# SDR AALA202410292269

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2024
- Submitted: October 29, 2024
- Operation: Air carrier
- Aircraft: [N816AA](https://openairdocs.org/aircraft/N816AA), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 40634
- Aircraft time: 30,601 hours, 4,159 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 100260201
- Condition: Discharged
- Location: Zone 200
- 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/AALA202410292269

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK STEP C, WBU 11, HARDWARE P/N 100-2602-01. S/N : ST19120607,NEEDS TO BE REPLACED. **SUPPLEMENTAL REPORT FOR SDR AALA202405032269.** (CLOSED) MAINTENANCE REPLACED WIRELESS EMERGENCY LIGHTING SYSTEM CONTROL UNIT BATTERY WBU 11 W/ HARDWARE SERIAL NUMBER ST19120607 IAW AMM'33-51-07.

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