# SDR ASAA1057227

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2010
- Submitted: January 14, 2010
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 13,554 hours, 3,905 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Transceiver
- Part number: 6225132633
- Part serial: 16CPF0
- Condition: Faulty
- Location: Weather Radar
- Part time: 13,559 hours, 3,906 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1057227

## Discrepancy

BOTH C/A AND F/O RADAR DISPLAYS "SPIKES" OR "SPIKING" INTERMITTENTLY ACROSS THE SCREEN IN ALL MODES OF OPERATION.  PULLED & TAGGED WX R/T C/B.  REMOVED AND REPLACED RD WX RADAR R/T PER 34 43 41 ROTABLE COMPONENT VERIFIED BY SEAMC.  UNTAGGED & RESET C/B.  SYS OPS CHECKS NORMAL PER 34 43 00.

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