Service difficulty report · Spar · Doug DC983

Difficulty date
June 27, 2014
Submitted
June 27, 2014
Operation
General aviation
Aircraft
N120MN
Make and model
Doug DC983
Aircraft serial
53120
Aircraft time
41,837 hours, 41,922 cycles
System (JASC)
5711 · Wing Spar
Part
Spar
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

HEAVY CORROSION ON RT WING REAR SPAR LOWER CHORD RWS 467. SPECIFIC ALLOWABLE DAMAGE WAS NOT FOUND IN A INDIVIDUAL REPAIR PROCEDURE-BLEND OUT AREA COMMON TO THE RT WING REAR SPAR LOWER CAP SEGMENT WAS DETERMINED TO BE OUT OF LIMITS IAW SRM 57-01, FIG 1, SHT 3. AREA THE REPAIR WAS INSTALLED IAW SRM 57-09, FIG 30.

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