What was found
BS 1170 LBL11 TO RBL11 LATERAL FLOORBEAM FOUND CORRODED. CORROSION BLEND OUT 0.042" BY 3/4" BY 2" EXCEED SRM LIMIT. BS 1170 LBL 11 TO RBL 11 FLOORBEAM REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02.
- Difficulty date
- March 14, 2006
- Submitted
- April 3, 2006
- Operation
- Air carrier
- Aircraft
- N681UP
- Make and model
- Boeing 747121
- Aircraft serial
- 19661
- Aircraft time
- 106,939 hours, 27,146 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- 65B163581
- Condition
- Corroded
- Location
- Bs 1170
- 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.