What was found
EMERGENCY LIGHT BATTERY PACK M1669 FAILED CAPACITY CHECK. EMERGENCY LIGHTING SYSTEM FUNCTIONAL CHECK. REPLACED EMERGENCY LIGHT BATTERY PACK M1669. SYS OP CKS GOOD. M.M 33-51-06-960-805.
- Difficulty date
- July 25, 2025
- Submitted
- July 28, 2025
- Operation
- Air carrier
- Aircraft
- N16703
- Make and model
- Boeing 737724
- Aircraft serial
- 28764
- Aircraft time
- 82,922 hours, 30,471 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- Condition
- No Test
- Location
- Zone 200
- 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.