Service difficulty report · Stiffener · Boeing 747121

Difficulty date
March 12, 2006
Submitted
March 24, 2006
Operation
Air carrier
Aircraft
N681UP
Make and model
Boeing 747121
Aircraft serial
19661
Aircraft time
106,939 hours, 27,146 cycles
Part
Stiffener
Part number
65B07942U164
Condition
Cracked
Location
Bs 260-280
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 LT SIDE NOSE WHEEL WELL INTERNAL BETWEEN BS 260 AND 280 AT WL170 CRACK FOUND BETWEEN FASTENER HOLES AND RADIUS OF THE STIFFENER, CRACK LENGTH 1/4". FOUND LT SIDE NOSE WHEEL WELL BS260-280 WL170 INTERNAL STIFFENER REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02.