- Difficulty date
- June 17, 2014
- Submitted
- June 19, 2014
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35188
- Aircraft time
- 27,231 hours, 8,312 cycles
- Part
- Module
- Part number
- 233A3201302
- Part serial
- D00480
- Condition
- Failed
- Location
- Window Heat
- Part time
- 52,418 hours, 19,332 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PREFLIGHT, THE R2 WINDOW OVERHEAT LIGHT ILLUMINATED AFTER SWITCHING WINDOW HEAT ON. ACFT GROUNDED. BITE OF WHCU SHOWS P5-9 MODULE FAULTS LAST 3 LEGS. DUPLICATED OVERHEAT LIGHT. REPLACED P5-9 WINDOW AND PITOT HEAT MODULE REF 30-41-41. OPS CHECK NORMAL.