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
Part
Longeron
Part number
ADA3065501
Condition
Corroded
Location
Bs 1059-1079
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

LOWER FWD CARGO COMPT BILGE AREA, STA 1059-STA 1079, LONG 48R FOUND WITH CORROSION. CORROSION REMOVED IAW SRM 51-21-01, REV 46. ORIGINAL THICKNESS : 0.080", MATERIAL REMOVED: 0.075" & REMAINING THICKNESS : 0.005" FOUND EXCEEDED LIMIT IAW SRM 53-00-00, FIG 205, REV 46. DAMAGED LONGERON TRIMMED OUT IAW SRM 53-00-05, FIG 202, REV 46. HFEC INSPECTION CARRIED OUT ON TRIMMED AREA FOUND NO CRACK. DAMAGED LONGERON REMOVED. NEW LONGERON FABRICATED IAW DWG ADA3065, REV 'H'. REPAIR SPLICE FABRICATED IAW SRM 53-00-05, FIG 202, REV 46. REPAIR CLASSIFIED AS MAJOR IAW GMM6-2-100, REV 112.

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