What was found
AIRCRAFT WAS NOT GROUNDED: FOUND MAINTENANCE MESSAGE 33-11408, WELS CONTROL UNIT #8 BATTERY DEGRADED. REPLACED BATTERY PER AMM 33-51-07.
- Difficulty date
- August 28, 2021
- Submitted
- August 31, 2021
- Operation
- Air carrier
- Aircraft
- N805AN
- Make and model
- Boeing 7878
- Aircraft serial
- 40623
- Aircraft time
- 21,858 hours, 2,831 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Discharged
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.