# SDR ASAA2026101167367

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2026
- Submitted: October 13, 2026
- Operation: Air carrier
- Aircraft: [N477HA](https://openairdocs.org/aircraft/N477HA), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55122
- Aircraft time: 35,957 hours, 83,513 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 6011779
- Part serial: 2873
- Condition: Inoperative
- Location: Fwd Cabin
- Part time: 11,915 hours, 27,325 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2026101167367

## Discrepancy

FRONT HALF OF AIRCRAFT EMERGENCY LIGHTS INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHTS BATTERY POWER SUPPLY PER AMM 33-51-03. OPS CHECK GOOD. REMOVED AND REPLACED OVERWING EMERGENCY EVAC BATTERY POWER SUPPLY PER AMM 33-51-06. OPS CHECK GOOD. OK FOR SERVICE.

---
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.