# SDR AALA2020072079002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2020
- Submitted: July 20, 2020
- Operation: Air carrier
- Aircraft: [N786AN](https://openairdocs.org/aircraft/N786AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30250
- Aircraft time: 80,178 hours, 9,788 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Part serial: 159049
- Condition: Inoperative
- 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/AALA2020072079002

## Discrepancy

AIRCRAFT WAS GROUNDED (SHORT TERM STORAGE): R4 DOOR EMERGENCY LIGHT BATTERY PACK (M33408) INOPERATIVE. REPLACED BATTERY PACK PER AMM 33-51-06-960-802. OPERATIONAL TEST GOOD PER AMM 33-51-06-710-002.

---
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.