ASN Wikibase Occurrence # 201545
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| Date: | Saturday 18 November 2017 |
| Time: | c. 15:00 UTC |
| Type: |  Bombardier CL-600-2B16 Challenger 604 |
| Owner/operator: | Execaire |
| Registration: | C-GKTO |
| MSN: | 5396 |
| Fatalities: | Fatalities: 0 / Occupants: 9 |
| Aircraft damage: | None |
| Location: | near ETIKI waypoint, 400 km S of Ireland -
 Atlantic Ocean
|
| Phase: | En route |
| Nature: | Executive |
| Departure airport: | Leeds/Bradford Intl, UK (EGNM) |
| St-John’s Intl, NL (CYYT) | |
| Confidence Rating: |  Information is only available from news, social media or unofficial sources |
A Bombardier Challenger 604 aircraft was conducting a flight from Leeds/Bradford, UK to St-John’s, Canada, with 2 crew members and 7 passengers on board. During the oceanic entry cruising at FL340 in the vicinity of waypoint ETIKI, the flight crew received intermittent amber 'A' messages on both PFDs, associated with AP TRIM IS RWD and AP TRIM IS LWD EICAS messages. Transfer of the autopilot from one side to the other did not resolve the problem and, as the flight crew decided to fly the aircraft manually, there was a rapid and significant roll of less than 20° to the right when the autopilot was disconnected. Extreme force was required to roll the aircraft back to the left, while
turning to the right was normal. The flight crew executed the emergency checklist and requested a direct routing to Shannon Intl, Ireland (EINN). No emergency was declared, and aileron control improved as the aircraft descended. The aircraft subsequently landed on runway 06 with flaps 20 and ARFF standing by.
During the post-flight inspection, the operator’s maintenance noted that there was a significant amount of water dripping from the underside of the fuselage, aft of the wheel well in proximity of the lower beacon. The operator is suspecting that a water leak caused a freezing of the aileron trim mechanism.
Sources:
Transport Canada
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Nov-2017 19:27 | harro | Added |
| 21-Nov-2017 19:55 | harro | Updated [Nature, Narrative] |
Corrections or additions? ... Edit this accident description
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