# SDR DL733002036

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 16, 2000
- Submitted: October 18, 2000
- Operation: Air carrier
- Aircraft: N951WP
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 22951
- Aircraft time: 43,496 hours, 29,633 cycles
- System (JASC): [5740 · Wing, Attach Fittings](https://openairdocs.org/jasc/5740)
- Part: Fitting
- Part number: 6545321513
- Condition: Cracked
- Location: Lt Wing
- 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/DL733002036

## Discrepancy

THE MLG BEAM OUTBOARD AFT ATTACH FITTING WAS FOUND WITH A TYPICAL CRACK EMANATING FROM AN ATTACHMENT HOLE COMMON TO THE REAR SPAR UPPER CHORD.  BOLT HOLE HFEC INSPECTION REVEALED A CRACK IN THE SPAR WEB AT THE FASTENER LOCATION.  THE HOLE WAS OVERSIZED TO REMOVE THE CRACK IN THE WEB AND AN OVERSIZE BOLT INSTALLED.  THE CRACK IS TYPICAL OF S/B 737-57-126.  THE REPAIR IS TIME LIMITED PER ER/A 378947-14.

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