# SDR U2RA2023012600003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2023
- Submitted: January 27, 2023
- Operation: Air carrier
- Aircraft: [N702CA](https://openairdocs.org/aircraft/N702CA), registered now
- Make and model: Boeing 747412
- Aircraft serial: 27217
- Aircraft time: 85,886 hours, 13,318 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/U2RA2023012600003

## Discrepancy

L/H UPPER DECK DOORWAY EMERGENCY LIGHTING BATTERY PACK FOUND ON THE FLOOR AFTER LANDING.   REINSTALLED BATTERY PACK AS REQUIRED - BATTERY PACK INOPERATIVE.  PLACED ON DEFERRAL PER B747 MEL 52-23-02-01.  ON 01/25/2023, BATTERY PACKS FOR LEFT AND RIGHT DOORS SWAPPED WITH BOTH SYSTEMS WORKING NORMALLY.  DMI CLOSED.

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