Service difficulty report · Stringer · Boeing 747122

Difficulty date
July 31, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N4717U
Make and model
Boeing 747122
Aircraft serial
19878
Engine
Pwa JT9D7A
Part
Stringer
Part number
65B00142
Condition
Corroded
Location
Bs 760-780
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

FOUND ONE POPPED AND SEVERAL DISHED RIVETS ON BELLY SKIN FROM STATION 760 TO 780. INTERNAL INSPECTION FOUND CORRODED STRINGERS 47L AND 47R, STATION 760 TO 780. REMOVED STRINGERS 47L AND 47R FROM STATION 740 TO 780. REMOVED LIGHT SURFACE CORROSION ON SKIN, ALODINE, PRIME, SPLICED IN NEW STRINGERS PER SRM 53-10-03 PAGE 1.