ASN Wikibase Occurrence # 377890
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| Date: | Friday 4 January 1985 |
| Time: | 17:10 LT |
| Type: |  Swearingen SA226-TC Metro II |
| Owner/operator: | Britt Airways |
| Registration: | N322BA |
| MSN: | TC-261 |
| Total airframe hrs: | 13923 hours |
| Engine model: | Airesearch TPE3313UW303G |
| Fatalities: | Fatalities: 0 / Occupants: 5 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | St. Louis, MO -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | St. Louis, MO (KSTL) |
| Evansville, IN | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
AFTER DEPARTING ST LOUIS AND REACHING CRUISE FLT THE CREW EXPERIENCED A CONTINUAL TRIM PITCH-UP WHICH HAD TO BE RELIEVED BY A REDUCED AIRSPEED. NO AURAL INDICATION WAS NOTED BY THE CREW. THE RETURN TO THE AIRPORT WAS UNEVENTFUL. FOLLOW-UP INSPECTION OF THE TRIM SYSTEM REVEALED A OUT OF TOLERANCE TRIM ACTUATOR WITH 355 OPERATIONAL HOURS SINCE O-TIME OVERHAUL. NORMAL LIFE FOR A TRIM ACTUATOR IS ABT 2000 HOURS. THIS UNIT WAS CERTIFIED AS O-TIME BY AN FAA CERTIFIED SHOP. A TEARDOWN INSPECTION OF THE TRIM ACTUATOR UNIT REVEALED THAT THE UNIT WAS NOT OVERHAULED TO SPECIFICATIONS OF THE UNIT MANUFACTURER. THE TRIM ACTUATOR WAS INADEQUATE FOR OPERATION AS OVERHAULED.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB MKC85IA045
History of this aircraft
Other occurrences involving this aircraft
| 16 August 1988 | N322BA | Britt Airways | 0 | Cleveland, OH | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 30-Mar-2024 17:30 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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