Service difficulty report · Window · Boeing 737990ER

Difficulty date
October 10, 2021
Submitted
October 12, 2021
Operation
Air carrier
Aircraft
N477AS
Make and model
Boeing 737990ER
Aircraft serial
40716
Aircraft time
22,678 hours, 7,095 cycles
Part
Window
Part number
56100025
Part serial
14009H1014
Condition
None
Location
Flight Compartme
Part time
17,458 hours, 6,112 cycles
Stage of operation
NR
How discovered
V
Nature of condition
M
Precautionary procedure
O

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

What was found

LEFT SIDE OVERHEAT LIGHT ILLUMINATED. FOLLOWED QRH PROCEDURE. AFTER 5 MINUTES IT WAS STILL ILLUMINATED. TURNED OFF AND CONTINUED FLIGHT. GROUNDED - YES. REMOVED AND REPLACED LH NO. 2 OPENABLE WINDOW PER AMM 56-12-11. OVERHEAT LIGHT NOT ILLUMINATED. OPS CHECK GOOD.