# SDR MYWA120025

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 2012
- Submitted: February 24, 2012
- Operation: Air carrier
- Aircraft: [N752MA](https://openairdocs.org/aircraft/N752MA), registered now
- Make and model: Boeing 737-48E
- Registry model: [Boeing 737-48E](https://openairdocs.org/model/boeing-737-48e) (OpenAirDocs)
- Aircraft serial: 28198
- Aircraft time: 26,054 hours, 24,710 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Controller
- Condition: Malfunctioned
- Location: Window Heat
- Stage of operation: IN
- 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/MYWA120025

## Discrepancy

ETOPS SIGNIFICANT SYSTEM:  IN REF TO ITEM ABOVE, REPLACE WINDOW HEAT CONTROLLER FOR L1 WINDOW.  REMOVED AND REPLACED L-1 WINDOW HEAT CONTROLLER IAW B737-400 M/M 30-41-11, OPS CHECK NORMAL.

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