SDR FY4Y20121116197

Service difficulty report · Skin · Boeing 727200

Difficulty date: November 13, 2012
Submitted: November 16, 2012
Operation: General aviation
Aircraft: N705AA
Make and model: Boeing 727200
Aircraft serial: 22462
Aircraft time: 65,509 hours, 30,805 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Corroded
Location: Zone 100
Part time: 65,509 hours, 30,805 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

DURING PERFORMED 7C CHECK, CORROSION WAS FOUND ON FUSELAGE LOWER LOBE SKIN PANEL AT STATION BS 1010, WL 148 BETWEEN S-28R AND S-29R. (DIMENSIONS OF CORROSION AREA:5 3/8" × 2"). AFTER BLEND OUT CORROSION, THE PENETRATION DEPTH (0.019") WAS OVER LIMIT IAW SRM 53-30-1, PAGE 2C.

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