# SDR EIA2007189

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 2007
- Submitted: November 5, 2007
- Operation: Air carrier
- Aircraft: [N747BC](https://openairdocs.org/aircraft/N747BC), registered now
- Make and model: Boeing 747-4J6
- Registry model: [Boeing 747-4J6](https://openairdocs.org/model/boeing-747-4j6) (OpenAirDocs)
- Aircraft serial: 25879
- Aircraft time: 28,721 hours, 8,564 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Controller
- Condition: Malfunctioned
- Location: R1 Window
- Stage of operation: CL
- How discovered: O
- Nature of condition: G
- Precautionary procedure: J, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EIA2007189

## Discrepancy

ON CLIMB AT 240 WIINDOW R1 ARCING WITH APPROX 3 FOOT CRACK ON OUTER PANE.  REMOVED AND REPLACED R1 FWD WINDSHIELD HEAT CONTROL UNIT PER MM 30-41-01 AND R1 WINDSHIELD PER MM 56-11-01 WINDOW HEAT SYSTEM. OPS CHECKED GOOD PER MM 30-41-01.  (GOOD MODEL)

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