Service difficulty report · Turbine Case · Dhav DHC8314

Difficulty date
May 28, 2010
Submitted
January 4, 2011
Operation
Air carrier
Make and model
Dhav DHC8314
Aircraft time
25,270 hours
Engine
Pwa PW123
Part
Turbine Case
Condition
Chafed
Location
Engine
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

ENGINEERING INVESTIGATION REPORT EIR PW100 2010-036, TREND MONITORING DETECTED DEGRADATION OF ENGINE PERFORMANCE. FURTHER INVESTIGATION REVEALED HEAVY TIP RUB ON THE HP TURBINE RESULTING IN EXCESSIVE HP TURBINE BLADE CLEARANCES.