# SDR LR7A2020021082244

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2020
- Submitted: February 11, 2020
- Operation: Air carrier
- Aircraft: [N409LC](https://openairdocs.org/aircraft/N409LC), registered now
- Make and model: Lkheed 382G
- Aircraft serial: 4695
- Aircraft time: 39,575 hours, 24,634 cycles
- System (JASC): [5521 · Elevator, Spar/Rib](https://openairdocs.org/jasc/5521)
- Part: Spar
- Condition: Corroded
- Location: Rt Elevator
- Component: Elevator, Lkheed
- Component part number: 3700186
- 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/LR7A2020021082244

## Discrepancy

DURING SCHEDULED B-1 CHECK WHILE PERFORMING OTHER MAINTENANCE, FOUND THE RH ELEVATOR FORWARD SPAR WEB CORRODED AT THE LOWER INBOARD SPAR RAIL, HSS51-56R, FS1108. / REPAIRED IAW LOCKHEED SMP583 SRM, FIGURE 51-140-17.    NR# 1000151823.

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