# SDR CALA2026051116161

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2026
- Submitted: May 11, 2026
- Operation: Air carrier
- Aircraft: [N13720](https://openairdocs.org/aircraft/N13720), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28939
- Aircraft time: 82,328 hours, 29,151 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Sensor
- Condition: Faulted
- Location: Zone 700
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026051116161

## Discrepancy

NOSE GEAR RED AND GREEN LIGHT ILUMINTED NLG RED AND GREEN LIGHTS SHOWING IN AIR WITH GEAR HANDLE AT OFF AND UP POSITIONS. PSEU BITE SHOWS 3 FAULTS. NOSE DN DISAGREE 32-61013. NOSE DWN A FAULT 32-61004.   PERFORMED GV OF NLG AREA UPON ARRIVAL TO GATE IAW AMM 32-21-00. NO DAMAGE AT THIS TIME NOTED. LOCKED LP FOR A POSITIVE MX FIX. T/S PER FIM 32-61 TASK 803. FOUND LEFT NOSE GEAR DOWN POSTION SENSOR S845 FAULTY. REMOVED AND REPLACED NOSE GEAR DOWN LOCKED SENSOR S845 REF AMM 32-61-51-400-802, REF WDM 32-64-11-1. REQUIRES OPS CHKD.  COMPLETED INSTALLATION OPS CHECK IAW AMM 32-61-51-710-801. NO FAULTS NOTED. ALL OPS NORMAL.

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