# SDR SCNA20260504177

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2026
- Submitted: May 4, 2026
- Operation: Air carrier
- Aircraft: [N903SY](https://openairdocs.org/aircraft/N903SY), registered now
- Make and model: Boeing 737900
- Aircraft serial: 40070
- Aircraft time: 31,989 hours, 14,213 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Lamp
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA20260504177

## Discrepancy

EXTERIOR EMERGENCY LIGHT AFT OF LH WING TRAILING EDGE DOES NOT ILLUMINATE.  RE-LAMPED AFT LH WING TRAILING EDGE EXTERIOR EMERGENCY LIGHT REF. AMM 33-51-04. OPS CHECK GOOD.

---
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.