Service difficulty report · Skin · Boeing 727225

Difficulty date
November 25, 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
Skin
Condition
Corroded
Location
Bs 710
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

BS 710 RIGHT AND LEFT FAIRINGS HAS CORROSION ON NUT PLATES (AC BAY AREA). CUT OUT DAMAGED AREA AT LOWER FUSELAGE BS 710 APPROXIMATE DIMENSION 1.25" BY .75" IAW B-727 SRM 53-30-3 FIGURE 1. REMOVED DAMAGED SHEAR TIE CLIP ON AFT SIDE OF FRAME BS 710 IAW B-727 SRM 51-30-2. FABRICATED SKIN REPAIR DOUBLER FROM 2024-T3 0.071" PO NR 9005922 APPROXIMATE DIMENSION 8.825" BY 7.75". FABRICATED REPAIR FILLER FROM 2024-T3 0.063" PO NR 9006027 APPROXIMATE DIMENSION 1.25" BY .75" IAW B-727 SRM 53-30-3 FIGURE 1 AND SRM 53-30-3 FIGURE 2. FABRICATED NEW SHEAR TIE CLIP FROM 7075-T6 0.040 PO NR 9005892 APPROXIMATE DIMENSION 2" BY 6.75" IAW B-727 SRM 51-10-3 FIGURE 1 AND SRM 51-20-1 FIGURE 7 AND SRM 53-10-2 FIGURE 5. TREATED AND PRIMED REPAIR PARTS AND AREA IAW B-727 SRM 51-20-2. INSTALLED SKIN DOUBLER AND SHEAR TIE CLIP IAW B-727 SRM 53-30-3 FIGURE 1 AND SRM 51-30-2.