What was found
FIRST OFFICER'S AFT SIDE WINDOW NOT BEING HEATED KEEPS FROSTING OVER. REPLACED NR 3 WINDOW CONTROL THERMOSTAT PER MM, WINDOW HEATS OKAY.
- Difficulty date
- April 12, 2013
- Submitted
- June 27, 2013
- Operation
- Air carrier
- Aircraft
- N122UA
- Make and model
- Boeing 747422
- Aircraft serial
- 29168
- Aircraft time
- 57,332 hours, 6,694 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3040 · Windshield/Door Rain/Ice Removal
- Part
- Thermostat
- Condition
- Faulty
- Location
- Window Heat
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.