- Difficulty date
- December 1, 2020
- Submitted
- December 4, 2020
- Operation
- Air carrier
- Make and model
- Doug MD11F
- Aircraft serial
- 48472
- Aircraft time
- 88,531 hours, 15,918 cycles
- Part
- Battery Pack
- Condition
- Inoperative
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PREFLT GOT EMERGENCY LIGHT BAT 1 LO MESSAGE DURING EMERGENCY LIGHT TEST. DEFERRED EMERGENCY LIGHT SYSTEM, IAW MEL 33 50 4 DMP C/W M 727568 ASSIGNED. R & R EMERGENCY LIGHT BATTERY, IAW AMM 33-51-01. OPERATIONS CHECK GOOD. DMP REVERSED. PLACARD REMOVED. EFF SOURCE REF AIPC 33-51-01-05.