SDR 96ZZZX5837

Service difficulty report · Pump · Piper PA31P

Difficulty date
October 30, 1996
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N110SK
Make and model
Piper PA31P
Aircraft serial
31P7630006
Part
Pump
Part number
842CW
Condition
Shaft Sheared
Location
Vac Sys
Part time
370 hours
Component
Airborne
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

PUMP WAS INSTALLED ON FRESH O/H ENG 9-15-95, PUMP NEW FROM AIRBORNE, FAILED AT 369.6 HRS 10-30-96. SEIZED AND SHEARED SHAFT. FAILURE RATE ON THESE PUMPS FROM SUBMITTERS EXPERIENCE IS QUITE HIGH. ABOUT 50 PERCENT FAIL JUST PAST THIS WARRANTY TIME OF 1 YR OR 400 HRS.

More about the Piper PA-31P