What was found
FLOORBEAM UPPER CHORD BS 480 LBL 33-63 CORRODED. CORROSION BLEND OUT 0.034" BY 1" BY 20" EXCEED SRM LIMIT. BS 480 BL0 TO LBL78 FLOORBEAM UPPER CHORD. REPAIRED AS PER SRM 53-10-07 FIG 10.
- Difficulty date
- May 11, 2006
- Submitted
- May 22, 2006
- Operation
- Air carrier
- Aircraft
- N521UP
- Make and model
- Boeing 747211B
- Aircraft serial
- 21944
- Aircraft time
- 77,205 hours, 18,330 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Corroded
- Location
- Bs 480
- 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.