What was found
INSPECTION TYPE:C U/D BS 520 LBL 56-74 FLOORBEAM UPPER CHORD FOUND CORRODED. CORROSION BLEND OUT 0.070" X 1.5" X 2" EXCEED SRM LIMIT. U/D BS 520 LEFT O/B MOST TO RBL 56 FLOORBEAM UPPER CHORD REPAIRED AS PER SRM 53-10-07 FIG 13.
- Difficulty date
- May 9, 2006
- Submitted
- June 2, 2006
- Operation
- Air carrier
- Aircraft
- N521UP
- Make and model
- Boeing 747200
- Aircraft serial
- 21944
- Aircraft time
- 77,205 hours, 18,330 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.