What was found
DURING A BATTERY CAPACITY CONFIRMATION TEST, THE BATTERY PACK FAILED TO ILLUMINATE ASSOCIATED EMERGENCY LIGHTS. REPLACED THE BATTERY PACK, OPS CHECKED GOOD IAW MM 33-51-06.
- Difficulty date
- October 27, 2018
- Submitted
- October 29, 2018
- Operation
- Air carrier
- Aircraft
- N796AN
- Make and model
- Boeing 777223
- Aircraft serial
- 30796
- Aircraft time
- 71,755 hours, 9,058 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71702001
- Condition
- No Test
- Location
- Emergency Light
- Part time
- 30,796 hours, 71,755 cycles
- 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.