# SDR DALA2019100765748

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2019
- Submitted: October 7, 2019
- Operation: Air carrier
- Aircraft: [N539US](https://openairdocs.org/aircraft/N539US), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26486
- Aircraft time: 71,392 hours, 26,976 cycles
- System (JASC): [5754 · Leading Edge Devices](https://openairdocs.org/jasc/5754)
- Part: Wedge
- Condition: Debonded
- Location: Nr 3 Slat
- Stage of operation: IN
- How discovered: U
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019100765748

## Discrepancy

TWO  AREAS OF DISBOND FOUND DURING ULTRASONIC BOND INSPECTION ON THE UPPER SURFACE OF THE T/E/ WEDGE, LOCATED APPROXIMATELY 10" INBD OF THE O/B EDGE OF #3 SLAT AND 7" AFT OF THE L/E. CORRECCTIVE ACTION: REMOVED DAMAGED SKIN ON #3 SLAT T/E WEDGE UPPER SKIN LOCATED AT SLAT STA. OSS 560.00, ACCOMPLISHED PERMANENT BONDED ACCOMPLISHED POST-REPAIR INSPECTION PER B757 NDTM PT.4 57-40-01 WITH NO DISBONDS NOTED.

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