# SDR P5CA2014122000059

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2014
- Submitted: December 22, 2014
- Operation: Air carrier
- Aircraft: [N857GT](https://openairdocs.org/aircraft/N857GT), registered now
- Make and model: Boeing 747-87UF
- Registry model: [Boeing 747-87UF](https://openairdocs.org/model/boeing-747-87uf) (OpenAirDocs)
- Aircraft serial: 37568
- Aircraft time: 12,521 hours, 2,267 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Proximity Sensor
- Part number: 893501
- Condition: Malfunctioned
- Location: Mlg
- 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/P5CA2014122000059

## Discrepancy

GEAR TILT EICAS MESSAGE.  FOUND CMC CODE 32723 AND 32724;  ACCOMPLISHED WIRING CHECK OF WIRES FROM PSEU TO THE SENSOR S2653 AND S2654 IAW WDM 32-61-15 AND WDM 32-61-16.  NO FAULTS FOUND.  SENSOR, S2653 AND S2654, REPLACED IAW AMM 32-61-12.  OPS CHECK WAS GOOD.

---
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.