# SDR IXXA0500137S

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 2005
- Submitted: December 9, 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/IXXA0500137S

## Discrepancy

DURING A ROUTINE C CHECK INSPECTION, FOUND RT WING UPPER FRONT SPAR CAP STRUCTURE CRACKED BETWEEN STA XFS-6 CAP.  MAJOR REPAIR ACCOMPLISHED REMOVAL OF FASTENERS AND CORROSION FROM SLANT PANEL UPPER CAP.  FOUND OUT OF LIMITS.  CLEANED, TREATED AND PRIMED AREA.  INSTALLED DOUBLER AND REMOVED UPPER SPAR CAP.  REMOVED STIFFENER PERFORMED NDT INSPECTION.  APPLIED SEALANT TO FAYING SURFACES.  INSTALLED DOUBLER AND ANGLE DOUBLER 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, 51-3-1, 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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