- Difficulty date
- September 29, 2020
- Submitted
- September 30, 2020
- Operation
- Air carrier
- Aircraft
- N272UP
- Make and model
- Doug MD11F
- Aircraft serial
- 48571
- Aircraft time
- 67,558 hours, 17,599 cycles
- Part
- Battery Pack
- Condition
- Discharged
- Location
- Emergency Lights
- 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.
What was found
INSPECTION TYPE: NA EMERGENCY LT BAT 1 LOW. DEFERRED EMERGENCY LIGHTING SYSTEM, PER MEL 33-50-4 CW DMP 33-50-4. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY, PER MM 33-51-01-401. REVERSED DMP 33-50-4. OPERATIONS CHECKS GOOD. M721465 CLOSED. ESR 33-51-01-05-015.