# SDR DLL13970118

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N790DL
- Make and model: Lkheed 10113851
- Aircraft serial: 193A1143
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar Web
- Part number: 1503232129
- Condition: Fatigue
- Location: Center Wing
- Stage of operation: IN
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLL13970118

## Discrepancy

DURING INSP OF CENTER WING TANK, FS 1043, 1103, 1163 SPAR WEBS WERE FOUND WITH A MISSING ROW OF FASTENERS AT LBL AND RBL 116 END RIBS.  THIS WAS A MANUFACTURE DEFECT.  NUMEROUS CRACKS WERE FOUND EMANATING FROM THE HOLES.

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