# SDR DALA2024022902855

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 27, 2024
- Submitted: February 29, 2024
- Operation: Air carrier
- Aircraft: [N871DN](https://openairdocs.org/aircraft/N871DN), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 31982
- Aircraft time: 22,929 hours, 8,857 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: UNKNOWN
- Condition: Inoperative
- Location: Emergency Lights
- 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/DALA2024022902855

## Discrepancy

(LOG 5424816) EXIT IDENTIFIER AT 1L DOOR INOP. RPLCD BATTERY AND PWR SUPPLY REF B737 AMM 33-51. OPS TESTS GOOD.

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