# SDR IXXA0500158S

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 2005
- Submitted: December 15, 2005
- Operation: Air carrier
- Aircraft: N821BX
- Make and model: Doug DC-8-71F
- Registry model: [Doug DC-8-71F](https://openairdocs.org/model/douglas-dc-8-71f) (OpenAirDocs)
- Aircraft serial: 45811
- Aircraft time: 85,895 hours, 36,255 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar Cap
- Condition: Cracked
- Location: Rt Wing
- Part time: 85,895 hours, 36,255 cycles
- 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/IXXA0500158S

## Discrepancy

DURING A ROUTINE C-CHECK INSPECTION FOUND RT WING UPPER FRONT SPAR CAP STRUCTURE HAS CRACK DAMAGE BETWEEN STA XFS -6 CAP.  MAJOR REPAIR ACCOMPLISHED REMOVAL OF FASTENERS.  REMOVED CORROSION FROM SLANT PANEL UPPER CAP AND FOUND OUT OF LIMITS.  CLEANED, TREATED AND PRIMED AREA.  INSTALLED DOUBLER AND REMOVED UPPER SPAR CAP DAMAGE.  REMOVED STIFFENER AND PERFORMED NDT INSPECTION.  APPLIED SEALING TO ALL FAYING SURFACES AND INSTALLED DOUBLER, ANGLE DOUBLER AND INSTALLED KIT (S/N 0570072-3).  TORQUED IAW S/B DC8 57-072 RO3, DWG, DACO 5892075, CN1, DC8 SRM 51-1-8, 51-1-11, 51-1-15, 51-1-20D, 51-1-22, 51-1-26, 51-3-30, 51-3-1, 57-2-0, 57-2-1, 57-3-1, 57-3-2, DPS 1.05-8, 3.67-3, 2.50.

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