SDR DALA2017041102933

Service difficulty report · Structure · Boeing 7572Q8

Difficulty date: May 13, 2015
Submitted: April 11, 2017
Operation: Air carrier
Aircraft: N710TW
Make and model: Boeing 7572Q8
Aircraft serial: 28169
Aircraft time: 72,440 hours, 20,136 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Structure
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

CORROSION ON UPPER SURFACE OF CENTER WING SKIN, APPROX 2" X 2", DEPTH UNK AT THIS TIME, FWD SIDE "AREA OF ATTACH" TO BULKHEAD FRAME STA 1040, LBL 64. REMOVED CORROSION FROM UPPER SURFACE CENTER WING SKIN, FOUND TO BE OUT OF LIMITS. AREA TREATED, PRIMED & RESTORED FUEL VAPOR BARRIER IAW ERA 532891-14 REV O.

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