What was found
LEFT WING L/E HAS CORROSION AT WS 1430 IN L/E COMPONENT. REMOVED AND REPLACED LT WING L/E SUPPORT BEAM SECTION BETWEEN WS 1336 TO WS 1430 IAW EA 747-5750-28-A6870, REV IR.
- Difficulty date
- July 13, 2017
- Submitted
- July 14, 2017
- Operation
- Air carrier
- Aircraft
- N429MC
- Make and model
- Boeing 747481
- Aircraft serial
- 24833
- Aircraft time
- 96,607 hours, 13,850 cycles
- System (JASC)
- 5720 · Wing Miscellaneous Structure
- Part
- Support Beam
- Part number
- 65B1186229
- Condition
- Corroded
- 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.