# SDR AALA202301300113

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2023
- Submitted: January 30, 2023
- Operation: Air carrier
- Aircraft: [N719AN](https://openairdocs.org/aircraft/N719AN), registered now
- Make and model: Boeing 777323
- Aircraft serial: 41668
- Aircraft time: 39,133 hours, 4,613 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702001
- Condition: Inoperative
- Location: Emergency Lights
- 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/AALA202301300113

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: L1 DOOR EXIT SIGN AND EXTERIOR LIGHT INOPERATIVE. REPLACED EMERGENCY LIGHT BATTERY PACK POWER SUPPLY M33424 BATTERY PACK. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-00.

---
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.