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ASN Wikibase Occurrence # 140418
 
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Date:02-DEC-2011
Time:12:28
Type:Silhouette image of generic C56X model; specific model in this crash may look slightly different    
Cessna 560XL
Owner/operator:CitationShares Management LLC
Registration: N576CS
MSN: 560-5794
Fatalities:Fatalities: 0 / Occupants: 3
Aircraft damage: None
Category:Incident
Location:Orlando International Airport (KMCO), Orlando, FL -   United States of America
Phase: En route
Nature:Passenger - Non-Scheduled/charter/Air Taxi
Departure airport:Naples, FL (APF)
Destination airport:Dulles, VA (IAD)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The flight crew reported that a "pitch trim miscompare" message illuminated in the cockpit just before they were to level off at 41,000 feet mean sea level (msl). After accomplishing the checklist items and disconnecting the autopilot, the flight crew had to exert considerable forward yoke pressure to maintain level flight. The flight crew found the manual pitch trim control wheel to be "frozen" in the forward position and were unable to move it. They declared an emergency and initiated a descent. Upon reaching 8,000 feet msl, the trim wheel released and the system returned to normal. The airplane landed uneventfully. Maintenance personnel inspected the left and right pitch trim actuators and found that the grease was contaminated with water. The actuators had been inspected and lubricated within the required 1,200-hour interval.
Probable Cause: Water contamination in the pitch trim actuators.

Sources:

NTSB
FAA register: https://www.ntsb.gov/aviationquery/brief.aspx?ev_id=20111205X75757&key=1
http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=576CS&x=0&y=0

Accident investigation:
cover
  
Investigating agency: NTSB
Status: Investigation completed
Duration: 4 months
Download report: Final report
Location


Revision history:

Date/timeContributorUpdates
14-Dec-2011 09:56 Geno Added
21-Dec-2016 19:26 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
27-Nov-2017 18:13 ASN Update Bot Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative]

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