Service difficulty report · Window Frame · Boeing 737823

Difficulty date
May 8, 2020
Submitted
May 13, 2020
Operation
Air carrier
Aircraft
N991AN
Make and model
Boeing 737823
Aircraft serial
30920
Aircraft time
34,019 hours, 13,747 cycles
Part
Window Frame
Condition
Cracked
Location
Cockpit
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

AIRCRAFT IN BASE MAINTENANCE: FLIGHT DECK L1 WINDOW CUT OUT UPPER OUTBOARD CORNER C-D WINDOW POST FRAME CRACK SUSPECTED AT BS 219.8 AND LBL 30. UPON ADDITIONAL EVALAUATION NO CRACK WAS FOUND AND PREVENTATIVE MODIFICATION DOUBLER WAS INSTALLED PER EA 304961 AND SB 737-53-1335.