ASN Wikibase Occurrence # 290982
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| Date: | Sunday 21 June 2015 |
| Time: | 06:00 LT |
| Type: |  Grumman G-164A |
| Owner/operator: | Kennys Crop Dusting Inc |
| Registration: | N8598H |
| MSN: | 1429 |
| Year of manufacture: | 1975 |
| Total airframe hrs: | 3952 hours |
| Engine model: | Pratt & Whitney R-1340-59 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Five Points, California -
 United States of America
|
| Phase: | Take off |
| Nature: | Agricultural |
| Departure airport: | Five Points, CA |
| Five Points, CA | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that, shortly after takeoff for the aerial application flight, the engine lost power. The pilot subsequently initiated a forced landing to a field. The airplane impacted the ground and flipped over.
The engine manufacturer's table of limits specified that the minimum side clearance/tolerance between a starter shaft circumference and a starter shaft bushing should be 0.002 inch. However, during postaccident examination, there was no measurable clearance between the starter shaft circumference and the starter shaft bushing, which impeded oil flow to the impeller shaft and bearings and resulted in the failure of the supercharger-blower due to a lack of lubrication. The engine had accumulated 2.0 hours since its last major overhaul, and it is likely that maintenance personnel improperly reassembled the engine during the overhaul.
Probable Cause: Maintenance personnel's improper reassembly of the engine during overhaul, which led to the failure of the supercharger-blower due to a lack of lubrication and the subsequent total loss of engine power during takeoff.
Accident investigation:
 |
|
Sources:
NTSB WPR15LA194
History of this aircraft
Other occurrences involving this aircraft
| 8 August 1996 | N8598H | Kennys Crop Dusting, Inc. | 0 | Caruthers, CA | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 07-Oct-2022 08:06 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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