# SDR CALA2018120702510

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2018
- Submitted: December 7, 2018
- Operation: Air carrier
- Aircraft: [N799UA](https://openairdocs.org/aircraft/N799UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26926
- Aircraft time: 90,721 hours, 12,182 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: ADD71701100
- Part serial: 109415
- Condition: Discharged
- Location: Emergency Lights
- 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/CALA2018120702510

## Discrepancy

REFER NR L/P 9466024 - SPEC NO.B777-33-3-7019 - EMER LIGHT TEST FND L4 AREA LIGHT NO ILLUMINATE. REPLACED THE L4 EMERGENCY LIGHT POWER PACK AND C/O TEST FND NORM REF AMM 33-51-06-960-803 REV 84

---
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.