What was found
DURING THE EMERGENCY LIGHTS TEST, RECEIVED 'L AFT EPSU' MESSAGE. MAINTENANCE REPLACED THE AFT LEFT EMERGENCY POWER SUPPLY UNIT BATTERIES. OPERATIONALLY CHECKS OK. (M)
- Difficulty date
- July 1, 2003
- Submitted
- July 22, 2003
- Operation
- Air carrier
- Aircraft
- N766US
- Make and model
- Airbus A319112
- Aircraft serial
- 1378
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321430
- Condition
- Inoperative
- Location
- Emergency Light
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.