# SDR LR7A2019062401713

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2019
- Submitted: July 4, 2019
- Operation: Air carrier
- Aircraft: [N409LC](https://openairdocs.org/aircraft/N409LC), registered now
- Make and model: Lkheed 382G
- Aircraft serial: 4695
- Aircraft time: 38,886 hours, 24,089 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: 3412373634123737
- Condition: Cracked
- Location: Lt Wing
- Component: Wing, Lkheed
- Component part number: 330815011
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/LR7A2019062401713

## Discrepancy

DURING SCHEDULED C-1 CHECK UNDER JOB CARD HC5711, FOUND LT OUTBD UPPER SURFACE TRAILING EDGE SKIN FWD AND AFT PANEL WITH SURFACE CORROSION, BULGING, SUNKEN AND SHEARED RIVETS, CRACKS, AND INTERGRANULAR CORROSION WITH LOWER BEADED SKIN DEBONDED AND CORRODED AT OWS303-339.  REPAIR BY REPLACEMENT ACCOMPLISHED IAW SMP583 SRM, CH. 51-60 & 51-70.    NR# 2275.

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