# SDR CALA2026032914883

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2026
- Submitted: March 30, 2026
- Operation: Air carrier
- Aircraft: [N2341U](https://openairdocs.org/aircraft/N2341U), registered now
- Make and model: Boeing 777-300ER
- Registry model: [Boeing 777-300ER](https://openairdocs.org/model/boeing-777-300er) (OpenAirDocs)
- Aircraft serial: 63721
- Aircraft time: 38,437 hours, 4,098 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Condition: No Test
- 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/CALA2026032914883

## Discrepancy

THE EMERGENCY LIGHT POWER SUPPLY   BATTERY PACK (M33097) AT THE DOOR 2R FOUND LOW CAPACITY . REPLACED THE EMERGENCY LIGHT POWER SUPPLY BATTERY PACK M33097 AT THE DOOR 2R AND CARRIED OUT INSTALLATION TEST. THE TEST WAS NORMAL.

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