# SDR CALA2026030214161

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 27, 2026
- Submitted: March 2, 2026
- Operation: Air carrier
- Aircraft: [N37466](https://openairdocs.org/aircraft/N37466), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 31644
- Aircraft time: 41,309 hours, 15,021 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Fuse
- Part number: 414A1109
- 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/CALA2026030214161

## Discrepancy

OPERATIONAL CHECK OF EMERGENCY LIGHTS,  SEAT 15ABC 2 EACH LIGHTS OUT, ONE RED MISSING LENS & ONE WHITE INOPERATIVE.  20ABC BOTH LIGHTS INOP (1 RED & 1 WHITE), 21ABC 2 EACH LIGHTS INOP (1 RED & 1 WHITE) ALONG WITH BOTH FWD O/WING EXIT DOORS LOWER SIGNS INOP (JUST ABOVE DADO PNLS). REPLACED RED LIGHT ASSY AT SEAT 15ABC AND REPLACED FUSE F2 AT M1694 PER WDM 33-51-21-7

---
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.