Service difficulty report · Keelbeam · Boeing 747409

Difficulty date
May 3, 2020
Submitted
May 7, 2020
Operation
Air carrier
Aircraft
N249BA
Make and model
Boeing 747409
Aircraft serial
24309
Aircraft time
84,834 hours, 16,247 cycles
Part
Keelbeam
Part number
65B140571
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

CORROSION - BEEM, KEEL BEEM LOWER SIDE STRUCTURE SCREW HOLE AFT SIDE AND FWD SIDE, STA 1427, LBL 4 TO RBL 10.(<P>REMOVED DAMAGED PARTS IAW SRM 51-40-02 REV 45. INSTALLED NEW PART IAW SRM 51-40-02 REV 45 AND DWG NO 65B10925 SH 15 REV 0 AND DWG NO 65B10925 SH 17 REV F AND DWG NO 65B10925 CH 16 REV C. JOB COMPLETED AND CONDITION CHECK NORMAL.</P>)