- 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
- Doubler
- 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
FACTORY DOUBLER AT BS 1000 BETWEEN STR 4L AND 4R IS CORRODED.