What was found
AIRCRAFT WAS NOT GROUNDED: WHILE PERFORMING W/C: 78T21033001 FOUND FAULT: MAINT MSG: 33-11311. MAINTENANCE REPLACED WIRELESS EMERGENCY LIGHTING SYSTEM CONTROL UNIT BATTERY WBU 11 W/ HARDWARE SERIAL NUMBER ST19120607 IAW AMM'33-51-07.
- Difficulty date
- October 26, 2024
- Submitted
- October 28, 2024
- Operation
- Air carrier
- Aircraft
- N816AA
- Make and model
- Boeing 7878
- Aircraft serial
- 40634
- Aircraft time
- 32,722 hours, 4,439 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 100260201
- Condition
- Faulted
- 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.