SDR IXXA0500139S

Service difficulty report · Rib · Doug DC871F

Difficulty date: March 4, 2005
Submitted: December 9, 2005
Operation: Air carrier
Aircraft: N821BX
Make and model: Doug DC871F
Aircraft serial: 45811
Aircraft time: 85,895 hours, 36,255 cycles
System (JASC): 5712 · Wing, Rib/Bulkhead
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

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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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