What was found
UPPER DECK BS 420, LBL 33, FLOORBEAM STIFFENER CRACKED. CRACKED STIFFENER REMOVED PER 747 SRM 51-30-02. FABRICATED NEW STIFFENER PER BOEING DRAWING 65B11240-11 AND INSTALLED PER 51-30-02.
- Difficulty date
- January 5, 2009
- Submitted
- February 11, 2009
- Operation
- Air carrier
- Aircraft
- N490EV
- Make and model
- Boeing 747230F
- Aircraft serial
- 24138
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Cracked
- Location
- Bs 420
- 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.