Service difficulty report · Longeron · Doug MD11

Difficulty date
July 31, 2005
Submitted
August 2, 2005
Operation
Air carrier
Aircraft
N579FE
Make and model
Doug MD11
Aircraft serial
48470
Aircraft time
47,942 hours, 9,821 cycles
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 BILGE STATION 1751 LONGERON 46R CORROSION FOUND AS MARKED. CORROSION ON CENTER CARGO BILGE STATION 1751 LONGERON 46 R/H REMOVED AS PER SRM 51-21-01 VOL II AND FOUND EXCEEDED LIMIT AS PER SRM 53-00-01, FIG 3, VOL I. ORIGINAL THICKNESS=0.145", THICKNESS REMOVED=0.053" & THICKNESS REMAINING=0.092". REPAIR CARRIED OUT ON EXCEEDED LIMIT AREA AS PER SRM 53-10-00, FIG 2A, VOL I. THIS REPAIR CLASSIFIED AS MAJOR AS PER GMM 6-2-100.

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