# SDR DALA2019042292575

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2019
- Submitted: April 22, 2019
- Operation: Air carrier
- Aircraft: [N554NW](https://openairdocs.org/aircraft/N554NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26501
- Aircraft time: 49,847 hours, 21,927 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Cracked
- Location: Lt Wing
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019042292575

## Discrepancy

DURING NDT INSPECTION, A CRACK WAS FOUND AT FASTENER HOLE NR 3 ON THE LT WING UPPER SKIN, ABOVE PYLON FWD ATTACHMENT AREA.  FASTENER HOLE NR 3 WAS REPAIRED IAW ETI-57-19-037 REV. 6,  AND ER/A 577350-14 AD REV ORIG.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.