- Difficulty date
- February 25, 2023
- Submitted
- February 27, 2023
- Operation
- Air carrier
- Make and model
- Boeing 7379
- Aircraft serial
- 43337
- Aircraft time
- 5,155 hours, 1,486 cycles
- Part
- Control Unit
- Part number
- 8300027904
- Part serial
- 03466
- Condition
- Faulty
- Location
- E/E Rack E2-1
- Part time
- 14,461 hours, 4,446 cycles
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- M
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT FORWARD WINDOW OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM 30-41-00-810-828 FOR LEFT FWD WINDOW OVERHEAT LIGHT. SWAPPED WHCU PER B737-9 AMM 30-41-11. REMOVED AND REPLACED WHCU #1 IAW AMM 30-41-11. OPS TEST GOOD.