Service difficulty report · Stringer · Boeing 747121

Difficulty date
September 26, 2004
Submitted
October 6, 2004
Operation
Air carrier
Aircraft
N681UP
Make and model
Boeing 747121
Aircraft serial
19661
Aircraft time
104,265 hours, 26,546 cycles
Engine
Pwa JT9D7A
Part
Stringer
Condition
Corroded
Location
Fwd Cargo
Stage of operation
IN
How discovered
9
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 FWD CARGO STA 860-880 S47L STRINGER CORROSION FOUND. FWD CARGO BS 860-880 STR 47L STRINGER REPAIRED IAW SRM 53-10-03 FIG 1 DUE TO BLEND OUT DEPTH 0.040 INCH , WIDTH 1 INCH AND LENGTH 2 INCHES OUT OF SRM 53-10-01 FIG LIMITATION.