# SDR CALA2026100520098

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 2026
- Submitted: October 5, 2026
- Operation: Air carrier
- Aircraft: [N12003](https://openairdocs.org/aircraft/N12003), registered now
- Make and model: Boeing 787-10
- Registry model: [Boeing 787-10](https://openairdocs.org/model/boeing-787-10) (OpenAirDocs)
- Aircraft serial: 40935
- Aircraft time: 31,220 hours, 4,174 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Transceiver
- Part number: 8222127003
- Part serial: 4M65X
- Condition: Faulty
- Location: Weather Radar
- Part time: 40,697 hours, 4,685 cycles
- 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/CALA2026100520098

## Discrepancy

WEATHER RADAR SYS ADVISORY WXR FUNCTIONS HAVE FAILED OR PARTIALLY FAILED ON BOTH LEFT AND R IGHT SIDES OR MANUALY SELECTED TO A FAILED WXR.DB LEFT INTEG SURVEILLANCE SYSTEM PROC UNIT SEE MEL L/P 3572737 FOR CORRECTIVE ACTION REGARDING LEFT WXR SYSTEM FAULTS. SEE FUP L/P 3540501 FOR FINDINGS RELATED TO THE RIGHT WXR SYSTEM.RPL RIGHT RTM.

---
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.
