Service difficulty report · Stringer · Boeing 727225

Difficulty date
November 26, 2007
Submitted
February 17, 2008
Operation
Air carrier
Aircraft
N742DH
Make and model
Boeing 727225
Aircraft serial
21290
Aircraft time
60,719 hours, 38,406 cycles
Part
Stringer
Condition
Corroded
Location
Bs 720f-740 S26r
Stage of operation
IN
How discovered
V
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

FORWARD CARGO COMPARTMENT STRINGER 26R IS HEAVILY CORRODED BETWEEN STATION 720F TO 740. CUT OUT DAMAGE AREA 9.5" AT STRINGER 26R BETWEEN STATION 720F - 740 IAW B-727 SRM 53-10-3 FIGURE 1. FABRICATED NEW SECTION, MATERIAL USED BAC 1498-147 0.090" 7075-T6 PO NR 7332258 DIMENSION 9.25" AND SPLICED MATERIAL USED BAC 1498-13107075-T6 PO NR 7332231 DIMENSION 11.25" IAW B-727 SRM 53-10-3 FIGURE 1 AND 53-10-2 FIGURE 5. TREATED AND PRIMED IAW B-727 SRM 51-10-2. INSTALLED REPAIR PARTS IAW B-727 SRM 53-10-3 FIGURE 1 AND 51-30-2.