SDR FDEA201106012066

Service difficulty report · Longeron · Doug MD11F

Difficulty date: June 1, 2011
Submitted: June 1, 2011
Operation: Air carrier
Aircraft: N645FE
Make and model: Doug MD11F
Aircraft serial: 48446
Aircraft time: 73,567 hours, 12,217 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Longeron
Condition: Corroded
Location: Bs 1321-1341
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

LONGERON 25R BETWEEN STA 1321-1341 CORRODED. CORROSION REMOVED IAW SRM51-21-01, REV 46. ORIGINAL THICKNESS : 0.200", MATERIAL REMOVED : 0.090" & REMAINING THICKNESS : 0.110" FOUND EXCEEDED LIMIT SRM53-00-00, FIG 205, REV 46. LONGERON REMOVED AND REPLACED IAW SRM 51-31-01, REV 46. REPAIR CLASSIFIED AS MAJOR IAW GMM6-2-100, REV 112.

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