# SDR CALA2024111102819

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2024
- Submitted: November 11, 2024
- Operation: Air carrier
- Aircraft: [N2135U](https://openairdocs.org/aircraft/N2135U), registered now
- Make and model: Boeing 777-300ER
- Registry model: [Boeing 777-300ER](https://openairdocs.org/model/boeing-777-300er) (OpenAirDocs)
- Aircraft serial: 62646
- Aircraft time: 32,508 hours, 3,561 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: ADD71701100
- 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/CALA2024111102819

## Discrepancy

EMER BATTERY PACK M33093 CAPACITY CHECK FAIL TRANSFER REFER NON-ROUTINE WO.3982517 EMER BATTERY PACK M33093 REPLACED AND TEST NORMAL AS PER AMM 33-51-06

---
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.