Service difficulty report · Skin · Boeing 7272B7

Difficulty date
September 26, 2006
Submitted
October 25, 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
Skin
Part number
7075T6
Condition
Dented
Location
Bs 1263 S26r
Part time
65,520 hours, 38,347 cycles
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

AFT AIRSTAIRS SKIN , BS 1263, STR 26R, DENT CLUSTER. EVALUATED DENTS, RATIOS ARE A: .30 AND Y: .008 A/Y: 37.5, A: .50, Y: .016, A/Y: 31.3, DENTS ARE WITHIN ALLOWABLE LIMITS IAW SRM 52-00-2 AND 53-10-1 FIG 1. ONE DENT FOUND OUT OF LIMITS, DIM., A: .70 , Y: .028 A/Y: 25 IAW SRM 52-00-2 AND 53-10-1 FIG 1. FAB REPAIR DOUBLER FROM P/N 7075-T6, PO NR 9003817, APPROX DIM 4 INCH BY 4.125 INCH IAW SRM 51-40-2 FIG 1 AND 52-10-1 FIG 3. CUT OUT DAMAGED AREA APPROX DIM 1 INCH BY 1 INCH IAW SRM 51-40-2 FIG 1. TREATED AND PRIMED REPAIR PARTS IAW SRM 51-10-2. INSTALLED REPAIR DOUBLER IAW SRM 51-40-2 FIG 1 AND 51-30-2.

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