Service difficulty report · Keelbeam · Boeing 747412

Difficulty date
July 30, 2020
Submitted
October 15, 2020
Operation
Air carrier
Aircraft
N756CA
Make and model
Boeing 747412
Aircraft serial
26547
Aircraft time
82,338 hours, 13,417 cycles
Part
Keelbeam
Part number
65B1507310
Condition
Corroded
Location
100
Part time
82,338 hours, 13,417 cycles
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

WHILE ACCOMPLISHING TASK CARD 53-830-01-01 FOUND KEEL BEAM RT LOWER CHORD HAS HEAVY CORROSION AT STA 1030 VIEWED THROUGH LOWER BELLY ACCESS DOOR 192AR. REPAIRED PER VT-SAA EA 747-5354-56-A8468 REV A.