# SDR CALA2025012300178

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2025
- Submitted: January 23, 2025
- Operation: Air carrier
- Aircraft: [N2243U](https://openairdocs.org/aircraft/N2243U), registered now
- Make and model: Boeing 777-300ER
- Registry model: [Boeing 777-300ER](https://openairdocs.org/model/boeing-777-300er) (OpenAirDocs)
- Aircraft serial: 63723
- Aircraft time: 32,252 hours, 3,527 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: D71701100
- Condition: Discharged
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025012300178

## Discrepancy

DR3 LH EMER PWR PACK M33301 CAPACITY LOW TRANSFER REF NON - ROUTINE WO.4339493 AND DR3 LH EMER PWR PACK M33301 REPLACED AND TESTED NORMAL IAW AMM33-51-06.

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