What was found
EMERGENCY BATTERY PACK (M1668) FAILED DEEP CYCLE CHECK<[01] REMOVED AND INSTALLED EMERGENCY BATTERY PACK M1668 AS PER REF AMM 33-51-06-960-805. TEST NORMAL;[02] VERIFIED STEP #1
- Difficulty date
- June 10, 2023
- Submitted
- June 15, 2023
- Operation
- Air carrier
- Aircraft
- N437WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29832
- Aircraft time
- 66,985 hours, 39,591 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Failed
- Location
- Zn 200 Fus Top
- 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.