# SDR 9717076623

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N623US
- Make and model: Boeing 747251B
- Aircraft serial: 21705
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar Web
- Condition: Corroded
- Location: Ws 600-610
- 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/9717076623

## Discrepancy

DURING PERIODIC CHECK, FOUND CORROSION ON FRONT SPAR WEB AT LOWER CHORD BETWEEN FSSI 600 AND 610.  REPAIRED PER EA 66-151501.

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