ASN Wikibase Occurrence # 370556
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| Date: | Sunday 23 July 2000 |
| Time: | 18:31 LT |
| Type: |  ATR 42-300 |
| Owner/operator: | Trans States Airlines |
| Registration: | N421TE |
| MSN: | 102 |
| Year of manufacture: | 1988 |
| Total airframe hrs: | 26773 hours |
| Engine model: | P&W PW120 |
| Fatalities: | Fatalities: 0 / Occupants: 37 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | CHAMPAIGN, IL -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | SOUTH BEND, IN (KSBN) |
| Saint Louis-Lambert International Airport, MO (STL/KSTL) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airplane was undamaged during a precautionary landing following a flight control difficulty while in cruise flight. The flight crew was unable to trim the aircraft for level flight. The pilot reported initially that 80 to 100 pounds of control wheel force was required to maintain wings level. Subsequently, the pilot estimated the force required as 50 to 70 pounds. The trim switch was found to be intermittent and subsequent examination confirmed this. The switch was found to be contaminated with, "... salt, dust, hairs and other organic materials." Corrosion of the switch contacts was also found.
Probable Cause: The failure of the aileron trim switch due to foreign material contamination.
Accident investigation:
 |
|
Sources:
NTSB CHI00IA221
History of this aircraft
Other occurrences involving this aircraft
| 16 August 2015 | PK-YRN | Trigana Air Service | 54 | 16,7 km NW of Oksibil Airport (OKL) |  |
w/o |
| CFIT | ||||||
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 25-Mar-2024 11:58 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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