What was found
DURING PREFLIGHT LEVEL 1 EMER LT BAT 1 LO REPLACED EMERGENCY LIGHTING BATTERY POWER SUPPLY PER MD11 M/M 33-51-01-4 OPS CHECKS NORMAL PER MD11 M/M 33-51-01-5 RECHARGEABLE BAT POWER SUPPLY- GRIMES- P/N 60-4411-5 S/N OFF 0267.
- Difficulty date
- April 21, 2025
- Submitted
- April 21, 2025
- Operation
- Air carrier
- Aircraft
- N521FE
- Make and model
- Doug MD11F
- Aircraft serial
- 48478
- Aircraft time
- 91,333 hours, 17,930 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 6044115
- Part serial
- 0267
- Condition
- No Test
- Location
- Zone 200
- 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.