What was found
LEFT WING, WBL 235.5 IN SPAR RIB, LOWER CHORD BETWEEN STRINGERS 2 & 3 CRACKED. CUT OUT CRACKED SECTION OF LOWER CHORD, FAB'D & INSTALLED REPAIR FILLERS & TEE PER EA 98492, DEFECT SIZE: 0.6 INCH.
- Difficulty date
- March 15, 2007
- Submitted
- March 15, 2007
- Operation
- Air carrier
- Aircraft
- N423US
- Make and model
- Boeing 737401
- Aircraft serial
- 23990
- Aircraft time
- 49,240 hours, 49,240 cycles
- System (JASC)
- 5712 · Wing, Rib/Bulkhead
- Part
- Rib
- Part number
- 654544555
- Condition
- Cracked
- Location
- Lt Wing
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.