Service difficulty report · Bulkhead · Doug DC983

Difficulty date
July 3, 2014
Submitted
July 8, 2014
Operation
Air carrier
Aircraft
N120MN
Make and model
Doug DC983
Aircraft serial
53120
Aircraft time
41,837 hours, 41,922 cycles
Part
Bulkhead
Condition
Corroded
Location
Bs 1380
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

BULKHEAD HAS CORROSION UNDER RECIRCULATION DUCTING BS 1380 FWD SIDE. REMOVED CORROSION AT BS 1380 ON CANTED FRAME WEB, DOUBLERS, AND CHORD. PARTS WERE FOUND TO BE WITHIN LIMITS IAW SRM 51-10-3. HORZONTAL STIFFENER AT CANTED FRAME RBL-LBL 10 WAS OUT OF LIMITS SO PART WAS REMOVED. FABRICATED AND INSTALLED IAW SRM 51-10-4, 53-14-4 FIG 3 AND 51-30-5.

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