Service difficulty report · Skin · Doug MD11F

Difficulty date
June 30, 2008
Submitted
July 15, 2008
Operation
Air carrier
Aircraft
N609FE
Make and model
Doug MD11F
Aircraft serial
48549
Aircraft time
53,684 hours, 12,095 cycles
Part
Skin
Part number
APB74411
Condition
Corroded
Location
Zone 200
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

MAIN DECK CARGO COMPARTMENT, CORROSION FOUND ON UPPER SURFACE OF PRESSURE BOUNDARY OVER WING AT STA 1227, XCW= 72.5 RT FASTENER AREA APPROXIMATELY 1 INCH DIAMETER. UPPER SURFACE CORROSION ON MAIN DECK CARGO COMPARTMENT AT STA 1227 XCW=72.5 FASTENER AREA. REMOVED AS PER SRM 51-21-01 VOL II AND FOUND WITHIN LIMIT AS PER SRM 57-20-00 FIG 13 VOL I, ORIGINAL THICKNESS: 0.168 INCH, MATERIAL REMOVED: 0.012 INCH, REMAINING THICKNESS, 0.156 INCH. REPAIR CLASSIFIED AS MINOR AS PER FEDEX GMM 6-2-100.

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