# SDR CA990111060

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Engine: Lyc ALF502R5
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Failed
- Location: Nr 4
- Stage of operation: TO
- Nature of condition: Y
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA990111060

## Discrepancy

(CAN) ON TAKEOFF, A LOUD BANG WAS HEARD AND NR 4 ENGINE SPOOLED DOWN.  SPARKS WERE OBSERVED COMING FROM THE ENGINE AND THE FOURTH STAGE BLADES WERE DESTROYED.  CAUSE UNKNOWN AT THIS TIME, FURTHER REPORT TO FOLLOW.   PART TC:  3,840.

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