# SDR CALA2024122701679

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2024
- Submitted: December 27, 2024
- Operation: Air carrier
- Aircraft: [N13013](https://openairdocs.org/aircraft/N13013), registered now
- Make and model: Boeing 787-10
- Registry model: [Boeing 787-10](https://openairdocs.org/model/boeing-787-10) (OpenAirDocs)
- Aircraft serial: 40931
- Aircraft time: 20,221 hours, 2,656 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 100260201
- Part serial: ST20010932
- Condition: Inoperative
- Location: Zone 200
- Part time: 20,215 hours, 2,655 cycles
- 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/CALA2024122701679

## Discrepancy

WIRELESS EMERGENCY LIGHTING SYSTEM CONTROL UNIT BATTERY - REMOVAL PREPARE FOR THE REMOVAL - REMOVED AND REPLACED POSITION NUMBER 31 EMERGENCY WELS BATTERY REFERENCE CARD 79?3351 ?1 ?0008.

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