What was found
ALL SEVEN EMERGENCY LIGHTING BATTERY PACKS FAIL CAPACITY TEST / [01] REMOVED AND REPLACED CABIN EMERGENCY LIGHT BATTERY PACKS AT POSITIONS M1668;M1669;M1670;M1672;M1673;M1674; AND M1675 PER AMM 33-51-06 AND ENG DWG 33500005
- Difficulty date
- July 19, 2022
- Submitted
- July 25, 2022
- Operation
- Air carrier
- Aircraft
- N449WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 32469
- Aircraft time
- 62,769 hours, 37,358 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- M1668
- Condition
- Failed
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.