What was found
BS 360 LBL 40 FLOORBEAM FOUND CORRODED. CORROSION BLEND OUT 0.035 BY 2 BY 2 EXCEED SRM 53-10-01 FIG 1 LIMITS. BS 360 LBL 21" TO LT O/B END FLOORBEAM UPPER CHORD REPAIRED AS PER SRM 53-10-07 FIG 23.
- Difficulty date
- July 25, 2005
- Submitted
- August 3, 2005
- Operation
- Air carrier
- Aircraft
- N683UP
- Make and model
- Boeing 747121
- Aircraft serial
- 20353
- Aircraft time
- 87,225 hours, 21,374 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Corroded
- Location
- Fuselage
- 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.