Service difficulty report · Keel Beam · Boeing 747122

Difficulty date
February 13, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N850FT
Make and model
Boeing 747122
Aircraft serial
19755
Part
Keel Beam
Condition
Corroded
Location
Bs 1241-1480
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 AREA BETWEEN STA 1241 TO STA 1480, 4 LOCATIONS. STA 1270 LT, STA 1340, STA 1420 AND STA 1440. AREAS BLENDED, CLEANED, ALODINED AND PRIMERED. FOUND WITHIN LIMITS AS PER BOEING SRM 53-10-01.