# SDR CA990310053

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Doug DC-10-30
- Registry model: [Doug DC-10-30](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30) (OpenAirDocs)
- Engine: Ge CF650C2
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Turbine Wheel
- Condition: Cracked
- Location: Nr 1 Engine
- Part time: 63,562 hours
- Stage of operation: LD
- Nature of condition: B
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA990310053

## Discrepancy

(CAN) DURING LANDING ROLL, AFTER THRUST REVERSER CANCELLED, SPARKS WERE SEEN FROM REAR OF NR 1 ENGINE.  INSPECTION REVEALED METAL IN THE EXHAUST.  DISASSEMBLY FOUND LP TURBINE ASSEMBLY DAMAGED.  DISCOURAGER LEG OF NR 1 AIR SEAL HAD PIECES MISSING WITH CRACKING AND EROSION, WITH EVIDENCE OF OXIDIZATION AT CRACK LOCATIONS IN TWO PLACES OF THE FILLET WELD AREAS.

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