# SDR ASAA2026011564021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2026
- Submitted: January 31, 2026
- Operation: Air carrier
- Aircraft: [N557AS](https://openairdocs.org/aircraft/N557AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35176
- Aircraft time: 70,183 hours, 20,952 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: ADD71701100
- Condition: Inoperative
- Location: R1 Door
- 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/ASAA2026011564021

## Discrepancy

EMERGENCY LIGHTS AT R1 DOOR INOP. GROUNDED - YES. REMOVED AND INSTALLED SERVICABLE EMERGENCY LIGHTS BATTER, OPS CHECKS GOOD IAW B737-800 AMM 33-51-06-960-805.

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