# Incident 19920831046929I: Saab 340B, Chattanooga, TN, August 31, 1992

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: August 31, 1992, 16:00 local time
- Place: Chattanooga, TN
- Airport: Lovell Field
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Air carrier (Part 121)
- Operator: NVEA
- Location: 35.0007° N, 85.2299° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=35.0007&lon=-85.2299&mi=10
- Aircraft: N245AE, a cancelled registration (https://openairdocs.org/deregistered/N245AE-2018-03-12) (OpenAirDocs)
- Registry model: Saab-Scania SAAB 340B (registry code 7860101, https://openairdocs.org/model/saab-scania-saab-340b) (OpenAirDocs)
- Registry engine: GE CT7-SER series (registry code 30031, https://openairdocs.org/engine/ge-ct7-ser-series) (OpenAirDocs)
- Reported make and model: SAAB 340B
- Reported engine: GE CT79B
- People aboard: 26
- Fatal injuries: 0
- Pilot flight hours: 3,234 total, 1,000 in this make and model, 197 in the last 90 days
- NTSB investigation: [NTSB ATL92IA169](https://openairdocs.org/ntsb/ATL92IA169) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19920831046929I

## Narrative

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

LOST LEFT ENGINE POWER EN ROUTE. SECURED ENGINE. DIVERTED. FOUND 4 INCH CRACK IN LEFT PROPELLER GEAR BOX.

## 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 ATL92IA169](https://openairdocs.org/ntsb/ATL92IA169), Aug 31, 1992: Saab-Scania 340B (N245AE), Chattanooga, TN, incident, no damage. Probable cause: THE FAILURE AND SUBSEQUENT SEIZURE OF THE REDUCTION GEAR BOX, AND THE FAILURE OF THE PROPELLER CONTROL UNIT AS A RESULT OF CONTAMINATED OIL SUPPLY WHICH IS SHARED WITH THE GEAR BOX.

## Other reports on N245AE (2)

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

- [Incident 20001211040529I](https://openairdocs.org/incident/20001211040529I), Dec 11, 2000: Saab 340B (N245AE), Paso Robles, CA. (-23) While at 14,000" level cruise, the flight heard a loud pop from the left engine. The left engine torque began to drop toward zero. The propeller did not…
- [Incident 19930313008229I](https://openairdocs.org/incident/19930313008229I), Mar 13, 1993: Saab 340B (N245AE), Rochester, NY. Malfunction of air data computer. Left side instruments unreliable. Landed safely. New computer installed.

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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