SDR DALA2015082505226

Service difficulty report · Panel · Boeing 757251

Difficulty date: August 23, 2015
Submitted: August 26, 2015
Operation: Air carrier
Aircraft: N557NW
Make and model: Boeing 757251
Aircraft serial: 33393
Aircraft time: 37,475 hours, 16,867 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Panel
Condition: Cracked
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 FIXED L/E BETWEEN NR 3 & NR 4 SLATS, COMPOSITE PANEL HAS A APPROXIMATELY EIGHT INCH CRACK. REMOVED DAMAGE, BONDED REPAIR PLIES, TAP TEST GOOD, APPLIED CONDUCTIVE COATING, PRIME & PAINT, INSTALLED TWO LOCK FASTENERS IN STIFFENER BETWEEN SLAT NR 3 & NR 4. CONDUCTIVE TEST CHECK GOOD.