What was found
TWO VACUUM PUMPS WERE INSTALLED AT ENGINE CHANGE. THEY BOTH FAILED IN UNDER 25 HOURS. BOTH INTERNAL FAILURES. SHEARING THE DRIVE COUPLING. BOTH PURCHASED FROM MAFARLANE AVIATION ON 2/8/22. INVOICE 0453567IN.
- Difficulty date
- May 20, 2022
- Submitted
- June 2, 2022
- Operation
- General aviation
- Aircraft
- N955RH
- Make and model
- Beech 95B55
- Engine
- Cont IO470*
- System (JASC)
- 5300 · Fuselage Structure (General)
- Part
- Vacuum Sys
- Part number
- TEMPESTAA442CW14
- Part serial
- 012JE01
- Condition
- Failed
- Location
- Zone 100
- Stage of operation
- IN
- 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.