Service difficulty report · Stiffener · Boeing 747200

Difficulty date
May 5, 2006
Submitted
May 19, 2006
Operation
Air carrier
Aircraft
N521UP
Make and model
Boeing 747200
Aircraft serial
21944
Aircraft time
77,205 hours, 18,330 cycles
Part
Stiffener
Part number
654U6075594
Condition
Cracked
Location
Nlg Ww
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

INSPECTION TYPE:C NWW TOP PANEL BS 280-300 LBL 10 STIFFENER RADIUS AREA FOUND CRACK APPROX .75 INCH. NWW TOP PANEL BS 280-300 LBL 10 STIFFENER REPLACED AS PER SRM 51-10-01 PG 9 AND INSTALLED AS PER SRM 51-30-02.

More about the Boeing 747-200