ASN Wikibase Occurrence # 381337
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Date: | Monday 25 July 1983 |
Time: | 08:30 LT |
Type: | Grumman G-164A Ag-Cat |
Owner/operator: | Harman Air Service Inc. |
Registration: | N4866 |
MSN: | |
Engine model: | Continental IO-520-D |
Fatalities: | Fatalities: 0 / Occupants: 0 |
Aircraft damage: | Unknown |
Category: | Accident |
Location: | Chilton, TX -
United States of America
|
Phase: | |
Nature: | Agricultural |
Departure airport: | |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:DURING THE 1ST SWATH RUN THE PROP SEPARATED FROM THE ENG. A FORCED LANDING WAS MADE IN A PLOWED FIELD SHEARING ONE MAIN LANDING GEAR. THE ACFT THEN WENT THROUGH A BARBED WIRE FENCE. THE #4 CYLINDER WAS REMOVED TO INSPECT THE VIBRATION DAMPER PINS IN ACCORDANCE WITH AD 82-23-04. THE TRAILING PIN ON THE REAR VIBRATION DAMPER EVIDENCED CONSIDERABLE WEAR. THE WEAR HAD PROGRESSED TO THE POINT THAT THE DAMPER HAD BEEN DISPLACED FROM ITS NORMAL POSITION TO A POINT CAUSING INTERFERENCE WITH THE SKIRTS OF THE #2 & #3 PISTONS. THIS WEAR, IN ADDITION WITH MINOR WEAR TO THE LEADING PIN, CAUSED VIBRATION & SUBSEQUENT PROP SEPARATION. TWO DAYS AFTER THE ACCIDENT, AD 83-15-06 WAS ISSUED GROUNDING ALL ACFT WITH THE PROP-ENG COMBINATION THAT WAS INSTALLED ON THIS ACFT.
Probable Cause:
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | FTW83LA351 |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
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Sources:
NTSB FTW83LA351
Revision history:
Date/time | Contributor | Updates |
02-Apr-2024 02:22 |
ASN Update Bot |
Added |
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