What was found
LEAD ACID BATTERY HAS WEAK POWER OUTPUT. VOLTAGE DROPS TO 15-16 VOLTS DURING STARTS AND SHOWS A CONSTANT HIGH RATE OF CHARGE IN-FLIGHT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
- Difficulty date
- March 7, 2002
- Submitted
- May 20, 2002
- Operation
- Air carrier
- Aircraft
- N625MB
- Make and model
- Bolkms BK117A4
- Aircraft serial
- 7108
- Engine
- Lyc LTS101600A
- System (JASC)
- 2432 · Battery/Charger System
- Part
- Battery
- Part number
- RG390E
- Part serial
- CBC414739
- Condition
- Discharged
- Location
- Main
- Part time
- 6,766 hours
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.