# SDR 9904146614

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N614US](https://openairdocs.org/aircraft/N614US), registered now
- Make and model: Boeing 747251B
- Aircraft serial: 20359
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Condition: Corroded
- Location: Ws 1390
- 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/9904146614

## Discrepancy

DURING L CHECK, FOUND CORROSION ON LEFT WING FRONT SPAR LOWER CHORD TO PLANK AT WS 1390.  REPAIRED PER EA 66-169480.

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