What was found
L4 DOOR EMERGENCY POWER ASSIST SYSTEM BATTERY, AMBER LIGHT DID NOT ILLUMINATE DURING TEST. MAINTENANCE REPLACED BATTERY PACK IAW AMM 52-11-20, AND PERFORMED SATISFACTORY OPERATIONAL CHECK IAW AMM 52-11-20-700-803-002.
- Difficulty date
- April 15, 2018
- Submitted
- April 16, 2018
- Operation
- Air carrier
- Aircraft
- N761AJ
- Make and model
- Boeing 777223
- Aircraft serial
- 31478
- Aircraft time
- 62,857 hours, 7,570 cycles
- System (JASC)
- 5210 · Passenger/Crew Doors
- Part
- Battery Pack
- Part number
- 285W0955102
- Part serial
- D02439
- Condition
- No Test
- Location
- L4 Door
- 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.