# Incident 20241119021579I: Bombardier Inc CL-600-2C11, Dulles, VA, November 19, 2024

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: November 19, 2024, 19:35 local time
- Place: Dulles, VA
- Airport: Washington Dulles International
- Damage: No damage
- Phase of flight: Landing: Approach
- Operating rules: Air carrier (Part 121)
- Operator: N6WA
- Location: 38.9522° N, 77.4359° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=38.9522&lon=-77.4359&mi=10
- Aircraft: N501GJ, registered now (https://openairdocs.org/aircraft/N501GJ) (OpenAirDocs)
- Registry model: Bombardier CL-600-2C11 (registry code 1390021, https://openairdocs.org/model/bombardier-cl-600-2c11) (OpenAirDocs)
- Registry engine: GE CF34-8C5B1 (registry code 30052, https://openairdocs.org/engine/ge-cf34-8c5b1) (OpenAirDocs)
- Reported make and model: BOMBARDIER INC CL-600-2C11
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Airline transport
- Pilot flight hours: 6,059 total
- NTSB investigation: [NTSB ENG25LA009](https://openairdocs.org/ntsb/ENG25LA009) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20241119021579I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

TIMELINE OF EVENTS: 11/19 ~2145 EST:  AIRCRAFT NON-REVENUED/REPOSITIONED FROM RIC TO IAD. DURING APPROACH/FLARE, CREW REPORTED THEY PULLED YOKES BACK WITHOUT ELEVATOR MOVEMENT. AFTER LANDING, THE CREW REPORTED THE ISSUE TO THE NTSB. SHORTLY AFTER LANDING, A ^PRIVACY DATA OMITTED^ MECHANIC ARRIVED AT THE AIRCRAFT, PERFORMED AN ELEVATOR DISCONNECT, AND ISOLATED THE ISSUE DOWN TO THE CAPTAIN'S SIDE. 11/19 ~2200 EST: AIRCRAFT QUARANTINED PER NTSB.  11/20 ~ 1100 EST: AIRCRAFT RELEASED FROM QUARANTINE BY NTSB. THE MECHANIC REMOVED THE FLIGHT DATA RECORDER (FDR) AND THE COCKPIT VOICE RECORDER (CVR) AND WAS SENT TO ^PRIVACY DATA OMITTED^ MAIN MAINTENANCE BASE, IN STL, TO BE DOWNLOADED AND QUARANTINED. THE MECHANIC STARTED TROUBLESHOOTING THE SYSTEM. THE YOKE WOULD MOVE FULL TRAVEL FORWARD WITH NO DEFECTS. YOKE PULLING BACK RESTRICTED MOVEMENT, ONLY ABOUT ¼ OF NORMAL TRAVEL. THE MECHANIC STARTED INSPECTING CAPTAINS YOKE ALONG THE QUADRANT IN THE FORWARD AVIONICS BAY, NO DEFECTS NOTED. INSPECTED THE AFT EQUIPMENT BAY CABLE RUNS AND COMPONENTS, NO DEFECTS NOTED. THE MECHANIC THEN PERFORMED ALL VISUAL INSPECTIONS HE COULD WITHOUT ANOTHER MECHANIC SO HE WAITED FOR ANOTHER MECHANIC TO ARRIVE. 11/21: THE MECHANIC AND THE ADDITIONAL MECHANIC CONTINUED INSPECTIONS. OPENED UP PANELS IN THE TAIL AND FOUND THE ELEVATOR AUTOPILOT SERVO CABLE SEVERED NEAR THE AUTOPILOT SERVO AND MOUNT. INSPECTED SERVO AND FOUND SERVO CLUTCH SEIZED. WENT AIRACRAFT ON GROUND (AOG) FOR PARTS @ 1430 EST: ELEVATOR SERVO MOTOR, ELEVATOR SERVO CABLES, ELEVATOR SERVO MOUNT. 11/22 ~1230 EST: ALL AOG PARTS RECEIVED. BOTH MECHANICS BEGAN INSTALL. 11/23: PARTS INSTALLED AND DOWN TO CABLE TENSION CHECKS. RELEASED AIRCRAFT FROM MAINTENANCE FOR CHECK FLIGHT 11/24 1400 EST: CREW PERFORMED CHECK FLIGHT AND FLIGHT CHECKED GOOD WITH NO DEFECTS NOTED. AIRCRAFT RELEASED FOR FLIGHT. NO KNOWN FURTHER ISSUES HAVE BEEN PRESENT SINCE THE REPLACEMENT OF PARTS AND AIRCRAFT RELEASE FOR FLIGHT.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ENG25LA009](https://openairdocs.org/ntsb/ENG25LA009), Nov 20, 2024: Bombardier CL-600-2C11 (N501GJ), Dulles, VA, incident, no damage. Probable cause: The elevator control restriction was caused by the failure of the elevator autopilot servo control cable, which failed due to cyclic fatigue. The slack in the broken cable wrapped around the elevator…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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