# SDR ASAA2026020964238

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2026
- Submitted: February 11, 2026
- Operation: Air carrier
- Aircraft: [N516AS](https://openairdocs.org/aircraft/N516AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 39044
- Aircraft time: 54,858 hours, 16,370 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- 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/ASAA2026020964238

## Discrepancy

EMERGENCY LIGHTS IN CABIN FAIL OPS CHECK. GROUNDED - YES. REMOVED AND REPLACED SERVICEABLE EMERGENCY BATTERIES AND CHARGERS FWD GALLEY RIGHT, AFT GALLEY RIGHT, SEAT 7 R/H AND SEAT 23 R/H, OP CHECKS IAW B737-800 AMM 33-51-06-960-805 STEPS 4.E.1-7 AND 33-51-05-960-806. (S/N 26727)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.