What was found
DURING SCHEDULED 10Y CHECK, FOUND CENTER WING BS 540 NR 5 UPPER STIFFENER CRACKED. REMOVED AND REPLACED STIFFENER PER SRM.
- Difficulty date
- May 4, 2011
- Submitted
- May 5, 2011
- Operation
- Air carrier
- Aircraft
- N404WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 27892
- Aircraft time
- 36,240 hours, 20,981 cycles
- System (JASC)
- 5714 · Wing, Center Box
- Part
- Stiffener
- Part number
- 111A2401
- Condition
- Cracked
- Location
- Center Wing Box
- 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.