# SDR ASMF20160620011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2016
- Submitted: June 20, 2016
- Operation: Air carrier
- Aircraft: [N776AM](https://openairdocs.org/aircraft/N776AM), registered now
- Make and model: Boeing 777-2Q8
- Registry model: [Boeing 777-2Q8](https://openairdocs.org/model/boeing-777-2q8) (OpenAirDocs)
- Aircraft serial: 28692
- Aircraft time: 56,139 hours, 8,025 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Transceiver
- Part number: 6225132633
- Part serial: 8YMA
- Condition: Failed
- Location: Weather Radar
- Part time: 72,497 hours, 8,349 cycles
- Stage of operation: CR
- 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/ASMF20160620011

## Discrepancy

AIRCRAFT PERFORMED AN UNSCHEDULED LANDING DUE TO EICAS MESSAGE WXR FAIL.  MAINTENANCE PERFORMED THE AIR/GROUND INTERFACE TEST IAW AMM 34-43-02, DETECTING WXR FAIL FLAG AND WXR SYS STATUS; SO THE LT TRANSCEIVER WAS REPLACED AND SYSTEM TEST WAS PERFORMED IAW AMM 34-43-05, TESTED CORRECT.  MAINTENANCE PERFORMED OVERWEIGHT CONDITIONAL INSPECTION IAW AMM 05-51-35, PHASE 1A, NO DAMAGES WERE FOUND.

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