Service difficulty report · Stiffener · Boeing 747211B

Difficulty date
May 9, 2006
Submitted
May 24, 2006
Operation
Air carrier
Aircraft
N521UP
Make and model
Boeing 747211B
Aircraft serial
21944
Aircraft time
77,205 hours, 18,330 cycles
Part
Stiffener
Part number
65B0794211
Condition
Cracked
Location
Tunnel
Stage of operation
IN
How discovered
9
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 LT SIDE PANEL BS260-280 WL 180 STIFFENER RADIUS AREA. FOUND CRACK APP 1 3/8" LONG, STIFFENER. REPLACED AS PER SRM 51-10-01 PG9 AND INSTALLED AS PER SRM 51-30-02.