# SDR ASAA2026022364512

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2026
- Submitted: February 25, 2026
- Operation: Air carrier
- Aircraft: [N407AS](https://openairdocs.org/aircraft/N407AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41731
- Aircraft time: 49,792 hours, 15,455 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Lamp
- Part number: 767
- 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/ASAA2026022364512

## Discrepancy

DURING PDC DISCOVERED LOWER EXIT SIGN LAMP AT ROW 17DEF BROKEN.  GROUNDED - YES. REMOVED AND REPLACED LOWER EXIT SIGN LAMP IAW AMM 33-51-01. 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.