Service difficulty report · Support · Boeing 747121

Difficulty date
March 13, 2006
Submitted
April 5, 2006
Operation
Air carrier
Aircraft
N681UP
Make and model
Boeing 747121
Aircraft serial
19661
Aircraft time
106,939 hours, 27,146 cycles
Part
Support
Part number
65B140581
Condition
Corroded
Location
Bs 1460
Stage of operation
IN
How discovered
9
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

FX KEEL BEAM PANEL SUPPORT LOWER SURFACE FOUND CORROSION AT STA 1460 RBL 16 TO LBL 16 LWR SURFACE. CORROSION BLEND OUT 0.050" BY 1.5" BY 20" EXCEED SRM 53-10-01 FIG 1 LIMITS. THE SUPPORT REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02.