Service difficulty report · Spar Cap · Doug DC871F

Difficulty date
May 19, 2006
Submitted
July 19, 2006
Operation
Air carrier
Aircraft
N830BX
Make and model
Doug DC871F
Aircraft serial
45973
Aircraft time
78,898 hours, 31,422 cycles
Part
Spar Cap
Part number
56550691
Condition
Corroded
Location
Rudder
Part time
78,898 hours, 31,422 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 ROUTINE C CHECK INSPECTION, RUDDER LEFT HAND CAP CORRODED AT HINGE SUPPORT AT STATION ZR 103.000. PERFORMED MAJOR REPAIR IAW DC-8 SRM 55-6-1 FIGURE 2, SHEET 1, AND 3, DOUGLAS DRAWING 5655068. REMOVED CORROSION IAW DC8 SRM 51-1-8 PAGES 17, 18. FOUND OUT OF LIMITS IAW DC8 SRM 55-2-0 PAGE 12. REMOVED CORRODED SPAR CAP IAW DC-8 SRM 51-1-21, DC-8 SRM 55-1-0, DC8 SRM 51-3-0, DC8 SRM 51-1-20D. CLEANED, TREATED AND PRIMED AREA IAW DC-8 SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACES IAW DC8 SRM 51-1-11. INSTALLED NEW SPAR CAP, IAW DC8 SRM 51-1-2L, DC8 SRM 51-3-0, DC8 SRM 51-1-20D, DC8 SRM 51-3-1. PERFORMED REBALANCE TO RUDDER IAW DC8 SRM 51-4-6. FOUND WITHIN TOLERANCE LIMITS. MOMENT 2540 14 IN LBS.

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