What was found
WIRELESS EMERGENCY LIGHTING SYSTEM CONTROL UNIT BATTERY - REMOVAL PREPARE FOR THE REMOVAL - WBU 21 NEEDS REPLACEMENT REMOVED AND REPLACED WBU 21 PER WORK CARD 79-3351-1-0008. OPS CHK GOOD.
- Difficulty date
- December 27, 2024
- Submitted
- December 31, 2024
- Operation
- Air carrier
- Aircraft
- N17015
- Make and model
- Boeing 78710
- Aircraft serial
- 66984
- Aircraft time
- 9,012 hours, 1,126 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- No Test
- Location
- Zone 200
- 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.