Service difficulty report · Stringer · Boeing 7272B7

Difficulty date
September 30, 2006
Submitted
October 17, 2006
Operation
Air carrier
Aircraft
N770AT
Make and model
Boeing 7272B7
Aircraft serial
21953
Aircraft time
65,520 hours, 38,347 cycles
Engine
Pwa JT8D17A
Part
Stringer
Condition
Corroded
Location
Fuselage
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, BS 660, STR 28L, CORROSION ON STR 28L. REMOVED CORROSION AT STR, MATERIAL LOSS IS .022, ORIGINAL MATERIAL THICKNESS .063 AND MATERIAL REMAINING .041. FOUND TO BE OUT OF LIMITS IAW SRM 53-10-1 FIG.1. CUT OUT DAMAGED APPOX 16 INCHES. FAB FILLER REPAIR WITH BAC 1498-144, 7075-T6, PO NR 623185 AND 2 SPLICES WITH BAC 1498-131-7075-T6 SIZE 10.375 INCHES, PO NR 9003866 IAW SRM 53-10-2 FIG 9 AND 53-10-3 FIG.1. TREATED AND PRIMED PARTS IAW SRM 51-10-2. INSTALLED PARTS AND REPAIR IAW SRM 53-10-3 FIG.1.

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