# SDR CALA2026030614377

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2026
- Submitted: March 6, 2026
- Operation: Air carrier
- Aircraft: [N26226](https://openairdocs.org/aircraft/N26226), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28935
- Aircraft time: 81,345 hours, 30,358 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Proximity Sensor
- Part number: 284A13227
- Condition: Faulted
- Location: Zone 800
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026030614377

## Discrepancy

RTO AT 70KTS FWD ENTRY DOOR LIGHT ILLUMINATED AFTER CREW DEBRIEF, CREW REPORTS NO DOOR HANDLE MOVEMENT, AIR DRAFTS OR OTHER DISCREPENCIES. INSPECTED FWD DOOR. NO ISSUES TO BE DETERMINED. OPS CHECK OF FWD ENTRY DOOR NORMAL. INDICATION ISSUE SUSPECTED. AMM 52-11-00 NO INSPECTION REQUIRED FOR RTO.  COMPLIED WITH MEL 5203E.  REMOVED & SPLICED IN NEW SENSOR S199 FOR FWD ENTRY DOOR 1L, REF. B737-8 AMM 52-71-11-400-801 & WDM 52-71-11.

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