SDR FY4Y197M20110315A

Service difficulty report · Spar · Boeing 727200

Difficulty date: March 11, 2011
Submitted: March 15, 2011
Operation: General aviation
Filed by: FY4Y197M
Air Asia Co. Ltd.
Aircraft: N705AA
Make and model: Boeing 727200
Aircraft serial: 22464
Aircraft time: 63,036 hours, 30,069 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Spar
Part number: 65217912
Condition: Corroded
Location: Rt Wing
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 REAR SPAR LOWER CHORD AT WBL142, ORIGINAL THICKNESS 0.121". AFTER CORROSION REMOVED, THE REMAINED THICKNESS WAS 0.051", AREA WAS 3" X 1". IT'S BEYOND LIMITED IAW SRM 57-50-1, PAGE 8. REPAIR METHOD REF SRM 57-50-2, PAGE 9 AND 51-40-4 FIG 1. THE CORROSION LEVEL WAS LEVEL 2.

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