Service difficulty report · Stiffener · Boeing 737823

Difficulty date
August 15, 2013
Submitted
August 16, 2013
Operation
Air carrier
Aircraft
N975AN
Make and model
Boeing 737823
Aircraft serial
29549
Aircraft time
36,407 hours, 14,875 cycles
Part
Stiffener
Condition
Cracked
Location
Fuselage
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

VERTICAL STIFFENER JUST OUTBOARD OF LEFT HAND AIR CONDITIONING BAY, EXHAUST DUCT CUTOUT (LEFT BUTTLINE 25 WHEEL WELL) HAS TWO INCH CRACK IN LOWER END RADIUS. INSTALLED NEW VERTICAL STIFFENER PER AARD 51-00-05-1 AND INSTALLATION DRAWING NUMBERS 111A1000 SHEET 101 FRAME 4,111A1000 SHEET 100 FRAME 4 AND 149A7210 SHEET 7 FRAME 3.