Service difficulty report · Turbine Wheel · Doug DC1030

Difficulty date
January 5, 1999
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Doug DC1030
Engine
Ge CF650C2
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

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(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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