# Incident 19970930035449I: Lear 55LEAR, Indianapolis, IN, September 30, 1997

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: September 30, 1997, 18:27 local time
- Place: Indianapolis, IN
- Airport: Indianapolis International
- Phase of flight: Normal Cruise
- Operating rules: General operating rules (Part 91)
- Location: 39.7173° N, 86.2946° W: Placed by OpenAirDocs at INDIANAPOLIS INTL (IND), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.7173&lon=-86.2946&mi=10
- Aircraft: N717HB, registered now (https://openairdocs.org/aircraft/N717HB) (OpenAirDocs)
- Registry model: Gates Learjet 55 (registry code 5170702, https://openairdocs.org/model/gates-learjet-55) (OpenAirDocs)
- Registry engine: Alliedsign TFE-731-2B (registry code 02502, https://openairdocs.org/engine/alliedsign-tfe-731-2b) (OpenAirDocs)
- Reported make and model: LEAR 55LEAR
- Reported engine: GARRTT TFE7313A
- People aboard: 2
- Fatal injuries: 0
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19970930035449I

## Narrative

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

NARRATIVE: ON SEPTEMBER 30, 1997 N717HB A LEARJET MODEL 55 MADE AN EMERGENCY LANDING AT THE INDIANAPOLIS, INDIANA INTERNATIONAL AIRPORT. WHILE IN CRUISE FLIGHT THE LEFT ENGINE OIL PRESSURE BEGAN TO FLUCTUATE. THE OIL PRESSURE STARTED TO DECREASE AND THE OIL TEMPERATURE BEGAN TO INCREASE. THE FLIGHT CREW DECLARED AN EMERGENCY AND DIVERTED THE FLIGHT TO INDIANAPOLIS. MAINTENANCE PERSONNEL FOUND THAT THE ENGINE HAD EXHAUSTED MOST OF THE OIL OVERBOARD. THE PRESSURIZATION/VENT VALVE WAS FOUND TO BE DEFECTIVE. THE PART WAS RETURNED TO GARRETT. PART NUMBER 3071564-2 SERIAL NUMBER 2-08145-1649. THIS INCIDENT IS CLOSED.

## Other reports on N717HB (2)

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

- [Incident 20171114018759I](https://openairdocs.org/incident/20171114018759I), Nov 14, 2017: Gates Learjet Corp 55 (N717HB), Chesterfield, MO, No damage. During flight on November 14th the master caution illuminated and a panel scan revealed a right engine fire light. Power was already fairly low at the time,…
- [Incident 20151220021239I](https://openairdocs.org/incident/20151220021239I), Dec 20, 2015: Gates Learjet Corp 55 (N717HB), Ontario, CA, No damage. Aircraft diverted to Ontario airport (ont) due to unsafe landing gear indicator illuminated. Aircraft landed without event after gear was verified down during…

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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