Service difficulty report · Pump · Skrsky S92A

Difficulty date
March 20, 2012
Submitted
September 14, 2015
Operation
Air carrier
Make and model
Skrsky S92A
Aircraft time
430 hours
Engine
Ge CT78A
Part
Pump
Part number
9235115008
Condition
Vibration
Location
M/R Gearbox Oil
Part time
1,614 hours
Stage of operation
IN
How discovered
9
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

(CAN) HUMS ADMINISTRATOR ADVISED OF AN INCREASING TREND RELATED TO THE NR 1 MGB LUBE PUMP OPERATION. DUE TO THIS STEADILY INCREASING TREND, A DECISION WAS MADE TO REPLACE THE PUMP. FOLLOWING REPLACEMENT OF THE PUMP, AND ALTHOUGH ONLY A SHORT PERIOD ELAPSED THE TREND DID NOT CHANGE.