Accident Air Tractor AT-301 N5510S, Friday 22 May 1987

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Date:	Friday 22 May 1987
Time:	07:30 LT
Type:	Air Tractor AT-301
Owner/operator:	Private
Registration:	N5510S
MSN:	3010122
Total airframe hrs:	4364 hours
Engine model:	P&W R1340-14B
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Weslaco, TX - United States of America
Phase:	Manoeuvring (airshow, firefighting, ag.ops.)
Nature:	Agricultural
Departure airport:	Edcouch, TX
Destination airport:
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
DURING AN AERIAL APPLICATION FLT THE ENG LOST PWR AND THE PLT MADE A FORCED LNDG. POST ACC DISASSEMBLY OF THE ACFT ENG REVEALED THE FAILURE OF AN IMPELLER BEARING WHICH RESULTED IN THE FAILURE OF THE ENG.

Probable Cause:

Accident investigation: