Service difficulty report · Rib · Boeing 747238B

Difficulty date
October 28, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N17025
Make and model
Boeing 747238B
Aircraft serial
20535
Part
Rib
Condition
Cracked
Location
Ws 670
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 FOUND A 1 INCH CRACK IN FORWARD SHEAR TIE AT LT WING NR 2 MAIN TANK WS 670, UPPER STRINGER 27 AND A .5 INCH CRACK WAS FOUND AT SHEAR TIE OF RIB CHORD, LOWER STRINGER 19. THE RIB CHORD AT UPPER STRINGER 27 WAS REPAIRED IAW SB 57-2273. THE RIB CHORD AT LOWER STRINGER 19 WAS REPLACED IAW SRM 51-10-01.