What was found
BS 496-535 LEFT BUTTOCK LINE 37 TO 44 WATER LINE 309 FLOORBEAM UPPER CHORD ENLONGATED HOLES AND CORROSION. REMOVED FABRICATED AND INSTALLED NEW UPPER CHORD PER B747 SRM 51-30-02 AND 51-30-05.
- Difficulty date
- February 25, 2011
- Submitted
- February 28, 2011
- Operation
- Air carrier
- Aircraft
- N471EV
- Make and model
- Boeing 747273C
- Aircraft serial
- 20651
- Aircraft time
- 104,991 hours, 24,717 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Damaged
- 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.