What was found
THE INABILITY OF THE VOLTAGE REGULATOR (PN 800397-501, SN 0165) TO CONTROLTHE OUTPUT OF THE ALTERNATOR WHEN THE BATTERY SWITCH WAS TOGGLED BETWEEN THE NR1 AND NR 2 BATTERY, IN FLIGHT. (K)
- Difficulty date
- July 24, 2006
- Submitted
- August 28, 2007
- Operation
- General aviation
- Aircraft
- N999JW
- Make and model
- Mooney M20R
- Aircraft serial
- 290293
- Engine
- Cont IO550*
- System (JASC)
- 2424 · AC Regulator
- Part
- Volt Regulator
- Part number
- 800397501
- Part serial
- 0162
- Condition
- Failed
- Part time
- 296 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.