# Incident 19901015053979I: Gulstm 500S, Milwaukee, WI, October 15, 1990

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: October 15, 1990, 23:45 local time
- Place: Milwaukee, WI
- Airport: General Mitchell Field
- Phase of flight: Other Ground Ops
- Operating rules: Air taxi and commuter (Part 135)
- Operator: BDHA
- Location: 42.9469° N, 87.8971° W: Placed by OpenAirDocs at GENERAL MITCHELL INTL (MKE), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.9469&lon=-87.8971&mi=10
- Aircraft: N37GW, a cancelled registration (https://openairdocs.org/deregistered/N37GW-1992-02-07) (OpenAirDocs)
- Registry model: Aero Commander 500 S (registry code 0141107, https://openairdocs.org/model/aero-commander-500-s) (OpenAirDocs)
- Reported make and model: GULSTM 500S
- Reported engine: LYC IO540*
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 5,847 total, 150 in this make and model, 150 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19901015053979I

## Narrative

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

ON PREFLIGHT FOUND OIL LEAK AT PROPELLER FLANGE. ATTACH STUDS BROKEN. TWO 0 RING SEALS USED INSTEAD OF 1 AT FLANGE.

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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