Service difficulty report · Stiffener · Boeing 747123

Difficulty date
April 22, 2002
Submitted
May 22, 2002
Operation
Air carrier
Aircraft
N676UP
Make and model
Boeing 747123
Aircraft serial
20101
Aircraft time
75,235 hours, 21,257 cycles
Part
Stiffener
Condition
Corroded
Location
Fuselage
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

INSPECTION TYPE:C LWLG - BS 1241 BULKHEAD LBL 87 CENTER TANK TRANSFER VALVE BONDING JUMPER ATTACHMENT VERT STIFFENER CORRODED. CORROSION REMOVED IAW SRM 51-10-01. BLEND OUT NOT WITHIN SRM 57-10-01 LIMITS. LWLG BS 1241 LBL 87 VERTICAL STIFFENER REPLACED AS PER SRM 51-10-01 PG 8.