What was found
Q4 CHECK - EXFOLIATION CORROSION ON PREVIOUSLY BLENDED FLOORBEAM T-CAP AT BS 986, BL-9. REPLACED FLOORBEAM T-CAP AT BS 986, BL-9 IAW B737 SRM 51-10-02, BOEING DRAWING 69C5346117.
- Difficulty date
- May 28, 2011
- Submitted
- July 13, 2011
- Operation
- Air carrier
- Aircraft
- N418US
- Make and model
- Boeing 737401
- Aircraft serial
- 23985
- Aircraft time
- 60,443 hours, 40,460 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- 9C53461174
- 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.