What was found
EMERGENCY LIGHT POWER SUPPLY BATTERY PACK AT DOOR 4L FAILED OPER ATIONAL TEST. REF SIAEC N/R ELE0070 POWER SUPPLY BATTERY PACK AT DOOR 4L (M33400) REPLACED AND TESTE D STIAFACTORY AS PER AMM 33-51-06. WPB L3035, REF SIAEC N/R ELE0070
- Difficulty date
- March 13, 2023
- Submitted
- March 13, 2023
- Operation
- Air carrier
- Aircraft
- N2135U
- Make and model
- Boeing 777300ER
- Aircraft serial
- 62646
- Aircraft time
- 24,413 hours, 2,729 cycles
- System (JASC)
- 3300 · Lighting System
- Part
- Battery Pack
- Part number
- D71701100
- Condition
- No Test
- Location
- Dr 4l (M33400)
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.