Service difficulty report · Spar Cap · Doug DC6A

Difficulty date
April 22, 2013
Submitted
April 1, 2014
Operation
Air carrier
Aircraft
N6174C
Make and model
Doug DC6A
Aircraft serial
44075
Aircraft time
56,175 hours
Engine
Pwa R2800CB3
Propeller
Hamstd 43E60
System (JASC)
5711 · Wing Spar
Part
Spar Cap
Condition
Corroded
Location
Rt Wing
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

CORROSION ON LOWER CTR SPAR CAP AT RWS 177, REMOVED CORROSION. PERFORMED VISUAL & HFEC INSPECTIONS, NO CORROSION DETECTED. FOUND WITHIN LIMITS IAW TO 1C-118A-3-1 APPENDIX III FIGURE C-2. TREATED & PRIMED AREA FOR CORROSION PROTECTION. APPLIED SEALANT FOR AERODYNAMIC SMOOTHNESS EO 1321.

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