# SDR ASAA2013052094855

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2013
- Submitted: May 25, 2013
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 24,864 hours, 7,483 cycles
- System (JASC): [3010 · Airfoil Anti/De-ice System](https://openairdocs.org/jasc/3010)
- Part: Solenoid
- Part number: 3205482
- Part serial: 2612
- Condition: Failed
- Location: Anti Ice Sys
- Part time: 806 hours, 234 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2013052094855

## Discrepancy

ON MAINTENANCE PREFLIGHT, NOTICED NR 1 ENGINE AND WING CONTROL ANTI ICE CIRCUIT BREAKER TRIPPED, RESET AND TRIPPED AGAIN WHEN WING ANTI-ICE SELECTED ON.  ACFT GROUNDED.  DISCONNECTED LT WING THERMAL ANTI-ICE VALVE CONNECTOR.  OPS CHECKED VALVE & CIRCUIT BREAKER OPENS.  DISCONNECTED LT ENGINE WING THERMAL ANTI-ICE SOLENOID CONNECTOR.  CIRCUIT BREAKER REMAINS CLOSED.  RECONNECTED LT WING THERMAL ANTI ICE VALVE.  CIRCUIT BREAKER REMAINS IN.  CLEANED LT WING THERMAL ANTI-ICE SOLENOID CONNECTORS & RECONNECTED.  LT WING THERMAL ANTI-ICE OPS CHECKS GOOD. CIRCUIT BREAKER REMAINS IN. ENG NR 1 AND WING THERMAL ANTI-ICE VALVE CIRCUIT BREAKER STAYS IN DURING OPS CHECK.  IW AMM 30-11-11-710-801 & 30-11-12-710-801.

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