Service difficulty report · Keel Beam · Boeing 747124

Difficulty date
May 20, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N855FT
Make and model
Boeing 747124
Aircraft serial
19733
Part
Keel Beam
Condition
Corroded
Location
Bs 1058-1070
Stage of operation
IN
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

LEVEL 1 CORROSION BS 1058 TO 1070 LBL 7 TO LBL 8 KEEL BEAM BOX LOWER SURFACE. REMOVED CORROSION PER BOEING SRM 51-10-01, WITHIN LIMITS PER 53-10-01 AND TREATED PER 51-10-02, 51-24-11.