- Difficulty date
- April 27, 2021
- Submitted
- April 30, 2021
- Operation
- Air carrier
- Make and model
- Doug MD11F
- Aircraft serial
- 48456
- Aircraft time
- 104,880 hours, 19,937 cycles
- Part
- Power Supply
- Condition
- No Test
- Location
- Emergency Lights
- 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.
What was found
INSPECTION TYPE:NA**SUPPLEMENTAL SDR** DURING PRE-FLIGHT EMER LT 8AT1LO ALERT CAME ON DURING THE EMERGENCY LIGHT TEST. DEFERRED PER MEL 33-50-4. C/W DMP 33-50-4. M742774 ASSIGNEDREPLACED BATT. EMERGENCY POWER SUPPLY REF AMM 33 51 01 401. OPS NORMAL.