# Incident 20070331003859I: Lear 60LEAR, Thermal, CA, March 31, 2007

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: March 31, 2007, 09:27 local time
- Place: Thermal, CA
- Damage: Minor damage
- Phase of flight: Normal Cruise
- Operating rules: Air taxi and commuter (Part 135)
- Operator: J7SA
- Location: 33.8492° N, 116.5603° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=33.8492&lon=-116.5603&mi=10
- Aircraft: N244FX (not matched to a registry record)
- Reported make and model: LEAR 60LEAR
- Reported engine: PWA PW305A
- People aboard: 3
- Fatal injuries: 0
- Pilot flight hours: 7,700 total, 3,500 in this make and model, 100 in the last 90 days
- NTSB investigation: [NTSB ENG07IA018](https://openairdocs.org/ntsb/ENG07IA018) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20070331003859I

## Narrative

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

(-23) WHILE CRUISING AT FL410, A #1 ENGINE COMPRESSOR BLADE SEPARATED FROM THE COMPRESSOR WHEEL, AND FODDED OUT THE ENGINE. VIBRATION FROM THE ENGINE CAUSED THE ENTIRE #1 ENGINE COWL TO SEPARATE FROM THE AIRCRAFT.

## 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 ENG07IA018](https://openairdocs.org/ntsb/ENG07IA018), Mar 31, 2007: Learjet (N244FX), Palm Springs, CA, incident, minor damage. Probable cause: The fatigue fracture of the fan blade due to the blade vendor's improper setup of the forging dies, which resulted in fan blades with airfoils that were below the minimum thickness in the highest…

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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