What was found
LEFT ENGINE VACUUM PUMP EXHIBITED LOW PRESSURE INDICATION. REMOVED PUMP. FOUND SHAFT HARD TO ROTATE. IT DID NOT SHEAR AS EXPECTED. REPLACED PUMP.
- Difficulty date
- January 28, 1999
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N30MM
- Make and model
- Beech B60
- Aircraft serial
- D507
- System (JASC)
- 3710 · Vacuum Distribution System
- Part
- Pump
- Part number
- 442CW
- Condition
- Malfunctioned
- Location
- Lt Engine
- Part time
- 403 hours
- Component
- Airborne
- Stage of operation
- NR
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.