- Difficulty date
- August 3, 2023
- Submitted
- August 4, 2023
- Operation
- Air carrier
- Make and model
- Doug MD11F
- Aircraft serial
- 48574
- Aircraft time
- 74,014 hours, 15,965 cycles
- Part
- Battery
- Part number
- UNKNOWN
- Part serial
- NA
- Condition
- Discharged
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMER LT BAT 1 LO1. DEFERRED PER MEL 33-50-4 WITH M811071. DMP C/W PLACARD INSTALLED.REVERSED DMP & REVERSED DMP FOUND BATT LOW. REPLACED EMER LIGHTING POWER SUPPLY IAW MD11 AMM 33-51-01. OPS CHECK GOOD. THIS CLARS M811071, PLACARD REMOVED.