ASN Wikibase Occurrence # 360547
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| Date: | Wednesday 27 April 1994 |
| Time: | 09:00 LT |
| Type: |  Beechcraft 1900C |
| Owner/operator: | Great Lakes Aviation |
| Registration: | N141UE |
| MSN: | UC141 |
| Total airframe hrs: | 6430 hours |
| Engine model: | P&W PT6A-65-B |
| Fatalities: | Fatalities: 0 / Occupants: 21 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Cheyenne, WY -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Bismarck, ND (KBIS) |
| Denver, CO (KDEN) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE ON A SCHEDULED PASSENGER FLIGHT AT 15,000 FEET MSL, AND WHILE PASSING OVER CHEYENNE, WYOMING, THE AIRCRAFT LOST PART OF A PROPELLER BLADE FROM THE LEFT ENGINE. THE ENGINE WAS SECURED, AND DUE TO INCLEMENT WEATHER IN THE CHEYENNE AREA, THE FLIGHT PROCEEDED TO ITS SCHEDULED DESTINATION IN DENVER, COLORADO, WHERE IT LANDED WITHOUT INCIDENT. THE PROPELLER BLADE WAS REMOVED AND TESTED AT BOTH THE MANUFACTURER'S FACILITIES AND AT THE MATERIALS LABORATORY AT WRIGHT PATTERSON AIR FORCE BASE. THE WRIGHT PATTERSON LABORATORY PROVIDED INFORMATION THAT THERE WAS A PROBABLE NICK OR GOUGE IN THE LEADING EDGE OF THE BLADE AT THE FAILURE POINT. THE SOURCE OF THAT DAMAGE WAS NOT DISCOVERED DURING THE COURSE OF THE INVESTIGATION.
Probable Cause: A PARTIAL FAILURE OF THE LEADING EDGE TIP PORTION OF ONE OF THE LEFT ENGINE PROPELLER BLADES DUE TO PREVIOUS IMPACT DAMAGE FROM AN UNKNOWN SOURCE.
Accident investigation:
 |
|
Sources:
NTSB FTW94IA139
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Mar-2024 08:33 | ASN Update Bot | Added |
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