What was found
EMERGENCY LIGHT BAT 1 LO MSG. DEFERRED EMERGENCY LIGHTING SYSTEM PER MEL 33-50-4 C/W DMP 30-50-4 PLACARD INSTALLEDREPLACED POWER SUPPLY IAW MM 33-51-01, OPS CHK GOOD. REVERSE DMP 33-50-4, PLACARD REMOVED.
- Difficulty date
- May 20, 2021
- Submitted
- May 28, 2021
- Operation
- Air carrier
- Aircraft
- N257UP
- Make and model
- Doug MD11F
- Aircraft serial
- 48451
- Aircraft time
- 78,064 hours, 16,668 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Inoperative
- Location
- Emergency Light
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.