What was found
LEFT WING IN WBL 135.5 RIB UPPER CHORD ABOUT 6 INCHES FWD OF REAR SPAR. SPLICED IN REPAIR ANGLE & DOUBLERS PER EA 98495, DEFECT SIZE: 0.5 INCH.
- Difficulty date
- March 20, 2007
- Submitted
- March 20, 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
- 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.