Service difficulty report · Window Frame · Boeing 737301

Difficulty date
October 19, 2016
Submitted
November 24, 2016
Operation
Air carrier
Aircraft
N361NC
Make and model
Boeing 737301
Aircraft serial
23260
Aircraft time
74,173 hours, 48,096 cycles
Part
Window Frame
Part number
6545785U9
Condition
Cracked
Location
Bs 500a
Stage of operation
IN
How discovered
E
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

CRACK FOUND AT BS 500A, STRINGER 12R, UPPER FORWARD WINDOW CORNER. HFEC INSPECTION REVEALED A CRACK IN THE WINDOW FRAME. WINDOW FRAME REPLACED IAW SERVICE BULLETIN 737-53A1177, REV. 7.