Service difficulty report · Doubler · Boeing 747121

Difficulty date
August 10, 2006
Submitted
September 29, 2006
Operation
Air carrier
Aircraft
N682UP
Make and model
Boeing 747121
Aircraft serial
20349
Aircraft time
104,700 hours, 26,436 cycles
Part
Doubler
Part number
65B01734102
Condition
Cracked
Location
Bs 820
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 RT BS920 FRAME AT TENSION TIE CONNECTION FOUND 1 HOLE CRACK AT WEB DOUBLER, CRACK LENGTH 0.040". M/D BS 820 RHS FRAME ATTACHED DOUBLER BETWEEN STR 9R TO STR 12R AREA REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02 AND RS R53-25-35562 AND UPS EO B747-5310-25070-A.