What was found
LEFT WING WBL 432.62, FIXED SUPPORT BEAM WEB STIFFNER IS CRACKED. REMOVED AND REPLACED SUPPORT BEAM WEB STIFFNER IAW SRM 51-40-02, AMM 51-20-01, AND 51-24-11.
- Difficulty date
- July 25, 2016
- Submitted
- July 26, 2016
- Operation
- Air carrier
- Aircraft
- N429MC
- Make and model
- Boeing 747481
- Aircraft serial
- 24833
- Aircraft time
- 93,683 hours, 13,280 cycles
- System (JASC)
- 5720 · Wing Miscellaneous Structure
- Part
- Stiffener
- Part number
- 65B108653
- Condition
- Cracked
- Location
- Lt 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.