SDR FDEA201108293544

Service difficulty report · Longeron · Doug MD11F

Difficulty date: August 29, 2011
Submitted: August 29, 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
Part number: AEA0220507
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

LONGERON 16L BS 1179-1199 CORRODED. CORROSION REMOVED IAW SRM 51-21-01, REV 47. ORGINAL THICKNESS = 0.125"; MATERIAL REMOVED = 0.065"; MATERIAL REMAINED = 0.060 INCH, FOUND EXEEDED LIMIT IAW SRM 53-00-00, REV 47, FIG 205. NEW LONGERON FABRICATED IAW DWG AEA7065, REV B AND INSTALLED IAW SRM 51-31-01, REV 47. REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100, REV 112.

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