What was found
BS 680 LBL4 FLOORBEAM UPPER SURFACE CORROSION. CORROSON BLEND OUT 0.055" BY 2" BY 4" EXCEED SRM LIMIT. M/D BS680 LBL4 FLOORBEAM UPPER CHORD REPAIRED AS PER SRM 51-40-04 FIG 3.
- Difficulty date
- August 15, 2006
- Submitted
- September 1, 2006
- Operation
- Air carrier
- Aircraft
- N682UP
- Make and model
- Boeing 747121
- Aircraft serial
- 20349
- Aircraft time
- 104,700 hours, 26,436 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.