# SDR LR7A2019062401922

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2019
- Submitted: July 10, 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): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Strap
- Part number: 37547133754711
- Condition: Corroded
- Location: Center Wing
- Component: Center Wing, Lkheed
- Component part number: 39403711
- 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/LR7A2019062401922

## Discrepancy

DURING SCHEDULED C-1 CHECK WHILE PERFORMING OTHER MAINTENANCE, FOUND THE CENTER WING CWS56L AND CWS56R DRAIN TROUGH INTERIOR DOUBLERS (STRAPS) CORRODED; FS597, WL256.  REPAIR BY REPLACEMENT ACCOMPLISHED IAW SRM, CH. 51-60 & 51-70.    NR# 6164.

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