Service difficulty report · Stiffener · Boeing 737823

Difficulty date
June 5, 2012
Submitted
June 8, 2012
Operation
Air carrier
Aircraft
N947AN
Make and model
Boeing 737823
Aircraft serial
29536
Aircraft time
35,794 hours, 14,781 cycles
Part
Stiffener
Condition
Cracked
Location
Lt Wing
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

LEFT VERTICAL STIFFENER OUTBOARD OF PACK EXHAUST DUCT CUTOUT IS CRACKED AT LOWER END. REMOVED CRACKED STIFFENER AND INSTALLED NEW VERTICAL STIFFENER PER AARD 51-10-05-R1 AND BOEING DRAWING NUMBERS 111A1000 AND 111A-1308.