# Service difficulty reports: N636NN

A list on [N636NN](https://openairdocs.org/aircraft/N636NN.md).

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

- [SDR VNAA2026081722701](https://openairdocs.org/sdr/VNAA2026081722701.md): Circuit Breaker · tripped · Aug 15, 2026 · N636NN · Cndair CL6002D24 · Electrical Power System
  > DC EMERGENCY BUS CAUTION IN FLIGHT, FOUND CB R11 ON CBP-1 OPEN ON ARRIVAL. CLOSED CB AND FAULT EXTINGUISHED. PERFORMED OPS TEST OF THE DC POWER SUPPLY BUSES IAW AMM 24-61-00-710-801 AND FIM 24-31-00-810-803. OPS TEST GOOD. T/S DC EMER BUS CAUTION PER FIM 24-3
- [SDR VNAA2026051318001](https://openairdocs.org/sdr/VNAA2026051318001.md): Warning Message · false activation · May 10, 2026 · N636NN · Cndair CL6002D24 · Brake Anti-Skid Section
  > A/SKID INBD CAUTION WHEN GEAR DOWN FOR LANDING AND IB GND SPOILER FAULT STATUS MSG.FOLLOWED QRH. MSG DISAPPEARED WHEN GEAR LOWERED. / PERFORMED OPS CHECK OF THE ANTI-SKID CONTROL SYSTEM IAW CRJ 900 AMM 32-44-00-710-801. OPS CHECK GOOD.
- [SDR VNAA2025111711104](https://openairdocs.org/sdr/VNAA2025111711104.md): Windshield · cracked · Nov 16, 2025 · N636NN · Cndair CL6002D24 · Flight Compartment Windows
  > FO WINDSHIELD ARCED AND CRACKED IN FLIGHT /REMOVED AND INSTALLED COPILOT SIDE WINDSHIELD IAW AMM TASK 56-11-01-400-801-A01-PSA. PERFORMED LEAK TEST OF THE WINDSHIELD IAW AMM 21-31-00-910-801-A02 AND NO LEAKS OBSERVED. REMOVED & REPLACED WINDSHIELD CONTROLLER A
- [SDR VNAA2025072211103](https://openairdocs.org/sdr/VNAA2025072211103.md): Controller · unserviceable · Jul 21, 2025 · N636NN · Cndair CL6002D24 · Cabin Pressure Controller
  > CABIN ALT CAUTION MSG AT FL 340 CABIN ALT 8200FT FA REPORTED LOUD WHISTLING FROM AFT GALLEY. REMOVED AND REPLACED CPC2 IAW AMM 21-31-04-000/400-801. OPS CHECK GOOD.
- [SDR VNAA20250629035](https://openairdocs.org/sdr/VNAA20250629035.md): Floorbeam · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage Main, Floor Beam
  > F.S. 280 FWD J ANGLE IS CORRODED OUT OF LIMITS BETWEEN LBL9 TO RBL 9. REMOVED UNSERVICEABLE/CORRODED F.S. 280.00 J ANGLE P/N CC670-34095-3 IAW CRJ 900 SRM 51-42-06-001-001-A01 AND CRJ 900 SRM 51-42-21-001-001-A01. INSTALLED NEW SERVICEABLE F.S. 280.00 J ANGL
- [SDR VNAA20250629034](https://openairdocs.org/sdr/VNAA20250629034.md): Floorbeam · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage Main, Floor Beam
  > R/H F.S. 280 BEAN HAS TWO CORRODED RIVETS BETWEEN RBL 9 TO RBL 18. REMOVED 2 EACH CORRODED FASTENERS IAW CRJ900 SRM 51-42-13-001-001-A01. INSTALLED 2 NEW FASTENERS. APPLIED TO FASTENERS. IAW CRJ900 SRM 51-42-13-001-001-A01, 51-25-16-001-001-A01.
- [SDR VNAA20250629033](https://openairdocs.org/sdr/VNAA20250629033.md): Sill Drain · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage Main, Structure
  > LEFT FLOOR SILL IS CORRODED BETWEEN FS 985 AND FS 1000. REPAIRED L/H FLOOR SILL BETWEEN FS 985 AND FS 1000 IAW REO 690-53-61-1579 REV -- DATED 05/07/2025. DETAILS OF TASKS COMPLIED WITH ARE LISTED WITHIN MHIRJ MWC HN00232004.
- [SDR VNAA20250629032](https://openairdocs.org/sdr/VNAA20250629032.md): Support · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Aerodynamic Fairings
  > AFT WING-TO-FUSELAGE FAIRING SUPPORT AT FS 881 LH LOWER ANGLE IS CORRODED. REMOVED DAMAGED LOWER ANGLE OF FAIRING SUPPORT AT FS 881, LH IAW CRJ900 SRM 51-42-006-001-001-A01. LOCATED AND DRILLED AND INSTALLED NEW SH690-39331-7S SUPPORT TO WEB AT FS 881, LH IA
- [SDR VNAA20250629031](https://openairdocs.org/sdr/VNAA20250629031.md): Support · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Aerodynamic Fairings
  > R/H AFT WING-TO-FUSELAGE FAIRING SUPPORT AT FS 881 RH LOWER ANGLE IS CORRODED. REMOVED UNSERVICEABLE ANGLE AND INSTALLED NEW SERVICEABLE R/H F.S. 881 ANGLE SH690-39331-8A IAW CRJ 900 AMM 51-40-11-001-001-A01.
- [SDR VNAA20250629030](https://openairdocs.org/sdr/VNAA20250629030.md): Frame Angle · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage Main, Frame
  > FS 847 ANGLE IS CORRODED ON THE AFT AND LOWER SIDE AT THE LANDING FOR PANEL 195AB. REMOVED UNSERVICEABLE ANGLE AND INSTALLED NEW SERVICEABLE F.S. 847 ANGLE SH670-39169-3 COMMON TO PANEL 195AB IAW CRJ 900 AMM 51-42-06-001-001-A01.
- [SDR VNAA20250629029](https://openairdocs.org/sdr/VNAA20250629029.md): Longeron · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage Main, Structure
  > RH LONGERON ATTACHMENT ANGLE (OVERWING FAIRING SUPPORT) IS CORRODED BETWEEN FS 693 AND FS 797. REPAIRED CORRODED AREAS IAW MHIRJ REO 690-53-82-230 REV -- DATED 2025-04-14. DWG
- [SDR VNAA20250629028](https://openairdocs.org/sdr/VNAA20250629028.md): Longeron · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage Main, Structure
  > LEFT LONGERON ATTACHMENT ANGLE (OVERWING FAIRING SUPPORT) IS CORRODED BETWEEN FS 693 AND FS 797. REPAIRED CORRODED AREAS IAW MHIRJ REO 690-53-82-231 REV -- DATED 2025-04-14. DWG
- [SDR VNAA20250629027](https://openairdocs.org/sdr/VNAA20250629027.md): Frame · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage Main, Frame
  > FS 1162 FRAME IS CORRODED ON THE LOWER AFT FLANGE, BETWEEN STGR 26L AND STGR 26R. REPAIRED CORRODED FRAME @ FS 1162 AS REQUIRED IAW REO 690-53-71-085 REV-- DATED 2025-04-15 DWG
- [SDR VNAA20250629026](https://openairdocs.org/sdr/VNAA20250629026.md): Plate · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Emergency Exits
  > RIGHT FWD OVERWING EMERGENCY EXIT STEP PLATE IS CORRODED. REMOVED R/H AFT OVER WING EMERGENCY EXIT STEP PLATE FOR ACCESS IAW CRJ 900 SRM 51-41-02-001-001-A01. REMOVED CORROSION FROM R/H AFT OVER WING EMERGENCY EXIT STEP PLATE IAW CRJ 900 SRM 51-21-06-001-001
- [SDR VNAA20250629025](https://openairdocs.org/sdr/VNAA20250629025.md): Plate · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Emergency Exits
  > RH AFT OVERWING EMERGENCY EXIT STEP PLATE IS CORRODED CORRECTIVE ACTION: REMOVED CORROSION FROM R/H AFT OVER WING EMERGENCY EXIT STEP PLATE IAW CRJ 900 SRM 51-21-06-001-001-A01 FOUND TO BE WITHIN LIMITS, ORIGINAL MATERIAL IS 0.071", MAX MATERIAL REMOVED IS 0.0
- [SDR VNAA20250629024](https://openairdocs.org/sdr/VNAA20250629024.md): Skin · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Passenger/Crew Doors
  > PAX DOOR INNER SKIN FOUND TO BE CORRODED. REMOVED AND REPLACED PAX DOOR INNER SKIN IAW CRJ-900 SRM’S 51-42-06-001-001-A01, 51-40-11-001-001-A01, 51-42-22-001-001-A01 AND 51-42-13-001-001-A01.
- [SDR VNAA20250629023](https://openairdocs.org/sdr/VNAA20250629023.md): Web · cracked · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Passenger/Crew Doors
  > PAX DOOR FWD WEB IS CRACKED. REMOVED AND REPLACED PAX DOOR FWD WEB IAW CRJ-900 SRM’S 51-42-06-001-001-A01, 51-40-11-001-001-A01, AND 51-42-13-001-001-A01.
- [SDR VNAA20250629022](https://openairdocs.org/sdr/VNAA20250629022.md): Angle · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Landing Gear Doors
  > L/H MLG L/H DOOR FWD EDGE MEMBER IS CORRODED. REMOVED AND INSTALLED NEW SERVICEABLE LH MLG DOOR (OLD PN/SN CC670-10520-15/15399) (NEW PN/SN CC670-10520-15/15350) IAW CRJ 900 AMM 32-12-01-000/400-802-A04.
- [SDR VNAA20250629021](https://openairdocs.org/sdr/VNAA20250629021.md): Angle · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Landing Gear Doors
  > HN00228895 DISCREPANCY: RH MLG DOOR O/B ANGLE IS CORRODED. CORRECTIVE ACTION: REMOVED AND REPLACED RH MLG DOOR (PN: CC670-10520-16 SN: 15402) IAW CRJ-900 AMM 32-12-01-400-801-A01
- [SDR VNAA20250629020](https://openairdocs.org/sdr/VNAA20250629020.md): Angle · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Landing Gear Doors
  > HN00228894 DISCREPANCY: RH MLG DOOR TRAILING EDGE ANGLE IS CORRODED. CORRECTIVE ACTION: REPAIRED RH MLG DOOR IAW MHIRJ REO 690-52-82-165 REV-- DATED 2025-04-15.
- [SDR VNAA20250629019](https://openairdocs.org/sdr/VNAA20250629019.md): Attach Bracket · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Wing, Attach Fittings
  > CORROSION FOUND ON OTBD/FWD ATTACHMENT BRACKET OF 586BB. REMOVED CORROSION FROM THE WS 128 HINGE ARM OUTBOARD / FORWARD BRACKET COMMON TO PANEL 586BB IAW CRJ-900 SRM 51-21-06-001-001-A01 & FOUND TO BE OUT OF LIMITS DUE TO THERE BEING NO ALLOWABLE LIMITS PROV
- [SDR VNAA20250629018](https://openairdocs.org/sdr/VNAA20250629018.md): Attach Bracket · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage Main, Attach Fittings
  > CORROSION FOUND ON OTBD SIDE TOP/AFT ATTACHMENT BRACKET OF PANEL 686BB. REMOVED DAMAGED ATTACHMENT BRACKET COMMON TO PANEL 686BB PN (CC670-14146-1) IAW CRJ 900 SRM 51-42-06-001-001-A01 & 51-42-15-001-001-A01. LOCATED AND DRILLED NEW SERVICEABLE BRACKET PN (C
- [SDR VNAA20250629017](https://openairdocs.org/sdr/VNAA20250629017.md): Counterbalance · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Cargo/Baggage Doors
  > CUSTOMER REPORTS 4-OFF AREAS OF BLENDED CORROSION DAMAGE TO FORWARD BAGGAGE BAY DOOR COUNTERBALANCE MECHANISM FWD AND AFT INNER ARMS (DWG: LE670-39723, AL ALY 7050-T7451, REF). REPAIRED IAW MHIRJ REO 690-52-35-504 REV-- DATED 04/01/2025. REPAIR PERFORMED UNDE
- [SDR VNAA20250629016](https://openairdocs.org/sdr/VNAA20250629016.md): Counterbalance · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Cargo/Baggage Doors
  > CUSTOMER REPORTS 4-OFF AREAS OF BLENDED CORROSION DAMAGE TO FORWARD BAGGAGE BAY DOOR COUNTERBALANCE MECHANISM FWD AND AFT INNER ARMS (DWG: LE670-39723, AL ALY 7050-T7451, REF). REPAIRED IAW MHIRJ REO 690-52-35-504 REV-- DATED 04/01/2025. REPAIR PERFORMED UNDE
- [SDR VNAA20250629015](https://openairdocs.org/sdr/VNAA20250629015.md): Hinge Arm · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage, Door Hinge
  > OPERATOR REPORTS 2-OFF AREAS OF BLENDED CORROSION DAMAGE TO CENTER BAGGAGE BAY DOOR FWD AND AFT INNER HINGE ARMS (DWG: LE670-39723, AL ALY 7050-T7451, REF). REPAIRED IAW MHIRJ REO 690-52-35-503 REV-- DATED 04/01/2025. REPAIR PERFORMED UNDER MHIRJ MWC HN 0022
- [SDR VNAA20250629014](https://openairdocs.org/sdr/VNAA20250629014.md): Hinge Arm · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage, Door Hinge
  > OPERATOR REPORTS 2-OFF AREAS OF BLENDED CORROSION DAMAGE TO CENTER BAGGAGE BAY DOOR FWD AND AFT INNER HINGE ARMS (DWG: LE670-39723, AL ALY 7050-T7451, REF). REPAIRED IAW MHIRJ REO 690-52-35-503 REV-- DATED 04/01/2025. REPAIR PERFORMED UNDER MHIRJ MWC HN 0022
- [SDR VNAA20250629013](https://openairdocs.org/sdr/VNAA20250629013.md): Frame · elongated · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage Main, Frame
  > HN00236723 DISCREPANCY: FS 1162 FRAME HAS 2 ELONGATED HOLES BETWEEN STGR 26L AND STGR 26R CORRECTIVE ACTION: REPAIRED IAW REO 690-53-71-086 REV. C DATED 2025-06-16
- [SDR VNAA20250629012](https://openairdocs.org/sdr/VNAA20250629012.md): Floorbeam · cracked · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage Main, Floor Beam
  > FLIGHT DECK FLOORBEAM AT RBL 12 FWD SIDE OF FS280 IS CRACKED. REPAIRED BY CUTTING AWAY DAMAGED PORTION AND INSTALLING REPAIR PARTS IAW MHIRJ REO 690-53-11-1976 REV-- DATED 2025-04-25
- [SDR VNAA20250629011](https://openairdocs.org/sdr/VNAA20250629011.md): Floorbeam · cracked · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage Main, Floor Beam
  > FLIGHT DECK FLOORBEAM AT LBL 12 FWD SIDE OF FS280 IS CRACKED. REPAIRED BY CUTTING AWAY DAMAGED PORTION AND INSTALLING REPAIR PARTS IAW MHIRJ REO 690-53-11-1976 REV-- DATED 2025-04-25.
- [SDR VNAA20250629010](https://openairdocs.org/sdr/VNAA20250629010.md): Vane · chafed · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Trailing Edge Flaps
  > FLAP VANE ACTUATOR SHAFT IS CHAFED UNDER PANEL 684CB. COMPLIED WITH MHIRJ GREO 670-57-52-257 REV-A DATED 2024-08-20
- [SDR VNAA20250629009](https://openairdocs.org/sdr/VNAA20250629009.md): Flap System · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Trailing Edge Flap Control System
  > FLAP VANE ACTUATOR SHAFT IS CHAFED UNDER PANEL 584AB. COMPLIED WITH MHIRJ GREO 670-57-52-257 REV-A DATED 2024-08-20.
- [SDR VNAA20250629008](https://openairdocs.org/sdr/VNAA20250629008.md): Tie Down · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach Fittings
  > FWD CARGO TIEDOWN FITTING AT STRINGER 25L AND FS 629 IS CORRODED. REMOVED AND REPLACED TIEDOWN FITTING IAW CRJ-900 SRMS 51-40-11-001-001-A01, 51-42-06-001-001-A01, 51-42-21-001-001-A01, AND 51-42-22-001-001-A01.
- [SDR VNAA20250629007](https://openairdocs.org/sdr/VNAA20250629007.md): Tie Down · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach Fittings
  > FWD CARGO TIEDOWN BRACKET FITTING AT STRINGER 25L AND FS565 IS CORRODED. REMOVED AND REPLACED TIEDOWN BRACKET FITTING P/N SH670-33389-2 IAW CRJ 900 SRM'S 51-40-11-001-001-A01, 51-23-00-001-001-A01, 51-42-06-001-001-A01, 51-42-20-001-001-A01, 51-45-00-001-001-
- [SDR VNAA20250629006](https://openairdocs.org/sdr/VNAA20250629006.md): Tie Down · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage, Seat/Cargo Attach Fittings
  > FWD CARGO TIEDOWN BRACKET FITTING AT STRINGER 25L BETWEEN FS645 AND FS661 IS CORRODED. REMOVED AND REPLACED TIEDOWN BRACKET FITTING IAW CRJ-900 SRMS 51-40-11-001-001-A01, 51-42-21-001-001-A01, 51-23-00-001-001-A01, 51-25-06-001-001-A01, AND 51-25-01-001-001-
- [SDR VNAA20250629005](https://openairdocs.org/sdr/VNAA20250629005.md): Stringer · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage Main, Longeron/Stringer
  > STRINGER 22L IS CORRODED BETWEEN FS 469 AND FS 517. REMOVED AND REPLACED STRINGER 22L BETWEEN FS 469 AND FS 517 IAW CRJ-900 SRM'S 51-40-11-001-001-A01, 51-42-06-001-001-A01, AND 51-42-21-001-001-A01.
- [SDR VNAA20250629004](https://openairdocs.org/sdr/VNAA20250629004.md): Floor Support · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage Miscellaneous Structure
  > FLOOR SUPPORT ANGLES CORRODED AT PAX DOOR BETWEEN FS 310.00 AND 349.00. REMOVED AND REPLACED IAW CRJ 900 SRMS 51-40-11-001-001-A01 AND 51-42-06-001-001-A01
- [SDR VNAA20250629003](https://openairdocs.org/sdr/VNAA20250629003.md): Intercostal · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage Miscellaneous Structure
  > AVI DOOR INTERCOSTAL IS CORRODED BETWEEN STGR 25R TO STGR 26R. ADDITION CORROSION (PITTING) WAS DISCOVERED ON STRINGER 26R. REMOVED CORROSION IAW CRJ 900 SRM 51-21-06-001-001-A01. REPAIRED BLENDED AREA IAW REO 690-53-21-1944 REV – DATED 5-10-2025. REPAIR DOC
- [SDR VNAA20250629002](https://openairdocs.org/sdr/VNAA20250629002.md): Intercostal · corroded · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Fuselage Miscellaneous Structure
  > AVI DOOR INTERCOSTAL IS CORRODED BETWEEN STGR 27 TO STGR 26R. REMOVED FASTENERS FROM BRACKETS, SKIN, AND INTERCOSTAL STRING 27. REMOVED INTERCOSTAL STRING 27 FROM AVI DOOR INTERCOSTAL. IAW CRJ900 SRM 51-42-06-001-001-A01 AND 51-42-06-001-001-A01. MATCH DRILL
- [SDR VNAA20250629001](https://openairdocs.org/sdr/VNAA20250629001.md): Skin Panel · damaged · Jun 29, 2025 · N636NN · Cndair CL6002D24 · Wing, Plate/Skin
  > LH WING UPPER WING PLANK LANDING FOR PANEL 542 AT HAS MUTIPLE DRILL STARTS. REPAIRED LH WING UPPER WING PLANK LANDING COMMON TO PANEL 542AT IAW MHIRJ REO 690-57-21-512 REV-A DATED 2025-05-20

## 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 = 'N636NN' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N636NN/reports

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