ASN Wikibase Occurrence # 311645
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| Date: | Thursday 31 December 2020 |
| Time: | 19:15 LT |
| Type: |  Cessna 501 |
| Owner/operator: | Interstellar Air LLC |
| Registration: | N75TL |
| MSN: | 5010016 |
| Engine model: | Pratt & Whitney Canada JT15D-1A |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Opa Locka, Florida -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Miami-Opa locka Executive Airport, FL (OPF/KOPF) |
| Willston, FL (X60) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The No. 1 (left) engine high pressure compressor (HPC) impeller developed a low cycle fatigue (LCF) crack that originated from a machining feature (groove) on the aft face of the impeller. The machining groove was created during the part manufacturing process. The LCF crack progressed to overload and resulted in an uncontained HPC impeller failure and secondary impact damage throughout the engine gaspath.
Pratt
Accident investigation:
 |
|
Sources:
NTSB ENG21LA011
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-May-2023 05:58 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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