SDR ASAA2020021103144

Service difficulty report · Sliding Window · Boeing 737990

Difficulty date: February 10, 2020
Submitted: February 12, 2020
Operation: Air carrier
Aircraft: N323AS
Make and model: Boeing 737990
Aircraft serial: 30021
Aircraft time: 56,018 hours, 22,525 cycles
System (JASC): 5610 · Flight Compartment Windows
Part: Sliding Window
Condition: Binding
Location: R2
Stage of operation: TX
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

UNABLE TO CLOSE FIRST OFFICERS R2 SLIDING WINDOW. GROUNDED - YES. AT FIRST OFFICER R2 WINDOW, FOUND LOWER ROLLER BEARING LOOSE. REMOVED R2 WINDOW, TIGHTENED LOWER ROLLER BEARING, THEN RE-INSTALLED R2 WINDOW. OPERATIONAL CHECKS GOOD, HEAT CHECK OF WINDOW HEAT GOOD. REF B737-900 AMM 56-12-11-300-802, 56-12-00-000-801/-400-801, AND 56-12-11-710-803.