# SDR CALA2026021813899

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2026
- Submitted: February 19, 2026
- Operation: Air carrier
- Aircraft: [N27724](https://openairdocs.org/aircraft/N27724), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28791
- Aircraft time: 82,442 hours, 30,434 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Warning Light
- Condition: False Activation
- Location: Zone 800
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026021813899

## Discrepancy

FWD ENTRY DOOR LIGHT ILLUMINATED DURING TAKEOFF.  EXTINGUISHED ON IT`S OWN ONCE AIRBORNE. PERFORMED TROUBLESHOOTING IAW FIM 52-10 TASK 801, NO DAMAGE FOUND TO FWD ENTRY DOOR SENSOR, TARGET, DOOR SWITCH OR ADJACENT STRUCTURES.  PSEU BITE TEST SHOWS NO EXISTING FAULTS.  SENSOR S199 TESTED GOOD.  FWD ENTRY DOOR SENSOR S199 RIGGING WITHIN RANGE IAW AMM 52-71-11-820-801. AIRCRAFT OK TO CONTINUE.

---
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.