ASN Wikibase Occurrence # 314512
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| Date: | Friday 8 April 2011 |
| Time: | 15:20 LT |
| Type: |  Cessna 560XL Citation Excel |
| Owner/operator: | Citationshares Sales Inc., |
| Registration: | N547CS |
| MSN: | 560-5542 |
| Total airframe hrs: | 5346 hours |
| Engine model: | P&W Canada 545b |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | Abbeville, Louisiana -
 United States of America
|
| Phase: | En route |
| Nature: | Ferry/positioning |
| Departure airport: | New Orleans-Louis Armstrong International Airport, LA (MSY/KMSY) |
| San Antonio International Airport, TX (SAT/KSAT) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During the initial climb and approaching the assigned altitude, the captain noticed an abnormal feel in the flight controls followed by the pitch trim annunciator light coming on. The captain disconnected the autopilot and felt the airplane's nose immediately pitch up. The captain immediately corrected for the abnormal pressure and attempted to reduce the control forces via the electric and manual trim to no avail. The captain slowed the airplane to the speed at which it was trimmed and ran the checklist for a jammed elevator trim. The captain notified his company dispatch, declared an emergency with approach control, and landed the airplane uneventfully. A postincident examination showed that the elevator trim cable had failed due to fatigue. A laboratory examination showed slight wear on the individual cable strands. The cable had been installed at the time of manufacture and had accumulated 5,445.3 total hours. Following the examination, the airplane manufacturer determined that the cable required replacement with one made of improved rope wire material and issued a service bulletin requiring owners and operators to replace the elevator trim cable with the new cable within 300 hours or 6 months from receipt of the service bulletin.
Probable Cause: The pitch trim control cable failed due to fatigue, rendering the elevator trim inoperative.
Accident investigation:
 |
|
Sources:
NTSB CEN11IA286
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Jun-2023 17:58 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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