# SDR DALA2019032601939

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2019
- Submitted: March 27, 2019
- Operation: Air carrier
- Aircraft: [N666DN](https://openairdocs.org/aircraft/N666DN), registered now
- Make and model: Boeing 757232
- Aircraft serial: 25034
- Aircraft time: 82,995 hours, 38,137 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Window
- Condition: Arced
- Location: Cockpit
- Stage of operation: IN
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019032601939

## Discrepancy

SHIP 666 CA SIDE L-FWD WINDOW ARCING WITH WINDOW HEAT SWITCH ON. CORRECTIVE ACTION: SWAPPED WINDOW TEMP CONTROL SENSOR AND SPARE SENSOR. DID BIT/VERIFIY TEST ON WINDOW HEAT CONTROL UNIT ARCED IN UPPER LEFT CORNER OF L1 WINDOW. REMOVED & REPLACED L1 WINDOW IAW MM 56-11-01 401. (4746290)

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