What was found
BS 520 LBL 26-28 FLOORBEAM UPPER CHORD FOUND CORRODED. CORROSION BLEND OUT 0.054" BY 1" BY 2" EXCEED SRM 53-10-01 FIG 1 LIMITS. FLOORBEAM UPPER CHORD REPAIRED AS PER SRM 51-40-04 FIG 3 REFER NRC NR 50665 FOR WORKING DETAIL.
- Difficulty date
- October 20, 2006
- Submitted
- November 13, 2006
- Operation
- Air carrier
- Aircraft
- N677UP
- Make and model
- Boeing 747123F
- Aircraft serial
- 20391
- Aircraft time
- 97,105 hours, 24,042 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Corroded
- 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.