# SDR LR7A2012040500356

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2012
- Submitted: April 14, 2012
- Operation: Air carrier
- Aircraft: [N404LC](https://openairdocs.org/aircraft/N404LC), registered now
- Make and model: Lkheed 382G
- Aircraft serial: 4763
- Aircraft time: 64,899 hours, 38,319 cycles
- System (JASC): [5413 · Nacelle/Pylon, Longeron/Stringer](https://openairdocs.org/jasc/5413)
- Part: Longeron
- Part number: 3625018
- Part serial: 0690472
- Condition: Corroded
- Location: Bs 473
- 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/LR7A2012040500356

## Discrepancy

DURING SCHEDULED C-10 CHECK, FOUND NR 3 QEC RT LOWER LONGERON CORROSION AT INNER LOWER FLANGE AT FS 473.   REPAIRED BY REPLACEMENT IAW SMP583 51-70 & 54-20, PAGES 2 THROUGH 4.

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