# SDR IXXA0500139S

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 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): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Cracked
- Location: Ws 67.750
- 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/IXXA0500139S

## Discrepancy

DURING A ROUTINE C CHECK INSPECTION, FOUND RT OUTBOARD PYLON STUB WING N 4 RIB EXTENDED LEADING EDGE CRACK DAMAGE AT STA XOLDO 67.750.  MAJOR REPAIR ACCOMPLISHED REMOVAL OF DAMAGE.  FABRICATED NEW RIB.  PERFORMED NDT INSPECTION, CLEANED, TREATED AND PRIMED AREA+ NEW RIB.  APPLIED SEALANT TO FAYING SURFACES AND INSTALLED NEW RIB IAW DWG DACO 9753297, REPAIR SPEC NR 2003-05, DC8 SRM 54-1-0 PG 1, 54-3-0 FIG 14B, 51-1-1, 51-1-4, 51-1-20D, 51-3-1, 51-3-2, DPS 3.69-4 REV"AM" R-1, DPS 7.00-REV "BK".

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