# SDR ASAA2025030556435

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 2025
- Submitted: March 10, 2025
- Operation: Air carrier
- Aircraft: [N568AS](https://openairdocs.org/aircraft/N568AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35183
- Aircraft time: 62,932 hours, 19,050 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: No Test
- 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/ASAA2025030556435

## Discrepancy

EMERGENCY LIGHT SYSTEM BATTERY PACK M1676 FAILED CAPACITY CHECK. GROUNDED - YES. EMERGENCY LIGHT SYSTEM BATTERY PACK "M1676" WAS REPLACED IAW BOEING B737-800 AMM 33-51-06-960-806, TEST OK.

---
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.