Service difficulty report · Doubler · Boeing 747121

Difficulty date
August 10, 2006
Submitted
September 5, 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
65B01734101
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 BS 820 LT SIDE TENSION TIE TO FRAME CONNECTION FASTENER HOLE FOUND CRACK AT WEB DOUBLER. CRACK LENGTH 0.040 INCH. M/D BS820 LHS FRAME ATTACHED DOUBLER BETWEEN STR9L TO STR12L AREA REPLACED AND INSTALLED IAW SRM 51-10-01 PG9 AND 51-30-02.