Service difficulty report · Upper Chord · Boeing 747123

Difficulty date
August 5, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N673UP
Make and model
Boeing 747123
Aircraft serial
20325
Part
Upper Chord
Condition
Corroded
Location
Bs 2360
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, MAIN DECK FLOOR STRUCTURE, UPPER CHORD CORRODED AT BS 2360 RBL 17. REPAIRED UPPER CHORD FROM LBL 9 TO RBL 55 ACC SRM 53-10-07.