# Accident 19920229004689A: Scwzer G164A, Vernalis, CA, February 29, 1992

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: February 29, 1992, 09:30 local time
- Place: Vernalis, CA
- Damage: Substantial damage
- Phase of flight: Low Level Operations
- Operating rules: Agricultural (Part 137)
- Location: 37.6103° N, 121.2505° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=37.6103&lon=-121.2505&mi=10
- Aircraft: N5408, a cancelled registration (https://openairdocs.org/deregistered/N5408-2007-06-25) (OpenAirDocs)
- Registry model: Grumman Acft ENG Cor-Schweizer G-164A (registry code 3952801, https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a) (OpenAirDocs)
- Registry engine: AiResearch TPE331 series (registry code 01517, https://openairdocs.org/engine/airesearch-tpe331-series) (OpenAirDocs)
- Reported make and model: SCWZER G164A
- Reported engine: GARRTT TPE331*
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 7,729 total, 1,773 in this make and model, 128 in the last 90 days
- NTSB investigation: [NTSB LAX92LA131](https://openairdocs.org/ntsb/LAX92LA131) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19920229004689A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

SECOND STAGE TURBINE INNER SEAL CONTACTED TURBINE WHEEL CAUSED ENGINE BLOWUP. AD ON PROBLEM NOT FULLY COMPLIED.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX92LA131](https://openairdocs.org/ntsb/LAX92LA131), Feb 29, 1992: Grumman G-164A (N5408), Vernalis, CA, substantial damage. Probable cause: THE OPERATOR'S FAILURE TO PROPERLY COMPLY WITH AN AIRWORTHINESS DIRECTIVE AFFECTING THE SECOND-STAGE TURBINE WHEEL ASSEMBLY. CONTRIBUTING TO THIS ACCIDENT WAS THE UNCONTAINED FAILURE OF THE…

## Other reports on N5408 (1)

Matched to the same aircraft by N-number and date.

- [Accident 19760410008079A](https://openairdocs.org/incident/19760410008079A), Apr 10, 1976: Gulstm G164C (N5408), Damon, TX, Substantial damage

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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