# SDR DALA2021101806425

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2021
- Submitted: October 18, 2021
- Operation: Air carrier
- Aircraft: [N542US](https://openairdocs.org/aircraft/N542US), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26489
- Aircraft time: 75,245 hours, 28,205 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: None
- Condition: None
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021101806425

## Discrepancy

SHIP 5642 L/H WING UPPER SURFACE HAS AREAS OF CORROSION ALONG REAR SPAR BETWEEN W.S 140 AND W.S 220. CORRECTIVE ACTION: REMOVED CORROSION AND REPAIRED L/WING UPPER SURFACE ALONG REAR SPAR BETWEEN WS 159 AND 200 IAW ERA 594767-14 REV ORIGINAL C/W ALL CDCCL AND SFAR 88 REQUIREMENTS. (1984475)

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