What was found
C2 CHECK - CRACK ON WING CENTER SECTION VERTICAL STIFFENER AT BS 663.15, WL 170.4, RBL 6.15. WING CENTER SECTION VERTICAL STIFFENER AT BS 663.15, WL 170.4, RBL 6.15 IAW EO 5704V245 & EA 104233.
- Difficulty date
- October 12, 2012
- Submitted
- October 16, 2012
- Operation
- Air carrier
- Aircraft
- N421US
- Make and model
- Boeing 737401
- Aircraft serial
- 23988
- Aircraft time
- 63,340 hours, 42,357 cycles
- System (JASC)
- 5714 · Wing, Center Box
- Part
- Stiffener
- Part number
- 65C300362
- Condition
- Cracked
- Location
- Center Wing
- 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.