What was found
AIRCRAFT GROUNDED - EMERGENCY PATH LIGHTING, ROWS 6-12, COMES ON INTERMITTENTLY. REPLACED WBU (WELS BATTERY UNIT) AT L1 DOOR PER AMM 33-51-07, ACCOMPLISHED WBU SYSTEM RE-KEY, ALL CHECKS NORMAL.
- Difficulty date
- May 13, 2020
- Submitted
- May 15, 2020
- Operation
- Air carrier
- Aircraft
- N818AL
- Make and model
- Boeing 7878
- Aircraft serial
- 40636
- Aircraft time
- 12,352 hours, 1,626 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 100260103
- Condition
- Defective
- Location
- Cabin
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.