What was found
LH W FRONT SPAR OLES 1381 STIFFENER FOUND CORROSION.(<P>LH W FRONT SPAR OLES 1381 STIFFENER ASSY P/N: 65B15682-5 REPLACED AND INSTALLED IAW RI 57-21-15726 REV.A</P>)
- Difficulty date
- July 11, 2022
- Submitted
- July 11, 2022
- Operation
- Air carrier
- Aircraft
- N487MC
- Make and model
- Boeing 747
- Aircraft serial
- 30609
- Aircraft time
- 89,425 hours, 16,564 cycles
- System (JASC)
- 5700 · Wing Structure
- Part
- Stiffener
- Part number
- 65B156825
- Part serial
- NSN
- Condition
- None
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.