- Difficulty date
- April 17, 2012
- Submitted
- April 17, 2012
- Operation
- Air carrier
- Make and model
- Boeing 747251B
- Aircraft serial
- 23111
- Aircraft time
- 92,249 hours, 14,119 cycles
- Part
- Stiffener
- 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.
What was found
CORROSION ON MAIN DECK FLOORBEAM STIFFENER AT BS 1438, RBL 96.