# SDR AALA2019032879035

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2019
- Submitted: March 28, 2019
- Operation: Air carrier
- Aircraft: [N789AN](https://openairdocs.org/aircraft/N789AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30252
- Aircraft time: 74,310 hours, 9,460 cycles
- System (JASC): [5697 · Window System Wiring](https://openairdocs.org/jasc/5697)
- Part: Wire
- Condition: Broken
- Location: Windshield
- 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/AALA2019032879035

## Discrepancy

FIRST OFFICER`S WINDSHIELD HAD EVIDENCE OF ARCING ON THE LOWER BUSS BAR AND DELAMINATION AT THE UPPER AND LOWER BUSS BARS.  THE AIRCRAFT WAS GROUNDED.  FOUND A BROKEN WIRE CONNECTION TO BE THE CAUSE OF THE ARCING.   REPAIRED AND THE WINDSHIELD WAS REPLACED PER AMM 56-11-01.

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