What was found
STANDBY TEST FAILED. MAIN BATTERY DOES NOT RECHARGE. MAIN BATTERY CHARGER WAS REPLACED.
- Difficulty date
- July 26, 2012
- Submitted
- August 10, 2012
- Operation
- Air carrier
- Aircraft
- N121UA
- Make and model
- Boeing 747422
- Aircraft serial
- 29167
- Aircraft time
- 55,594 hours, 6,523 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2432 · Battery/Charger System
- Part
- Charger
- Part number
- 425402
- Part serial
- 246
- Condition
- Failed
- Location
- Battery
- 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.