Service difficulty report · Spar · Boeing 747122

Difficulty date
February 21, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N850FT
Make and model
Boeing 747122
Aircraft serial
19755
System (JASC)
5711 · Wing Spar
Part
Spar
Condition
Corrosion
Location
Ws 938.45-964.56
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 ON LEFT WING FRONT SPAR BETWEEN WS 938.45 AND 964.56 BESIDE VERTICAL STIFFENER. BLENDED CORROSION FOUND WITHIN LIMITS PER BOEING SRM 57-10-01 FIG. 1.