What was found
LEFT FWD WINDOW HEAT OVERHEAT LIGHT ILLUMINATED DURING CLIMB. QRH PROCEDURE DID NOT RESOLVE ISSUE. GROUNDED - YES. PERFORMED LEFT FRONT WHCU BITE REF B737-900 AMM 30-41-11-401-801. OPS CKS GOOD.
- Difficulty date
- January 18, 2023
- Submitted
- January 19, 2023
- Operation
- Air carrier
- Aircraft
- N479AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 60576
- Aircraft time
- 26,782 hours, 8,346 cycles
- System (JASC)
- 3040 · Windshield/Door Rain/Ice Removal
- Part
- Warning Message
- Condition
- False Activation
- Location
- Window Heat
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.