What was found
FLT 35 - PHX - EEL - DURING EMERGENCY LIGHT BATTERY TEST, EMERGENCY POWER SUPPLY UNITS 11WL AND 12WL FAILED. MAINTENANCE REPLACED BATTERIES AT EMERGENCY POWER SUPPLIES 11WL AND 12WL. OPERATIONAL TEST NORMAL.
- Difficulty date
- July 30, 2009
- Submitted
- July 31, 2009
- Operation
- Air carrier
- Aircraft
- N620AW
- Make and model
- Airbus A320231
- Aircraft serial
- 52
- Aircraft time
- 63,854 hours, 28,589 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321430
- Condition
- Failed
- Location
- Cabin
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.