ASN Wikibase Occurrence # 198554
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| Date: | Friday 27 May 2016 |
| Time: | 09:15 |
| Type: |  Cessna 402B |
| Owner/operator: | Private |
| Registration: | N76MD |
| MSN: | 402B1055 |
| Year of manufacture: | 1977 |
| Total airframe hrs: | 13479 hours |
| Engine model: | Continental TSIO-520-E |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Sioux Falls, SD -
 United States of America
|
| Phase: | Approach |
| Nature: | Training |
| Departure airport: | Sioux Falls, SD (FSD) |
| Sioux Falls, SD (FSD) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial pilot in the left seat and the airline transport pilot in the right seat were conducting new-hire training for the left-seat pilot. While maneuvering for a practice approach, the pilots noticed the left engine was running rough. The left-seat pilot activated the auxiliary fuel pump, and the roughness resolved temporarily. Shortly thereafter, the left engine tachometer went to zero, and the left-seat pilot noticed flames emitting from the left engine cowling. The pilots declared an emergency, secured the left engine, and landed the airplane uneventfully; the wing structure was damaged by the fire. Examination of the left engine revealed thermal damage to the No. 4 cylinder, consistent with a preexisting crack condition that allowed exhaust gas to erode the cylinder head and resulted in an engine fire.
Probable Cause: The failure of the No. 4 cylinder head, which resulted in an engine fire and subsequent damage to the wing structure.
Accident investigation:
 |
|
Sources:
NTSB
History of this aircraft
Other occurrences involving this aircraft
| 24 November 2023 | N76MD | Private | 1 | nr Panama City Albrook-Marcos A. Gelabert International Airport (PAC) |  |
w/o |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Aug-2017 07:29 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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