Service difficulty report · Fuel Cell · Boeing 747273C

Difficulty date
March 13, 2009
Submitted
March 25, 2009
Operation
Air carrier
Aircraft
N471
Make and model
Boeing 747273C
Aircraft serial
D3303
Aircraft time
100,287 hours, 23,726 cycles
Part
Fuel Cell
Condition
Corroded
Location
Bs 1000
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

CTR FUEL TANK LWR SKIN, LWR SURFACE HAS CORROSION AT BS 1000 LBL 85. REMOVED CORROSION, FABBED AND INSTALLED REPAIR PER ECRA 471-57-267-2.