- Difficulty date
- October 4, 2023
- Submitted
- October 6, 2023
- Operation
- Air carrier
- Make and model
- Boeing 767336
- Aircraft serial
- 24339
- Aircraft time
- 72,248 hours, 31,006 cycles
- Part
- Battery
- Part number
- 20131A
- Part serial
- 77392116919
- Condition
- Discharged
- Location
- Emergency Lights
- Part time
- 1,000 hours, 300 cycles
- 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.
What was found
UPON TESTING EMERGENCY LIGHTS LOCATED AT M735 & M1395 DID NOT ILLUMINATE