Service difficulty report · Stiffener · Boeing 747212B

Difficulty date
January 4, 2006
Submitted
January 18, 2006
Operation
Air carrier
Aircraft
N520UP
Make and model
Boeing 747212B
Aircraft serial
21943
Aircraft time
80,484 hours, 17,793 cycles
Part
Stiffener
Part number
65B0794232
Condition
Cracked
Location
Nlg Ww
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, RT SIDEWALL PANEL BS 280-300 1ST STIFFENER (COUNT FROM TOP) FOUND CRACK AT RADIUS APPROX 1/4" LONG. STIFFENER REPLACED AS PER SRM 51-10-01 PG 9.

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