What was found
CABIN DOOR L4 EMER LT POWER PACK M33407 CAPACITY CHK FAIL REF HX NR WO.2594346, CABIN L4 EMER LT BATTERY PACK M33407 REPLACED AND INSTALLATION T EST CARRIED OUT WITH NORMAL RESULT AS PER AMM 33-51-06.
- Difficulty date
- December 22, 2023
- Submitted
- December 26, 2023
- Operation
- Air carrier
- Aircraft
- N78004
- Make and model
- Boeing 777224
- Aircraft serial
- 27580
- Aircraft time
- 113,955 hours, 11,827 cycles
- System (JASC)
- 3300 · Lighting System
- Part
- Battery Pack
- Part number
- ADD71701100
- Part serial
- 222098
- 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.