# SDR 9808366612

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N612US
- Make and model: Boeing 747251B
- Aircraft serial: 20357
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Condition: Corroded
- Location: Ws 971
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9808366612

## Discrepancy

DURING M-CHECK, FOUND CORROSION ON FRONT SPAR ABOVE LOWER CHORD AT FS 971 OPPOSITE LEADING EDGE FLAP NR 7.  REPAIRED PER EA 66-155580.

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