SDR DALA14028805641

Service difficulty report · Skin · Boeing 757251

Difficulty date: April 27, 2014
Submitted: May 9, 2014
Operation: Air carrier
Aircraft: N541US
Make and model: Boeing 757251
Aircraft serial: 26488
Aircraft time: 54,338 hours, 21,753 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Condition: Corroded
Location: Lt Wing
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

LEFT WING UPPER INBD SURFACE, IN THE WING WALK AREA NUMEROUS AREAS OF CORROSION. WS 70.5-W.S 150 FROM SKIN SPLICE TO REAR SPAR. REMOVED CORROSION, PERFORMED DVI HFEC OF REWORKED AREA & FASTENERS HOLES, PENETRANT INSP. NO DEFECTS NOTED. FLAP, TOP COATED WORKED AREA IAW ERA 523967-14, REV O, INSTALLED REPAIR DEVAL IAW PS 900-5-1, NR 04.