# SDR KCSA101192

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2010
- Submitted: December 2, 2010
- Operation: Air carrier
- Aircraft: [N712CK](https://openairdocs.org/aircraft/N712CK), registered now
- Make and model: Boeing 747122
- Aircraft serial: 19754
- Aircraft time: 102,189 hours, 24,702 cycles
- Engine: Pwa JT9D7A
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Condition: Corroded
- Location: Zone 500
- 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/KCSA101192

## Discrepancy

CORROSION LT WING FRONT SPAR LOWER CHORD AT WS 1475.

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