What was found
REF T/C 78233001 BATTERY PACKS M1675, M1674, M1673, M1672 AND M1671 FAILED CAPACITANCE CHECK. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHTS BATTERY PACKS M1671, M1672, M1673, M1674 AND M1675 REF AMM 33-51-06. OPS CHECK GOOD.
- Difficulty date
- March 26, 2024
- Submitted
- March 27, 2024
- Operation
- Air carrier
- Aircraft
- N553AS
- Make and model
- Boeing 737890
- Aircraft serial
- 34594
- Aircraft time
- 60,312 hours, 21,098 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71702001
- Condition
- No Test
- 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.