What was found
DISCREPANCY: LP 44589-3 - L/H UPPER DECK DOOR EMERGENCY POWER BATTERY WILL NOT TEST. CORRECTIVE ACTION: REMOVED AND REPLACED THE L/H UPPER DECK DOOR EMERGENCY POWER BATTERY POCK - OPS CHECK NORMAL. REFERENCE B747 AMM 52-23-14.
- Difficulty date
- January 10, 2021
- Submitted
- March 4, 2021
- Operation
- Air carrier
- Aircraft
- N756CA
- Make and model
- Boeing 747412
- Aircraft serial
- 26547
- Aircraft time
- 83,501 hours, 13,583 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 900835AB
- Part serial
- 104888
- Condition
- Discharged
- Location
- Upper Deck
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.