# SDR NWAA080286311

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2008
- Submitted: January 30, 2008
- Operation: Air carrier
- Aircraft: N671US
- Make and model: Boeing 747451
- Aircraft serial: 26477
- Aircraft time: 40,855 hours, 5,186 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Control Unit
- Condition: Malfunctioned
- Location: Windshield Heat
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NWAA080286311

## Discrepancy

DURING CLIMB-OUT, SMOKE BEGAN POURING OUT OF THE FIRST OFFICER FRONT WINDSHIELD AREA.  PERFORMED FIRE/SMOKE CHECKLIST, RETURNED TO MNL AND LANDING WAS UNEVENTFUL.  AFTER LANDING FLIGHT ATTENDANT REPORTED SMELLING SMOKE AT DOOR 3 LEFT.  MAINTENANCE REMOVED AND REPLACED COCKPIT WINDOW AND WINDOW HEAT CONTROL UNIT.  OPERATIONAL CHECKED GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.