What was found
DRIVE COUPLING SHEARED FOLLOWING PUMP FAILURE. PUMPS SEEM TO ONLY RUN ABOUT 400 HOURS PRIOR TO FAILURE. SUBMITTER HAS 5 AIRCRAFT RUNNING 2 EACH PER AIRCRAFT.
- Difficulty date
- February 27, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N252MA
- Make and model
- Piper PA31P
- Aircraft serial
- 31P33
- System (JASC)
- 3710 · Vacuum Distribution System
- Part
- Pump
- Part number
- 842CW
- Condition
- Shaft Failed
- Location
- Vac Drive
- Part time
- 275 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.