# SDR AALA202307034412

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2023
- Submitted: July 3, 2023
- Operation: Air carrier
- Aircraft: [N750AN](https://openairdocs.org/aircraft/N750AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30259
- Aircraft time: 85,503 hours, 10,996 cycles
- System (JASC): [3340 · Exterior Lighting](https://openairdocs.org/jasc/3340)
- Part: Battery Pack
- Part number: 285W0955102
- Part serial: D02108
- Condition: Discharged
- Location: Zone 800 - Doors
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202307034412

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: #2RH EMERGENCY POWER ASSIST SYSTEM LIGHT DOES NOT WORK PROPERLY. REMOVED AND REPLACED EMERGENCY POWER ASSIST SYSTEM BATTERY PACK AT #2RH.

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