Service difficulty report · Unknown · Boeing 737990ER

Difficulty date
May 6, 2023
Submitted
May 8, 2023
Operation
Air carrier
Aircraft
N457AS
Make and model
Boeing 737990ER
Aircraft serial
36355
Aircraft time
33,699 hours, 10,679 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
IN
How discovered
V
Nature of condition
J
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(FWD) L1 WINDOW HEAT ON LIGHT WILL NOT ILLUMINATE WHEN WINDOW HEAT PLACED ON. GROUNDED - YES. RESET WINDOW HEAT COMPUTER UNIT PER B737-900 AMM 30-41-11. OPS CHECK GOOD.