What was found
CLT - Q6 CHECK - LEVEL 2 EXFOLIATION CORROSION ON THRESHOLD SUPPORT WEB AT BS 807, STR 25R. REPLACED THRESHOLD SUPPORT WEB AT BS 807, STR 25R IAW B737 SRM 51-40-02, 51-10-02, BOEING DRAWING 65-47957.
- Difficulty date
- May 21, 2011
- Submitted
- July 9, 2011
- Operation
- Air carrier
- Aircraft
- N420US
- Make and model
- Boeing 737401
- Aircraft serial
- 23987
- Aircraft time
- 60,775 hours, 40,896 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Web
- Part number
- 6547957U3
- 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.