# SDR CNMA2021030001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2021
- Submitted: March 31, 2021
- Operation: Air carrier
- Aircraft: [N351AX](https://openairdocs.org/aircraft/N351AX), registered now
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 27908
- Aircraft time: 91,347 hours, 14,223 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Sensor
- Part number: 852703
- Part serial: C19676
- Condition: Defective
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CNMA2021030001

## Discrepancy

AIR GROUND DISAGREE STATUS MESSAGE CORRECTIVE ACTION: R&R SENSOR S10598 PER SB76727A0160 AND ADJUSTED. OPS CK GOOD. TS IAW B767 FIM 3209 FAULT TREE 810 REPLACE RELAYS K199 & K293 IAW SB 76727 A0160

---
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.