Service difficulty report · Floorbeam · Boeing 747121

Difficulty date
March 14, 2006
Submitted
March 31, 2006
Operation
Air carrier
Aircraft
N681UP
Make and model
Boeing 747121
Aircraft serial
19661
Aircraft time
106,939 hours, 27,146 cycles
Part
Floorbeam
Part number
65B163591
Condition
Corroded
Location
Bs 1253
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

BS 1253 LBL 11 TO RBL 11 LATERAL FLOOR SUPPORT FOUND CORRODED. CORROSION BLEND OUT 0.045" BY 1.5" BY 2" EXCEED SRM LIMIT. FLOOR SUPPORT REPLACED AS PER SRM 51-10-01 PG9 AND INSTALLED AS PER SRM 51-30-02.