Service difficulty report · Skin · Boeing 747409

Difficulty date
April 10, 2010
Submitted
August 9, 2010
Operation
Air carrier
Aircraft
N18211
Make and model
Boeing 747409
Aircraft serial
33735
Aircraft time
27,748 hours, 3,816 cycles
Part
Skin
Condition
Corroded
Location
Bs 1735 S-51l/R
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

DURING D01 CHECK, AFTER CARGO COMPARTMENT BILGE AREA SKIN FOUND CORROSION NEAR BS 1735 AND S51L-S51R. REINFORCE THE SKIN WITH 2024T3_0.125THK. IAW EO 744-53-00-0120 AND EO 744-53-00-120R1 WITH FAA 8100-9, CATEGROY B APPROVAL.