Service difficulty report · Doubler · Boeing 747200

Difficulty date
August 6, 2007
Submitted
August 29, 2007
Operation
Air carrier
Aircraft
N521UP
Make and model
Boeing 747200
Aircraft serial
21944
Aircraft time
79,715 hours, 18,925 cycles
Part
Doubler
Part number
65B01735124
Condition
Cracked
Location
Fuselage
Stage of operation
IN
How discovered
V
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 RIGHT BS 840 TENSION TIE TO FRAME CONNECTION FOUND NR 3 HOLE CRACK AT FRAME WEB DOUBLER RUNNING UP. CRACK LENGTH 0.030 INCH. M/D RIGHT BS 840 TENSION TIE TO FRAME ATTACH DOUBLER REPLACED AND INSTALLED BETWEEN STR 9R TO STR 12R AREA AS PER SRM 51-10-01 PG 9 AND 51-30-02.

More about the Boeing 747-200