# SDR CALA2026031814653

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2026
- Submitted: March 18, 2026
- 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: 37,461 hours, 4,068 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Condition: Discharged
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026031814653

## Discrepancy

THE EMERGENCY LIGHT BATTERY PACK DEEP CYCLE CHECK FOUND BATTERY LOW ON THE DOOR 1R POWER SUPPLY M33094.. REPLACED BATTERY PACK ON THE R1 DOOR POWER SUPPLY M33094, THEN PERFORMED INSTALLATION TEST, THE RESULT WAS NORMAL IAW AMM 33-51-06-960-802 REV 106.

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