Service difficulty report · Floorbeam · Boeing 747123F

Difficulty date
July 11, 2006
Submitted
August 2, 2006
Operation
Air carrier
Aircraft
N676UP
Make and model
Boeing 747123F
Aircraft serial
20101
Aircraft time
83,907 hours, 23,132 cycles
Part
Floorbeam
Condition
Damaged
Location
Bs 440
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 U/D BS440 MOST OF FLOORBEAM FASTENER HOLE FOUND SHORT EDGE BELOW 0.44" AS MARKED AT BETWEEN LBL 44 TO LBL 53 AND RBL 44 TO RBL 53 AREA. U/D BS 440 BETWEEN LBL68 TO RBL68 FLOORBEAM UPPER CHORD REPAIRED AS PER SRM 53-10-07 FIG 14 REFER NRC7031 FOR WORKING DETAIL L/R BL44 TO L/R BL53 FLOORBEAM ATTACH GUSSETS REPLACED AS PER SRM 51-10-01 PG 9.