What was found
DURING EMERGENCY LIGHT TEST, FOUND "EMER LT BT 1 LO" MESSAGE REMOVED AND REPLACED EMER POWER SUPPLY BATTERY OPS CHECKS NORMAL,. DMP REVERSED PLACARD REMOVED. IAW MM 33-51-01
- Difficulty date
- March 26, 2024
- Submitted
- March 26, 2024
- Operation
- Air carrier
- Aircraft
- N257UP
- Make and model
- Doug MD11F
- Aircraft serial
- 48451
- Aircraft time
- 81,941 hours, 18,461 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- UNKNOWN
- Condition
- Discharged
- 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.