# SDR CALA2017011300100

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2017
- Submitted: January 14, 2017
- Operation: Air carrier
- Aircraft: [N785UA](https://openairdocs.org/aircraft/N785UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26954
- Aircraft time: 88,057 hours, 11,849 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: No Test
- Location: Emergency Light
- 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/CALA2017011300100

## Discrepancy

AFT EMERGENCY LIGHT BATTERY PACK FAILED CAPACITY CHECK.  REPLACED THE BATTERY PACKS.  OPS TESTED OK IAW AMM 33-51-06-960-802 REV.78.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.
