What was found
AIRCRAFT WAS NOT GROUNDED. AIRPLANE HEALTH MONITORING SERVICING ALERTS RECEIVED FOR WIRELESS EMERGENCY LIGHTING SYSTEM. REMOVED AND REPLACED WELS CONTROL UNIT AT R4 DOOR IAW DMC-B787-A-33-51-07. OPERATIONAL CHECK GOOD.
- Difficulty date
- April 5, 2017
- Submitted
- April 10, 2017
- Operation
- Air carrier
- Aircraft
- N812AA
- Make and model
- Boeing 7878
- Aircraft serial
- 40630
- Aircraft time
- 5,745 hours, 563 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Control Unit
- Part number
- 100260103
- Part serial
- 1144542
- Condition
- Faulty
- Location
- Cabin
- Stage of operation
- UK
- 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.