What was found
PILOT REPORTED WHINING NOISE COMING FROM ENGINE AND FELT A VIBRATION COMING THROUGH THE MIXTURE CONTROL CABLE. TROUBLESHOOTING, THE MECHANIC FOUND THE AIR PUMP WAS VIBRATING. NO PROBABLE CAUSE OR RECOMMENDATIONS AT THIS TIME. (K)
- Difficulty date
- July 21, 2005
- Submitted
- August 3, 2005
- Operation
- General aviation
- Aircraft
- N1569P
- Make and model
- Beech F33A
- Aircraft serial
- CE1300
- Engine
- Cont IO520BB
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Pump
- Part number
- AA3216CW
- Part serial
- 25272
- Condition
- Vibrates
- Location
- Engine
- Part time
- 320 hours
- Stage of operation
- NR
- 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.