# SDR 9903436632

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N632US
- Make and model: Boeing 747251B
- Aircraft serial: 23112
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar Web
- Condition: Cracked
- Location: Ws 574 582
- 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/9903436632

## Discrepancy

DURING M-CHECK, RIGHT WING MIDSPAR WEB WAS FOUND WITH CRACKS BETWEEN WS 574 AND 582 AT FASTENER LOCATIONS COMMON TO THE UPPER CHORD.  REPAIRED PER EA 66-168586 (P/N 65B17246-4).

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