SDR FY4Y197M20110315

Service difficulty report · Skin · Boeing 727200

Difficulty date: March 11, 2011
Submitted: March 15, 2011
Operation: General aviation
Aircraft: N705AA
Make and model: Boeing 727200
Aircraft serial: 22464
Aircraft time: 63,036 hours, 30,069 cycles
System (JASC): 5753 · Trailing Edge Flaps
Part: Skin
Part number: 65246868
Condition: Corroded
Location: Rt Wing Te Flap
Part time: 63,036 hours, 30,069 cycles
Stage of operation: IN
How discovered: O
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

HEAVY CORROSION ON RT WING INBD MIDFLAP UPPER EXTERNAL SURFACE, AT WBL128, FWD OF FLAP T/E ABOUT 22.5". ORIGINAL THICKNESS IS 0.054" AFTER CORROSION REMOVE, REMAIN THICKNESS IS 0" IAW SRM 57-50-1, PAGE 8, AREA ABOUT 1" X 1.3750". REPAIR METHOD SRM 57-50-4, FIG-8. CORROSION LEVEL WAS LEVEL 2.

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