What was found
C4 CHECK, LEVEL 2 EXFOLIATION CORROSION ON FLOORBEAM UPPER T CHORD AT BS 1640 BETWEEN RBL 12 TO RBL 58. REPLACED FLOORBEAM AT BS 1640 BETWEEN RBL 12 TO RBL 58 IAW SRM 53-00-51-1A, FIG 101, 53-00-51-2R-7 & 51-40-02.
- Difficulty date
- May 6, 2014
- Submitted
- May 9, 2014
- Operation
- Air carrier
- Aircraft
- N939UW
- Make and model
- Boeing 7572B7
- Aircraft serial
- 27303
- Aircraft time
- 64,411 hours, 24,551 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- 146N508922
- 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.