# SDR AALA202602201010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 19, 2026
- Submitted: February 20, 2026
- Operation: Air carrier
- Aircraft: [N804AN](https://openairdocs.org/aircraft/N804AN), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 40622
- Aircraft time: 39,683 hours, 5,283 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 100260201
- Condition: Inoperative
- 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/AALA202602201010

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: EPL BATTERY AT WBU20 S/N ST24093357 BAD FROM STOCK. SEAT ROW 26HED. MAINTENANCE REMOVED AND REPLACED EPL BATTERY AT WBU20, REMOVED WBU=S/N ST24093357 REPLACED WBU=S/N ST25016772. INSTALLATION TESTS GOOD, OK FOR SERVICE IAW AMM 33-51-07.

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