Service difficulty report · Window Frame · Boeing 737724

Difficulty date
October 10, 2023
Submitted
October 11, 2023
Operation
Air carrier
Aircraft
N16709
Make and model
Boeing 737724
Aircraft serial
28779
Aircraft time
79,014 hours, 28,388 cycles
Part
Window Frame
Part number
141A8800
Condition
Cracked
Location
Sta 1217 Wl258
Stage of operation
IN
How discovered
O
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

SUPPORT TASK CRACK FOUND IN LH NO. 1 WINDOW FRAME AT STA 1217 WL258 COMING OFF OF THE TOP LEFT INTERNAL FASTENER THAT ATTACHES STEEL CHORD DOUBLER. CRACK MARKED IN RED REF HAECO GSO NR 9282713 CYCLES PENDING THE RESULTS OF A DAMAGE TOLERANCE ANALYSIS (DTA). REMOVE THE AIRCRAFT FROM SERVICE ON OR BEFORE 50,000 TOTAL AIRCRAFT CYCLES, UNLESS ANOTHER 8100-9 FORM IS RECEIVED FINDING APPROVAL FOR DAMAGE TOLERANCE REQUIREMENTS - V901735 ACCOMPLISHED UNITED ECRA 5610-01529. DAMAGE CUTOUT AND REPAIR DOUBLER AND TRIPLER INSTALLED IAW ECRA 5610-01529. THE REPAIR INCORPORATED VIA ECRA 5610-01529 LH NO. 1 WINDOW FRAME CRACK APPROVED AS TIME LIMITED UNTIL 50,000 TOTAL AIRCRAFT FLIGHT