What was found
AIRCRAFT IN BASE MAINTENANCE: (WELS) WIRELESS EMERGENCY LIGHTING SYSTEM WILL NOT ACCEPT SOFTWARE LOAD AT SEAT 9D. REMOVE AND REPLACED WELS CONTROL UNIT.
- Difficulty date
- November 14, 2024
- Submitted
- November 15, 2024
- Operation
- Air carrier
- Aircraft
- N811AB
- Make and model
- Boeing 7878
- Aircraft serial
- 40629
- Aircraft time
- 33,730 hours, 4,557 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Control Unit
- Part number
- 100260103
- Condition
- Faulty
- 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.