What was found
AIRCRAFT WAS NOT GROUNDED: PREFORMED EMERGENCY LIGHTING SYSTEM OPERATIONAL TEST, FOUND FAULT MESSAGES 33-11416, 33-11411, 33-11311. REPLACED #11 WIRELESS BATTERY UNIT PER AMM 33-51-07.
- Difficulty date
- June 5, 2021
- Submitted
- June 7, 2021
- Operation
- Air carrier
- Aircraft
- N821AN
- Make and model
- Boeing 7879
- Aircraft serial
- 40640
- Aircraft time
- 17,789 hours, 1,957 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- No Test
- Location
- Emergency Lights
- 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.