ASN Wikibase Occurrence # 364341
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| Date: | Sunday 20 October 1991 |
| Time: | 01:15 LT |
| Type: |  Nord 262A |
| Owner/operator: | Richmor Aviation Inc |
| Registration: | N29816 |
| MSN: | 101 |
| Total airframe hrs: | 13917 hours |
| Engine model: | P&W PT6-45 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Albany, NY -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Ferry/positioning |
| Departure airport: | |
| Hudson, NY (1B1) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A PROPELLER BLADE FAILED DURING TAKEOFF AND ENTERED THE FUSELAGE. THE CREW ABORTED THE TAKEOFF SUCCESSFULLY. METALLURGICAL EXAMINATION REVEALED THAT THE BLADE FAILED AS A RESULT OF 'MULTIPLE FATIGUE CRACK ORIGINS (WHICH) HAD EMANATED FROM CORROSION PITS ON THE BLADE BORE SURFACE.' THE BLADE BORE WAS SUPPOSED TO BE COATED WITH A CHROMATE CONVERSION TO INHIBIT CORROSION. ENERGY DISPERSIVE X-RAY SPECTROGRAPH (EDS) REVEALED NO EVIDENCE THAT THE CHROMATE CONVERSION COATING HAD BEEN ACCOMPLISHED.
Probable Cause: INADEQUATE QUALITY CONTROL DURING MAINTENANCE OR MANUFACTURING BY FAILING TO USE CORROSION INHIBITER, WHICH RESULTED IN CORROSION, FATIGUE, AND SUBSEQUENT FAILURE.
Accident investigation:
 |
|
Sources:
NTSB NYC92LA011
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Mar-2024 14:01 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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