SDR ERKR2015122100013

Service difficulty report · Skin · Doug MD11F

Difficulty date: October 15, 2015
Submitted: December 21, 2015
Operation: Air carrier
Filed by: ERKR675D
Marana Aerospace Solutions Inc
Aircraft: N411SN
Make and model: Doug MD11F
Aircraft serial: 48411
Aircraft time: 70,733 hours, 13,844 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Part number: 7150T9151
Condition: Corroded
Location: Bs 1239
Part time: 70,733 hours, 13,844 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

UNDER FLOOR PANEL 263BF, APPROX BS 1239, RBL 5 WING CENTER BOX CORRODED. ADDITIONAL AREAS OF EXFOLIATION ON CTR WING UPPER SKIN LOCATED AT, RBL XCW=-15.5, -17, -20, 56.5 & -82.0 ALONG STRINGER 15 & XCW=-71.5 AT STRINGER 19 ALSO XCW=+4.0 STRINGER 15.

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