# SDR CALA2026070517540

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 4, 2026
- Submitted: July 6, 2026
- Operation: Air carrier
- Aircraft: [N2748U](https://openairdocs.org/aircraft/N2748U), registered now
- Make and model: Boeing 777-300ER
- Registry model: [Boeing 777-300ER](https://openairdocs.org/model/boeing-777-300er) (OpenAirDocs)
- Aircraft serial: 64994
- Aircraft time: 33,463 hours, 3,737 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Charger
- Part number: D71702001
- Condition: Inoperative
- 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/CALA2026070517540

## Discrepancy

EMERGENCY AISLE PATH LIGHTING FROM ROW 46 DEFG TO 51 DEFG WILL NOT ILLUMINATE WHEN TESTED. R & R POWER SUPPLY BATTERY PACK CHARGER ASSY REF. AMM 33-51-06. OPS CHECK GOOD. ACFT OKAY FOR SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.