What was found
DURING EMERGENCY LIGHTING TEST, EAD SHOWING "BAT LO". LEFT BATTERY ON CHARGE FOR 1 HR, STILL SHOWING "BAT LO" DURING TEST EMERGENY LIGHTING BATTERY POWER SUPPLY R&R PER AMM 33-51-01/401. EMERGENCY LIGHTING CHECKS SERVICEABLE.
- Difficulty date
- October 1, 2024
- Submitted
- October 1, 2024
- Operation
- Air carrier
- Aircraft
- N278UP
- Make and model
- Doug MD11F
- Aircraft serial
- 48577
- Aircraft time
- 78,754 hours, 16,525 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 6044115
- Part serial
- 0339
- Condition
- Discharged
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L, J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.