# SDR UIEA2022070800756

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2022
- Submitted: July 11, 2022
- Operation: Air carrier
- Aircraft: [N487MC](https://openairdocs.org/aircraft/N487MC), registered now
- Make and model: Boeing 747
- Aircraft serial: 30609
- Aircraft time: 89,425 hours, 16,564 cycles
- System (JASC): [5700 · Wing Structure](https://openairdocs.org/jasc/5700)
- Part: Stiffener
- Part number: 65B156825
- Part serial: NSN
- Condition: None
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2022070800756

## Discrepancy

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>)

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