What was found
AD 2018-14-02 SUPPORT TASK- DR 4R EMER LIGHT PWR SUPPLY M33408 T EST FAIL.REFER NR L/P:9131218 DR 4R EMER LIGHT BATTERY PACK AND CHARGER REPLACED AS PER AMM 33-51-06 AND TESTED NORMAL AS PER AMM 33-51-06.
- Difficulty date
- April 22, 2021
- Submitted
- April 22, 2021
- Operation
- Air carrier
- Aircraft
- N78008
- Make and model
- Boeing 777224
- Aircraft serial
- 29478
- Aircraft time
- 103,547 hours, 10,338 cycles
- System (JASC)
- 3300 · Lighting System
- Part
- Battery
- Part number
- ADD71701100
- Part serial
- 152588
- Condition
- Failed
- Location
- Emergency Lights
- 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.