# SDR 200500289

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2005
- Submitted: February 15, 2005
- Operation: Air carrier
- Filed by: [Marana Aerospace Solutions Inc, repair station ERKR675D](https://openairdocs.org/faa-repair-station/ERKR675D/marana-aerospace-solutions-inc.md) (OpenAirDocs)
- Aircraft: [N471EV](https://openairdocs.org/aircraft/N471EV), registered now
- Make and model: Boeing 747273C
- Aircraft serial: 20651
- Aircraft time: 91,668 hours, 21,858 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Part number: 65B010245
- Condition: Corroded
- Location: Lt Wing
- 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/200500289

## Discrepancy

DURING C-CHECK, FOUND CORROSION ON LEFT HAND WING LOWER FRONT SPAR CHORD.  THE MAJOR REPAIR REQUIRED REPLACING 186 INCHES OF THE SPAR CHORD.

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