Service difficulty report · Floorbeam · Boeing 747123

Difficulty date
January 30, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N671UP
Make and model
Boeing 747123
Aircraft serial
20323
Part
Floorbeam
Condition
Corrosion
Location
Bs 2060
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. FLOOR BEAM UPPER CHORD BS.2060 IS CORRODED BEYOND LIMITS AT LBL 51. CORROSION AT BS 2060 LBL 151. REMOVED ACC TO SRM 51-10-01, FOUND TO BE BEYOND LIMITS OF SRM 53-10-01, REPLACED UPPER CHORD ACC. SRM 53-10-0 7 FIG. 12.