Service difficulty report · Upperchord · Boeing 747121

Difficulty date
September 3, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N683UP
Make and model
Boeing 747121
Aircraft serial
20353
Part
Upperchord
Condition
Corroded
Location
Bs 2140
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

INSPECTION TYPE: C. UPPER CHORD CORRODED AT BS 2140 BETWEEN LBL 57 TO LBL 100. REMOVED CORROSION AT UPPER CHORD AT BS 2140 BETWEEN LBL 57 TO LBL 10 0 ACC SRM 51-10-01. CORROSION NOT IN LIMITS ACC SRM 53-10-01, REPLACED UPPER CHORD FROM LBL 48 TO LBL 108 ACC SRM 53-10-07 FIG 12.