SDR DHL2007742044

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
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Condition: Corroded
Location: Bs 720f-740
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 27R IS HEAVILY CORRODED BETWEEN STATION 720F AND 740. CUT OUT DAMAGED AREA 10.5" STRINGER 27R 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 DIMENSION 10.5" AND SPLICED BAC1498-131 7075-T6 PO NR 733223, DIMENSION 11" IAW B-727 SRM 53-10-3 FIGURE 1. TREATED AND PRIMED IAW B-727 SRM 51-10-2 AND INSTALLED REPAIR PARTS IAW B-727 SRM 53-10-3 FIGURE 1 AND 51-30-2.