What was found
SUPPORT TASK - MAIN CABIN FLOORBEAM 1681 FWD FLANGE HAS CORROSION UNDER NUT PLATE RBL 47. INSTALLED REPAIR AT MAIN CABIN FLOORBEAM STA 1681 RBL 47 REF EC RA 5310-05373 STEPS 1 THROUGH 12.
- Difficulty date
- April 9, 2011
- Submitted
- April 11, 2011
- Operation
- Air carrier
- Aircraft
- N21108
- Make and model
- Boeing 757224
- Aircraft serial
- 27298
- Aircraft time
- 62,369 hours, 16,813 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- 146N5091
- 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.