Service difficulty report · Longeron · Doug MD11F

Difficulty date
September 9, 2011
Submitted
September 9, 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
AGA70271
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

CORROSION ON LONGERON 51L AT BS 6-73.5. REMOVED CORROSION IAW SRM 51-21-01 REV 47. ORIGINAL THICKNESS = 0.090 INCH; MATERIAL REMOVED = 0.032"; MATERIAL REMAINED = 0.058 INCH, FOUND EXCEEDED LIMIT IAW SRM 53-00-00, REV 47, FIG 205. FABRICATED NEW LONGERON IAW DWG AGA7027, REV -. LONGERON TRIMMED-OFF FROM EXISTING SPLICE. NEW LONGERON INSTALLED IAW SRM 51-31-01, REV 47. REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100, REV 113.

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