# SDR 2007UALA00851

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2007
- Submitted: March 27, 2007
- Operation: Air carrier
- Aircraft: [N663UA](https://openairdocs.org/aircraft/N663UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27160
- Aircraft time: 60,551 hours, 9,909 cycles
- Engine: Pwa PW4060
- System (JASC): [3097 · Ice/Rain Protection System Wiring](https://openairdocs.org/jasc/3097)
- Part: Wire
- Condition: Burned
- 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/2007UALA00851

## Discrepancy

F/O`S NR 1 WINDOW & CAPT'S SIDE WINDOW HEAT INOP.  FOUND WINDOW HEAT WIRES BURNT BEHIND E2-1 RACK AT CONN D4294P, REF WDM 30-41-12. CONTROL SENSOR FOR LEFT WINDOW 2 MELTED AND OTHER WIRES HAVE HEAT DAMAGE. PWR WIRE W1120-203B-12 EXTENSIVELY DAMAGED.  WIRES WERE REPAIRED AND HARNESS REINSTALLED IN A/C. HARNESS OPERATED OK. SUSPECT LOOSE PINS CAUSED HIGH CURRENT DRAW & C-B FAILED TO OPEN SOON ENOUGH TO PROTECT WIRES.

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