Service difficulty report · Longeron · Doug MD11F

Difficulty date
September 9, 2011
Submitted
October 7, 2011
Operation
Air carrier
Aircraft
N643FE
Make and model
Doug MD11F
Aircraft serial
48486
Aircraft time
48,609 hours, 9,839 cycles
Part
Longeron
Part number
A6A70291
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

FORWARD CARGO BETWEEN STA 6-10 TO STA 6-50 LONGERON 38R FOUND CORRODED. CORROSION AT FWD CARGO LONGERON BETWEEN STA 6-10 TO STA 6-50, LONGERON 38R. REMOVED IAW SRM 51-21-01, REV 47 AT STA 6-48. MATERIAL ORIGINAL THICKNESS = 0.170"; MATERIAL REMOVED = 0.81"; MATERIAL REMAINED = 0.089"; FOUND EXCEEDED LIMIT IAW SRM SRM 53-00-00, REV 47, FIGURE 205. CORRODED LONGERON REMOVED FROM THE EXISTING SPLICE BETWEEN 6-0 TO STA 6-60. FABRICATED NEW REPAIR SPLICE AND LONGERON SECTION AND INSTALLED IAW SRM 51-31-01 AND SRM 53-00-05, REV 47, FIG 202 REPAIR 1. REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100, REV 113.

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