What was found
EMERGENCY LIGHT BATTERY PACK M1670 FAILED CAPACITY CHECK. REPLACED M1670 BATTERY PACK IAW AMM 33-51-06-960-806.
- Difficulty date
- December 9, 2025
- Submitted
- December 10, 2025
- Operation
- Air carrier
- Aircraft
- N27722
- Make and model
- Boeing 737724
- Aircraft serial
- 28789
- Aircraft time
- 83,131 hours, 30,479 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.