ASN Wikibase Occurrence # 179295
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| Date: | Friday 2 July 2004 |
| Time: | 13:30 |
| Type: |  Grumman G-164A Ag-Cat |
| Owner/operator: | Downstown Airport Inc |
| Registration: | N915X |
| MSN: | 434 |
| Year of manufacture: | 1967 |
| Total airframe hrs: | 5553 hours |
| Engine model: | Pratt & Whitney R-1340 AN-1 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Chatsworth, NJ -
 United States of America
|
| Phase: | Take off |
| Nature: | Agricultural |
| Departure airport: | Chatsworth, NJ |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Shortly after takeoff, and about 100 feet above the ground, the airplane's engine began to lose power. The pilot began to dump the load of fertilizer the airplane was carrying and then performed a forced landing into a cranberry bog. After touchdown, the airplane nosed over. An inspection of the engine revealed that the impeller shaft of the blower section of the engine was bent, and its surface was discolored from heat and exhibited signs of rotational scoring. A 1/16-inch oil passage that lubricated the impeller shaft bearings was found blocked.
Probable Cause: A blocked internal oil passage, which resulted in inadequate lubrication of the blower impeller shaft, and the subsequent partial loss of engine power.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20040726X01062&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-Sep-2015 14:20 | Noro | Added |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 07-Dec-2017 18:14 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Source, Narrative] |
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