# SDR DALA2024120311403

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2024
- Submitted: December 3, 2024
- Operation: Air carrier
- Aircraft: [N876DN](https://openairdocs.org/aircraft/N876DN), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 31987
- Aircraft time: 24,184 hours, 9,138 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: L4 Door
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2024120311403

## Discrepancy

(LOG 5724478) FOUND EMERGENCY EXIT SIGN OVER L4 DOOR INOP. R/R POWER SUPPLY & BATTERY AFT LEFT PER B737 AMM 33-51.OPS CHECK GOOD.

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