. DENTS ON LOWER FAN COWL DOOR BTWN 4 TO 6´OCLOCK POSITION (5 EAS) AT LH ENGINE WERE REPAIRED PER REO 690-54-14-774. REV-.
- [SDR VNAA202508200024](https://openairdocs.org/sdr/VNAA202508200024.md): Fitting · cracked · Jul 22, 2024 · N633NN · Bombdr CL6002D15 · Fuselage, Equipment Attach Fittings
  > DISCREPANCY: CORROSION ON FLOOR FITTING PN: A414251-1 1EA AND PN: A414252-3 1EA AT FWD LAV. FLOOR FITTING PN: A414252-3 (1 EA) AND FLOOR FITTING PN: A414251-1 (1 EA) AT FWD LAV WERE REPLACED PER SAFRAN CMM 25-40-40
- [SDR VNAA202508200023](https://openairdocs.org/sdr/VNAA202508200023.md): Seat Track · cracked · Jul 20, 2024 · N633NN · Bombdr CL6002D15 · Fuselage Miscellaneous Structure
  > BROKEN RH SIDE SEAT RAIL MOUNTING BTW FS847.00 TO FS881.00 AND STGR 15R. SEAT RAIL MOUNTING BTW FS847.00 TO FS881.00 AND STGR 15R WAS FABRICATED PER DWG SH690-37558 SNIEO S03 AND THEREFORE WAS REPLACED PER CRJ-900 SRM 51-41-02-001-001-A01
- [SDR VNAA202508200022](https://openairdocs.org/sdr/VNAA202508200022.md): Bulkhead Web · corroded · Jul 20, 2024 · N633NN · Bombdr CL6002D15 · Fuselage Main, Bulkhead
  > AFTER REMOVAL OF CAP ANGLE, CORROSION ON WEB OF BULKHEAD FS 280.00 LH SIDE. EVALUATED, DUE TO EXCESSIVE CORROSION ON WEB OF BULKHEAD FS 280.00 LH SIDE, IT IS OUT OF LIMITS PER CRJ900 SRM 53-00-00-101-001-A01 AND REPAIRED PER CRJ-900 SRM 53-11-10-201-004-A01.
- [SDR VNAA202508200021](https://openairdocs.org/sdr/VNAA202508200021.md): Bulkhead Web · corroded · Jul 20, 2024 · N633NN · Bombdr CL6002D15 · Fuselage Main, Bulkhead
  > AFTER REMOVAL OF CAP ANGLE. CORROSION ON WEB OF BULKHEAD FS 280.00 RH SIDE. EVALUATED, DUE TO EXCESSIVE CORROSION ON WEB OF BULKHEAD FS 280.00 RH SIDE, IT IS OUT OF LIMITS PER CRJ900 SRM 53-00-00-101-001-A01 AND REPAIRED PER CRJ-900 SRM 53-11-10-201-004-A
- [SDR VNAA202508200020](https://openairdocs.org/sdr/VNAA202508200020.md): Floorbeam · corroded · Jul 20, 2024 · N633NN · Bombdr CL6002D15 · Fuselage Main, Floor Beam
  > AFTER REMOTION OF FLOOR PANEL SUPPORT ANGLE. CORROSION ON CROSSBEAM RH AT FS280.00. CROSSBEAM RH AT FS280.00 WAS REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01, SRM 51-42-10-001-001-A01 AND SRM 51-42-21-001-001-A01.
- [SDR VNAA202508200019](https://openairdocs.org/sdr/VNAA202508200019.md): Floorbeam · corroded · Jul 20, 2024 · N633NN · Bombdr CL6002D15 · Fuselage Main, Floor Beam
  > AFTER REMOTION OF FLOOR PANEL SUPPORT ANGLE. CORROSION ON CROSSBEAM LH AT FS280. CROSSBEAM LH AT FS280.00 WAS REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01, SRM 51-42-10-001-001-A01 AND SRM 51-42-21-001-001-A01.
- [SDR VNAA20250820007](https://openairdocs.org/sdr/VNAA20250820007.md): Drag Angle · cracked · Jul 20, 2024 · N633NN · Bombdr CL6002D15 · Vertical Stabilizer Miscellaneous Structure
  > DISCREPANCY: CRACK ON LH VERTICAL STABILIZER TO FUSELAGE ATTACHMENT AFT DRAG ANGLE BTW 55.62% STGR DATUM TO STGR DATUM TO 67.5% REAR SPAR DATUM. CRACK ON LH VERTICAL STABILIZER TO FUSELAGE ATTACHMENT AFT DRAG ANGLE BTW 55.62% STGR DATUM TO STGR DATUM TO 67.5%
- [SDR VNAA20250820006](https://openairdocs.org/sdr/VNAA20250820006.md): Drag Angle · cracked · Jul 20, 2024 · N633NN · Bombdr CL6002D15 · Vertical Stabilizer Miscellaneous Structure
  > DISCREPANCY: CRACK ON RH VERTICAL STABILIZER TO FUSELAGE ATTACHMENT AFT DRAG ANGLE BTW 55.62% STGR DATUM TO STGR DATUM TO 67.5% REAR SPAR DATUM. CRACK ON RH VERTICAL STABILIZER TO FUSELAGE ATTACHMENT AFT DRAG ANGLE BTW 55.62% STGR DATUM TO STGR DATUM TO 67.5
- [SDR VNAA202508200018](https://openairdocs.org/sdr/VNAA202508200018.md): Lug · corroded · Jul 15, 2024 · N633NN · Bombdr CL6002D15 · Ailerons
  > AFTER REMOTION OF BEARINGS AND BUSHINGS: CORROSION ON LUG R1, R3, R4, R5 AND R6 AT RH AILERON SURFACE. LUGS R1, R3, R4 AND R6 WERE CLEANED PER CRJ 900 SRM TASK 51--26-00-001-001-A01 CLEANING THEREFORE IT DOES NOT PRESENT DAMAGE R5 WAS REPAIRED PER REO 670-57
- [SDR VNAA202508200017](https://openairdocs.org/sdr/VNAA202508200017.md): Seat Track · corroded · Jul 15, 2024 · N633NN · Bombdr CL6002D15 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION IN SEAT RAIL LBL9 BTW FS364.00 TO FS682.00 (4 EAS). SEAT RAIL LBL9 BTW FS364.00 TO FS682.00 (4 EAS) ARE OUT OF LIMITS PER CRJ-900 SRM 53-21-49-101-001-A01 AND SRM 53-31-49-101-001-A02 THEREFORE WERE REPLACED PER CRJ-900 AMM 53-00-49 (CONFIG A12).
- [SDR VNAA202508200016](https://openairdocs.org/sdr/VNAA202508200016.md): Seat Track · corroded · Jul 15, 2024 · N633NN · Bombdr CL6002D15 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION IN SEAT RAIL LBL27 BTW FS364.00 TO FS581.00 (3 EAS). SEAT RAIL LBL27 BTW FS364.00 TO FS581.00 (3 EAS) ARE OUT OF LIMITS PER SRM 53-21-49-101-001-A01 AND SRM 53-31-49-101-001-A02 THEREFORE WERE REPLACED PER CRJ-900 AMM 53-00-49-000-801-A12.
- [SDR VNAA20250820014](https://openairdocs.org/sdr/VNAA20250820014.md): Seat Track · corroded · Jul 15, 2024 · N633NN · Bombdr CL6002D15 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION ON LH SIDE SEAT RAIL BTW FS379.00 TO FS969.00 (11 EAS). LH SIDE SEAT RAIL BTW FS379.00 TO FS969.00 (11 EAS) ARE OUT OF LIMITS PER CRJ-900 SRM 53-21-49-101-001-A01, SRM 53-31-49-101-001-A02,SRM 53-41-49-101-001-A02 AND SRM 53-51-49-101-001-A02 THER
- [SDR VNAA20250820003](https://openairdocs.org/sdr/VNAA20250820003.md): Rib · cracked · Jul 15, 2024 · N633NN · Bombdr CL6002D15 · Wing, Rib/Bulkhead
  > CRACK ON RIB LEADING EDGE SS57.16 AT LH WING FRONT SPAR. THE LH WING FRONT SPAR, RIB LEADING EDGE SS57.16 WAS REPAIRED PER REO 690-57-41-240 REV -.
- [SDR VNAA20250820002](https://openairdocs.org/sdr/VNAA20250820002.md): Drip Tray · corroded · Jul 15, 2024 · N633NN · Bombdr CL6002D15 · Fuselage Miscellaneous Structure
  > CORROSION ON LH DRIP TRAY AT FS280.00 AT PASSENGER CABIN DUE TO EXCESIVE CORROSIÓN ON LH DRIP TRAY AT FS280.00 AT PASSENGER CABIN WAS FOUND OUT OF LIMITS PER CRJ-900 SRM 53-21-43-101-001-A03 THEREFORE WAS REPLACED PER CRJ-900 SRM 51-42-10-001-001-A01 AND CRJ
- [SDR VNAA20250820001](https://openairdocs.org/sdr/VNAA20250820001.md): Drip Tray · corroded · Jul 15, 2024 · N633NN · Bombdr CL6002D15 · Fuselage Miscellaneous Structure
  > CORROSION ON LH DRIP TRAY AT FS280.00 AT PASSENGER CABIN. DUE TO EXCESIVE CORROSIÓN ON LH DRIP TRAY AT FS280.00 AT PASSENGER CABIN WAS FOUND OUT OF LIMITS PER CRJ-900 SRM 53-21-43-101-001-A03 THEREFORE WAS REPLACED PER CRJ-900 SRM 51-42-10-001-001-A01 AND CR
- [SDR VNAA20250820015](https://openairdocs.org/sdr/VNAA20250820015.md): Seat Track · corroded · Jul 15, 2024 · N633NN · Bombdr CL6002D15 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION ON RBL9 SEAT RAIL BTW FS349.00 TO FS682.00 (6 EAS). DUE TO EXCESSIVE DAMAGE ON SEAT RAIL ON RBL9 SEAT RAIL BTW FS349.00 TO FS682.00 (6 EAS) WERE FOUND OUT OF LIMITS PER CRJ-900 SRM 53-31-49-101-001-A02 THEREFORE WERE REPLACED PER CRJ-900 AMM 53-0
- [SDR VNAA20250820013](https://openairdocs.org/sdr/VNAA20250820013.md): Rib · cracked · Jul 13, 2024 · N633NN · Bombdr CL6002D15 · Wing, Rib/Bulkhead
  > CRACK ON INBD MACHINED RIB OF WS 163.00 TRAILING EDGE AT LH WING. CRACK ON INBD MACHINED RIB OF WS 163.00 TRAILING EDGE AT LH WING WAS REPAIRED PER REO 690-57-51-452 REV -.
- [SDR VNAA20250820012](https://openairdocs.org/sdr/VNAA20250820012.md): Door Seal · corroded · Jul 13, 2024 · N633NN · Bombdr CL6002D15 · Fuselage Main, Structure
  > CORROSION ON ANGLE LOWER SEAL AT GALLEY SERVICE DOOR SURROUND STRUCTURE. DUE TO EXCESIVE CORROSIÓN ON ANGLE LOWER SEAL AT GALLEY SERVICE DOOR SURROUND STRUCTURE IS OUT OFF LIMITS PER CRJ900 SRM 53-00-00-101-001-A01 THEREFORE WAS REPLACED PER CRJ900 SRM 51-42-
- [SDR VNAA20250820010](https://openairdocs.org/sdr/VNAA20250820010.md): Rib · cracked · Jul 13, 2024 · N633NN · Bombdr CL6002D15 · Wing, Rib/Bulkhead
  > CRACK ON OUTB MACHINED RIB OF WS 163.00 TRAILING EDGE AT RH WING. CRACK ON OUTB MACHINED RIB OF WS 163.00 TRAILING EDGE AT RH WING WAS REPAIRED PER REO 690-57-51-450 REV - -
- [SDR VNAA20250820009](https://openairdocs.org/sdr/VNAA20250820009.md): Rib · cracked · Jul 13, 2024 · N633NN · Bombdr CL6002D15 · Wing, Rib/Bulkhead
  > CRACK ON OUTB MACHINED RIB OF WS 163.00 TRAILING EDGE AT LH WING. CRACK ON OUTB MACHINED RIB OF WS 163.00 TRAILING EDGE AT LH WING WAS REPAIRED PER REO 690-57-51-451 REV. -.
- [SDR VNAA202508200025](https://openairdocs.org/sdr/VNAA202508200025.md): Skin · dented · Jul 12, 2024 · N633NN · Bombdr CL6002D15 · Nacelle/Pylon, Plate/Skin
  > DISCREPANCY: DENT ON INLET COWL AT 6 O´CLOCK POSITION AT LH ENGINE PREVIOUSLY MARKED AND WHITOUT TRACKING FOR PSA. DENT ON INLET COWL AT 6 O´CLOCK POSITION AT LH ENGINE PREVIOUSLY MARKED AND WHITOUT TRACKING FOR PSA WAS REPAIRED PER REO 690-54-11-560 REV- AN
- [SDR VNAA20250820004](https://openairdocs.org/sdr/VNAA20250820004.md): Skin · dented · Jul 12, 2024 · N633NN · Bombdr CL6002D15 · Nacelle/Pylon, Plate/Skin
  > DENT ON INLET COWL SKIN AT 6 O'CLOCK POSITION LH ENGINE. DENT ON INLET COWL SKIN AT 6 O'CLOCK POSITION LH ENGINE WAS REPAIRED PER REO 690-54-11-560 REV- - AND PER 670-54-11-1108 REV. NC.
- [SDR VNAA20250820008](https://openairdocs.org/sdr/VNAA20250820008.md): Shield · chafed · Jun 12, 2024 · N633NN · Bombdr CL6002D15 · Nacelle/Pylon, Bulkhead/Firewall
  > LH ENG FIRE SHIELD WITHIN 2140.41 FLIGHT HOURS AFTER SECTION I, ACCOMPLISH A PERMANENT REPAIR AT DISCREPANT AREA IN ACCORDANCE WITH APPROVED PROCEDURES OR REPLACE PART. ENGINEERING COMMENTS: LH ENG FIRE SHIELD REPAIR AS PER SRM TASK 54-23-00-201-005-A01. IF N
- [SDR VNAA2024042511103](https://openairdocs.org/sdr/VNAA2024042511103.md): Pcu · faulted · Apr 22, 2024 · N633NN · Cndair CL6002D24 · Drag Control System
  > OB SPOILERONS / OB FLIGHT SPOILERS CAUTION MESSAGE ON DECENT AFTER SELECTION TO DEPLOY SPOILERS / INTERROGATED MDC AND FOUND B1 CODE 007920, TROUBLESHOT IAW CRJ900 FIM 27-64-01-810-817-A01-PSA AND DETERMINED PCU MPE34 TO BE AT FAULT. REMOVED AND REPLACED THE R
- [SDR VNAA2024022511101](https://openairdocs.org/sdr/VNAA2024022511101.md): Acm · seized · Apr 22, 2024 · N633NN · Cndair CL6002D24 · Cabin Cooling System
  > SHORTLY AFTER TO. FA REPORTED SMOKE IN CABIN. AFTER LANDING R PACK AUTO FAIL CAUTION MSG. EVACUATED ON TAXIWAY / TROUBLESHOT IAW CRJ900 FIM 21-21-00-810-806 AND FIM 21-22-00-810-806. FOUND RH AIR CONDITIONING PACK TO BE SEIZED, NO SIGNS OF SMOKE WHEN INOP REMO

## 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 = 'N633NN' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N633NN/reports

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