What was found
CORROSION ON FLOORBEAM CAP AT NUT PLATE BS 2220 LBL 60. REMOVED CORROSION, REMOVED AND REPLACED SECTION OF FLOORBEAM AT BS 2220 LBL 60 PER 747-400 SRM 51-70-12 FIG 201 REPAIR 1.
- Difficulty date
- October 31, 2011
- Submitted
- November 1, 2011
- Operation
- Air carrier
- Aircraft
- N491EV
- Make and model
- Boeing 747412
- Aircraft serial
- 26561
- Aircraft time
- 80,344 hours, 13,970 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.