Service difficulty report · Keel Beam · Boeing 747122

Difficulty date
August 1, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N852FT
Make and model
Boeing 747122
Aircraft serial
19757
Part
Keel Beam
Condition
Corrosion
Location
Bs 1220
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 FOUND ON KEEL BEAM LOWER WEB BS 1220-40 BL R9-L9. REMOVED AND BLENDED CORROSION SURFACE PER SRM 51-10-01, 51-10-02 AND 51-24-11.