Service difficulty report · Stringer · Boeing 747123

Difficulty date
January 15, 2007
Submitted
February 2, 2007
Operation
Air carrier
Aircraft
N672UP
Make and model
Boeing 747123
Aircraft serial
20324
Aircraft time
76,834 hours, 22,085 cycles
Part
Stringer
Condition
Corroded
Location
Bs 1800-1820
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 M/D AFTER BS 1800-1820 RIGHT WINDOW FORGING REMOVED FOUND STR 22R AFTER END CORRODED. CORROSION BLEND OUT 0.080 X .5 X 2 INCHES EXCEED SRM LIMIT. M/D BS 1740-1960 STR 22R STRINGER REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02 REFER NRC 51873 FOR WORKING DETAIL.