# SDR ASAA2021111936657

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2021
- Submitted: November 22, 2021
- Operation: Air carrier
- Aircraft: [N428AS](https://openairdocs.org/aircraft/N428AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36353
- Aircraft time: 20,888 hours, 6,617 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Control Unit
- Part number: 8300005605
- Part serial: 25520
- Condition: Inoperative
- Location: Ee Rack, E4
- Part time: 20,893 hours, 6,618 cycles
- Stage of operation: TO
- How discovered: V
- Nature of condition: M
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021111936657

## Discrepancy

ON TAKEOFF ROLE - 80 KTS MASTER CAUTION R1 OVERHEAT ILLUMINATED ABORTED TAKEOFF, COMPLETED QRH PROCEDURE, LIGHT REILLUMINATED. GROUNDED - YES. VERIFIED RIGHT SIDE CONTROLLER INOP, SWAPPED CONTROLLERS PN 83000-05605 BACK TO ORIGINAL POSITION. REMOVED & REPLACED CONTROLLER M323 S/N 25520 REF B737-900 AMM 30-41-11 TEST PASS FOR BOTH F/O'S FRONT & SIDE WINDOW. MEL 30-11E CLEARED SEAMC SCOTT NOTIFIED.

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