Service difficulty report · Shroud

Difficulty date
December 16, 1999
Submitted
March 26, 2000
Operation
General aviation
Engine
Ge CF680C
Part
Shroud
Part number
1646M45P11
Condition
Disbonded
Location
Engine
Stage of operation
IN
Nature of condition
O
Precautionary procedure
K

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

What was found

25 EACH CF-6-80C2 STAGE 1 HPT SHROUDS WITH 400 CYCLES AND 2,000 HOURS WERE RECEIVED AND EXHIBITED PARTIAL DISBONDMENT OF THE WEARCOAT MATERIAL FROM SUBSTRATE. PW ENGINEERING STATED THIS IS NOT A SAFETY OF FLIGHT ISSUE. ROOT CAUSE IS UNDER INVESTIGATION.