Service difficulty report · Doubler · Boeing 747212B

Difficulty date
May 30, 2007
Submitted
June 27, 2007
Operation
Air carrier
Aircraft
N520UP
Make and model
Boeing 747212B
Aircraft serial
21943
Aircraft time
83,127 hours, 18,423 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 CRACK FOUND AT DOUBLER AT LT SIDE OF BS 820 STR 10A ATTACHED TENSION TIE NR 4 HOLE CRACK LENGTH 3/16" APPROX AT 8 O/C POSITION. M/D BS 820 LT SIDE STR 10A FRAME ATTACH DOUBLER REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02.

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