# SDR ABXA20250916228

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2025
- Submitted: September 16, 2025
- Operation: Air carrier
- Aircraft: [N312AA](https://openairdocs.org/aircraft/N312AA), registered now
- Make and model: Boeing 767223
- Aircraft serial: 22315
- Aircraft time: 95,434 hours, 25,029 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Proximity Switch
- Part number: 849704
- Part serial: 555
- Condition: Defective
- Location: Zone 100
- Part time: 6,014 hours, 2,499 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20250916228

## Discrepancy

DURING PUSH BACK AFTER ENGINE START  STATUS MSG OF LDG GEAR MONITOR CAME ON, AC RETURNED TO THE GATE (BTB), MTX GROUNDED AC AND TROUBLESHOT, USING  B767 FIM 32-09. FT 803. REMOVED AND REPLACED PSEU, IAW B767 AMM 32-09-04. AND CLEANED SENSOR S234 AND S235. PERFORMED BITE CHECK OF PSEU OPS CHECK GOOD . MTX RETURNED AC TO SERVICE.

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