SDR FDEA201109173914

Service difficulty report · Longeron · Doug MD11F

Difficulty date: September 17, 2011
Submitted: September 20, 2011
Operation: Air carrier
Aircraft: N643FE
Make and model: Doug MD11F
Aircraft serial: 48486
Aircraft time: 48,609 hours, 9,839 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Longeron
Condition: Corroded
Location: Zone 100
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

CENTER CARGO COMPARTMENT: STA 5-83 TO 5-93, RT LONGERON 33R CORRODED. CORROSION REMOVED IAW SRM 51-21-01, REV 47. ORIGINAL MATERIAL THICKNESS = 0.060"; MATERIAL REMOVED = 0.030"; MATERIAL REMAINED = 0.030" - FOUND OUT OF LIMITS IAW SRM 53-00-00, REV 47, FIG 205. ACCOMPLISHED EA 1-5310-154211, REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100, REV 113.

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