What was found
EMERGENCY BATTERY PACK FAILED DURING ROUTINE MAINTENANCE CHECK
- Difficulty date
- December 9, 2019
- Submitted
- December 9, 2019
- Operation
- Air carrier
- Aircraft
- N959BP
- Make and model
- Boeing 7377BD
- Aircraft serial
- 36720
- Aircraft time
- 12,245 hours, 9,156 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71701100
- Part serial
- 462935
- Condition
- Discharged
- Location
- Emergency Lights
- Part time
- 4,898 hours, 3,685 cycles
- 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.