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B767-300ER captain and relief pilot reported a failure of the outer pane of the captain's forward windshield.
| Attributes | |
| ACN | 1508997 |
| Time | |
| Date | 201801 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZZ.ARTCC |
| State Reference | FO |
| Aircraft 1 | |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Cockpit Window |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Total 18075 |
| Person 2 | |
| Function | First Officer Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
2 hours in cruise at 34;000 ft we experienced a L1 (captain's front windshield) outer pane failure. The left fwd window EICAS message illuminated. There was brief arcing of the window heat probe. We also had a loud cracking sound.we ran the left fwd window QRH checklist. We turned off the left fwd window heat; then ran the window damage checklist. Once we determined that the outer pane failed but the inner pane was intact; we elected to continue to [destination] per the checklist.we decided to [advise ATC] for landing as I could not see well enough out the window to taxi off the runway and to the gate.the first officer made the landing and after arff checked us for any other damage; we shut down the engines and awaited towing.we gave ops and dispatch plenty of notice that we would need to be towed off the runway; however when we landed there was no tug. We called ops continuously asking for a tug and it took 30 minutes for them to finally show up. This caused [a] runway to be needlessly shut down. Once the tug finally showed up we were towed to the gate.the outer pane of the L1 window failed due to a short in the window heat system.
Original NASA ASRS Text
Title: B767-300ER Captain and Relief Pilot reported a failure of the outer pane of the Captain's forward windshield.
Narrative: 2 hours in cruise at 34;000 ft we experienced a L1 (Captain's front windshield) outer pane failure. The L FWD Window EICAS message illuminated. There was brief arcing of the window heat probe. We also had a loud cracking sound.We ran the L FWD WINDOW QRH checklist. We turned off the L FWD Window Heat; then ran the Window Damage checklist. Once we determined that the outer pane failed but the inner pane was intact; we elected to continue to [destination] per the checklist.We decided to [advise ATC] for landing as I could not see well enough out the window to taxi off the runway and to the gate.The First Officer made the landing and after ARFF checked us for any other damage; we shut down the engines and awaited towing.We gave Ops and Dispatch plenty of notice that we would need to be towed off the runway; however when we landed there was no tug. We called Ops continuously asking for a tug and it took 30 minutes for them to finally show up. This caused [a] runway to be needlessly shut down. Once the tug finally showed up we were towed to the gate.The outer pane of the L1 window failed due to a short in the window heat system.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.